CA2303547C - Intervertebral body fusion device - Google Patents
Intervertebral body fusion device Download PDFInfo
- Publication number
- CA2303547C CA2303547C CA002303547A CA2303547A CA2303547C CA 2303547 C CA2303547 C CA 2303547C CA 002303547 A CA002303547 A CA 002303547A CA 2303547 A CA2303547 A CA 2303547A CA 2303547 C CA2303547 C CA 2303547C
- Authority
- CA
- Canada
- Prior art keywords
- spine
- wedge body
- gap
- tooth
- fusion device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
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- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
- A61F2/447—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
- A61F2250/0063—Nested prosthetic parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00017—Iron- or Fe-based alloys, e.g. stainless steel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S606/00—Surgery
- Y10S606/90—Lumbar stabilizer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S606/00—Surgery
- Y10S606/907—Composed of particular material or coated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S606/00—Surgery
- Y10S606/907—Composed of particular material or coated
- Y10S606/911—Memory material
Abstract
An intervertebral body fusion device has a wedge body, a cage component with a plurality of deployable spines having end plate penetrating teeth, and a contraction mechanism for drawing the wedge body into the cage component. The device is surgically placed intervertebrally into the spine from an anterior surgical approach. In its final surgically-implanted position, the wedge body is substantially fully drawn within the cage component, resulting in a full deployment of teeth and associated spines into the adjacent end plates of the vertebral bodies, while simultaneously restoring the angle of lordosis to the spine.
Description
INTERVERTEBRAL BODY FUSION DEVICE
BACKGROUND OF THE INVENTION
1. FIELD OF THE INVENTION
The present invention relates to an intervertebral body device for restoring a proper angle of lordosis to the spine, and, adapted to be inserted from an anterior approach between the vertebral bodies of two vertebrae, particularly during lumbar fusion surgery.
BACKGROUND OF THE INVENTION
1. FIELD OF THE INVENTION
The present invention relates to an intervertebral body device for restoring a proper angle of lordosis to the spine, and, adapted to be inserted from an anterior approach between the vertebral bodies of two vertebrae, particularly during lumbar fusion surgery.
2. DESCRIPTION OF THE RELATED ART
A plethora of endoprostheses exist for replacing intervertebral disks after diskectomy or to implement surgical fusion of vertebral bodies. Each such endoprosthesis attempts to restore one or more qualities inherent to the disk or spine by simulating the natural properties of the disk, often by simulating its anatomical structure. Thus, attempts by a single device to restore a plurality of spinal qualities (such as rotation, cushioning, and lordosis) often results in compromise among the several structural features of such device.
However, the critical function of such endoprosthesis is to restore the lordosis angle between corresponding vertebrae, particularly for the purpose of vertebral fusion surgery wherein the device preserves lordosis while a bone graft fuses adjacent vertebrae. The greatest angles of lordosis are typically associated with the lumbar spine, where vertebral bodies have broad, thick, and relatively flat end plates. However, unfortunately, the typical related-art endoprosthesis (often referred to as a cage) must be provided in a range of dimensional sizes to suit the anatomy of a patient, which cage then has a fixed dimension. Hence, a practical and simple endoprosthesis is desired which, first, restores lordosis, next, takes particular advantage of the inherent structural integrity and support area of the lumbar vertebral body end plates by providing a broad bearing surface, and further, provides an adjustable angle to that bearing surface.
Such device is particularly desirable where lumbo-sacral fusion is indicated, wherein consequent spinal rotation loss results in a relatively lesser post-surgical inconvenience for the patient than that consequent to fusion of other vertebral bodies.
Another consideration of the fusion surgical technique is the amount of distraction necessary to insert and secure any given endoprosthetic device within the intervertebral space. As a general rule, insertion of an endoprosthesis eliminating distraction unnecessary to the restoration of the proper angle of lordosis is beneficial to the healing process. However, to insert, position and secure most of the related-art endoprostheses, unnecessary distraction is required which, at a minimum, causes displacement of surrounding healthy tissues, often with associated tearing, stretching or other damaging consequences. In the extreme, insertion of such devices requires actual destruction of the surrounding healthy soft and bony tissue. For example, an endoprosthesis having spikes which in order to be properly secured to the vertebral body end plates requires distraction beyond the proper angle of lordosis would unnecessarily affect the surrounding tissues. Thus, an endoprosthetic device is desired which after diskectomy may be inserted, positioned, and secured in the resulting intervertebral space, without unnecessary distraction of the vertebral bodies and surrounding tissues.
A related consideration is the surgical technique used to remove the endoprothesis after intervertebral fusion of the graft healing process is substantially completed. Simply stated, removal of the endoprothesis should be as simple as it is to put in.
Moreover, when considering the choices of surgical approaches towards the spine in order to insert of the endoprosthesis (e. g.
anterior, lateral or posterior approaches), the logical approach to the intervertebral gap correlates with an anterior approach. When the lumbar spine is viewed, the gap between vertebral bodies is widest anteriorly, and decreases posteriorly, thus defining the lordosis angle. To best take advantage of both the structural integrity of the vertebral end plates and eliminate unnecessary distraction, the anterior approach is preferred. Thus, an endoprosthesis suitable for use in an anterior approach is desired.
In light of the above considerations, the related art devices fail to teach structures consistent with the functions and purposes of the present invention.
A plethora of endoprostheses exist for replacing intervertebral disks after diskectomy or to implement surgical fusion of vertebral bodies. Each such endoprosthesis attempts to restore one or more qualities inherent to the disk or spine by simulating the natural properties of the disk, often by simulating its anatomical structure. Thus, attempts by a single device to restore a plurality of spinal qualities (such as rotation, cushioning, and lordosis) often results in compromise among the several structural features of such device.
However, the critical function of such endoprosthesis is to restore the lordosis angle between corresponding vertebrae, particularly for the purpose of vertebral fusion surgery wherein the device preserves lordosis while a bone graft fuses adjacent vertebrae. The greatest angles of lordosis are typically associated with the lumbar spine, where vertebral bodies have broad, thick, and relatively flat end plates. However, unfortunately, the typical related-art endoprosthesis (often referred to as a cage) must be provided in a range of dimensional sizes to suit the anatomy of a patient, which cage then has a fixed dimension. Hence, a practical and simple endoprosthesis is desired which, first, restores lordosis, next, takes particular advantage of the inherent structural integrity and support area of the lumbar vertebral body end plates by providing a broad bearing surface, and further, provides an adjustable angle to that bearing surface.
Such device is particularly desirable where lumbo-sacral fusion is indicated, wherein consequent spinal rotation loss results in a relatively lesser post-surgical inconvenience for the patient than that consequent to fusion of other vertebral bodies.
Another consideration of the fusion surgical technique is the amount of distraction necessary to insert and secure any given endoprosthetic device within the intervertebral space. As a general rule, insertion of an endoprosthesis eliminating distraction unnecessary to the restoration of the proper angle of lordosis is beneficial to the healing process. However, to insert, position and secure most of the related-art endoprostheses, unnecessary distraction is required which, at a minimum, causes displacement of surrounding healthy tissues, often with associated tearing, stretching or other damaging consequences. In the extreme, insertion of such devices requires actual destruction of the surrounding healthy soft and bony tissue. For example, an endoprosthesis having spikes which in order to be properly secured to the vertebral body end plates requires distraction beyond the proper angle of lordosis would unnecessarily affect the surrounding tissues. Thus, an endoprosthetic device is desired which after diskectomy may be inserted, positioned, and secured in the resulting intervertebral space, without unnecessary distraction of the vertebral bodies and surrounding tissues.
A related consideration is the surgical technique used to remove the endoprothesis after intervertebral fusion of the graft healing process is substantially completed. Simply stated, removal of the endoprothesis should be as simple as it is to put in.
Moreover, when considering the choices of surgical approaches towards the spine in order to insert of the endoprosthesis (e. g.
anterior, lateral or posterior approaches), the logical approach to the intervertebral gap correlates with an anterior approach. When the lumbar spine is viewed, the gap between vertebral bodies is widest anteriorly, and decreases posteriorly, thus defining the lordosis angle. To best take advantage of both the structural integrity of the vertebral end plates and eliminate unnecessary distraction, the anterior approach is preferred. Thus, an endoprosthesis suitable for use in an anterior approach is desired.
In light of the above considerations, the related art devices fail to teach structures consistent with the functions and purposes of the present invention.
r, A first group of devices include plates having fixed spikes used to penetrate the vertebral body end plates and secure the device after positioning, but which, due to the fixed relationships of the spikes and plates, require unnecessary distraction to properly engage the spikes. World Organization publication No.
95/00082 published January 5, 1995 describes disk-simulative device having two plates, including fixed spikes, sandwiching a resilient pad which extends across the most of the area between both plates.
U.S. Pat. No. 5,571,190 issued November 5, 1996 to Ulrich et al.
describes a plurality of cylindrical body segments used in conjunction with a supporting pin of dedicated length passing through a supporting groove for the entire length of the body segments. Each body segment has a toothed crown, which when engaging each other prevents rotation of body segments relative to one another. In order to insert the pin, the vertebrae must be distracted.
A subgroup of such devices are compromised by virtue of additional structures which permit angular motion about a bearing surface. Derwent abstract of European Patent No. 560141-A1 published September 15, 1993 describes a pair of plates having fixed spikes sandwiching a convexly shaped core coacting with the plates to permit rotary motion about a vertical axis, generally collinear with rotation of the spine. WIPO Patent No. 94/04100 published March 3, 1994 describes two plates having fixed spikes, each plate positioned on a centrally positioned ball joint, the joint surrounded by an elastic ring which matches the prosthesis to the physiological lordosis of the vertebral column.
In contrast, European Patent No. 566 810 Al published October 27, 1992 describes a pair of plates, without vertebral body engaging spikes, sandwiching a resilient pillar of the proper lordotic angle, which is insertable from one end of the plates along a track formed by a pair of channels and fixed in place by a snap closure. Although this configuration permits lateral insertion of the pillar of a dedicated height and angle to restore lordosis, the spikes are sacrificed unless otherwise committing to unnecessary distraction of the vertebrae.
Other devices form a pier between vertebral bodies and telescopingly engage the vertebral body end plates, thus utilizing different operational and structural principals than those employed by the present invention to engage the vertebral end plates. For example, Derwent abstract of French publication No. 2636-227A
published March 3, 1990 describes two, spiked-end cylinders connected by a rod passing through a bushing cylinder. Derwent abstract of Soviet publication No. 1560-184A published April 30, 1990 describes a shafted head and a receiving cup for receiving the shaft, the cup and head each having fixed spikes, between which a resilient annular cushion forms a shock absorber. U.S. Pat. No.
95/00082 published January 5, 1995 describes disk-simulative device having two plates, including fixed spikes, sandwiching a resilient pad which extends across the most of the area between both plates.
U.S. Pat. No. 5,571,190 issued November 5, 1996 to Ulrich et al.
describes a plurality of cylindrical body segments used in conjunction with a supporting pin of dedicated length passing through a supporting groove for the entire length of the body segments. Each body segment has a toothed crown, which when engaging each other prevents rotation of body segments relative to one another. In order to insert the pin, the vertebrae must be distracted.
A subgroup of such devices are compromised by virtue of additional structures which permit angular motion about a bearing surface. Derwent abstract of European Patent No. 560141-A1 published September 15, 1993 describes a pair of plates having fixed spikes sandwiching a convexly shaped core coacting with the plates to permit rotary motion about a vertical axis, generally collinear with rotation of the spine. WIPO Patent No. 94/04100 published March 3, 1994 describes two plates having fixed spikes, each plate positioned on a centrally positioned ball joint, the joint surrounded by an elastic ring which matches the prosthesis to the physiological lordosis of the vertebral column.
In contrast, European Patent No. 566 810 Al published October 27, 1992 describes a pair of plates, without vertebral body engaging spikes, sandwiching a resilient pillar of the proper lordotic angle, which is insertable from one end of the plates along a track formed by a pair of channels and fixed in place by a snap closure. Although this configuration permits lateral insertion of the pillar of a dedicated height and angle to restore lordosis, the spikes are sacrificed unless otherwise committing to unnecessary distraction of the vertebrae.
Other devices form a pier between vertebral bodies and telescopingly engage the vertebral body end plates, thus utilizing different operational and structural principals than those employed by the present invention to engage the vertebral end plates. For example, Derwent abstract of French publication No. 2636-227A
published March 3, 1990 describes two, spiked-end cylinders connected by a rod passing through a bushing cylinder. Derwent abstract of Soviet publication No. 1560-184A published April 30, 1990 describes a shafted head and a receiving cup for receiving the shaft, the cup and head each having fixed spikes, between which a resilient annular cushion forms a shock absorber. U.S. Pat. No.
5,236,460 issued August 17, 1993 to Barber describes tubular inner and outer bodies which bear platforms having fixed pins, the tubular bodies telescoping relative to one another and having a port for receiving a fluid resin. The injected resin hydraulically forces the telescoping action, and subsequently hardens to set the relative positions of the bodies. U.S. Pat. No. 4,401,112 issued August 30, 1983 to Rezaian essentially describes a screw jack-post positioned between the vertebral body end plates, with an anterior flanking plate for securing the device to the vertebral bodies.
Other various methods and devices have been proposed which attempt to cause expansion within the intervertebral space after diskectomy, each substantially unlike the present invention. U.S:
Pat. No. 5,171,278 issued December 15, 1992 to Pisharodi describes a method in which an apparatus uncoils sheets encapsulating a screw which increases only the center diameter of the apparatus as the screw is turned. Inadequate structure is presented to appreciate enablement of the mechanics of such a device. A second embodiment has two opposing ends which, when drawn together by a screw, causes a foldable shell to uplift from the center and incline to each end.
U.S. Pat. No. 5,123,926, also to Pisharodi, describes a silastic sheath in which a plurality of multisized springs are contained, each terminating with a spike. After implantation, the sheath is filled with a volume of fluid to create resiliency.
Other more destructive artificial fusion implants include those which require partial removal of bone tissue from proximate vertebral bodies. U.S. Pat. No. 5,015,247 issued May 14, 1991 to Michelson describes a coring device and threaded cylindrical implant which is inserted into a well drilled into the intervertebral disc and vertebral end plates. Similarly, U.S. Pat.
Other various methods and devices have been proposed which attempt to cause expansion within the intervertebral space after diskectomy, each substantially unlike the present invention. U.S:
Pat. No. 5,171,278 issued December 15, 1992 to Pisharodi describes a method in which an apparatus uncoils sheets encapsulating a screw which increases only the center diameter of the apparatus as the screw is turned. Inadequate structure is presented to appreciate enablement of the mechanics of such a device. A second embodiment has two opposing ends which, when drawn together by a screw, causes a foldable shell to uplift from the center and incline to each end.
U.S. Pat. No. 5,123,926, also to Pisharodi, describes a silastic sheath in which a plurality of multisized springs are contained, each terminating with a spike. After implantation, the sheath is filled with a volume of fluid to create resiliency.
Other more destructive artificial fusion implants include those which require partial removal of bone tissue from proximate vertebral bodies. U.S. Pat. No. 5,015,247 issued May 14, 1991 to Michelson describes a coring device and threaded cylindrical implant which is inserted into a well drilled into the intervertebral disc and vertebral end plates. Similarly, U.S. Pat.
No. 4, 834, 757 issued May 30, 1989 to Brantigan provides a gauge block seated in a square channel formed in the vertebral bodies.
Notably, consideration is given in U.S. Pat. No. 4,863,476 issued September 5, 1989 to Shepperd to the advantages of minimizing incisions in skin and cartilage tissues during implantation of a spinal implant device. The device employs a ramming means internally disposed to a pair of elongated body members, preferably a split cylinder having an internal channel and enlarged chamber, which body members at rest abut one another and, in vivo, are expanded diametrically to engage the vertebral bodies .
