CN102144942A - Intervertebral implant - Google Patents
Intervertebral implant Download PDFInfo
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- CN102144942A CN102144942A CN2010101111056A CN201010111105A CN102144942A CN 102144942 A CN102144942 A CN 102144942A CN 2010101111056 A CN2010101111056 A CN 2010101111056A CN 201010111105 A CN201010111105 A CN 201010111105A CN 102144942 A CN102144942 A CN 102144942A
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- intervertebral implant
- development section
- groove
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- implant
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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
- A61F2/44—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
- A61F2/4465—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 kidney shaped cross-section substantially perpendicular to the axis of the spine
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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
- A61F2/44—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
-
- 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
- A61F2/28—Bones
- A61F2002/2835—Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
-
- 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
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
- A61F2002/3008—Properties of materials and coating materials radio-opaque, e.g. radio-opaque markers
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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
- 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
- A61F2002/30784—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
- A61F2002/3082—Grooves
- A61F2002/30827—Plurality of grooves
- A61F2002/30828—Plurality of grooves 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
- A61F2002/30904—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves serrated profile, i.e. saw-toothed
Abstract
The invention discloses an intervertebral implant. The implant comprises a main body, an upper end plate and a lower end plate which are arranged on two sides of the main body, as well as a groove, wherein insection is formed on the upper side of the upper end plate and the lower side of the lower end plate respectively; and the groove is formed on at least one insection. In the intervertebral implant disclosed by invention, the groove is formed on at least one insection, the intervertebral implant is implanted in the space of intervertebral discs, and the intervertebral implant can automatically adapt to the concave and convex structure of a vertebral endplate, so that time for treating the endplate in the surgery is reduced, and bone tissue of the vertebra can enter the groove to play a role like a nail plate or a bone screw, the stability of the intervertebral implant can be reinforced, fixation can be realized only by arranging a shorter nail plate or a single-sided bone screw between the intervertebral implant and the vertebra, the number of auxiliary fixing devices is reduced, the operation steps of the surgery are simplified, and the surgery time is shortened.
Description
Technical field
The present invention relates to the spinal implant technical field, relate in particular to a kind of intervertebral implant.
Background technology
The labyrinth that spinal column is made up of various structure organizations, it is made up of vertebra, and each vertebra has the vertebral body of near cylindrical.The intervertebral disc that the apparent surface of adjacent vertebral bodies is made up of the fibrous cartilage material links together, between the adjacent vertebrae of intervertebral disc in spinal column, main bearing load and the motion control function carried out, weight-bearing function by intervertebral disc, load is delivered to next vertebral body from a vertebral body, buffering is provided between adjacent vertebral bodies simultaneously.
Because many factors, for example age, damage, disease etc., normal discovery intervertebral disc loses its dimensional stability and subsides, shrinks, is shifted or be damaged in other mode, usually adopt this moment implant to replace pathological changes or damaged spinal disc, the method of known treatment damaged spinal disc is, removes damaged spinal disc and prosthese or implant are substituted in the occupied space of intervertebral disc.
People come support vertebrae by the mode that the intervertebral disc space between adjacent vertebral bodies in spinal column is transplanted implant, guarantee the height between the two adjacent vertebral bodys, prevent that it is shifted.Present implant mainly comprises main body 1, be arranged on the upper head plate 2 and the bottom plate 3 of main body both sides, the downside of the upside of upper head plate 2 and bottom plate 3 is respectively arranged with groove 4 and groove 5 (as shown in Figure 1, groove is a projection on the end plate), the quantity of groove 4 and groove 5 is any, can with the centrage 6 vertical settings of implant, also can be provided with at an angle with centrage 6, after implant transplanted into the intervertebral disc space between the human body adjacent vertebral bodies, the upside of upper head plate 2 with contact last vertebral body, the downside of bottom plate 3 contacts with the vertebral body of its infra, and plays a supporting role.
