CN114098933B - Anterior fixation system for cervical osteoporosis - Google Patents
Anterior fixation system for cervical osteoporosis Download PDFInfo
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- CN114098933B CN114098933B CN202111417562.2A CN202111417562A CN114098933B CN 114098933 B CN114098933 B CN 114098933B CN 202111417562 A CN202111417562 A CN 202111417562A CN 114098933 B CN114098933 B CN 114098933B
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- screw
- osteoporosis
- fixation system
- titanium plate
- anterior cervical
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- 208000001132 Osteoporosis Diseases 0.000 title claims abstract description 22
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 43
- 239000010936 titanium Substances 0.000 claims abstract description 43
- 230000004927 fusion Effects 0.000 claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 208000006735 Periostitis Diseases 0.000 abstract description 5
- 210000003460 periosteum Anatomy 0.000 abstract description 5
- 239000008280 blood Substances 0.000 abstract 1
- 210000004369 blood Anatomy 0.000 abstract 1
- 238000001356 surgical procedure Methods 0.000 description 6
- 230000007850 degeneration Effects 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 3
- 230000003412 degenerative effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 206010061619 Deformity Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010039984 Senile osteoporosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000037182 bone density Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004446 longitudinal ligament Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 206010041569 spinal fracture Diseases 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 208000029761 vertebral disease Diseases 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7059—Cortical plates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7055—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant connected to sacrum, pelvis or skull
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B2017/7073—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant with intervertebral connecting element crossing an imaginary spinal median surface
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurosurgery (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a cervical vertebra osteoporosis anterior fixation system, which comprises a fusion device, a fixed titanium plate and a locking screw; the fixed titanium plate is of an integral structure with the center extending towards the upper end and the lower end, and the extending end of the integral structure is provided with a mounting hole; the anti-loose screw is arranged in the mounting hole; the fusion device is a fusion device or a titanium net; the fusion device or the titanium mesh is fixed with the middle part of the fixed titanium plate through a fixing screw. The device fixes titanium plate design as point contact, reduces to minimum to the periosteum blood fortune influence of centrum, reduces the interference to the adjacent intervertebral disc of upper position, slows down adjacent section and moves back the emergence of changing.
Description
Technical Field
The invention relates to the technical field of spinal fracture surgical instruments, in particular to a front path fixing system for cervical vertebra osteoporosis.
Background
Anterior cervical surgery has been widely used for the treatment of trauma, infection, deformity, tumor, degeneration, etc. of cervical vertebrae and has achieved satisfactory therapeutic effects, and as the population ages, the incidence of degenerative cervical diseases is increasing, and more elderly people need surgery via conservation and invalidation, which brings new challenges to spinal surgeons in how to perform internal fixation of cervical diseases of the majority of elderly people with cervical vertebrae osteoporosis to ensure the postoperative therapeutic effects. According to clinical experience observation of a pen user, the currently applied cervical anterior internal fixation system does not have a special cervical vertebra fixation for the senile osteoporosis, the disease spectrum is changed along with the increase of the population of the aged, the degenerative cervical vertebra diseases almost become the most diseases of cervical vertebra surgical treatment, and the invention and application of the osteoporosis cervical internal fixation system are particularly urgent. The prior clinical cervical vertebrae series are mostly composed of a titanium plate and a screw, the screw still has the screw loosening and falling off according to the report of the literature on the patient with normal bone density, the cervical vertebrae of the old are not frosted on snow, in addition, the titanium plate is basically contacted with the vertebral body through the upper end and the lower end, and the upper end and the lower end are contacted with the vertebral body, so the defect is that the periosteum on the vertebral body and the blood vessel of the anterior longitudinal ligament of the cervical vertebrae are obviously extruded, and the degeneration of the adjacent sections is accelerated; the titanium plate is in point contact with the vertebral body, so that compression of blood circulation and periosteum interference are reduced, and the fusion cage below the titanium plate and the position of the titanium net in the intervertebral space are conveniently observed. The fixing screw has the advantages that the holding force of the screw on the vertebral body is increased through the lateral sheet-shaped bouncing structure, when the position of the screw is poor, after the inner screw plug is loosened, the tension sheet returns to enter the center of the screw, and the screw is replaced after the tension sheet exits, so that the problem that the operation is needed for the degenerative senile cervical vertebra to worry about loosening of the titanium plate and the screw is solved greatly, and the life quality of the remaining life of the old patient is improved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a cervical osteoporosis anterior approach fixing system, which is characterized in that a titanium plate is fixed in a point contact mode, so that the influence on periosteum blood circulation of a vertebral body is reduced to the minimum, the interference on an upper adjacent intervertebral disc is reduced, and the degeneration of an adjacent segment is slowed down.