The ramming means is preferably a threaded rod with a cam sleeve which, when the rod is turned, is advanced from the chamber between the body halves, thus expanding the split cylinder. At column 7, lines 15-18, the concept of extending a spike by means of a cam device located on the screw-threaded rod is noted. The Shepperd device is clearly intended as a permanent implant to engage opposing vertebral bodies and permit rocking about the cylindrical, axis, but fails to teach how diametric expansion of equal amounts along the length of the cylinder restores the proper angle of lordosis, and at best suggests the generic concept of a deployable spike structure inconsistent with that of the present invention.
Finally, and most notably, the principal of using a posterior approach to position expandable pairs of branches of an intersomatic cage to restore lordosis is noted in U.S. Pat. No.
5,554,191 issued to Lahille et al. Each branch is provided with a toothed surface for engaging the vertebral bodies and an opposing inclined surface, the branches driven apart by retracting a cylindrical spreader between the inclined surfaces. The cylinder advances along a threaded shank which is rotatably fixed in the body and adapted to be turned by an appropriate screwdriver.
However, first, it is noted that the teeth are fixed relative to the branches, and thus deploy simultaneously with the branches.
Moreover, the major disadvantage to using the branched body as taught in Lahille is that the spreader must be advanced towards the branched body by manipulating the threaded shank from a posterior approach, effectively requiring the surgeon to operate the device through the decreased-size opening of the intervertebral gap, as opposed to an anterior approach which does not restrict maximization of the bearing surface of the device.
Therefore, none of the above inventions and patents, taken either singularly or in combination, is seen to describe the instant invention as claimed. Thus a intervertebral body fusion device solving the aforementioned problems is desired.
SUMMARY OF THE INVENTION
An intervertebral body fusion device is provided which has a wedge body, a cage component with a plurality of deployable spines having end plate penetrating teeth, and a contraction mechanism for drawing the wedge body into the cage component. The device is surgically placed intervertebrally into the spine from an anterior surgical approach. In its final surgically-implanted position, the wedge body is substantially fully drawn within the cage component, resulting in a full deployment of teeth and associated spines into the adjacent end plates of the vertebral bodies, while simultaneously restoring the angle of lordosis to the spine.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is an environmental, side view of an intervertebral body fusion device according to the present invention.
Fig. 2 is an exploded, perspective anterior view of the intervertebral body fusion device according to the present invention.
Fig. 3 is a perspective posterior view of a wedge body of the intervertebral body fusion device according to the present invention.
Fig. 4 is an elevational anterior view of the cage component of the intervertebral body fusion device according to the present invention in a resting, pre-insertion state.
Fig. 5 is a cross sectional view of the cage component of the intervertebral body fusion device as shown along line 5-5 of Fig.
4.
Fig. 6 is a cross sectional view of the cage component of the intervertebral body fusion device as shown along line 6-6 of Fig.
4.
Fig. 7 is a elevational lateral view of the cage and wedge components in coacting positions, representing a pre-insertion r CA 02303547 2000-03-30 , state in solid lines wherein the wedge component is substantially external to the cage component, and, a post-insertion state shown in phantom lines wherein the wedge component is substantially fully housed within the cage component.
Fig. 8 is a second embodiment of the cage component of the intervertebral body fusion device.
Fig. 9 is a third embodiment of the cage component of the intervertebral body fusion device.
Similar reference characters denote corresponding features consistently throughout the attached drawings.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
As suggested in Fig. 1, the present invention is an intervertebral body fusion device 10 for restoring a proper angle of lordosis to the lumbar spine L, and, adapted to be inserted from an anterior approach A between the vertebral bodies B of two vertebrae V, particularly during lumbar vertebral body fusion surgery. As is more readily observable in Fig. 2, the preferred embodiment 10 of the invention comprises three main structural components, namely, a cage component 20, a wedge body 40, and a contraction mechanism 30 for drawing the wedge body 40 into a nesting relationship within the cage component 20.
The cage component 20 includes a rigid upper member 22 defining a bearing surface 22a and an opposing interior surface 22b, and, a rigid lower member 24 also defining both a bearing surface 24a and an opposing interior surface 24b. Each member 22, 24 is preferably a plate, thereby defining each surface as a substantially planar surface. Such a plate is both preferable and suitable for convenient machining of the features of the cage component 20 (as will be further described, namely spines 50 and flexible web 60), as well as, for the advantageous utilization of the large opposing bearing surfaces of the end plates P of adjacent vertebral bodies B during the restoration of lordosis. Such surfaces are particularly prevalent in the lumbar spine L, most particularly between L5 and the os sacrum S.
The lower member 24 is attached to the upper member 22 by a resilient web 60, bridging the upper and lower members 22, 24 to define a living hinge. The cage component 20 may be manufactured from a surgical grade material, such as titanium or stainless steel., which provides appropriate material properties to allow tempering to create resilience in the web 60, effectively forming a spring hinging the upper and lower members 22,24 together. As noted, the use of metal plate permits the cage component 10 to be integrally formed to include the web 60 and upper and lower members 22,24. The web 60 also spaces the members 22,24 from one another thereby defining a gap 70 of a predetermined distance for receiving the wedge body 40.
As seen in Fig. 2, the material properties of the plates of upper and lower members 22,24 and web 60 permit a configuration at rest wherein the upper and lower members 22,24 are positioned in a nearly parallel planar relationship to one another. However, as can be appreciated through comparison with Figs. 1 and 7, when any opposing and outward biasing forces act simultaneously upon the interior surfaces 22b,24b of each of the upper and lower members 22,24 (namely pressure from wedge body 40), the forces are transmitted through the web 60 to change the angle between the upper and lower members 22,24, the angle generally conforming to the predetermined angle of the wedge body 40. If the proper wedge body 40 is chosen, the primary purpose, to provide the spine L with the proper angle of lordosis, may be achieved.
In order to achieve the proper angle, a predetermined range of sizes and wedge angles for each wedge body 50 is provided. As seen in both Figures 2 and 3, each wedge body 50 defines a first inclined surface 42a and an opposing second inclined surface 42b, defining a predetermined fixed angle relative to one other. The range of predetermined angles is determined by the range of proper angles of lordosis necessarily desired and found as a result of anatomical variation. Moreover, the wedge body 40 is dimensioned and configured to be received and substantially housed in gap 70.
The inclined surfaces 42a,42b meet at a forward face 44 which truncates the apex of the angle, and terminate at a rear face 48.
Thus, in the preferred embodiment where upper and lower members 22,24 lie in substantially parallel planes, the wedge body 40 at face 44 must have a diameter greater than that of the gap 70 such that the upper and lower members 22,24 become urged apart when the first and second inclined surfaces 42a,42b are wedged against respective interior surfaces 22b, 24b of the upper and lower members 22,24.
Concurrently with restoring the angle of lordosis, the wedge body 40 also deploys a plurality of spines 50, which serve to secure the cage component 20 to the vertebral body end plates P by means of an engaging tooth 52 which is adapted to penetrate the end plate P. Preferably each upper and lower member 22,24 defines a through passage 26 confined by the plate to carve out one or more spines 50. Thus, each spine 50 has a free end 54 and a depending end 56. Again, as previously noted, a plate lends itself to the creation of such plurality of spines 50 by simple machining techniques. Thus, each spine 50 is integrally formed to depend from either an upper member 22 or a lower member 24. Each spine 50 has at lease one tooth 52 facing outwardly at the free end 54, the tooth preferably forming a penetrating tip or spike.
Each spine 50 is further bent inward towards gap 70 to dispose the tip of tooth 52 below the plane of its respective bearing surface 22a, 24a. Necessarily then, the spine 50 on which the tooth 52 resides must depend into the gap 70, forming a desired protuberance which permits deployment of the spine 50 and associated tooth 52 by riding an inclined surface 42a,42b of wedge body 40 during its insertion. Obviously, the spine 50 and tooth 52 must be positioned such that each is in registry with its associated through passage 26 so that spine and tooth properly deploy without interference from an associated plate wall of the upper or lower member 22,24.
r~
In order that the device 10 be easily surgically removed by reversing the wedge insertion procedure, an essential property of each spine 50 is a resilient memory that permits return of the spine 50 back to it original resting state (i.e. bent into the gap 70) when the wedge body 40 is removed. Again, choice of materials may include titanium, stainless steel or other surgical grade material which provides the spine 50 with resilience as a material property. The chosen material preferably both permits bending of the spine 50 into the gap 70 and tempering to create resilience of the spine 50.
The preferred configuration of the spines 50 relative to one another is understood by viewing Fig. 2, Fig. 5 and Fig. 6 together. By forming a sinuate through passage 26, a repetitive pattern including a first spine 50a and a second spine 50b is defined. Obviously, the number of spines so formed is a matter of preference. Each spine 50 is substantially perpendicular to the resilient web 60, and, substantially parallel with one another.
Moreover, each depending end 54 of each of the spines 50a,50b is proximately opposed to each free end 54, thus defining an end-to end relationship.
Therefore, the wedge body 40 preferably defines a recessed ramp 46 in an associated inclined surface 42a, 42b. The ramp 46 receives the spine 50 which has its free end 54 farthest from web 60 and, hence, closest to the wedge body 40 when inserted from an anterior approach to the cage component 20.
For example, in the preferred embodiment as shown in Fig. 2, the ramp 46 aligns with the second spine 50b when the wedge body 40 is housed in the gap 70. Thus, as can be best understood and viewed in Fig. 7, when face 44 passes into gap 70, the first inclined surface 42a drives up first spine 50a at approximately the same rate as ramp 46 drives up second spine 50b. Therefore, when wedge body 40 is fully inserted and housed within gap 70, both the free end 54 of second spine 50b as well as the free end 54 of first spine 50a rests upon inclined surface 42a of wedge body 40, thus presenting a coplanar relationship. Because interior surfaces 22b,24b of upper and lower members 22,24 are nesting contiguously against inclined surfaces 42a,42b, respectively, each tooth 52 is fully deployed beyond an associated bearing surface 22a,24a.
Considering now the contraction mechanism 30 of the preferred embodiment, an assembly of coacting parts are shown for drawing the wedge body 40 into a nesting relationship within the cage component 20. Such assembly includes a lobe 32 depending from either one of the members 22,24, and chosen to be shown in Fig. 2 as depending from the interior surface 24b of lower member 24 into the gap 70.
The lobe 32 has a threaded aperture 34 defining threads 35, the lobe 32 serving as an anchor point against which a pulling force may act to draw the wedge body 40 toward the cage component 20.
To provide such a coacting force, a threaded shaft 80 passes through the wedge body 40 and the lobe 32, the shaft 80 both having a matingly threaded portion 82 received by the threaded aperture 34 of the lobe 32, and, a head portion 84 rotatably seated in the wedge body 40. The head portion 84 includes a socket 88 adapted to receive a conventional driver tool T (Fig. 1), for turning the shaft 80.
To accommodate the shaft 80, wedge body 40 defines a tunnel 36 (best seen in Fig. 4). However, the wedge body includes a threadless seat 38 for receiving the head portion 84. This seat 38 permits free rotation of the head portion 84 within the wedge body 40 and therefore permits the threaded portion 82 to advance the wedge body 40 towards the cage component 20 as the shaft 80 is turned while the threaded portion 82 is engaged to lobe 32. Thus, the threaded portion 82 must have a predetermined length sufficient to extend proximate the front face 44 of the wedge body 40 to coact with the lobe 32. A simpler wedge body 40 may be seen in Fig. 3, which omits the seat 38 and includes only a tunnel 36, thus permitting the head portion 84 to protrude from face 48, rather than being flush with face 48. Regardless of choice of embodiment of the wedge body, the principles of coactive operation of the wedge body 40, cage component 20 and contraction mechanism 30 are unaffected.
To allow the wedge body 42 to be fully housed in the gap 70, the front face 44 must not interfere with lobe 32. Therefore, a cavity 49 is defined by the wedge body 40 which receives the lobe 32. As can be appreciated from Fig. 7, the cavity 49 is approximately as deep as the length of the inclined surfaces 42a, 4:2b, leaving a septal portion 62 of wedge body 40 of sufficient thickness to permit the threadless seat 38 to be defined in rear face 48. Thus, when the head portion 84 of the shaft 80 is rotatably seated within the seat 38, the threaded portion 82 resides fully within cavity 49 and extends proximately toward face 44, having a predetermined length sufficient to engage the lobe 32.
However, since the wedge body 40 is sized and dimensioned to approximate the size and dimensions of the gap 70, the shaft 80 should not significantly extend beyond the front face 44 of the wedge body 40. Otherwise, by having an excessively long shaft 30, the terminal end of the threaded portion 82 would eventually abut against web 60, thereby hindering complete insertion of the wedge body 40 into gap 70. However, as may be adapted by one of ordinary skill in the art, the coacting contraction means 30 described above may be altered to accomplish the intended purposes described herein without deviating from the scope of the claimed invention and its described purposes, and, other adequate embodiments of the contraction means 30 are therefore anticipated by the exemplary version described.
Additional embodiments of the cage component 20 may be envisioned as well which operate upon the same principles and employ the same essential structural features described herein.
For example, Fig. 8 describes a cage component 220 identical in all respects to the embodiment of cage component 20, excepting an additional track 122 which is defined on the interior surfaces 222b,224b in upper and lower members 222,224, respectively.
Although not shown, a wedge body essentially identical to that of wedge body 40 has a mating groove for receiving the track 122. The -, groove and track arrangement may be helpful in guiding the wedge and cage components into proper nesting relationship.
Likewise, Fig. 9 represents yet another embodiment of the cage component, 320, wherein the spines 350 are also machined out of a plate of upper and lower members 322,324, however, into a configuration different from that of the preferred configuration.
Moreover, each spine 50 has a tooth 352 which is machined from the thickness, t, of the plate, although shown in exaggerated size for clarity of illustration. This allows the tooth 352 to be integrally formed from a plate comprising upper or lower member 322,324. A resulting shoulder 352 and bed 356 is thus formed, with each spine 350 being defined in the same plane as bed 356. Each spine 350 may be bent inward at rest, with a resulting outward bend after insertion of a wedge body. The wedge body must however be adapted with a knob (not shown) or ramp protruding outward from an inclined surface to drive the spines 350 outward.
Finally, referring back to Fig. 1, in its final surgically-implanted position, the wedge body 40 of the various embodiments can be understood to be substantially fully drawn within the cage component 20, resulting in a full deployment of teeth 52 and associated spines 50 into the adjacent end plates P of the vertebral bodies B, thereby simultaneously restoring the angle of lordosis to the spine L.
It is to be understood that the present invention is not limited to the embodiments described above, but encompasses any and all embodiments within the scope of the following claims.
Notably, consideration is given in U.S. Pat. No. 4,863,476 issued September 5, 1989 to Shepperd to the advantages of minimizing incisions in skin and cartilage tissues during implantation of a spinal implant device. The device employs a ramming means internally disposed to a pair of elongated body members, preferably a split cylinder having an internal channel and enlarged chamber, which body members at rest abut one another and, in vivo, are expanded diametrically to engage the vertebral bodies .
The ramming means is preferably a threaded rod with a cam sleeve which, when the rod is turned, is advanced from the chamber between the body halves, thus expanding the split cylinder. At column 7, lines 15-18, the concept of extending a spike by means of a cam device located on the screw-threaded rod is noted. The Shepperd device is clearly intended as a permanent implant to engage opposing vertebral bodies and permit rocking about the cylindrical, axis, but fails to teach how diametric expansion of equal amounts along the length of the cylinder restores the proper angle of lordosis, and at best suggests the generic concept of a deployable spike structure inconsistent with that of the present invention.