But, this implant can not be between two vertebral bodys holding position stable, in order to prevent that implant is shifted, need spend the soleplate of plenty of time processing vertebral body during operation, make terminal plate of vertebral body well adapt to implant, the spike plate is set between implant and vertebra simultaneously, the bone screw of bilateral, or other auxiliary fixer tool, realize the fixing of implant with this, in the process of operation, after being placed on implant between the two adjacent vertebras, the fixed apparatus of a greater number also will be set between implant and vertebra, and the complicated operation that makes operation has prolonged operating time.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of intervertebral implant, improvement by structure increases the implantation stability, reduce the processing time of terminal plate of vertebral body, make implant be applicable to vertebral body, only need simultaneously to adopt a spot of auxiliary fixer tools such as short nail-plate or one-sided bone screw can realize fixing, in order to solve the complicated operation of transplanting implant, the problem that the operating time is long.
For achieving the above object, the invention provides following technical scheme:
A kind of intervertebral implant comprises main body, is arranged on the upper head plate and the bottom plate of main body both sides, and the upside of described upper head plate and the downside of described bottom plate are provided with groove, further comprise:
Groove, described groove are arranged at least one described groove.
Preferably, in above-mentioned intervertebral implant, described groove is arranged on a plurality of described grooves.
Preferably, in above-mentioned intervertebral implant, the groove that is arranged at a groove is a plurality of.
Preferably, in above-mentioned intervertebral implant, described groove runs through described groove.
Preferably, in above-mentioned intervertebral implant, the centrage of described groove has radian.
Preferably, in above-mentioned intervertebral implant, the cross section of described groove is V-arrangement, U-shaped, rectangle, trapezoidal or semicircle.
Preferably, intervertebral implant further comprises the development section that is arranged at main body.
Preferably, development section is: first development section, and described first development section is parallel with the sagittal plane of described intervertebral implant, and is provided with described centrage is vertical; Second development section, the vertical setting of sagittal plane of described second development section and described intervertebral implant; The 3rd development section, the sagittal plane of described the 3rd development section and described intervertebral implant is vertical, be arranged in parallel with described second development section, and described second development section and described the 3rd development section are positioned at same cross section.
Preferably, development section is: first development section, and described first development section is in arbitrary cross section; Second development section, described second development section and described first development section are in the same cross section, and not parallel with described first development section; The 3rd development section, the vertical setting of sagittal plane of described the 3rd development section and described intervertebral implant is positioned at other cross sections.
This shows, beneficial effect of the present invention is: after on the groove groove being set, intervertebral implant is being implanted in the process of the intervertebral disc space in the adjacent vertebral bodies, intervertebral implant can adapt to the concaveconvex structure of terminal plate of vertebral body automatically, reduce the time that soleplate is handled in the operation, and the osseous tissue of vertebra can enter groove, play the effect of the fixedly intervertebral implant of similar nail-plate or bone screw, improve the stability of intervertebral implant self, in operation, only need between intervertebral implant and vertebra, to be provided with the auxiliary fixer tool of very few number such as short nail-plate or one-sided bone screw, just can realize fixing to intervertebral implant, simplify the operating procedure of operation thus, shortened operating time.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention, to do simple introduction to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of existing implant;
Fig. 2 is the structural representation of the disclosed intervertebral implant of first embodiment of the invention;
Fig. 3 is the structural representation of the disclosed intervertebral implant of second embodiment of the invention;
Fig. 4 is the structural representation of the disclosed intervertebral implant of third embodiment of the invention;
Fig. 5 is the structural representation of the disclosed intervertebral implant of fourth embodiment of the invention;
Fig. 6 is the structural representation of a kind of development section of intervertebral implant disclosed by the invention;
Side-looking structural representation when Fig. 7 correctly places for development section structure shown in Figure 6;
Main TV structure sketch map when Fig. 8 correctly places for development section structure shown in Figure 6;
Fig. 9 is the main TV structure sketch map of development structure shown in Figure 6 when side-inverted;
Figure 10 is the structural representation of the another kind of development section of intervertebral implant disclosed by the invention;
Figure 11 is the side-looking structural representation of development section structure shown in Figure 10;
Figure 12 is a kind of side-looking structure chart of the groove of intervertebral implant disclosed by the invention.
