WO2005102226A1 - Zwischenwirbelprothese oder bandscheibenprothese - Google Patents
Zwischenwirbelprothese oder bandscheibenprothese Download PDFInfo
- Publication number
- WO2005102226A1 WO2005102226A1 PCT/CH2004/000250 CH2004000250W WO2005102226A1 WO 2005102226 A1 WO2005102226 A1 WO 2005102226A1 CH 2004000250 W CH2004000250 W CH 2004000250W WO 2005102226 A1 WO2005102226 A1 WO 2005102226A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- intervertebral
- prosthesis
- cavity
- outlet openings
- bone cement
- Prior art date
Links
Classifications
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/441—Joints for the spine, e.g. vertebrae, spinal discs made of inflatable pockets or chambers filled with fluid, e.g. with hydrogel
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- 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
- A61F2/446—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 having a circular or elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30777—Oblong apertures
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
- A61F2002/30785—Plurality of holes parallel
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
- A61F2002/30789—Plurality of holes perpendicular with respect to each other
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2002/448—Joints for the spine, e.g. vertebrae, spinal discs comprising multiple adjacent spinal implants within the same intervertebral space or within the same vertebra, e.g. comprising two adjacent spinal implants
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4631—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
-
- 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
- A61F2310/00353—Bone cement, e.g. polymethylmethacrylate or PMMA
Definitions
- Intervertebral prosthesis or intervertebral disc prosthesis are intervertebral disc prosthesis
- the invention relates to an intervertebral prosthesis or intervertebral disc prosthesis according to the preamble of patent claim 1, in particular for arthrodesis surgery by posterior lumbar interbody fusion (PLIF), transfemoral lumbar interbody fusion (TLIF), extraforaminal lumbar interbody fusion (ELIF), ALIF (anterior lumbar interbody fusion) and ACIF (anterior ce ⁇ tical interbody fusion).
- PLIF posterior lumbar interbody fusion
- TLIF transfemoral lumbar interbody fusion
- ELIF extraforaminal lumbar interbody fusion
- ALIF anterior lumbar interbody fusion
- ACIF anterior ce ⁇ tical interbody fusion
- intervertebral spaces supplied with the known intervertebral implants often do not reach complete arthrodesis, i. they end in a pseudarthrosis.
- the situation is similar with cervical intervertebral implants for the cervical spine as well as those used by ventral accesses.
- Such intervertebral spaces are not mechanically stable, as one would expect from a stiffening. Returning pain with subsequent revision surgery can then be the consequences.
- the surgeon uses autologous bone material that he obtains from the resected vertebral body parts or through an additional intervention on the iliac crest.
- There Dorsal approaches to the disc space are very tight, the creation of the bone material is difficult.
- the surgeon can not ensure that the entire intervertebral space is filled with autologous bone. There is thus the danger that voids arise, which on the one hand allows the migration (migration) of the implant and on the other hand, the not filled with autologous bone material spaces are filled by a soft, fibrous tissue.
- the invention aims to remedy this situation. It is an object of the present invention to provide an intervertebral prosthesis or disc prosthesis which permits asymmetric exit of the bone cement so that individual regions between the vertebral bodies (e.g., the central and posterior zones) are automatically supplied with more bone cement than other regions.
- intervertebral prosthesis or intervertebral disc prosthesis in which the outlet openings are dimensioned differently large.
- the emerging through SL bone cement quantity KL is greater or less than that by S R emerging bone cement amount K R; or the quantity of bone cement KH emerging through SH is greater or smaller than the amount of bone cement Kv leaving through Sv.
- the outlet openings are dimensioned such that when a supply of flowable bone cement through the inlet opening into the cavity either the bone cement quantity K L exiting through SL is greater or smaller than the amount of bone cement KR leaving through SR or the amount of bone cement KH exiting through SH is greater than or equal to smaller than the amount of bone cement Kv leaving through Sv.
- the invention allows the filling of the intervertebral space with synthetic bone material (bone cement) after placement of the cage-like intervertebral prosthesis or intervertebral disc prosthesis.
- the implant is secured by the emergence and subsequent hardening of the flowable, hydraulic bone cement. Due to the asymmetrical arrangement of the outlet openings in the implant bone cement can be spread in a targeted manner.
- the prosthesis according to the invention also has the advantage of providing additional bone removal on the Pelvic crest of the patient, which causes long-lasting pain, makes superfluous.
- the inlet opening is mounted in the front side of the prosthesis and the cavity extends from the inlet opening towards the rear side.
- the inlet opening is mounted in the left or right side of the prosthesis and the cavity extends from the inlet opening in the direction of the opposite right or left side.
- the cross-section of the cavity decreases at least over a partial distance with increasing distance from the inlet opening.
- the cavity tapers, at least over a partial section, either wedge-shaped or conical.
- the upper and lower sides converge towards the front side at least at a partial distance.
- the prosthesis is at least partially filled with a hardened hydraulic bone cement that extends at least partially beyond the exit openings.
- the implant may consist of two juxtaposed intervertebral prostheses or intervertebral disc prostheses, with the right side of the left intervertebral prosthesis being oriented towards the left side of the intervertebral prosthesis arranged on the right.