Finally, and most notably, the principal of using a posterior approach to position expandable pairs of branches of an intersomatic cage to restore lordosis is noted in U.S. Pat. No.
5,554,191 issued to Lahille et al. Each branch is provided with a toothed surface for engaging the vertebral bodies and an opposing inclined surface, the branches driven apart by retracting a cylindrical spreader between the inclined surfaces. The cylinder advances along a threaded shank which is rotatably fixed in the body and adapted to be turned by an appropriate screwdriver.
However, first, it is noted that the teeth are fixed relative to the branches, and thus deploy simultaneously with the branches.
Moreover, the major disadvantage to using the branched body as taught in Lahille is that the spreader must be advanced towards the branched body by manipulating the threaded shank from a posterior approach, effectively requiring the surgeon to operate the device through the decreased-size opening of the intervertebral gap, as opposed to an anterior approach which does not restrict maximization of the bearing surface of the device.
Therefore, none of the above inventions and patents, taken either singularly or in combination, is seen to describe the instant invention as claimed. Thus a intervertebral body fusion device solving the aforementioned problems is desired.
SUMMARY OF THE INVENTION
An intervertebral body fusion device is provided which has a wedge body, a cage component with a plurality of deployable spines having end plate penetrating teeth, and a contraction mechanism for drawing the wedge body into the cage component. The device is surgically placed intervertebrally into the spine from an anterior surgical approach. In its final surgically-implanted position, the wedge body is substantially fully drawn within the cage component, resulting in a full deployment of teeth and associated spines into the adjacent end plates of the vertebral bodies, while simultaneously restoring the angle of lordosis to the spine.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is an environmental, side view of an intervertebral body fusion device according to the present invention.
Fig. 2 is an exploded, perspective anterior view of the intervertebral body fusion device according to the present invention.
Fig. 3 is a perspective posterior view of a wedge body of the intervertebral body fusion device according to the present invention.
Fig. 4 is an elevational anterior view of the cage component of the intervertebral body fusion device according to the present invention in a resting, pre-insertion state.
Fig. 5 is a cross sectional view of the cage component of the intervertebral body fusion device as shown along line 5-5 of Fig.
4.
Fig. 6 is a cross sectional view of the cage component of the intervertebral body fusion device as shown along line 6-6 of Fig.
4.
Fig. 7 is a elevational lateral view of the cage and wedge components in coacting positions, representing a pre-insertion r CA 02303547 2000-03-30 , state in solid lines wherein the wedge component is substantially external to the cage component, and, a post-insertion state shown in phantom lines wherein the wedge component is substantially fully housed within the cage component.
Fig. 8 is a second embodiment of the cage component of the intervertebral body fusion device.
Fig. 9 is a third embodiment of the cage component of the intervertebral body fusion device.
Similar reference characters denote corresponding features consistently throughout the attached drawings.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
As suggested in Fig. 1, the present invention is an intervertebral body fusion device 10 for restoring a proper angle of lordosis to the lumbar spine L, and, adapted to be inserted from an anterior approach A between the vertebral bodies B of two vertebrae V, particularly during lumbar vertebral body fusion surgery. As is more readily observable in Fig. 2, the preferred embodiment 10 of the invention comprises three main structural components, namely, a cage component 20, a wedge body 40, and a contraction mechanism 30 for drawing the wedge body 40 into a nesting relationship within the cage component 20.
The cage component 20 includes a rigid upper member 22 defining a bearing surface 22a and an opposing interior surface 22b, and, a rigid lower member 24 also defining both a bearing surface 24a and an opposing interior surface 24b. Each member 22, 24 is preferably a plate, thereby defining each surface as a substantially planar surface. Such a plate is both preferable and suitable for convenient machining of the features of the cage component 20 (as will be further described, namely spines 50 and flexible web 60), as well as, for the advantageous utilization of the large opposing bearing surfaces of the end plates P of adjacent vertebral bodies B during the restoration of lordosis. Such surfaces are particularly prevalent in the lumbar spine L, most particularly between L5 and the os sacrum S.
The lower member 24 is attached to the upper member 22 by a resilient web 60, bridging the upper and lower members 22, 24 to define a living hinge. The cage component 20 may be manufactured from a surgical grade material, such as titanium or stainless steel., which provides appropriate material properties to allow tempering to create resilience in the web 60, effectively forming a spring hinging the upper and lower members 22,24 together. As noted, the use of metal plate permits the cage component 10 to be integrally formed to include the web 60 and upper and lower members 22,24. The web 60 also spaces the members 22,24 from one another thereby defining a gap 70 of a predetermined distance for receiving the wedge body 40.
As seen in Fig. 2, the material properties of the plates of upper and lower members 22,24 and web 60 permit a configuration at rest wherein the upper and lower members 22,24 are positioned in a nearly parallel planar relationship to one another. However, as can be appreciated through comparison with Figs. 1 and 7, when any opposing and outward biasing forces act simultaneously upon the interior surfaces 22b,24b of each of the upper and lower members 22,24 (namely pressure from wedge body 40), the forces are transmitted through the web 60 to change the angle between the upper and lower members 22,24, the angle generally conforming to the predetermined angle of the wedge body 40. If the proper wedge body 40 is chosen, the primary purpose, to provide the spine L with the proper angle of lordosis, may be achieved.
In order to achieve the proper angle, a predetermined range of sizes and wedge angles for each wedge body 50 is provided. As seen in both Figures 2 and 3, each wedge body 50 defines a first inclined surface 42a and an opposing second inclined surface 42b, defining a predetermined fixed angle relative to one other. The range of predetermined angles is determined by the range of proper angles of lordosis necessarily desired and found as a result of anatomical variation. Moreover, the wedge body 40 is dimensioned and configured to be received and substantially housed in gap 70.
The inclined surfaces 42a,42b meet at a forward face 44 which truncates the apex of the angle, and terminate at a rear face 48.
Thus, in the preferred embodiment where upper and lower members 22,24 lie in substantially parallel planes, the wedge body 40 at face 44 must have a diameter greater than that of the gap 70 such that the upper and lower members 22,24 become urged apart when the first and second inclined surfaces 42a,42b are wedged against respective interior surfaces 22b, 24b of the upper and lower members 22,24.
Concurrently with restoring the angle of lordosis, the wedge body 40 also deploys a plurality of spines 50, which serve to secure the cage component 20 to the vertebral body end plates P by means of an engaging tooth 52 which is adapted to penetrate the end plate P. Preferably each upper and lower member 22,24 defines a through passage 26 confined by the plate to carve out one or more spines 50. Thus, each spine 50 has a free end 54 and a depending end 56. Again, as previously noted, a plate lends itself to the creation of such plurality of spines 50 by simple machining techniques. Thus, each spine 50 is integrally formed to depend from either an upper member 22 or a lower member 24. Each spine 50 has at lease one tooth 52 facing outwardly at the free end 54, the tooth preferably forming a penetrating tip or spike.
Each spine 50 is further bent inward towards gap 70 to dispose the tip of tooth 52 below the plane of its respective bearing surface 22a, 24a. Necessarily then, the spine 50 on which the tooth 52 resides must depend into the gap 70, forming a desired protuberance which permits deployment of the spine 50 and associated tooth 52 by riding an inclined surface 42a,42b of wedge body 40 during its insertion. Obviously, the spine 50 and tooth 52 must be positioned such that each is in registry with its associated through passage 26 so that spine and tooth properly deploy without interference from an associated plate wall of the upper or lower member 22,24.
r~
In order that the device 10 be easily surgically removed by reversing the wedge insertion procedure, an essential property of each spine 50 is a resilient memory that permits return of the spine 50 back to it original resting state (i.e. bent into the gap 70) when the wedge body 40 is removed. Again, choice of materials may include titanium, stainless steel or other surgical grade material which provides the spine 50 with resilience as a material property. The chosen material preferably both permits bending of the spine 50 into the gap 70 and tempering to create resilience of the spine 50.
The preferred configuration of the spines 50 relative to one another is understood by viewing Fig. 2, Fig. 5 and Fig. 6 together. By forming a sinuate through passage 26, a repetitive pattern including a first spine 50a and a second spine 50b is defined. Obviously, the number of spines so formed is a matter of preference. Each spine 50 is substantially perpendicular to the resilient web 60, and, substantially parallel with one another.
Moreover, each depending end 54 of each of the spines 50a,50b is proximately opposed to each free end 54, thus defining an end-to end relationship.
Therefore, the wedge body 40 preferably defines a recessed ramp 46 in an associated inclined surface 42a, 42b. The ramp 46 receives the spine 50 which has its free end 54 farthest from web 60 and, hence, closest to the wedge body 40 when inserted from an anterior approach to the cage component 20.
For example, in the preferred embodiment as shown in Fig. 2, the ramp 46 aligns with the second spine 50b when the wedge body 40 is housed in the gap 70. Thus, as can be best understood and viewed in Fig. 7, when face 44 passes into gap 70, the first inclined surface 42a drives up first spine 50a at approximately the same rate as ramp 46 drives up second spine 50b. Therefore, when wedge body 40 is fully inserted and housed within gap 70, both the free end 54 of second spine 50b as well as the free end 54 of first spine 50a rests upon inclined surface 42a of wedge body 40, thus presenting a coplanar relationship. Because interior surfaces 22b,24b of upper and lower members 22,24 are nesting contiguously against inclined surfaces 42a,42b, respectively, each tooth 52 is fully deployed beyond an associated bearing surface 22a,24a.
Considering now the contraction mechanism 30 of the preferred embodiment, an assembly of coacting parts are shown for drawing the wedge body 40 into a nesting relationship within the cage component 20. Such assembly includes a lobe 32 depending from either one of the members 22,24, and chosen to be shown in Fig. 2 as depending from the interior surface 24b of lower member 24 into the gap 70.
The lobe 32 has a threaded aperture 34 defining threads 35, the lobe 32 serving as an anchor point against which a pulling force may act to draw the wedge body 40 toward the cage component 20.
To provide such a coacting force, a threaded shaft 80 passes through the wedge body 40 and the lobe 32, the shaft 80 both having a matingly threaded portion 82 received by the threaded aperture 34 of the lobe 32, and, a head portion 84 rotatably seated in the wedge body 40. The head portion 84 includes a socket 88 adapted to receive a conventional driver tool T (Fig. 1), for turning the shaft 80.
To accommodate the shaft 80, wedge body 40 defines a tunnel 36 (best seen in Fig. 4). However, the wedge body includes a threadless seat 38 for receiving the head portion 84. This seat 38 permits free rotation of the head portion 84 within the wedge body 40 and therefore permits the threaded portion 82 to advance the wedge body 40 towards the cage component 20 as the shaft 80 is turned while the threaded portion 82 is engaged to lobe 32. Thus, the threaded portion 82 must have a predetermined length sufficient to extend proximate the front face 44 of the wedge body 40 to coact with the lobe 32. A simpler wedge body 40 may be seen in Fig. 3, which omits the seat 38 and includes only a tunnel 36, thus permitting the head portion 84 to protrude from face 48, rather than being flush with face 48. Regardless of choice of embodiment of the wedge body, the principles of coactive operation of the wedge body 40, cage component 20 and contraction mechanism 30 are unaffected.
To allow the wedge body 42 to be fully housed in the gap 70, the front face 44 must not interfere with lobe 32. Therefore, a cavity 49 is defined by the wedge body 40 which receives the lobe 32. As can be appreciated from Fig. 7, the cavity 49 is approximately as deep as the length of the inclined surfaces 42a, 4:2b, leaving a septal portion 62 of wedge body 40 of sufficient thickness to permit the threadless seat 38 to be defined in rear face 48. Thus, when the head portion 84 of the shaft 80 is rotatably seated within the seat 38, the threaded portion 82 resides fully within cavity 49 and extends proximately toward face 44, having a predetermined length sufficient to engage the lobe 32.
However, since the wedge body 40 is sized and dimensioned to approximate the size and dimensions of the gap 70, the shaft 80 should not significantly extend beyond the front face 44 of the wedge body 40. Otherwise, by having an excessively long shaft 30, the terminal end of the threaded portion 82 would eventually abut against web 60, thereby hindering complete insertion of the wedge body 40 into gap 70. However, as may be adapted by one of ordinary skill in the art, the coacting contraction means 30 described above may be altered to accomplish the intended purposes described herein without deviating from the scope of the claimed invention and its described purposes, and, other adequate embodiments of the contraction means 30 are therefore anticipated by the exemplary version described.
Additional embodiments of the cage component 20 may be envisioned as well which operate upon the same principles and employ the same essential structural features described herein.
For example, Fig. 8 describes a cage component 220 identical in all respects to the embodiment of cage component 20, excepting an additional track 122 which is defined on the interior surfaces 222b,224b in upper and lower members 222,224, respectively.
Although not shown, a wedge body essentially identical to that of wedge body 40 has a mating groove for receiving the track 122. The -, groove and track arrangement may be helpful in guiding the wedge and cage components into proper nesting relationship.
Likewise, Fig. 9 represents yet another embodiment of the cage component, 320, wherein the spines 350 are also machined out of a plate of upper and lower members 322,324, however, into a configuration different from that of the preferred configuration.
Moreover, each spine 50 has a tooth 352 which is machined from the thickness, t, of the plate, although shown in exaggerated size for clarity of illustration. This allows the tooth 352 to be integrally formed from a plate comprising upper or lower member 322,324. A resulting shoulder 352 and bed 356 is thus formed, with each spine 350 being defined in the same plane as bed 356. Each spine 350 may be bent inward at rest, with a resulting outward bend after insertion of a wedge body. The wedge body must however be adapted with a knob (not shown) or ramp protruding outward from an inclined surface to drive the spines 350 outward.
Finally, referring back to Fig. 1, in its final surgically-implanted position, the wedge body 40 of the various embodiments can be understood to be substantially fully drawn within the cage component 20, resulting in a full deployment of teeth 52 and associated spines 50 into the adjacent end plates P of the vertebral bodies B, thereby simultaneously restoring the angle of lordosis to the spine L.
It is to be understood that the present invention is not limited to the embodiments described above, but encompasses any and all embodiments within the scope of the following claims.
Claims (20)
1. An intervertebral body fusion device comprising:
a cage component including a rigid upper member defining a bearing surface, an opposing interior surface and a through passage confined by said upper member;
a rigid lower member defining a bearing surface, an opposing interior surface, and a through passage confined by said lower member, a resilient web bridging said upper member and said lower member and defining a living hinge, said web spacing said members from one another thereby defining a gap of a predetermined distance for receiving a wedge body between said members.
a first spine having a free end and a depending end, said first spine having a tooth, said depending end depending from said upper member and disposing said tooth below said bearing surface, and said first spine further positioning said tooth in registry with said through passage of said upper member;
a wedge body dimensioned and configured to be received and substantially housed in said gap, said wedge body having a predetermined diameter greater than the predetermined distance of said gap, whereby said upper and lower members become urged apart when said wedge body is inserted into said gap; and a contraction means for drawing said wedge body into said gap so as to nest within said cage component.
a cage component including a rigid upper member defining a bearing surface, an opposing interior surface and a through passage confined by said upper member;
a rigid lower member defining a bearing surface, an opposing interior surface, and a through passage confined by said lower member, a resilient web bridging said upper member and said lower member and defining a living hinge, said web spacing said members from one another thereby defining a gap of a predetermined distance for receiving a wedge body between said members.
a first spine having a free end and a depending end, said first spine having a tooth, said depending end depending from said upper member and disposing said tooth below said bearing surface, and said first spine further positioning said tooth in registry with said through passage of said upper member;
a wedge body dimensioned and configured to be received and substantially housed in said gap, said wedge body having a predetermined diameter greater than the predetermined distance of said gap, whereby said upper and lower members become urged apart when said wedge body is inserted into said gap; and a contraction means for drawing said wedge body into said gap so as to nest within said cage component.