The specific embodiment
In the following description, to use term " sagittal plane ", " cross section ", " left side ", " right side ", " on " and D score, wherein " sagittal plane " expression is perpendicular on the intervertebral implant, bottom plate and be parallel to the plane of intervertebral implant centrage, " cross section " expression is perpendicular to the plane of intervertebral implant centrage, and " left side ", " right side ", " on " and the direction of D score when representing to describe intervertebral implant of the present invention and being positioned in the spinal column, " on " be meant that the top of intervertebral implant is the upside of upper head plate, D score is meant that the bottom of intervertebral implant is the downside of bottom plate, and it is consistent about " left side " and " right side " and human body, be understandable that, these terms are limited to any specific direction with the present invention unintentionally, but are used for conveniently implant being described.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making under the creative work prerequisite, and the every other embodiment that is obtained belongs to protection domain of the present invention.
The invention discloses a kind of intervertebral implant, can solve the complicated operation of transplanting implant, the problem that the operating time is long.
Fig. 2 is the structural representation of a kind of intervertebral implant disclosed by the invention, comprising: main body 1, upper head plate 2, bottom plate 3, be arranged at upper head plate 2 upsides groove 4, be arranged at the groove 5 of bottom plate 3 downsides, be arranged at the groove 6 on groove 4 and/or the groove 5.
In force, can on a plurality of grooves, groove be set.Intervertebral implant structure as shown in Figure 3, a plurality of grooves 4 of the upside of upper head plate 2 are provided with groove 6, increase along with groove 6 quantity, there is the osseous tissue of more vertebras can enter in the groove 6, further increase frictional force, made intervertebral implant better to be fixed between the vertebral body.
When the groove 5 at the groove 4 of upper head plate 2 upsides and bottom plate 3 downsides is provided with a plurality of groove simultaneously, the vertebra osseous tissue of intervertebral implant upside and downside can enter in the groove simultaneously, both sides at intervertebral implant are fixed it simultaneously, have better fixed effect.
Based on same principle, can on a groove, a plurality of grooves be set, as shown in Figure 4, can further strengthen the fixation of intervertebral implant self, and then reduce the use of auxiliary fixer tool.
Be arranged at groove on the groove and can run through the groove at its place, also can only be arranged on the part of groove, in the structure of intervertebral implant shown in Figure 5, groove 6 runs through the groove at its place, at this moment, the osseous tissue of vertebra can farthest enter in the groove 6, and along with the increase that osseous tissue enters the volume of groove 6, its fixation also strengthens thereupon.
In force, can groove be set to its centrage and have radian, the groove of this structure more meets the natural form of human vertebrae, and the osseous tissue of vertebra can better enter in the groove.
Intervertebral implant is many to be made by radiotransparen macromolecular material, can not blur-free imaging when adopting X ray to carry out transmission.In intervertebral implant being implanted the intravital process of patient, may there be operate miss, as intervertebral implant is side-inverted, and behind the intervertebral implant implant into body, growth along with the time, intervertebral implant also may be shifted, and for example tilts or rotation, because intervertebral implant can not blur-free imaging, can not accurately locate it, so can't judge its placement situation.
In order to solve that intervertebral implant can not accurately be located and the problem that produces, can on the main body 1 of intervertebral implant, development section be set, this development section can blur-free imaging when X ray carries out transmission, can judge the position of intervertebral implant thus, when intervertebral implant is placed when wrong or displacement is taken place, can accurately judge.
Fig. 6 is the structural representation of a kind of development section of intervertebral implant.
This development section comprises: first development section 81, second development section 82 and the 3rd development section 83, wherein, the sagittal plane 10 of first development section 81 and intervertebral implant parallel and with centrage 7 vertical settings, the sagittal plane 10 vertical settings of second development section 82 and intervertebral implant, the cross section at its place is different from the cross section at first development section, 81 places, the 3rd development section 83 and sagittal plane 10 are vertical and be arranged in parallel with second development section 82, and second development section 82 and the 3rd development section 83 are in same cross section.