In order to achieve the above object, the present invention provides the following technical solutions.
A cervical vertebra osteoporosis anterior fixation system, the fixation system comprising a fusion device, a fixed titanium plate and a locking screw; the fixed titanium plate is of an integral structure with the center extending towards the upper end and the lower end, and the extending end of the integral structure is provided with a mounting hole; the anti-loose screw is arranged in the mounting hole;
The fusion device is a fusion device or a titanium net;
the fusion device or the titanium mesh is fixed with the middle part of the fixed titanium plate through a fixing screw.
As a further improvement of the present invention, the fixed titanium plate is of the X-type or Y-type.
As a further improvement of the present invention, the locking screw includes an outer screw and an inner screw; the front end of the outer screw is provided with a plurality of open slots, and the inner screw is arranged in the inner cavity of the outer screw;
The inner screw comprises a locking strip and an inner bolt, the locking strip is in shaft connection with the inner bolt, and the inner bolt is in threaded connection with the inner cavity of the outer screw; the anti-loosening strip is arranged inside the open slot, and can extend out of the open slot under the action of pressure.
As a further improvement of the invention, the outer screw is provided with an outer bolt, the outer bolt being provided with an outer thread.
As a further improvement of the invention, the number of the locking strips is the same as the number of the open grooves.
As a further development of the invention, the locking strip is arranged axially along the inner screw.
As a further improvement of the invention, the end part of the anti-loose strip is provided with a connecting male head, and the inner end part of the inner bolt is provided with a connecting female head;
the male connection head and the female connection head are connected in a matched manner and can rotate along the central line;
The outer end part of the inner bolt is provided with a tool operation area.
As a further improvement of the invention, the connecting female comprises a connecting cavity and a connecting lug arranged in the connecting cavity;
the male connecting head comprises a connecting convex body and a convex cavity arranged in the connecting convex body; the connection lug is matched with the convex cavity.
As a further improvement of the invention, the fusion device comprises a body, a fusion cavity and a visual window communicated with the fusion cavity are arranged on the body, and barbs are arranged on the upper surface and the lower surface of the body.
As a further improvement of the invention, the titanium net is of a cylindrical structure penetrating up and down, meshes are arranged around the cylindrical structure, a fixing hole is arranged in the middle of the cylindrical structure, and a plurality of titanium nets are annularly arranged along the middle of the cylindrical structure.
Compared with the prior art, the invention has the following beneficial effects:
The fixed titanium plate in the anterior cervical osteoporosis fixing system is designed to be in point contact, so that the influence on the periosteum blood circulation of the vertebral body is reduced to the minimum, the interference on the upper adjacent intervertebral disc is reduced, and the degeneration of the adjacent segments is slowed down; the fusion device is a fusion device or a titanium mesh, the fusion device or the titanium mesh can be selected according to the actual conditions of different patients, fusion operation is carried out, the fusion device is fixed on a vertebral body through a fixed titanium plate and a locking screw after the fusion operation, the titanium plate and the screw are effectively prevented from loosening, the fusion device can be effectively fixed, and the operation quality is ensured.