2. The intervertebral body fusion device according to claim 1 wherein said wedge body defines a first inclined surface and an opposing second inclined surface defining a predetermined fixed angle relative to each other.
3. The intervertebral body fusion device according to claim 2 wherein said upper member further defines a second through passage confined by said upper member; and further includes a second spine having a free end and a depending end, said second spine having a tooth, said depending end depending from said upper member and disposing said tooth in said gap proximate said interior surface of said upper member, and said second spine further positioning said tooth in registry with said second through passage of said upper member; and wherein further said wedge body defines a recessed ramp in said first inclined surface, said ramp aligning with said second spine when said wedge body is housed in said gap.
4. The intervertebral body fusion device according to claim 3, wherein said first and second spines are substantially perpendicular to said flexible web, and, said depending end of each of said first and second spines are proximately opposed to each said free end.
5. The intervertebral body fusion device according to claim 3, wherein said lower member further defines a through passage confined by said lower member; and further includes a spine having a free end and a depending end, said spine having a tooth, said depending end depending from said lower member and disposing said tooth in said gap proximate said interior surface of said lower member, and said spine further positioning said tooth in registry with said through passage of said lower member; and wherein further said wedge body defines a recessed ramp in said second inclined surface, said ramp aligning with said spine of said lower member when said wedge body is housed in said gap.
6. The intervertebral body fusion device according to claim 1, wherein said upper member and said lower member each define a plate.
7. The intervertebral body fusion device according to claim 6, wherein said spine is integrally formed in said plate and substantially residing in said through passage when formed, said spine and plate being constructed of a flexible material permitting bending of said spine into said gap and tempering of said material to create resilience of said spine.
8. The intervertebral body fusion device according to claim 1, wherein said cage component, wedge body and contraction means are manufactured from a surgical grade material selected from the group consisting of titanium and stainless steel.
9. The intervertebral body fusion device according to claim 1, wherein the contraction means is an assembly further comprising a lobe depending from one of said upper or lower members, said lobe having a threaded aperture; and a shaft passing through said wedge body and said lobe, said shaft having threaded portion received by said threaded aperture and a head portion rotatably seated in said wedge body, said wedge body including a threadless seat for receiving said head portion and permitting free rotation of said head portion within said wedge body, and, said threaded portion having a predetermined length between said wedge body and said lobe when said threaded portion is engaged.
10. The intervertebral body fusion device according to claim 9, wherein said head portion includes a socket adapted to receive a driver tool for turning said shaft.
11. An intervertebral body fusion device comprising:
a cage component including a rigid upper member defining a bearing surface, an opposing interior surface and a through passage confined by said upper member;
a rigid lower member defining a bearing surface, an opposing interior surface, and a through passage confined by said lower member, said lower member attached to said upper member and disposed apart to define a gap of a predetermined distance for receiving a wedge body between said members;
a first spine having a tooth, said first spine depending from said upper member and disposing said tooth within said gap proximate said interior surface of said upper member, and further positioning said tooth in registry with said through passage of said upper member;
a wedge body defining a first inclined surface and an opposing second inclined surface defining a predetermined fixed angle relative to each other, said wedge body dimensioned and configured to be received and substantially housed in said gap, said wedge body having a predetermined diameter greater than the predetermined distance of said, gap such that said upper and lower members become urged apart when said first and second inclined surfaces wedge against respective interior surfaces of said upper and lower members; and a contraction means for drawing said wedge body into said gap so as to nest within said cage component;
whereby, when said wedge body engages said spine upon insertion into said gap, said wedge body deploys said spine and said tooth by driving said tooth through said through passage.
a cage component including a rigid upper member defining a bearing surface, an opposing interior surface and a through passage confined by said upper member;
a rigid lower member defining a bearing surface, an opposing interior surface, and a through passage confined by said lower member, said lower member attached to said upper member and disposed apart to define a gap of a predetermined distance for receiving a wedge body between said members;
a first spine having a tooth, said first spine depending from said upper member and disposing said tooth within said gap proximate said interior surface of said upper member, and further positioning said tooth in registry with said through passage of said upper member;
a wedge body defining a first inclined surface and an opposing second inclined surface defining a predetermined fixed angle relative to each other, said wedge body dimensioned and configured to be received and substantially housed in said gap, said wedge body having a predetermined diameter greater than the predetermined distance of said, gap such that said upper and lower members become urged apart when said first and second inclined surfaces wedge against respective interior surfaces of said upper and lower members; and a contraction means for drawing said wedge body into said gap so as to nest within said cage component;
whereby, when said wedge body engages said spine upon insertion into said gap, said wedge body deploys said spine and said tooth by driving said tooth through said through passage.
12. The intervertebral body fusion device according to claim 11, further comprising a resilient web bridging said upper member and said lower member and defining a living hinge, said web spacing said members from one another thereby defining said gap.
13. The intervertebral body fusion device according to claim 11 wherein said upper member further defines a second through passage confined by said upper member; and further includes a second spine having a free end and a depending end, said second spine having a tooth, said depending end depending from said upper member and disposing said tooth in said gap proximate said interior surface of said upper member, and said second spine further positioning said tooth in registry with said second through passage of said upper member; and wherein further said wedge body defines a recessed ramp in said first inclined surface, said ramp aligning with said second spine when said wedge body is housed in said gap.
14. The intervertebral body fusion device according to claim 13, wherein said first and second spines are substantially perpendicular to said flexible web, and, said depending end of each of said first and second spines are proximately opposed to each said free end.
15. The intervertebral body fusion device according to claim 13, wherein said lower member further defines a through passage confined by said lower member; and further includes a spine having a free end and a depending end, said spine having a tooth, said depending end depending from said lower member and disposing said tooth in said gap proximate said interior surface of said lower member, and said spine further positioning said tooth in registry with said through passage of said lower member; and wherein further said wedge body defines a recessed ramp in said second inclined surface, said ramp aligning with said spine of said lower member when said wedge body is housed in said gap.
16. The intervertebral body fusion device according to claim 11, wherein said upper member and said lower member each defines a plate.
17. The intervertebral body fusion device according to claim 16, wherein said spine is integrally formed in said plate and substantially residing in said through passage when formed, said spine and plate being constructed of a flexible material permitting bending of said spine into said gap and tempering of said material to create resilience of said spine.
18. The intervertebral body fusion device according to claim 11, wherein said cage component, wedge body and contraction means are manufactured from a surgical grade material selected from the group consisting of titanium and stainless steel.
19. The intervertebral body fusion device according to claim 11, wherein the contraction means is an assembly further comprising a lobe depending from one of said upper or lower members, said lobe having a threaded aperture; and a shaft passing through said wedge body and said lobe, said shaft having threaded portion received by said threaded aperture and a. head portion rotatably seated in said wedge body, said wedge body including a threadless seat for receiving said head portion and permitting free rotation of said head portion within said wedge body, and, said threaded portion having a predetermined length between said wedge body and said lobe when said threaded portion is engaged.
20. The intervertebral body fusion device according to claim 19, wherein said head portion includes a socket adapted to receive a driver tool for turning said shaft.
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CA002303547A CA2303547C (en) | 1999-01-19 | 2000-03-30 | Intervertebral body fusion device |
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Families Citing this family (458)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7879095B2 (en) * | 1994-03-18 | 2011-02-01 | Madhavan Pisharodi | Method of inserting, rotating and releasing a spring-loaded artificial disk |
FR2753368B1 (en) | 1996-09-13 | 1999-01-08 | Chauvin Jean Luc | EXPANSIONAL OSTEOSYNTHESIS CAGE |
US6648916B1 (en) * | 1997-12-10 | 2003-11-18 | Sdgi Holdings, Inc. | Osteogenic fusion device |
US6045551A (en) | 1998-02-06 | 2000-04-04 | Bonutti; Peter M. | Bone suture |
CA2336176C (en) * | 1998-06-23 | 2008-10-07 | Dimso (Distribution Medicale Du Sud-Ouest) | Backbone intersomatic implant with anchoring elements |
US6086593A (en) * | 1998-06-30 | 2000-07-11 | Bonutti; Peter M. | Method and apparatus for use in operating on a bone |
US6099531A (en) * | 1998-08-20 | 2000-08-08 | Bonutti; Peter M. | Changing relationship between bones |
FR2782632B1 (en) | 1998-08-28 | 2000-12-29 | Materiel Orthopedique En Abreg | EXPANSIBLE INTERSOMATIC FUSION CAGE |
US6113638A (en) * | 1999-02-26 | 2000-09-05 | Williams; Lytton A. | Method and apparatus for intervertebral implant anchorage |
US20060247665A1 (en) | 1999-05-28 | 2006-11-02 | Ferree Bret A | Methods and apparatus for treating disc herniation and preventing the extrusion of interbody bone graft |
US7273497B2 (en) | 1999-05-28 | 2007-09-25 | Anova Corp. | Methods for treating a defect in the annulus fibrosis |
US20070038231A1 (en) | 1999-05-28 | 2007-02-15 | Ferree Bret A | Methods and apparatus for treating disc herniation and preventing the extrusion of interbody bone graft |
US6491724B1 (en) * | 1999-08-13 | 2002-12-10 | Bret Ferree | Spinal fusion cage with lordosis correction |
EP1194088B1 (en) | 1999-07-02 | 2008-03-12 | Spine Solutions Inc. | Intervertebral implant |
FR2897259B1 (en) | 2006-02-15 | 2008-05-09 | Ldr Medical Soc Par Actions Si | INTERSOMATIC TRANSFORAMINAL CAGE WITH INTERBREBAL FUSION GRAFT AND CAGE IMPLANTATION INSTRUMENT |
US6368343B1 (en) | 2000-03-13 | 2002-04-09 | Peter M. Bonutti | Method of using ultrasonic vibration to secure body tissue |
US6447516B1 (en) | 1999-08-09 | 2002-09-10 | Peter M. Bonutti | Method of securing tissue |
EP1792587B1 (en) | 1999-09-14 | 2014-03-05 | Spine Solutions Inc. | Insert instrument for an implant between vertebrae |
US20040186573A1 (en) * | 1999-10-08 | 2004-09-23 | Ferree Bret A. | Annulus fibrosis augmentation methods and apparatus |
US20030004574A1 (en) * | 1999-10-08 | 2003-01-02 | Ferree Bret A. | Disc and annulus augmentation using biologic tissue |
WO2001049220A1 (en) | 1999-12-30 | 2001-07-12 | Osteotech, Inc. | Intervertebral implants |
US6635073B2 (en) | 2000-05-03 | 2003-10-21 | Peter M. Bonutti | Method of securing body tissue |
US6500205B1 (en) * | 2000-04-19 | 2002-12-31 | Gary K. Michelson | Expandable threaded arcuate interbody spinal fusion implant with cylindrical configuration during insertion |
US6709458B2 (en) * | 2000-02-04 | 2004-03-23 | Gary Karlin Michelson | Expandable push-in arcuate interbody spinal fusion implant with tapered configuration during insertion |
US6814756B1 (en) | 2000-02-04 | 2004-11-09 | Gary K. Michelson | Expandable threaded arcuate interbody spinal fusion implant with lordotic configuration during insertion |