Side-looking structure when Fig. 7 shows intervertebral implant shown in Figure 6 and correctly places, the positive TV structure when Fig. 8 shows intervertebral implant shown in Figure 6 and correctly places.Distance among Fig. 7 between second development section 82 and the 3rd development section 83 has characterized the parameter of intervertebral implant height, first development section, 81 place straight lines and second develop the distance between the point 83 of point the 82 or the 3rd of developing has characterized the width of intervertebral implant, and the distance between first development section, 81 place straight lines and second development section 82 or the 3rd development section 83 has characterized the length of intervertebral implant among Fig. 8.
When intervertebral implant run-off the straight or when rotation, the distance on its development figure between each development section can change, and its actual distance value and initial value is compared just can know which kind of variation has taken place the intravital intervertebral implant of patient.For example, when the intervertebral implant run-off the straight, can shorten in its main second development section 82 and distance between the 3rd development section 83 of looking on development Fig. 8; When intervertebral implant rotates, can shorten in its main first development section, 81 place straight lines and distance between second development section 82 or the 3rd development section 83 of looking on development Fig. 8.
After intervertebral implant was side-inverted, its main development figure that looks compared with Fig. 7 as shown in Figure 9, just knew intervertebral implant placement mistake.
Figure 10 is the structural representation of the another kind of development section of intervertebral implant, and Figure 11 is the side-looking structural representation of intervertebral implant shown in Figure 10.
This development section comprises: first development section 91, second development section 92 and the 3rd development section 93.Wherein, first development section 91 is in arbitrary cross section, second development section 92 and first development section 91 are in the same cross section, and second development section 92 be not parallel to first development section 91, the 3rd development section 93 is vertical with sagittal plane 10, and its residing cross section is different from first development section, 91 residing cross sections.
The structure of intervertebral implant development section shown in Figure 10 not only can realize the arbitration functions of intervertebral implant development section shown in Figure 6, when the intravital intervertebral implant run-off the straight of patient, can also measure the angle that intervertebral implant tilts.
In force, the cross section of each groove can be V-arrangement, U-shaped, rectangle, semicircle, trapezoidal (Figure 12 shows the side-looking structure that cross section is the groove of V-arrangement), it also can be other shape, enter groove as long as be convenient to the osseous tissue of vertebra, and that the degree of depth of groove can be set to is consistent with the degree of depth of groove.
First development section in the development section, second development section and the 3rd development section are by making at the material of imaging under the X ray, can be cylinder or wire, be to be that example describes the three position with the cylinder in the foregoing description, when first development section, second development section and the 3rd development section are wire, its be provided with position and cylinder development section that the position is set is similar.
In sum, intervertebral implant disclosed by the invention has following advantage:
The concaveconvex structure that 1, can adapt to vertebral body automatically reduces the time of handling soleplate in the operation;
2, the osseous tissue of vertebra can enter in the groove that is arranged at groove, strengthens the stability of intervertebral implant self, reduces the use of auxiliary fixer tool;
3, its development section can embody intervertebral implant accurately at intravital position of people and state.
Each embodiment adopts the mode of going forward one by one to describe in this description, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. an intervertebral implant comprises main body, is arranged on the upper head plate and the bottom plate of main body both sides, and the upside of described upper head plate and the downside of described bottom plate are provided with groove, it is characterized in that, further comprise:
Groove, described groove are arranged at least one described groove.
2. intervertebral implant according to claim 1 is characterized in that, described groove is arranged on a plurality of described grooves.
3. intervertebral implant according to claim 1 and 2 is characterized in that, the groove that is arranged at a groove is a plurality of.
4. intervertebral implant according to claim 3 is characterized in that described groove runs through described groove.
5. intervertebral implant according to claim 4 is characterized in that the centrage of described groove has radian.
6. intervertebral implant according to claim 5 is characterized in that, the cross section of described groove is V-arrangement, U-shaped, rectangle, trapezoidal or semicircle.