Preferably, the shape of the device is designed into an X-shaped visual window with the greatest degree, so that the device is convenient for observing the placement positions of the interbody fusion cage and the titanium mesh, and the operation is simpler during implantation;
Preferably, the screw of the titanium plate is designed into a locking screw with the maximum gripping force, the front end of the screw is provided with 4 hollow openings, the inside of the screw is provided with 4 strip-shaped blade structures, the tail ends of the blades are connected with the inner nuts, and along with the forward pushing of the inner nuts, the blade parts extend to the 4 hollow parts to form an inverted V-shaped structure, so that the tension of the screw in the vertebral body of osteoporosis is increased, and the possibility of loosening the fixing screw or pulling out the titanium plate in a patient after operation is reduced; if the repair is needed, the inner nut can be loosened, the holding bone fragments are retracted into the central shaft of the screw, and then the screw is withdrawn.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. In the drawings:
FIG. 1 is a schematic view showing an installation state of a cervical vertebrae osteoporosis anterior fixation system;
FIG. 2 is a schematic view of a stationary titanium plate;
FIG. 3 is a schematic view of a lockscrew;
FIG. 4 is a schematic view of an outer screw of the anti-loosening screw;
FIG. 5 is a schematic view of an inner screw of the anti-loosening screw;
FIG. 6 is a schematic cross-sectional view of a lockscrew;
FIG. 7 is a schematic cross-sectional view of an inner screw;
FIG. 8 is a second schematic cross-sectional view of an inner screw;
FIG. 9 is a schematic view of an extension state of the lockscrew;
FIG. 10 is a schematic diagram of a preferred embodiment of the present invention;
FIG. 11 is a schematic view of a cage of the present invention;
FIG. 12 is a schematic view of a set screw of the present invention;
FIG. 13 is a schematic diagram of a second preferred embodiment of the present invention;
FIG. 14 is a schematic view of a titanium mesh of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, shall fall within the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 2, the present invention provides an anterior cervical osteoporosis fixation system, the fixation system 100 including a fixation titanium plate 120 and a locking screw 110; the fixed titanium plate 120 is an integral structure with a center extending towards the upper end and the lower end, and the extending end of the integral structure is provided with a mounting hole 121; the set screw 110 is disposed in the mounting hole 121.
The locking screw 110 can ensure the fixation of the titanium plate 120 and the vertebral body 200, and can prevent loosening. The extending ends of the integrated structure are respectively used for fixing the upper vertebral body and the lower vertebral body.
As a preferred embodiment, the fixed titanium plate 120 is of an X-type or a Y-type.
As a core structure, the locking screw 110 includes an outer screw 111 and an inner screw 112; the front end of the outer screw 111 is provided with a plurality of open slots 1111, and the inner screw 112 is arranged in the inner cavity 1113 of the outer screw 111;
The inner screw 112 comprises a locking bar 1121 and an inner bolt 1122, the locking bar 1121 and the inner bolt 1122 are axially connected, and the inner bolt 1122 is in threaded connection with an inner cavity 1113 of the outer screw 111; the locking strip 1121 is disposed inside the open slot 1111, and the locking strip 1121 can protrude outside the open slot 1111 under pressure.
The outer screw 111 is provided with an outer bolt 1112, and the outer bolt 1112 is provided with an outer thread.
The number of the locking strips 1121 is the same as the number of the open grooves 1111. For example, the number of 4 and locking bars 1121 and the open slot 1111 are shown.
The locking strip 1121 is axially disposed along the inner bolt 1122 to ensure that the locking strip 1121 protrudes when an external force is provided in the axial direction.
The end part of the anti-loose strip 1121 is provided with a connecting male head 1125, and the inner end part of the inner bolt 1122 is provided with a connecting female head 1124;
The male connector 1125 and the female connector 1124 are cooperatively connected and rotatable along a center line.
As shown in fig. 6-8. The female connector 1124 includes a connecting cavity and a connecting bump disposed in the connecting cavity;
The male connector 1125 includes a male connector lug and a male cavity disposed within the male connector lug; the connection lug is matched with the convex cavity.
To facilitate surgical manipulation, the outer end of the inner bolt 1122 is provided with a tool operating region. Such as cross grooves, internal hexagons, etc.
Two specific examples of applications are given below. Specific structures and methods for performing surgery using the structures of the present invention will be described in detail.
Example 1
As shown in fig. 13 to 14, the fixing system 100 further includes a cage 140 and a fixing screw 130;
The fusion device 140 is fixed with the middle part of the fixed titanium plate 120 through a fixing screw 130;
The fusion device 140 comprises a body, a fusion cavity 142 and a visual window 144 communicated with the fusion cavity 142 are arranged on the body, and barbs 141 are arranged on the upper surface and the lower surface of the body. The fixing hole 143 is coupled with the fixing screw 130.