EP1645248B8 (en) * | 2000-02-04 | 2010-06-16 | Warsaw Orthopedic, Inc. | Expandable interbody spinal fusion implant having pivotally attached blocker |
US6716247B2 (en) | 2000-02-04 | 2004-04-06 | Gary K. Michelson | Expandable push-in interbody spinal fusion implant |
US6821298B1 (en) * | 2000-04-18 | 2004-11-23 | Roger P. Jackson | Anterior expandable spinal fusion cage system |
US6808537B2 (en) * | 2000-07-07 | 2004-10-26 | Gary Karlin Michelson | Expandable implant with interlocking walls |
US8535378B2 (en) * | 2004-05-10 | 2013-09-17 | Roger P. Jackson | Vertebral interbody spacer |
US7195643B2 (en) * | 2003-08-29 | 2007-03-27 | Jackson Roger P | Convex spinal fusion interbody spacer |
US8628575B2 (en) * | 2000-08-29 | 2014-01-14 | Nabil L. Muhanna | Vertebral body replacement and method of use |
US6953462B2 (en) | 2000-10-05 | 2005-10-11 | The Cleveland Clinic Foundation | Apparatus for implantation into bone |
US6468309B1 (en) | 2000-10-05 | 2002-10-22 | Cleveland Clinic Foundation | Method and apparatus for stabilizing adjacent bones |
US20030120274A1 (en) | 2000-10-20 | 2003-06-26 | Morris John W. | Implant retaining device |
US6544265B2 (en) | 2000-11-08 | 2003-04-08 | The Cleveland Clinic Foundation | Apparatus for implantation into bone related applications |
US6551319B2 (en) | 2000-11-08 | 2003-04-22 | The Cleveland Clinic Foundation | Apparatus for implantation into bone |
US6443989B1 (en) | 2000-12-04 | 2002-09-03 | Roger P. Jackson | Posterior expandable fusion cage |
US6773460B2 (en) * | 2000-12-05 | 2004-08-10 | Roger P. Jackson | Anterior variable expandable fusion cage |
DE60201945T2 (en) | 2001-02-04 | 2005-12-01 | Michelson, Gary Karlin, Los Angeles | Instrument for introducing and spreading an intervertebral fusion implant |
US6595998B2 (en) | 2001-03-08 | 2003-07-22 | Spinewave, Inc. | Tissue distraction device |
US7128760B2 (en) * | 2001-03-27 | 2006-10-31 | Warsaw Orthopedic, Inc. | Radially expanding interbody spinal fusion implants, instrumentation, and methods of insertion |
US6368351B1 (en) * | 2001-03-27 | 2002-04-09 | Bradley J. Glenn | Intervertebral space implant for use in spinal fusion procedures |
WO2002080823A1 (en) * | 2001-04-04 | 2002-10-17 | Rapp Lawrence G | Interbody spinal fusion device |
FR2824261B1 (en) | 2001-05-04 | 2004-05-28 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS AND IMPLEMENTATION METHOD AND TOOLS |
TW571720U (en) * | 2001-05-04 | 2004-01-11 | Chih-I Lin | Spine fastener with support component |
FR2827156B1 (en) | 2001-07-13 | 2003-11-14 | Ldr Medical | VERTEBRAL CAGE DEVICE WITH MODULAR FASTENING |
FR2829689B1 (en) * | 2001-09-14 | 2004-06-25 | Frederic Fortin | NUCLEUS PROSTHESIS AND ITS INSERTION DEVICE AND ITS POSITIONING METHOD |
US6648917B2 (en) * | 2001-10-17 | 2003-11-18 | Medicinelodge, Inc. | Adjustable bone fusion implant and method |
US6719765B2 (en) | 2001-12-03 | 2004-04-13 | Bonutti 2003 Trust-A | Magnetic suturing system and method |
US6855167B2 (en) | 2001-12-05 | 2005-02-15 | Osteotech, Inc. | Spinal intervertebral implant, interconnections for such implant and processes for making |
US7708776B1 (en) | 2002-01-16 | 2010-05-04 | Nuvasive, Inc. | Intervertebral disk replacement system and methods |
US8137402B2 (en) * | 2002-01-17 | 2012-03-20 | Concept Matrix Llc | Vertebral defect device |
US7105023B2 (en) * | 2002-01-17 | 2006-09-12 | Concept Matrix, L.L.C. | Vertebral defect device |
WO2003071966A1 (en) * | 2002-02-25 | 2003-09-04 | Dinh Dzung H | Methods and apparatuses for promoting fusion of vertebrae |
AU2003220366B2 (en) * | 2002-03-11 | 2008-07-31 | Zimmer Spine, Inc. | Instrumentation and procedure for implanting spinal implant devices |
US20040010315A1 (en) * | 2002-03-29 | 2004-01-15 | Song John K. | Self-expanding intervertebral device |
EP2246012A2 (en) * | 2002-03-30 | 2010-11-03 | Infinity Orthopaedics Company, Ltd. | Intervertebral Device |
US20040030390A1 (en) * | 2002-04-23 | 2004-02-12 | Ferree Bret A. | Intradiscal component installation apparatus and methods |
US7070598B2 (en) * | 2002-06-25 | 2006-07-04 | Sdgi Holdings, Inc. | Minimally invasive expanding spacer and method |
US7087055B2 (en) * | 2002-06-25 | 2006-08-08 | Sdgi Holdings, Inc. | Minimally invasive expanding spacer and method |
US6793678B2 (en) | 2002-06-27 | 2004-09-21 | Depuy Acromed, Inc. | Prosthetic intervertebral motion disc having dampening |
US6682564B1 (en) | 2002-07-02 | 2004-01-27 | Luis Duarte | Intervertebral support device and related methods |
US20050143825A1 (en) * | 2002-07-09 | 2005-06-30 | Albert Enayati | Intervertebral prosthesis |
US20040010312A1 (en) * | 2002-07-09 | 2004-01-15 | Albert Enayati | Intervertebral prosthesis |
US20040087947A1 (en) * | 2002-08-28 | 2004-05-06 | Roy Lim | Minimally invasive expanding spacer and method |
US7018415B1 (en) * | 2002-09-23 | 2006-03-28 | Sdgi Holdings, Inc. | Expandable spinal fusion device and methods of promoting spinal fusion |
DE10248170A1 (en) * | 2002-10-16 | 2004-04-29 | Advanced Medical Technologies Ag | Implant for insertion between vertebras of a spinal column comprises two sides whose outer surfaces at the start of a vertebra spreading process converge towards the free ends of the sides |
US7214243B2 (en) * | 2002-10-21 | 2007-05-08 | 3Hbfm, Llc | Intervertebral disk prosthesis |
US7083649B2 (en) * | 2002-10-29 | 2006-08-01 | St. Francis Medical Technologies, Inc. | Artificial vertebral disk replacement implant with translating pivot point |
FR2846550B1 (en) | 2002-11-05 | 2006-01-13 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS |
CA2505069A1 (en) * | 2002-11-08 | 2004-05-27 | Vertelink Corporation | Transpedicular intervertebral disk access methods and devices |
US6685742B1 (en) * | 2002-11-12 | 2004-02-03 | Roger P. Jackson | Articulated anterior expandable spinal fusion cage system |
US7204852B2 (en) | 2002-12-13 | 2007-04-17 | Spine Solutions, Inc. | Intervertebral implant, insertion tool and method of inserting same |
US7235106B2 (en) * | 2002-12-20 | 2007-06-26 | Depuy Products, Inc. | Modular hip stems and associated method of trialing |
US7022141B2 (en) | 2002-12-20 | 2006-04-04 | Depuy Products, Inc. | Alignment device for modular implants and method |
US7854737B2 (en) * | 2002-12-20 | 2010-12-21 | Depuy Products, Inc. | Instrument and associated method of trailing for modular hip stems |
US20040122439A1 (en) * | 2002-12-20 | 2004-06-24 | Dwyer Kimberly A. | Adjustable biomechanical templating & resection instrument and associated method |
US20040167626A1 (en) * | 2003-01-23 | 2004-08-26 | Geremakis Perry A. | Expandable artificial disc prosthesis |
US7828849B2 (en) | 2003-02-03 | 2010-11-09 | Warsaw Orthopedic, Inc. | Expanding interbody implant and articulating inserter and method |
MXPA05008653A (en) | 2003-02-14 | 2006-04-27 | Depuy Spine Inc | In-situ formed intervertebral fusion device and method. |
WO2004080356A2 (en) * | 2003-03-07 | 2004-09-23 | Smart Disc, Inc. | Spinal implant with securement spikes |
WO2004084742A1 (en) | 2003-03-24 | 2004-10-07 | Theken Surgical Llc | Spinal implant adjustment device |
US7491204B2 (en) | 2003-04-28 | 2009-02-17 | Spine Solutions, Inc. | Instruments and method for preparing an intervertebral space for receiving an artificial disc implant |
US20040267367A1 (en) | 2003-06-30 | 2004-12-30 | Depuy Acromed, Inc | Intervertebral implant with conformable endplate |
DE10330699B3 (en) * | 2003-07-08 | 2005-02-17 | Aesculap Ag & Co. Kg | Surgical instrument for handling an implant |
US7803162B2 (en) | 2003-07-21 | 2010-09-28 | Spine Solutions, Inc. | Instruments and method for inserting an intervertebral implant |
US7799082B2 (en) * | 2003-08-05 | 2010-09-21 | Flexuspine, Inc. | Artificial functional spinal unit system and method for use |
US7316714B2 (en) * | 2003-08-05 | 2008-01-08 | Flexuspine, Inc. | Artificial functional spinal unit assemblies |
US7909869B2 (en) * | 2003-08-05 | 2011-03-22 | Flexuspine, Inc. | Artificial spinal unit assemblies |
US7753958B2 (en) * | 2003-08-05 | 2010-07-13 | Gordon Charles R | Expandable intervertebral implant |
US7204853B2 (en) * | 2003-08-05 | 2007-04-17 | Flexuspine, Inc. | Artificial functional spinal unit assemblies |
WO2005016194A2 (en) * | 2003-08-05 | 2005-02-24 | Flexuspine, Inc. | Artificial spinal unit assemblies |
US20060229729A1 (en) * | 2003-08-05 | 2006-10-12 | Gordon Charles R | Expandable intervertebral implant for use with instrument |
DE20314708U1 (en) * | 2003-09-16 | 2003-11-20 | Aesculap Ag & Co Kg | spinal implant |
US7041137B2 (en) * | 2003-10-07 | 2006-05-09 | Lanx, Llc | Spinal implant |
US7837732B2 (en) | 2003-11-20 | 2010-11-23 | Warsaw Orthopedic, Inc. | Intervertebral body fusion cage with keels and implantation methods |
US7217293B2 (en) * | 2003-11-21 | 2007-05-15 | Warsaw Orthopedic, Inc. | Expandable spinal implant |
US7691146B2 (en) | 2003-11-21 | 2010-04-06 | Kyphon Sarl | Method of laterally inserting an artificial vertebral disk replacement implant with curved spacer |
US7569074B2 (en) | 2003-12-11 | 2009-08-04 | Warsaw Orthopedic, Inc. | Expandable intervertebral implant |
US7621938B2 (en) * | 2004-01-15 | 2009-11-24 | Warsaw Orthopedic, Inc. | Spinal implant construct and method for implantation |
AU2005209304B2 (en) | 2004-01-27 | 2010-08-26 | Warsaw Orthopedic, Inc. | Stabilized bone graft |
FR2865629B1 (en) | 2004-02-04 | 2007-01-26 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS |
CN101961270B (en) | 2004-02-04 | 2016-08-10 | Ldr医学公司 | Intervertebral disk prosthesis |
US8273129B2 (en) * | 2004-02-10 | 2012-09-25 | Atlas Spine, Inc. | PLIF opposing wedge ramp |
US7850733B2 (en) * | 2004-02-10 | 2010-12-14 | Atlas Spine, Inc. | PLIF opposing wedge ramp |
US7763028B2 (en) * | 2004-02-13 | 2010-07-27 | Warsaw Orthopedic, Inc. | Spacer with height and angle adjustments for spacing vertebral members |
US8480742B2 (en) * | 2005-08-02 | 2013-07-09 | Perumala Corporation | Total artificial disc |
US8070816B2 (en) * | 2004-03-29 | 2011-12-06 | 3Hbfm, Llc | Arthroplasty spinal prosthesis and insertion device |
US6942698B1 (en) | 2004-04-23 | 2005-09-13 | Roger P. Jackson | Spinal fusion interbody spacer |
FR2869528B1 (en) | 2004-04-28 | 2007-02-02 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS |
US20050251147A1 (en) * | 2004-05-07 | 2005-11-10 | Novak Vincent P | Open wedge osteotomy system and surgical method |
FR2871366A1 (en) | 2004-06-09 | 2005-12-16 | Ceravic Soc Par Actions Simpli | PROSTHETIC EXPANSIBLE BONE IMPLANT |
US7604638B2 (en) * | 2004-06-21 | 2009-10-20 | Depuy Spine, Inc. | Instruments and methods for holding a bone plate |
US7678148B2 (en) * | 2004-07-23 | 2010-03-16 | Warsaw Orthopedic, Inc. | Expandable spinal implant having interlocking geometry for structural support |
US7875078B2 (en) | 2004-08-25 | 2011-01-25 | Spine Wave, Inc. | Expandable interbody fusion device |
US7799081B2 (en) | 2004-09-14 | 2010-09-21 | Aeolin, Llc | System and method for spinal fusion |
WO2006034436A2 (en) | 2004-09-21 | 2006-03-30 | Stout Medical Group, L.P. | Expandable support device and method of use |
US7500992B2 (en) * | 2004-10-05 | 2009-03-10 | Kung-Chia Li | Distractable body augmenter capable of being planted through a pedicle for vertebral body reconstruction |
US9055981B2 (en) * | 2004-10-25 | 2015-06-16 | Lanx, Inc. | Spinal implants and methods |
WO2006047587A2 (en) * | 2004-10-25 | 2006-05-04 | Alphaspine, Inc. | Expandable intervertebral spacer method and apparatus |
US8241330B2 (en) | 2007-01-11 | 2012-08-14 | Lanx, Inc. | Spinous process implants and associated methods |
US20060095136A1 (en) * | 2004-11-03 | 2006-05-04 | Mcluen Design, Inc. | Bone fusion device |
US8597360B2 (en) * | 2004-11-03 | 2013-12-03 | Neuropro Technologies, Inc. | Bone fusion device |
US20080133017A1 (en) * | 2004-11-15 | 2008-06-05 | Disc-O- Tech Medical Technology | Assembled Prosthesis Such as a Disc |
US20060122701A1 (en) * | 2004-11-23 | 2006-06-08 | Kiester P D | Posterior lumbar interbody fusion expandable cage with lordosis and method of deploying the same |
WO2006062518A2 (en) | 2004-12-08 | 2006-06-15 | Interpore Spine Ltd. | Continuous phase composite for musculoskeletal repair |
US20070038303A1 (en) * | 2006-08-15 | 2007-02-15 | Ebi, L.P. | Foot/ankle implant and associated method |
US8535357B2 (en) * | 2004-12-09 | 2013-09-17 | Biomet Sports Medicine, Llc | Continuous phase compositions for ACL repair |
FR2879436B1 (en) | 2004-12-22 | 2007-03-09 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS |
US7655046B2 (en) * | 2005-01-20 | 2010-02-02 | Warsaw Orthopedic, Inc. | Expandable spinal fusion cage and associated instrumentation |
US7488330B2 (en) * | 2005-01-27 | 2009-02-10 | Depuy Spine, Inc. | Modular static intervertebral trial |
US7935119B2 (en) * | 2005-01-31 | 2011-05-03 | Ibalance Medical, Inc. | Method for performing an open wedge, high tibial osteotomy |
US8540777B2 (en) * | 2005-01-31 | 2013-09-24 | Arthrex, Inc. | Method and apparatus for performing an open wedge, high tibial osteotomy |
US8496662B2 (en) * | 2005-01-31 | 2013-07-30 | Arthrex, Inc. | Method and apparatus for forming a wedge-like opening in a bone for an open wedge osteotomy |
US8771279B2 (en) | 2005-01-31 | 2014-07-08 | Arthrex, Inc. | Method and apparatus for performing an osteotomy in bone |
US8062301B2 (en) * | 2005-01-31 | 2011-11-22 | Arthrex, Inc. | Method and apparatus for performing a high tibial, dome osteotomy |
US8906026B2 (en) | 2005-01-31 | 2014-12-09 | Arthrex, Inc. | Method and apparatus for performing an open wedge, high tibial osteotomy |