7. intervertebral implant according to claim 1 is characterized in that, further comprises the development section that is arranged at described main body.
8. intervertebral implant according to claim 7 is characterized in that, described development section comprises:
First development section, described first development section is parallel with the sagittal plane of described intervertebral implant, and is provided with described centrage is vertical;
Second development section, the vertical setting of sagittal plane of described second development section and described intervertebral implant, the cross section at its place is different from the cross section at the described first development section place;
The 3rd development section, the sagittal plane of described the 3rd development section and described intervertebral implant is vertical, be arranged in parallel with described second development section, and described second development section and described the 3rd development section are positioned at same cross section.
9. intervertebral implant according to claim 7 is characterized in that, described development section comprises:
First development section, described first development section is in arbitrary cross section;
Second development section, described second development section and described first development section are in the same cross section, and not parallel with described first development section;
The 3rd development section, the vertical setting of sagittal plane of described the 3rd development section and described intervertebral implant is positioned at other cross sections.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101111056A CN102144942A (en) | 2010-02-10 | 2010-02-10 | Intervertebral implant |
| PCT/CN2010/078458 WO2011097905A1 (en) | 2010-02-10 | 2010-11-05 | Intervertebral implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101111056A CN102144942A (en) | 2010-02-10 | 2010-02-10 | Intervertebral implant |
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| CN102144942A true CN102144942A (en) | 2011-08-10 |
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| CN2010101111056A Pending CN102144942A (en) | 2010-02-10 | 2010-02-10 | Intervertebral implant |
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| WO (1) | WO2011097905A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014180917A1 (en) * | 2013-05-07 | 2014-11-13 | Ceramtec Gmbh | Implants comprising anchoring elements |
| CN105266927A (en) * | 2014-07-25 | 2016-01-27 | 吴爱悯 | Double-skewed slot intervertebral fusion device adapted for cervical pedicle cervical disc oblique screw |
| CN106659525A (en) * | 2014-07-07 | 2017-05-10 | 华沙整形外科股份有限公司 | Multiple spinal surgical pathways systems and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9132021B2 (en) | 2011-10-07 | 2015-09-15 | Pioneer Surgical Technology, Inc. | Intervertebral implant |
| JP2020533070A (en) | 2017-09-08 | 2020-11-19 | パイオニア サージカル テクノロジー インコーポレイテッド | Intervertebral implants, instruments, and methods |
| USD907771S1 (en) | 2017-10-09 | 2021-01-12 | Pioneer Surgical Technology, Inc. | Intervertebral implant |
| IT202000001210A1 (en) * | 2020-01-22 | 2021-07-22 | Sps S R L | INTERSOMATIC CAGE FOR VERTEBRAL STABILIZATION |
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| US6458159B1 (en) * | 2000-08-15 | 2002-10-01 | John S. Thalgott | Disc prosthesis |
| US20030135275A1 (en) * | 2001-11-09 | 2003-07-17 | Javier Garcia | Instruments and methods for inserting a spinal implant |
| US20040127993A1 (en) * | 2002-10-16 | 2004-07-01 | Erich Kast | Spreader implant for placement between vertebrae |
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| WO2014180917A1 (en) * | 2013-05-07 | 2014-11-13 | Ceramtec Gmbh | Implants comprising anchoring elements |
| CN106659525A (en) * | 2014-07-07 | 2017-05-10 | 华沙整形外科股份有限公司 | Multiple spinal surgical pathways systems and methods |
| CN105266927A (en) * | 2014-07-25 | 2016-01-27 | 吴爱悯 | Double-skewed slot intervertebral fusion device adapted for cervical pedicle cervical disc oblique screw |
| CN105266927B (en) * | 2014-07-25 | 2019-03-12 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | A kind of adaptation double skewed slots Invasive lumbar fusion device of the pedicle through the oblique screw of interverbebral disc |
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| Publication number | Publication date |
|---|---|
| WO2011097905A1 (en) | 2011-08-18 |
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