- the condition S L > S R applies to the intervertebral prosthesis arranged on the left, and the condition SR> SL for the intervertebral prosthesis arranged on the right.
- the intervertebral prosthesis can be varied in many different ways, for example by using planar, concave, convex or even dome-shaped side walls.
- Particularly suitable as flowable, hydraulic bone cements are calcium phosphate cements, which can be injected into the implant in liquid form after mixing the two components and subsequently cure hydraulically.
- FIG. 1 shows a perspective view of a lenticular intervertebral implant according to the invention
- FIG. 2 shows a longitudinal section through the intervertebral implant according to FIG. 1 along the midplane VII-VIII;
- Fig. 3 is a right side view of the intervertebral implant of Fig. 1;
- FIG. 4 is a left side view of the intervertebral implant of FIG. 1; FIG.
- FIG. 5 is a perspective view of an inventive intervertebral prosthesis, which is secured by means of hardened bone cement.
- FIG. 6 shows a plan view of the intervertebral prosthesis according to FIG. 5;
- FIG. 7 shows a perspective view of a variant embodiment using two intervertebral implants, wherein the bone cement secures the implants against each other in their position as well as against a wandering apart;
- FIG. 8 shows a plan view of the two intervertebral implants according to FIG. 7;
- FIG. Fig. 9 is a front view of a variant embodiment in which the perforated intervertebral implant has a rectangular cross-section;
- Fig. 10 is a front view of an embodiment in which the perforated intervertebral implant has a circular cross-section.
- the intervertebral prosthesis 1 shown in Figs. 1 and 2 consists of a cuboid hollow body and has a front side 2, a rear side 3, a suitable for engagement with the base plate of a vertebral body upper side 4, suitable for bearing against the base plate of a vertebral body lower side 5, a right side 6, a left side 7, a cavity 8 suitable for receiving a flowable, hydraulic bone cement, an inlet opening 9 into the cavity 8 and a plurality of outlet openings 10, 11, 12, 13 from the cavity 8.
- the upper side 4 and the lower side 5 converge toward both the front side 2 and the rear side 3, resulting in a lens-like shape of the intervertebral prosthesis 1.
- the cross-section of the cavity 8 decreases with increasing distance from the inlet opening 9 in the form of a cone.
- FIGS. 5 and 6 show how the bone cement 20 emerging from the right side 6 and from the left side 7 of the intervertebral prosthesis 1 is distributed, and because of the greater sum SL of the cross sectional areas of the outlet openings 13 exiting from the left side 7 larger amount of bone cement 20 on the left side 7 emerges and hardens than on the right side 6.
- FIGS. 7 and 8 show a further embodiment which consists of two intervertebral prostheses 1 arranged next to each other according to the invention.
- the two intervertebral prostheses 1 are positioned such that the right side 6 of the intervertebral prosthesis 1 arranged on the left is oriented towards the left side 7 of the intervertebral prosthesis 1 arranged on the right.
- the condition S L > SR applies, while for the intervertebral prosthesis 1 arranged on the right, the inverse, namely S R > S L applies.
- FIG. 9 shows a variant embodiment of an intervertebral prosthesis 1 according to the invention, which has a rectangular cross section and in which a larger amount of bone cement 40 has escaped on the right side than on the left side.
- FIG. 10 shows a further embodiment variant of an intervertebral prosthesis 1 according to the invention, which has a circular cross section and in which a larger quantity of bone cement 40 has emerged through the outlet openings 12 on the right side than through the outlet openings 13 on the left side.
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/587,723 US8992618B2 (en) | 2004-04-26 | 2004-04-26 | Intervertebral prosthesis or disk prosthesis |
EP04729392.3A EP1740129B1 (de) | 2004-04-26 | 2004-04-26 | Zwischenwirbelprothese oder bandscheibenprothese |
PCT/CH2004/000250 WO2005102226A1 (de) | 2004-04-26 | 2004-04-26 | Zwischenwirbelprothese oder bandscheibenprothese |
US14/638,196 US9700432B2 (en) | 2004-04-26 | 2015-03-04 | Intervertebral prosthesis or disk prosthesis |
US14/692,878 US9408719B2 (en) | 2004-04-26 | 2015-04-22 | Intervertebral prosthesis or disk prosthesis |
US15/623,707 US10085851B2 (en) | 2004-04-26 | 2017-06-15 | Intervertebral prosthesis or disk prosthesis |
US15/805,224 US10653532B2 (en) | 2004-04-26 | 2017-11-07 | Intervertebral prosthesis or disk prosthesis |