US7967823B2 (en) * | 2005-01-31 | 2011-06-28 | Arthrex, Inc. | Method and apparatus for performing an open wedge, high tibial osteotomy |
US20090054899A1 (en) * | 2005-01-31 | 2009-02-26 | Ammann Kelly G | Method and apparatus for performing an open wedge, high tibial osteotomy |
JP2008529609A (en) * | 2005-02-09 | 2008-08-07 | アイバランス・メディカル・インコーポレーテッド | Multi-component implant for open knee osteotomy |
ATE531346T1 (en) * | 2005-02-24 | 2011-11-15 | Morphogeny Llc | CONNECTED, SLIDING AND MATCHABLE ROTATABLE COMPONENTS |
US7591853B2 (en) | 2005-03-09 | 2009-09-22 | Vertebral Technologies, Inc. | Rail-based modular disc nucleus prosthesis |
AU2006232324A1 (en) * | 2005-04-01 | 2006-10-12 | Ibalance Medical, Inc. | Method and apparatus for performing an open wedge, high tibial osteotomy |
US9848993B2 (en) | 2005-04-12 | 2017-12-26 | Nathan C. Moskowitz | Zero-profile expandable intervertebral spacer devices for distraction and spinal fusion and a universal tool for their placement and expansion |
US11903849B2 (en) | 2005-04-12 | 2024-02-20 | Moskowitz Family Llc | Intervertebral implant and tool assembly |
US7942903B2 (en) | 2005-04-12 | 2011-05-17 | Moskowitz Ahmnon D | Bi-directional fixating transvertebral body screws and posterior cervical and lumbar interarticulating joint calibrated stapling devices for spinal fusion |
US7749270B2 (en) * | 2005-04-29 | 2010-07-06 | Warsaw Orthopedic, Inc. | Expandable intervertebral implant and associated instrumentation |
FR2887138B1 (en) * | 2005-06-15 | 2007-08-10 | Hassan Razian | DEVICE THAT CAN BE INTERCALE BETWEEN TWO CONSECUTIVE VERTEBERS |
JP5081822B2 (en) | 2005-07-14 | 2012-11-28 | スタウト メディカル グループ,エル.ピー. | Expandable support device and system |
US8623088B1 (en) | 2005-07-15 | 2014-01-07 | Nuvasive, Inc. | Spinal fusion implant and related methods |
US8328851B2 (en) | 2005-07-28 | 2012-12-11 | Nuvasive, Inc. | Total disc replacement system and related methods |
US8870890B2 (en) * | 2005-08-05 | 2014-10-28 | DePuy Synthes Products, LLC | Pronged holder for treating spinal stenosis |
US7753938B2 (en) * | 2005-08-05 | 2010-07-13 | Synthes Usa, Llc | Apparatus for treating spinal stenosis |
US7722674B1 (en) * | 2005-08-12 | 2010-05-25 | Innvotec Surgical Inc. | Linearly expanding spine cage for enhanced spinal fusion |
EP1924227B1 (en) | 2005-08-16 | 2014-12-17 | Benvenue Medical, Inc. | Spinal tissue distraction devices |
US8366773B2 (en) | 2005-08-16 | 2013-02-05 | Benvenue Medical, Inc. | Apparatus and method for treating bone |
US8591583B2 (en) | 2005-08-16 | 2013-11-26 | Benvenue Medical, Inc. | Devices for treating the spine |
WO2007024990A2 (en) * | 2005-08-23 | 2007-03-01 | Kim Richard C | Expandable implant device with interchangeable spacer |
FR2891135B1 (en) | 2005-09-23 | 2008-09-12 | Ldr Medical Sarl | INTERVERTEBRAL DISC PROSTHESIS |
US7618459B2 (en) * | 2005-09-26 | 2009-11-17 | Infinity Orthopedics Ltd. | Universal spinal disc implant system |
US8070813B2 (en) * | 2005-09-26 | 2011-12-06 | Coalign Innovations, Inc. | Selectively expanding spine cage, hydraulically controllable in three dimensions for vertebral body replacement |
US7985256B2 (en) | 2005-09-26 | 2011-07-26 | Coalign Innovations, Inc. | Selectively expanding spine cage, hydraulically controllable in three dimensions for enhanced spinal fusion |
US9028550B2 (en) | 2005-09-26 | 2015-05-12 | Coalign Innovations, Inc. | Selectively expanding spine cage with enhanced bone graft infusion |
FR2893838B1 (en) | 2005-11-30 | 2008-08-08 | Ldr Medical Soc Par Actions Si | PROSTHESIS OF INTERVERTEBRAL DISC AND INSTRUMENTATION OF INSERTION OF THE PROSTHESIS BETWEEN VERTEBRATES |
US8118869B2 (en) | 2006-03-08 | 2012-02-21 | Flexuspine, Inc. | Dynamic interbody device |
US20070270961A1 (en) * | 2006-04-25 | 2007-11-22 | Sdgi Holdings, Inc. | Spinal implant with deployable and retractable barbs |
US7981157B2 (en) * | 2006-04-27 | 2011-07-19 | Warsaw Orthopedic, Inc. | Self-contained expandable implant and method |
EP2085056A3 (en) * | 2006-04-28 | 2009-08-19 | Concept Matrix, LLC | Dual composition vertebral fixation device |
JP5542273B2 (en) | 2006-05-01 | 2014-07-09 | スタウト メディカル グループ,エル.ピー. | Expandable support device and method of use |
US20070260314A1 (en) * | 2006-05-02 | 2007-11-08 | Ashok Biyani | Transforaminal lumbar interbody fusion cage |
US20070288091A1 (en) * | 2006-05-31 | 2007-12-13 | Braddock Danny H | Intervertebral lordatic adapter |
US20070288092A1 (en) * | 2006-06-01 | 2007-12-13 | Bambakidis Nicholas | Expandable intervertebral implant and method |
USD741488S1 (en) | 2006-07-17 | 2015-10-20 | Nuvasive, Inc. | Spinal fusion implant |
US8998990B2 (en) | 2006-07-24 | 2015-04-07 | DePuy Synthes Products, LLC | Intervertebral implant with keel |
WO2008016872A2 (en) | 2006-07-31 | 2008-02-07 | Synthes (U.S.A.) | Drilling/milling guide and keel cut preparation system |
US20080051902A1 (en) * | 2006-08-10 | 2008-02-28 | James Dwyer | Modular intervertebral disc prosthesis and method of replacing an intervertebral disc |
US9526525B2 (en) | 2006-08-22 | 2016-12-27 | Neuropro Technologies, Inc. | Percutaneous system for dynamic spinal stabilization |
ES2607224T3 (en) | 2006-09-20 | 2017-03-29 | Woodwelding Ag | Device for implantation in human or animal tissue and method to implant and assemble the device |
EP2086434B1 (en) | 2006-09-27 | 2016-03-23 | Arthrex, Inc. | Apparatus for performing an open wedge, high tibial osteotomy |
US20080082172A1 (en) * | 2006-09-29 | 2008-04-03 | Jackson Roger P | Interspinous process spacer |
US8066750B2 (en) | 2006-10-06 | 2011-11-29 | Warsaw Orthopedic, Inc | Port structures for non-rigid bone plates |
US9737414B2 (en) | 2006-11-21 | 2017-08-22 | Vertebral Technologies, Inc. | Methods and apparatus for minimally invasive modular interbody fusion devices |
WO2008066756A2 (en) * | 2006-11-22 | 2008-06-05 | Ibalance Medical, Inc. | Method and apparatus for performing an open wedge, high tibial osteotomy |
US20080208197A1 (en) * | 2006-11-30 | 2008-08-28 | Kelly Ammann | Method and apparatus for performing an open wedge, high tibial osteotomy |
WO2008070027A2 (en) * | 2006-12-01 | 2008-06-12 | Ibalance Medical, Inc. | Method and apparatus for performing an open wedge, low femoral osteotomy |
US7896884B2 (en) * | 2006-12-01 | 2011-03-01 | Aesculap, Inc. | Interbody distractor |
US8105382B2 (en) | 2006-12-07 | 2012-01-31 | Interventional Spine, Inc. | Intervertebral implant |
US20080161929A1 (en) | 2006-12-29 | 2008-07-03 | Mccormack Bruce | Cervical distraction device |
US9265532B2 (en) | 2007-01-11 | 2016-02-23 | Lanx, Inc. | Interspinous implants and methods |
US8597358B2 (en) | 2007-01-19 | 2013-12-03 | Flexuspine, Inc. | Dynamic interbody devices |
WO2008100856A2 (en) | 2007-02-12 | 2008-08-21 | Osteotech, Inc. | Joint revision implant |
US8465546B2 (en) | 2007-02-16 | 2013-06-18 | Ldr Medical | Intervertebral disc prosthesis insertion assemblies |
EP2124778B1 (en) | 2007-02-21 | 2019-09-25 | Benvenue Medical, Inc. | Devices for treating the spine |
FR2914180B1 (en) * | 2007-03-28 | 2010-02-12 | David Attia | EXPANSIVE CAGE FOR VERTEBRAL SURGERY. |
US8137401B2 (en) * | 2007-03-30 | 2012-03-20 | Depuy Spine, Inc. | Intervertebral device having expandable endplates |
US8273124B2 (en) | 2007-05-17 | 2012-09-25 | Depuy Spine, Inc. | Self-distracting cage |
US7967867B2 (en) | 2007-05-31 | 2011-06-28 | Spine Wave, Inc. | Expandable interbody fusion device |
FR2916956B1 (en) | 2007-06-08 | 2012-12-14 | Ldr Medical | INTERSOMATIC CAGE, INTERVERTEBRAL PROSTHESIS, ANCHORING DEVICE AND IMPLANTATION INSTRUMENTATION |
US8900307B2 (en) | 2007-06-26 | 2014-12-02 | DePuy Synthes Products, LLC | Highly lordosed fusion cage |
US8864829B1 (en) | 2007-07-02 | 2014-10-21 | Theken Spine, Llc | Spinal cage having deployable member |
US8142508B1 (en) | 2007-07-02 | 2012-03-27 | Theken Spine, Llc | Spinal cage having deployable member which is removable |
US8292958B1 (en) | 2007-07-02 | 2012-10-23 | Theken Spine, Llc | Spinal cage having deployable member |
US10342674B2 (en) | 2007-07-02 | 2019-07-09 | Theken Spine, Llc | Spinal cage having deployable member |
US8545562B1 (en) | 2007-07-02 | 2013-10-01 | Theken Spine, Llc | Deployable member for use with an intervertebral cage |
US7867263B2 (en) * | 2007-08-07 | 2011-01-11 | Transcorp, Inc. | Implantable bone plate system and related method for spinal repair |
US20090099568A1 (en) * | 2007-08-07 | 2009-04-16 | David Lowry | Device and method for variably adjusting intervertebral distraction and lordosis |
US8709054B2 (en) | 2007-08-07 | 2014-04-29 | Transcorp, Inc. | Implantable vertebral frame systems and related methods for spinal repair |
US20090043391A1 (en) | 2007-08-09 | 2009-02-12 | Spinalmotion, Inc. | Customized Intervertebral Prosthetic Disc with Shock Absorption |
WO2009036360A1 (en) * | 2007-09-13 | 2009-03-19 | Transcorp, Inc. | Device and method for tissue retraction in spinal surgery |
EP2194890A1 (en) * | 2007-09-13 | 2010-06-16 | Transcorp, Inc. | Transcorporeal spinal decompression and repair system and related method |
US8430882B2 (en) | 2007-09-13 | 2013-04-30 | Transcorp, Inc. | Transcorporeal spinal decompression and repair systems and related methods |
WO2009045912A2 (en) * | 2007-09-28 | 2009-04-09 | Transcorp, Inc. | Vertebrally-mounted tissue retractor and method for use in spinal surgery |
US8162994B2 (en) | 2007-10-22 | 2012-04-24 | Flexuspine, Inc. | Posterior stabilization system with isolated, dual dampener systems |
US8523912B2 (en) | 2007-10-22 | 2013-09-03 | Flexuspine, Inc. | Posterior stabilization systems with shared, dual dampener systems |
US8187330B2 (en) * | 2007-10-22 | 2012-05-29 | Flexuspine, Inc. | Dampener system for a posterior stabilization system with a variable length elongated member |
US8157844B2 (en) | 2007-10-22 | 2012-04-17 | Flexuspine, Inc. | Dampener system for a posterior stabilization system with a variable length elongated member |
US8182514B2 (en) | 2007-10-22 | 2012-05-22 | Flexuspine, Inc. | Dampener system for a posterior stabilization system with a fixed length elongated member |
US8267965B2 (en) | 2007-10-22 | 2012-09-18 | Flexuspine, Inc. | Spinal stabilization systems with dynamic interbody devices |
US8267997B2 (en) | 2007-11-12 | 2012-09-18 | Theken Spine, Llc | Vertebral interbody compression implant |
EP2227181A1 (en) | 2007-11-27 | 2010-09-15 | Transcorp, Inc. | Methods and systems for repairing an intervertebral disc using a transcorporal approach |
US7799056B2 (en) * | 2007-12-31 | 2010-09-21 | Warsaw Orthopedic, Inc. | Bone fusion device and methods |
US7985231B2 (en) | 2007-12-31 | 2011-07-26 | Kyphon Sarl | Bone fusion device and methods |
US9005288B2 (en) | 2008-01-09 | 2015-04-14 | Providence Medical Techonlogy, Inc. | Methods and apparatus for accessing and treating the facet joint |
WO2009092030A1 (en) * | 2008-01-16 | 2009-07-23 | Life Spine, Inc. | Spinal inetrbody fusion cages providing variable anterior/posterior profieles |
EP2471493A1 (en) | 2008-01-17 | 2012-07-04 | Synthes GmbH | An expandable intervertebral implant and associated method of manufacturing the same |
US8992620B2 (en) | 2008-12-10 | 2015-03-31 | Coalign Innovations, Inc. | Adjustable distraction cage with linked locking mechanisms |
US8932355B2 (en) | 2008-02-22 | 2015-01-13 | Coalign Innovations, Inc. | Spinal implant with expandable fixation |
US20100145455A1 (en) * | 2008-12-10 | 2010-06-10 | Innvotec Surgical, Inc. | Lockable spinal implant |
US8696751B2 (en) * | 2008-12-10 | 2014-04-15 | Coalign Innovations, Inc. | Adjustable distraction cage with linked locking mechanisms |
US8267939B2 (en) * | 2008-02-28 | 2012-09-18 | Stryker Spine | Tool for implanting expandable intervertebral implant |
CA2717635C (en) * | 2008-03-07 | 2015-12-29 | Synthes Usa, Llc | Expandable interbody spacer device |
US8795365B2 (en) * | 2008-03-24 | 2014-08-05 | Warsaw Orthopedic, Inc | Expandable devices for emplacement in body parts and methods associated therewith |
KR20110003475A (en) | 2008-04-05 | 2011-01-12 | 신세스 게엠바하 | Expandable intervertebral implant |
WO2009125242A1 (en) * | 2008-04-08 | 2009-10-15 | Vexim | Apparatus for restoration of the spine and methods of use thereof |
EP2293742A1 (en) * | 2008-05-26 | 2011-03-16 | Medtech Research | Intersomatic cage |
US9333086B2 (en) | 2008-06-06 | 2016-05-10 | Providence Medical Technology, Inc. | Spinal facet cage implant |
WO2010030994A2 (en) | 2008-06-06 | 2010-03-18 | Providence Medical Technology, Inc. | Cervical distraction/implant delivery device |
US11224521B2 (en) | 2008-06-06 | 2022-01-18 | Providence Medical Technology, Inc. | Cervical distraction/implant delivery device |
US9381049B2 (en) | 2008-06-06 | 2016-07-05 | Providence Medical Technology, Inc. | Composite spinal facet implant with textured surfaces |
US8267966B2 (en) | 2008-06-06 | 2012-09-18 | Providence Medical Technology, Inc. | Facet joint implants and delivery tools |
WO2009148619A2 (en) | 2008-06-06 | 2009-12-10 | Providence Medical Technology, Inc. | Facet joint implants and delivery tools |
US8361152B2 (en) | 2008-06-06 | 2013-01-29 | Providence Medical Technology, Inc. | Facet joint implants and delivery tools |
WO2010025408A2 (en) * | 2008-08-28 | 2010-03-04 | Synthes Usa, Llc | Bone-derived interspinous spacer |
WO2010056895A1 (en) | 2008-11-12 | 2010-05-20 | Stout Medical Group, L.P. | Fixation device and method |
US20100211176A1 (en) | 2008-11-12 | 2010-08-19 | Stout Medical Group, L.P. | Fixation device and method |
US8308804B2 (en) * | 2008-11-14 | 2012-11-13 | David Krueger | Spinal fusion device |
US9526628B2 (en) | 2008-11-14 | 2016-12-27 | David Krueger | Spinal fusion device |
CA2747660A1 (en) | 2008-12-22 | 2010-07-01 | Synthes Usa, Llc | Orthopedic implant with flexible keel |
US8182533B2 (en) * | 2009-01-19 | 2012-05-22 | Richard Perkins | Annular repair device and method |
US9066816B2 (en) * | 2009-01-21 | 2015-06-30 | Warsaw Orthopedic, Inc. | Spinal nucleus replacement implants |
MX2011009336A (en) | 2009-03-12 | 2012-02-28 | Vexim | Apparatus for bone restoration of the spine and methods of use. |
US8535327B2 (en) | 2009-03-17 | 2013-09-17 | Benvenue Medical, Inc. | Delivery apparatus for use with implantable medical devices |
US9526620B2 (en) * | 2009-03-30 | 2016-12-27 | DePuy Synthes Products, Inc. | Zero profile spinal fusion cage |
MX2011010375A (en) | 2009-03-31 | 2012-02-23 | Lanx Inc | Spinous process implants and associated methods. |
US20100286777A1 (en) * | 2009-05-08 | 2010-11-11 | Stryker Spine | Stand alone anterior cage |
US9642722B2 (en) * | 2009-07-02 | 2017-05-09 | Atlas Spine, Inc. | Intervertebral expandable spacer |
CN105342683B (en) | 2009-07-06 | 2018-02-13 | 斯恩蒂斯有限公司 | Expandable fixation assemblies |
WO2011007240A1 (en) * | 2009-07-14 | 2011-01-20 | Medtech Research Sa | Interbody cage |
US20110029085A1 (en) * | 2009-07-31 | 2011-02-03 | Warsaw Orthopedic, Inc. | Flexible spinal implant |
EP2477579B1 (en) | 2009-09-17 | 2015-12-23 | LDR Holding Corporation | Intervertebral implant having extendable bone fixation members |
US10973656B2 (en) | 2009-09-18 | 2021-04-13 | Spinal Surgical Strategies, Inc. | Bone graft delivery system and method for using same |
US8906028B2 (en) | 2009-09-18 | 2014-12-09 | Spinal Surgical Strategies, Llc | Bone graft delivery device and method of using the same |
US10245159B1 (en) | 2009-09-18 | 2019-04-02 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
USD731063S1 (en) | 2009-10-13 | 2015-06-02 | Nuvasive, Inc. | Spinal fusion implant |
US10327917B2 (en) * | 2009-10-15 | 2019-06-25 | Globus Medical, Inc. | Expandable fusion device and method of installation thereof |
US11344430B2 (en) * | 2009-10-15 | 2022-05-31 | Globus Medical, Inc. | Expandable fusion device and method of installation thereof |
US8062375B2 (en) * | 2009-10-15 | 2011-11-22 | Globus Medical, Inc. | Expandable fusion device and method of installation thereof |
US9155628B2 (en) * | 2009-10-15 | 2015-10-13 | Globus Medical, Inc. | Expandable fusion device and method of installation thereof |
US11103366B2 (en) * | 2009-10-15 | 2021-08-31 | Globus Medical, Inc. | Expandable fusion device and method of installation thereof |
US10098758B2 (en) * | 2009-10-15 | 2018-10-16 | Globus Medical, Inc. | Expandable fusion device and method of installation thereof |
WO2011060071A1 (en) * | 2009-11-10 | 2011-05-19 | Medivest, Llc | Tissue spacer implant, implant tool, and methods of use thereof |
US9168138B2 (en) | 2009-12-09 | 2015-10-27 | DePuy Synthes Products, Inc. | Aspirating implants and method of bony regeneration |
US9393129B2 (en) | 2009-12-10 | 2016-07-19 | DePuy Synthes Products, Inc. | Bellows-like expandable interbody fusion cage |
US20110153020A1 (en) * | 2009-12-17 | 2011-06-23 | Custom Spine, Inc. | Anterior Lumbar Interbody |
BR112012016296A2 (en) | 2009-12-31 | 2017-03-21 | Ldr Medical | anchorage device, intervertebral implant and implantation instrument |
US8894711B2 (en) * | 2010-01-11 | 2014-11-25 | Innova Spinal Technologies, Llc | Expandable intervertebral implant and associated surgical method |
US8894712B2 (en) * | 2010-01-11 | 2014-11-25 | Innova Spinal Technologies, Llc | Expandable intervertebral implant and associated surgical method |
US8795366B2 (en) * | 2010-01-11 | 2014-08-05 | Innova Spinal Technologies, Llc | Expandable intervertebral implant and associated surgical method |
US8523946B1 (en) | 2010-02-06 | 2013-09-03 | Karl W. Swann | Stand-alone spinal cage |
WO2011116136A1 (en) | 2010-03-16 | 2011-09-22 | Pinnacle Spine Group, Llc | Intervertebral implants and graft delivery systems and methods |
US8535380B2 (en) | 2010-05-13 | 2013-09-17 | Stout Medical Group, L.P. | Fixation device and method |
US8425569B2 (en) | 2010-05-19 | 2013-04-23 | Transcorp, Inc. | Implantable vertebral frame systems and related methods for spinal repair |
US8979860B2 (en) | 2010-06-24 | 2015-03-17 | DePuy Synthes Products. LLC | Enhanced cage insertion device |
US9592063B2 (en) | 2010-06-24 | 2017-03-14 | DePuy Synthes Products, Inc. | Universal trial for lateral cages |
KR101130293B1 (en) * | 2010-06-28 | 2012-03-22 | (주)지온메드 | Intervertebral fusion cage |
TW201215379A (en) | 2010-06-29 | 2012-04-16 | Synthes Gmbh | Distractible intervertebral implant |
EP2608747A4 (en) | 2010-08-24 | 2015-02-11 | Flexmedex Llc | Support device and method for use |
US20120078373A1 (en) | 2010-09-23 | 2012-03-29 | Thomas Gamache | Stand alone intervertebral fusion device |
US20120078372A1 (en) | 2010-09-23 | 2012-03-29 | Thomas Gamache | Novel implant inserter having a laterally-extending dovetail engagement feature |
US9402732B2 (en) | 2010-10-11 | 2016-08-02 | DePuy Synthes Products, Inc. | Expandable interspinous process spacer implant |
US20120116457A1 (en) * | 2010-11-06 | 2012-05-10 | Limited Liability Company; | Stabilizer for assisting stabilization of a spinal implant and method of using the stabilizer |
US9149286B1 (en) | 2010-11-12 | 2015-10-06 | Flexmedex, LLC | Guidance tool and method for use |
US8496713B2 (en) | 2010-12-10 | 2013-07-30 | Globus Medical, Inc. | Spine stabilization device and methods |
US9308099B2 (en) | 2011-02-14 | 2016-04-12 | Imds Llc | Expandable intervertebral implants and instruments |
US8918931B1 (en) * | 2011-02-23 | 2014-12-30 | SimpleIdeas, LLC | Bed accessory |
US8518087B2 (en) | 2011-03-10 | 2013-08-27 | Interventional Spine, Inc. | Method and apparatus for minimally invasive insertion of intervertebral implants |
US8394129B2 (en) | 2011-03-10 | 2013-03-12 | Interventional Spine, Inc. | Method and apparatus for minimally invasive insertion of intervertebral implants |
US8388687B2 (en) | 2011-03-25 | 2013-03-05 | Flexuspine, Inc. | Interbody device insertion systems and methods |
JP5847289B2 (en) | 2011-04-07 | 2016-01-20 | ヴェクシム ソシエテアノニム | Expandable orthopedic device |
WO2012178018A2 (en) | 2011-06-24 | 2012-12-27 | Benvenue Medical, Inc. | Devices and methods for treating bone tissue |
WO2013023098A1 (en) | 2011-08-09 | 2013-02-14 | Neuropro Spinal Jaxx Inc. | Bone fusion device, apparatus and method |
US10420654B2 (en) | 2011-08-09 | 2019-09-24 | Neuropro Technologies, Inc. | Bone fusion device, system and method |
WO2013023096A1 (en) | 2011-08-09 | 2013-02-14 | Neuropro Technologies, Inc. | Bone fusion device, system and method |
EP2729092B1 (en) | 2011-08-16 | 2016-09-21 | Stryker European Holdings I, LLC | Expandable implant |
EP2747682A4 (en) | 2011-08-23 | 2015-01-21 | Flexmedex Llc | Tissue removal device and method |
US9248028B2 (en) | 2011-09-16 | 2016-02-02 | DePuy Synthes Products, Inc. | Removable, bone-securing cover plate for intervertebral fusion cage |
US8454700B2 (en) | 2011-10-04 | 2013-06-04 | Zimmer Spine, Inc. | Interbody vertebral spacer |
US11812923B2 (en) | 2011-10-07 | 2023-11-14 | Alan Villavicencio | Spinal fixation device |
US8460388B2 (en) * | 2011-10-28 | 2013-06-11 | Incite Innovation Llc | Spinal interbody device |
US9380932B1 (en) | 2011-11-02 | 2016-07-05 | Pinnacle Spine Group, Llc | Retractor devices for minimally invasive access to the spine |
US9526627B2 (en) * | 2011-11-17 | 2016-12-27 | Exactech, Inc. | Expandable interbody device system and method |
US8628578B2 (en) * | 2011-12-19 | 2014-01-14 | Warsaw Orthopedic, Inc. | Expandable interbody implant and methods of use |
US9445919B2 (en) | 2011-12-19 | 2016-09-20 | Warsaw Orthopedic, Inc. | Expandable interbody implant and methods of use |
US9198764B2 (en) * | 2012-01-31 | 2015-12-01 | Blackstone Medical, Inc. | Intervertebral disc prosthesis and method |
US8512409B1 (en) | 2012-02-10 | 2013-08-20 | Integral Spine Solutions, Inc. | Implant with outwardly extending fixation elements |
FR2987256B1 (en) | 2012-02-24 | 2014-08-08 | Ldr Medical | ANCHORING DEVICE FOR INTERVERTEBRAL IMPLANT, INTERVERTEBRAL IMPLANT AND IMPLANTATION INSTRUMENTATION |
US9510953B2 (en) | 2012-03-16 | 2016-12-06 | Vertebral Technologies, Inc. | Modular segmented disc nucleus implant |
US9693876B1 (en) | 2012-03-30 | 2017-07-04 | Ali H. MESIWALA | Spinal fusion implant and related methods |
US9532883B2 (en) | 2012-04-13 | 2017-01-03 | Neuropro Technologies, Inc. | Bone fusion device |
US10159583B2 (en) | 2012-04-13 | 2018-12-25 | Neuropro Technologies, Inc. | Bone fusion device |
US9622876B1 (en) | 2012-04-25 | 2017-04-18 | Theken Spine, Llc | Expandable support device and method of use |
US9283084B1 (en) * | 2012-07-24 | 2016-03-15 | Thomas E. O'Hara | Spinal fusion cage and vertebral body clamp |
WO2014018098A1 (en) | 2012-07-26 | 2014-01-30 | DePuy Synthes Products, LLC | Expandable implant |
US10154914B2 (en) | 2012-08-08 | 2018-12-18 | Spectrum Spine Ip Holdings, Llc | Expandable intervertebral cage assemblies |
WO2014025901A2 (en) | 2012-08-08 | 2014-02-13 | Robinson James C | Expandable intervertebral cage assemblies and methods |
US20160022434A1 (en) | 2012-08-08 | 2016-01-28 | James C. Robinson | Expandable intervertebral cage assemblies |
WO2014026041A2 (en) * | 2012-08-08 | 2014-02-13 | Robinson James C | Expandable dlif cage assemblies and methods |
US20140067069A1 (en) | 2012-08-30 | 2014-03-06 | Interventional Spine, Inc. | Artificial disc |
US9987142B2 (en) | 2012-08-31 | 2018-06-05 | Institute for Musculoskeletal Science and Education, Ltd. | Fixation devices for anterior lumbar or cervical interbody fusion |
US9498349B2 (en) * | 2012-10-09 | 2016-11-22 | Titan Spine, Llc | Expandable spinal implant with expansion wedge and anchor |
USD745156S1 (en) | 2012-10-23 | 2015-12-08 | Providence Medical Technology, Inc. | Spinal implant |
USD732667S1 (en) | 2012-10-23 | 2015-06-23 | Providence Medical Technology, Inc. | Cage spinal implant |
US9839527B2 (en) * | 2012-10-24 | 2017-12-12 | Spectrum Spine Ip Holdings, Llc | Expandable inter-body fusion devices and methods |
US8663332B1 (en) | 2012-12-13 | 2014-03-04 | Ouroboros Medical, Inc. | Bone graft distribution system |
US9782265B2 (en) * | 2013-02-15 | 2017-10-10 | Globus Medical, Inc | Articulating and expandable vertebral implant |
US9492288B2 (en) | 2013-02-20 | 2016-11-15 | Flexuspine, Inc. | Expandable fusion device for positioning between adjacent vertebral bodies |
US9717601B2 (en) | 2013-02-28 | 2017-08-01 | DePuy Synthes Products, Inc. | Expandable intervertebral implant, system, kit and method |
US9522070B2 (en) | 2013-03-07 | 2016-12-20 | Interventional Spine, Inc. | Intervertebral implant |
US10342675B2 (en) * | 2013-03-11 | 2019-07-09 | Stryker European Holdings I, Llc | Expandable implant |
US9277928B2 (en) | 2013-03-11 | 2016-03-08 | Interventional Spine, Inc. | Method and apparatus for minimally invasive insertion of intervertebral implants |
US8864830B2 (en) | 2013-03-12 | 2014-10-21 | Spine Wave, Inc. | Apparatus and methods for inserting an interbody fusion device |
US9456908B2 (en) | 2013-03-12 | 2016-10-04 | Coorstek Medical Llc | Fusion cage |
US9993353B2 (en) | 2013-03-14 | 2018-06-12 | DePuy Synthes Products, Inc. | Method and apparatus for minimally invasive insertion of intervertebral implants |
US9861495B2 (en) * | 2013-03-14 | 2018-01-09 | Raed M. Ali, M.D., Inc. | Lateral interbody fusion devices, systems and methods |
WO2014159739A1 (en) | 2013-03-14 | 2014-10-02 | Pinnacle Spine Group, Llc | Interbody implants and graft delivery systems |
US10687962B2 (en) * | 2013-03-14 | 2020-06-23 | Raed M. Ali, M.D., Inc. | Interbody fusion devices, systems and methods |
US10085783B2 (en) | 2013-03-14 | 2018-10-02 | Izi Medical Products, Llc | Devices and methods for treating bone tissue |
US9186258B2 (en) * | 2013-03-15 | 2015-11-17 | Globus Medical, Inc. | Expandable intervertebral implant |
US9539103B2 (en) * | 2013-03-15 | 2017-01-10 | Globus Medical, Inc. | Expandable intervertebral implant |
US11311312B2 (en) | 2013-03-15 | 2022-04-26 | Medtronic, Inc. | Subcutaneous delivery tool |
WO2014145766A1 (en) * | 2013-03-15 | 2014-09-18 | Paradigm Spine, Llc | Modular, customizable spine stabilization system |
US10098757B2 (en) | 2013-03-15 | 2018-10-16 | Neuropro Technologies Inc. | Bodiless bone fusion device, apparatus and method |
JP2016513577A (en) * | 2013-03-15 | 2016-05-16 | リビボ メディカル エルエルシーReVivo Medical, LLC | Intervertebral disc cage and method of treating vertebrae using the intervertebral disc cage |
US9149367B2 (en) | 2013-03-15 | 2015-10-06 | Globus Medical Inc | Expandable intervertebral implant |
WO2014152337A1 (en) * | 2013-03-15 | 2014-09-25 | Robinson James C | Expandable inter-body fusion devices and methods |
US9421110B2 (en) * | 2013-05-10 | 2016-08-23 | Sidewinder Medical Products Llc | Expandable spinal fusion cage |
FR3005569B1 (en) | 2013-05-16 | 2021-09-03 | Ldr Medical | VERTEBRAL IMPLANT, VERTEBRAL IMPLANT FIXATION DEVICE AND IMPLANTATION INSTRUMENTATION |
US9393130B2 (en) | 2013-05-20 | 2016-07-19 | K2M, Inc. | Adjustable implant and insertion tool |
US9788971B1 (en) | 2013-05-22 | 2017-10-17 | Nuvasive, Inc. | Expandable fusion implant and related methods |
US9180022B2 (en) * | 2013-06-28 | 2015-11-10 | DePuy Synthes Products, Inc. | Spinal alignment clip |
US9427325B2 (en) * | 2013-07-26 | 2016-08-30 | Warsaw Orthopedic, Inc. | Interbody implant and method |