US16/106,727 US10646353B2 (en) | 2004-04-26 | 2018-08-21 | Intervertebral prosthesis or disk prosthesis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH2004/000250 WO2005102226A1 (de) | 2004-04-26 | 2004-04-26 | Zwischenwirbelprothese oder bandscheibenprothese |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/587,723 A-371-Of-International US8992618B2 (en) | 2004-04-26 | 2004-04-26 | Intervertebral prosthesis or disk prosthesis |
US14/638,196 Continuation US9700432B2 (en) | 2004-04-26 | 2015-03-04 | Intervertebral prosthesis or disk prosthesis |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005102226A1 true WO2005102226A1 (de) | 2005-11-03 |
Family
ID=34957380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2004/000250 WO2005102226A1 (de) | 2004-04-26 | 2004-04-26 | Zwischenwirbelprothese oder bandscheibenprothese |
Country Status (3)
Country | Link |
---|---|
US (6) | US8992618B2 (de) |
EP (1) | EP1740129B1 (de) |
WO (1) | WO2005102226A1 (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008102021A1 (es) * | 2007-02-22 | 2008-08-28 | Vortek Gestora De Patrimonios, S.R.L. | Perfeccionamientos en una prótesis en disco intervertebral |
WO2008140551A3 (en) * | 2006-10-16 | 2008-12-31 | Angstrom Medica Inc | Fusion device |
ES2340832A1 (es) * | 2007-02-22 | 2010-06-09 | Vortek Gestora De Patrimonios, S.R.L. | Perfeccionamiento en una protesis en disco intervertebral. |
DE202011000203U1 (de) | 2011-01-27 | 2011-03-24 | Aesculap Ag | Implantat der Wirbelkäfigbauart |
DE102011000377A1 (de) | 2011-01-27 | 2012-08-02 | Aesculap Ag | Implantat der Wirbelkäfigbauart |
CN102892387A (zh) * | 2010-03-16 | 2013-01-23 | 品尼高脊柱集团有限责任公司 | 椎间植入物以及移植物输送系统和方法 |
USD907771S1 (en) | 2017-10-09 | 2021-01-12 | Pioneer Surgical Technology, Inc. | Intervertebral implant |
US11147682B2 (en) | 2017-09-08 | 2021-10-19 | Pioneer Surgical Technology, Inc. | Intervertebral implants, instruments, and methods |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4620689B2 (ja) | 2004-02-13 | 2011-01-26 | コフ,フランツ,ジュニア | 中間脊椎移植体、ならびに脊柱の脊椎固定術のための外科手術方法 |
US8992618B2 (en) | 2004-04-26 | 2015-03-31 | DePuy Synthes Products, LLC | Intervertebral prosthesis or disk prosthesis |
US9220535B2 (en) * | 2010-10-26 | 2015-12-29 | Christian Röbling | Process for introducing a stabilizing element into a vertebral column |
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US10070970B2 (en) * | 2013-03-14 | 2018-09-11 | Pinnacle Spine Group, Llc | Interbody implants and graft delivery systems |
FR3058043B1 (fr) * | 2016-10-27 | 2020-11-13 | Ldr Medical | Cage intersomatique expansible |
FR3058044A1 (fr) * | 2016-10-27 | 2018-05-04 | Ldr Medical | Cage intersomatique expansible |
JP7406744B1 (ja) * | 2022-12-23 | 2023-12-28 | 佐々木寛二 | 後方椎体間固定術に用いるチタン製脊椎ケージ |
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- 2004-04-26 EP EP04729392.3A patent/EP1740129B1/de not_active Expired - Lifetime
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2015
- 2015-03-04 US US14/638,196 patent/US9700432B2/en active Active
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Cited By (10)
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WO2008140551A3 (en) * | 2006-10-16 | 2008-12-31 | Angstrom Medica Inc | Fusion device |
US9089437B2 (en) | 2006-10-16 | 2015-07-28 | Pioneer Surgical Technology, Inc. | Fusion device, systems and methods thereof |
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CN102892387A (zh) * | 2010-03-16 | 2013-01-23 | 品尼高脊柱集团有限责任公司 | 椎间植入物以及移植物输送系统和方法 |
DE202011000203U1 (de) | 2011-01-27 | 2011-03-24 | Aesculap Ag | Implantat der Wirbelkäfigbauart |
DE102011000377A1 (de) | 2011-01-27 | 2012-08-02 | Aesculap Ag | Implantat der Wirbelkäfigbauart |
US11147682B2 (en) | 2017-09-08 | 2021-10-19 | Pioneer Surgical Technology, Inc. | Intervertebral implants, instruments, and methods |
USD907771S1 (en) | 2017-10-09 | 2021-01-12 | Pioneer Surgical Technology, Inc. | Intervertebral implant |
USD968613S1 (en) | 2017-10-09 | 2022-11-01 | Pioneer Surgical Technology, Inc. | Intervertebral implant |
Also Published As
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US10085851B2 (en) | 2018-10-02 |
US20080133015A1 (en) | 2008-06-05 |
US10653532B2 (en) | 2020-05-19 |
US9408719B2 (en) | 2016-08-09 |
EP1740129A1 (de) | 2007-01-10 |
US20150223943A1 (en) | 2015-08-13 |
US20190099277A1 (en) | 2019-04-04 |
US20170281362A1 (en) | 2017-10-05 |
US20150173913A1 (en) | 2015-06-25 |
EP1740129B1 (de) | 2020-03-25 |
US9700432B2 (en) | 2017-07-11 |
US10646353B2 (en) | 2020-05-12 |
US20180055653A1 (en) | 2018-03-01 |
US8992618B2 (en) | 2015-03-31 |
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