US9801734B1 (en) | 2013-08-09 | 2017-10-31 | Nuvasive, Inc. | Lordotic expandable interbody implant |
US9186259B2 (en) * | 2013-09-09 | 2015-11-17 | Ouroboros Medical, Inc. | Expandable trials |
US9101489B2 (en) | 2013-10-07 | 2015-08-11 | Spine Wave, Inc. | Expandable anterior lumbar interbody fusion device |
FR3015221B1 (en) | 2013-12-23 | 2017-09-01 | Vexim | EXPANSIBLE INTRAVERTEBRAL IMPLANT SYSTEM WITH POSTERIOR PEDICULAR FIXATION |
FR3016793B1 (en) | 2014-01-30 | 2021-05-07 | Ldr Medical | ANCHORING DEVICE FOR SPINAL IMPLANT, SPINAL IMPLANT AND IMPLANTATION INSTRUMENTATION |
US9517144B2 (en) | 2014-04-24 | 2016-12-13 | Exactech, Inc. | Limited profile intervertebral implant with incorporated fastening mechanism |
US10398565B2 (en) | 2014-04-24 | 2019-09-03 | Choice Spine, Llc | Limited profile intervertebral implant with incorporated fastening and locking mechanism |
FR3020756B1 (en) | 2014-05-06 | 2022-03-11 | Ldr Medical | VERTEBRAL IMPLANT, VERTEBRAL IMPLANT FIXATION DEVICE AND IMPLANT INSTRUMENTATION |
WO2015184018A1 (en) | 2014-05-28 | 2015-12-03 | Providence Medical Technology, Inc. | Lateral mass fixation system |
US9585650B2 (en) | 2014-05-29 | 2017-03-07 | Warsaw Orthopedic, Inc. | Surgical spacer instrument and method |
AU2015269383B2 (en) | 2014-06-04 | 2017-12-07 | Wenzel Spine, Inc. | Bilaterally expanding intervertebral body fusion device |
US9427331B2 (en) * | 2014-07-15 | 2016-08-30 | Apifix Ltd. | Spinal cage |
US10034769B2 (en) | 2014-08-26 | 2018-07-31 | Atlas Spine, Inc. | Spinal implant device |
US9585762B2 (en) | 2014-10-09 | 2017-03-07 | K2M, Inc. | Expandable spinal interbody spacer and method of use |
US10363142B2 (en) | 2014-12-11 | 2019-07-30 | K2M, Inc. | Expandable spinal implants |
US9060876B1 (en) | 2015-01-20 | 2015-06-23 | Ouroboros Medical, Inc. | Stabilized intervertebral scaffolding systems |
US11426290B2 (en) | 2015-03-06 | 2022-08-30 | DePuy Synthes Products, Inc. | Expandable intervertebral implant, system, kit and method |
US10765532B2 (en) * | 2015-05-21 | 2020-09-08 | Globus Medical, Inc. | Device and method for deployment of an anchoring device for intervertebral spinal fusion |
US9707100B2 (en) | 2015-06-25 | 2017-07-18 | Institute for Musculoskeletal Science and Education, Ltd. | Interbody fusion device and system for implantation |
US9913727B2 (en) | 2015-07-02 | 2018-03-13 | Medos International Sarl | Expandable implant |
US10105238B2 (en) | 2015-08-25 | 2018-10-23 | Imds Llc | Expandable intervertebral implants |
US10682243B2 (en) | 2015-10-13 | 2020-06-16 | Providence Medical Technology, Inc. | Spinal joint implant delivery device and system |
USD841165S1 (en) | 2015-10-13 | 2019-02-19 | Providence Medical Technology, Inc. | Cervical cage |
WO2017117513A1 (en) | 2015-12-30 | 2017-07-06 | Nuvasive, Inc. | Lordotic expandable fusion implant |
US10004608B2 (en) * | 2016-02-26 | 2018-06-26 | K2M, Inc. | Insertion instrument for expandable spinal implants |
EP3228282B1 (en) | 2016-04-07 | 2023-02-15 | Howmedica Osteonics Corp. | Expandable interbody implant |
AU2017203369B2 (en) | 2016-05-20 | 2022-04-28 | Howmedica Osteonics Corp. | Expandable interbody implant with lordosis correction |
TW201806562A (en) | 2016-06-28 | 2018-03-01 | 普羅維登斯醫療科技公司 | Spinal implant and methods of using the same |
CN109688980B (en) | 2016-06-28 | 2022-06-10 | Eit 新兴移植技术股份有限公司 | Expandable and angularly adjustable intervertebral cage with articulation joint |
EP4233801A3 (en) | 2016-06-28 | 2023-09-06 | Eit Emerging Implant Technologies GmbH | Expandable, angularly adjustable intervertebral cages |
USD887552S1 (en) | 2016-07-01 | 2020-06-16 | Providence Medical Technology, Inc. | Cervical cage |
US10258483B2 (en) | 2016-08-19 | 2019-04-16 | Degen Medical, Inc. | Laminate implantable medical devices |
AU2017228529B2 (en) | 2016-09-12 | 2022-03-10 | Howmedica Osteonics Corp. | Interbody implant with independent control of expansion at multiple locations |
US9883953B1 (en) | 2016-09-21 | 2018-02-06 | Integrity Implants Inc. | Stabilized laterovertically-expanding fusion cage systems with tensioner |
US10307265B2 (en) | 2016-10-18 | 2019-06-04 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with deployable blades |
US10449060B2 (en) | 2016-10-25 | 2019-10-22 | Institute for Musculoskeletal Science and Education, Ltd. | Spinal fusion implant |
US10405992B2 (en) * | 2016-10-25 | 2019-09-10 | Institute for Musculoskeletal Science and Education, Ltd. | Spinal fusion implant |
WO2018081322A1 (en) | 2016-10-25 | 2018-05-03 | Imds Llc | Methods and instrumentation for intervertebral cage expansion |
AU2017251734B2 (en) | 2016-10-26 | 2022-10-20 | Howmedica Osteonics Corp. | Expandable interbody implant with lateral articulation |
US10537436B2 (en) | 2016-11-01 | 2020-01-21 | DePuy Synthes Products, Inc. | Curved expandable cage |
US10888433B2 (en) | 2016-12-14 | 2021-01-12 | DePuy Synthes Products, Inc. | Intervertebral implant inserter and related methods |
JP7085554B2 (en) | 2017-01-10 | 2022-06-16 | インテグリティ インプランツ インコーポレイテッド | Deployable intervertebral fusion device |
US10973657B2 (en) | 2017-01-18 | 2021-04-13 | Neuropro Technologies, Inc. | Bone fusion surgical system and method |
US10111760B2 (en) | 2017-01-18 | 2018-10-30 | Neuropro Technologies, Inc. | Bone fusion system, device and method including a measuring mechanism |
US10213321B2 (en) | 2017-01-18 | 2019-02-26 | Neuropro Technologies, Inc. | Bone fusion system, device and method including delivery apparatus |
US10729560B2 (en) | 2017-01-18 | 2020-08-04 | Neuropro Technologies, Inc. | Bone fusion system, device and method including an insertion instrument |
US10111755B2 (en) | 2017-02-24 | 2018-10-30 | Warsaw, Orthopedic, Inc. | Expanding interbody implant and articulating inserter and methods of use |
US10470894B2 (en) | 2017-04-06 | 2019-11-12 | Warsaw Orthopedic, Inc. | Expanding interbody implant and articulating inserter and methods of use |
US10398563B2 (en) | 2017-05-08 | 2019-09-03 | Medos International Sarl | Expandable cage |
JP2020521536A (en) | 2017-05-19 | 2020-07-27 | プロビデンス メディカル テクノロジー インコーポレイテッド | Spinal fixation access and delivery system |
US11344424B2 (en) | 2017-06-14 | 2022-05-31 | Medos International Sarl | Expandable intervertebral implant and related methods |
US10888430B2 (en) * | 2017-06-21 | 2021-01-12 | NVision Biomedical Technologies, LLC | Expandable/variable lordotic angle vertebral implant and reading system therefor |
US10940016B2 (en) | 2017-07-05 | 2021-03-09 | Medos International Sarl | Expandable intervertebral fusion cage |
CN111031969A (en) | 2017-07-24 | 2020-04-17 | 整体植入有限公司 | Surgical implant and related methods |
US10441430B2 (en) | 2017-07-24 | 2019-10-15 | K2M, Inc. | Expandable spinal implants |
US10709578B2 (en) | 2017-08-25 | 2020-07-14 | Integrity Implants Inc. | Surgical biologics delivery system and related methods |
US11801144B2 (en) | 2017-09-14 | 2023-10-31 | Degen Medical, Inc. | Methods of making medical devices |
EP3456294A1 (en) | 2017-09-15 | 2019-03-20 | Stryker European Holdings I, LLC | Intervertebral body fusion device expanded with hardening material |
US11013610B2 (en) | 2017-10-18 | 2021-05-25 | Spine Wave, Inc. | Expandable anterior lumbar interbody fusion device |
US11266449B2 (en) | 2017-12-19 | 2022-03-08 | Orthopediatrics Corp | Osteotomy device and methods |
WO2019136263A1 (en) | 2018-01-04 | 2019-07-11 | Providence Medical Technology, Inc. | Facet screw and delivery device |
US10945859B2 (en) | 2018-01-29 | 2021-03-16 | Amplify Surgical, Inc. | Expanding fusion cages |
WO2019165157A1 (en) | 2018-02-22 | 2019-08-29 | Warsaw Orthopedic, Inc. | Expandable spinal implant system and method of using same |
US11806250B2 (en) | 2018-02-22 | 2023-11-07 | Warsaw Orthopedic, Inc. | Expandable spinal implant system and method of using same |
EP3755272A4 (en) * | 2018-02-22 | 2021-11-17 | Warsaw Orthopedic, Inc. | Expandable spinal implant system and method of using same |
AU2019226567B2 (en) | 2018-03-01 | 2024-04-11 | Integrity Implants Inc. | Expandable fusion device with independent expansion systems |
WO2019173130A1 (en) * | 2018-03-03 | 2019-09-12 | K2M, Inc. | Interbody with extendible members |
US11135069B2 (en) * | 2018-03-06 | 2021-10-05 | Eit Emerging Implant Technologies Gmbh | Intervertebral cages with deployable anchors |
WO2019191745A1 (en) * | 2018-03-31 | 2019-10-03 | Life Spine, Inc. | Expandable wedge implant for osteotomies of the extremities |
US10849758B2 (en) | 2018-08-22 | 2020-12-01 | Institute for Musculoskeletal Science and Education, Ltd. | Spinal fusion implant |
US11446156B2 (en) | 2018-10-25 | 2022-09-20 | Medos International Sarl | Expandable intervertebral implant, inserter instrument, and related methods |
US11123198B2 (en) | 2018-11-13 | 2021-09-21 | Degen Medical, Inc. | Expandable spacers |
US11234829B2 (en) | 2019-01-21 | 2022-02-01 | Degen Medical, Inc. | Expandable intervertebral spacers |
US11219531B2 (en) | 2019-04-10 | 2022-01-11 | Wenzel Spine, Inc. | Rotatable intervertebral spacing implant |
USD933230S1 (en) | 2019-04-15 | 2021-10-12 | Providence Medical Technology, Inc. | Cervical cage |
USD948048S1 (en) | 2019-04-26 | 2022-04-05 | Warsaw Orthopedic, Inc. | Surgical implant |
USD955579S1 (en) | 2019-04-26 | 2022-06-21 | Warsaw Orthopedic, Inc. | Surgical implant |
US11331199B2 (en) * | 2019-04-29 | 2022-05-17 | Aurora Spine, Inc. | Spinal implant for motion preservation or fusion |
USD911525S1 (en) | 2019-06-21 | 2021-02-23 | Providence Medical Technology, Inc. | Spinal cage |
US11547575B2 (en) | 2019-09-27 | 2023-01-10 | Degen Medical, Inc. | Expandable intervertebral spacers |
USD945621S1 (en) | 2020-02-27 | 2022-03-08 | Providence Medical Technology, Inc. | Spinal cage |
US11426286B2 (en) | 2020-03-06 | 2022-08-30 | Eit Emerging Implant Technologies Gmbh | Expandable intervertebral implant |
US11291554B1 (en) | 2021-05-03 | 2022-04-05 | Medtronic, Inc. | Unibody dual expanding interbody implant |
US11376134B1 (en) | 2020-11-05 | 2022-07-05 | Warsaw Orthopedic, Inc. | Dual expanding spinal implant, system, and method of use |
US11833059B2 (en) | 2020-11-05 | 2023-12-05 | Warsaw Orthopedic, Inc. | Expandable inter-body device, expandable plate system, and associated methods |
US11638653B2 (en) | 2020-11-05 | 2023-05-02 | Warsaw Orthopedic, Inc. | Surgery instruments with a movable handle |
US11395743B1 (en) | 2021-05-04 | 2022-07-26 | Warsaw Orthopedic, Inc. | Externally driven expandable interbody and related methods |
US11285014B1 (en) | 2020-11-05 | 2022-03-29 | Warsaw Orthopedic, Inc. | Expandable inter-body device, system, and method |
US11517363B2 (en) | 2020-11-05 | 2022-12-06 | Warsaw Orthopedic, Inc. | Screw driver and complimentary screws |
US11517443B2 (en) | 2020-11-05 | 2022-12-06 | Warsaw Orthopedic, Inc. | Dual wedge expandable implant, system and method of use |
US11833061B2 (en) * | 2020-11-20 | 2023-12-05 | Zimmer Biomet Spine, Inc. | Expandable intervertebral implant with independent adjustments |
US11850160B2 (en) | 2021-03-26 | 2023-12-26 | Medos International Sarl | Expandable lordotic intervertebral fusion cage |
US11752009B2 (en) | 2021-04-06 | 2023-09-12 | Medos International Sarl | Expandable intervertebral fusion cage |
US11612499B2 (en) | 2021-06-24 | 2023-03-28 | Warsaw Orthopedic, Inc. | Expandable interbody implant |
US11730608B2 (en) | 2021-07-13 | 2023-08-22 | Warsaw Orthopedic, Inc. | Monoblock expandable interbody implant |
US11850163B2 (en) | 2022-02-01 | 2023-12-26 | Warsaw Orthopedic, Inc. | Interbody implant with adjusting shims |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2083754B (en) * | 1980-09-15 | 1984-04-26 | Rezaian Seyed Mahmoud | Spinal fixator |
GB8620937D0 (en) * | 1986-08-29 | 1986-10-08 | Shepperd J A N | Spinal implant |
US4834757A (en) * | 1987-01-22 | 1989-05-30 | Brantigan John W | Prosthetic implant |
US5015247A (en) * | 1988-06-13 | 1991-05-14 | Michelson Gary K | Threaded spinal implant |
CA1333209C (en) * | 1988-06-28 | 1994-11-29 | Gary Karlin Michelson | Artificial spinal fusion implants |
SU1560184A1 (en) * | 1988-07-29 | 1990-04-30 | Харьковский Научно-Исследовательский Институт Ортопедии И Травматологии Им.Проф.М.И.Ситенко | Endoprosthesis of spinal column segments |
FR2636227A1 (en) * | 1988-09-09 | 1990-03-16 | Fabrication Materiel Orthopedi | Inter-spinal-body device for holding a normal spacing between two vertebrae |
US5236460A (en) * | 1990-02-12 | 1993-08-17 | Midas Rex Pneumatic Tools, Inc. | Vertebral body prosthesis |
US5171278A (en) * | 1991-02-22 | 1992-12-15 | Madhavan Pisharodi | Middle expandable intervertebral disk implants |
US5123926A (en) * | 1991-02-22 | 1992-06-23 | Madhavan Pisharodi | Artificial spinal prosthesis |
EP0566810B1 (en) * | 1992-04-21 | 1996-08-14 | SULZER Medizinaltechnik AG | Artificial spinal disc |
FR2694882B1 (en) * | 1992-08-24 | 1994-10-21 | Sofamor | Intervertebral disc prosthesis. |
FR2707480B1 (en) * | 1993-06-28 | 1995-10-20 | Bisserie Michel | Intervertebral disc prosthesis. |
DE4328062A1 (en) * | 1993-08-20 | 1995-02-23 | Heinrich Ulrich | Implant to replace vertebral bodies and / or to stabilize and fix the spine |
FR2715293B1 (en) * | 1994-01-26 | 1996-03-22 | Biomat | Vertebral interbody fusion cage. |
-
1999
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-
2000
- 2000-03-30 CA CA002303547A patent/CA2303547C/en not_active Expired - Fee Related
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US6102950A (en) | 2000-08-15 |
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