The cage 140 is in a flat and wide shape, and performs a fusion operation so as to be inserted between two vertebral bodies. Firstly, placing the fusion cage 140 between vertebral bodies, fixing the fixed titanium plate 120 with the upper and lower vertebral bodies, and then fixing the fusion cage with the middle part of the fixed titanium plate 120 through the fixing screw 130; so that the anterior cervical surgery has higher safety.
Example 2
As shown in fig. 10 to 12, the fixing system 100 further includes a titanium mesh 150 and a fixing screw 130; the titanium mesh 150 is fixed with the middle part of the fixed titanium plate 120 through a fixing screw 130; the titanium mesh 150 is a cylindrical structure penetrating up and down, and mesh holes 151 are arranged around the cylindrical structure.
The titanium mesh 150 is of a cylindrical structure, and when three vertebral body operations are performed, the middle vertebral body is cut off, and the titanium mesh is inserted between the upper and lower vertebral bodies to perform fusion operations. Firstly, placing a titanium mesh 150 between vertebral bodies, fixing the fixed titanium plate 120 with an upper vertebral body and a lower vertebral body, and then fixing the fixed titanium plate 120 with the middle part of the fixed titanium plate through a fixing screw 130; so that the anterior cervical surgery has higher safety.
Fusion procedures often involve deformation of the titanium mesh, resulting in failure to secure with the fixed titanium plate 120. In order to facilitate the subsequent titanium mesh 150, a fixing hole 152 is arranged in the middle of the cylindrical structure, and a plurality of fixing holes 152 are annularly arranged along the middle of the cylindrical structure. Even if the operation causes deformation of the titanium mesh, one of the fixing holes 152 which can be fixed is found in one turn, and the undeformed fixing hole 152 and the fixing titanium plate 120 are fixed by rotating the titanium mesh. Improving the operability and safety of the operation.
It should be noted that, in the description of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and to distinguish between similar objects, and there is no order of preference between them, nor should they be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant be deemed to have such subject matter not considered to be part of the disclosed subject matter.
Claims (9)
1. An anterior cervical osteoporosis fixation system, characterized in that the fixation system (100) comprises a fusion device, a fixation titanium plate (120) and a locking screw (110); the fixed titanium plate (120) is of an integral structure with the center extending towards the upper end and the lower end, and the extending end of the integral structure is provided with a mounting hole (121); the anti-loose screw (110) is arranged in the mounting hole (121);
the fusion device is a fusion device (140) or a titanium net (150);
The fusion device (140) or the titanium mesh (150) is fixed with the middle part of the fixed titanium plate (120) through a fixing screw (130);
the locking screw (110) comprises an outer screw (111) and an inner screw (112); the front end of the outer screw (111) is provided with a plurality of open slots (1111), and the inner screw (112) is arranged in an inner cavity (1113) of the outer screw (111);
The inner screw (112) comprises a locking strip (1121) and an inner bolt (1122), the locking strip (1121) and the inner bolt (1122) are connected in a shaft way, and the inner bolt (1122) is connected with an inner cavity (1113) of the outer screw (111) in a threaded way; the anti-loosening strip (1121) is arranged inside the open groove (1111), and the anti-loosening strip (1121) can extend out of the open groove (1111) under the action of pressure.
2. The anterior cervical osteoporosis fixation system of claim 1, wherein the fixation titanium plate (120) is X-shaped or Y-shaped.
3. An anterior cervical osteoporosis fixation system according to claim 1, characterized in that the outer screw (111) is provided with an outer screw (1112), the outer screw (1112) being provided with an outer thread.
4. The anterior cervical vertebral osteoporosis fixation system of claim 1, wherein the number of locking strips (1121) is the same as the number of open slots (1111).
5. The anterior cervical osteoporosis fixation system of claim 1, wherein the locking bar (1121) is axially disposed along the inner bolt (1122).
6. The anterior cervical osteoporosis fixation system of claim 1, wherein the locking bar (1121) has a male connection head (1125) at an end and a female connection head (1124) at an inner end of the inner bolt (1122); the male connection head (1125) and the female connection head (1124) are connected in a matched mode and can rotate along the central line;
the outer end of the inner bolt (1122) is provided with a tool operating region.
7. The anterior cervical vertebral osteoporosis fixation system of claim 6, wherein said female connector head (1124) includes a connecting cavity and a connecting tab disposed within said connecting cavity;
The connecting male head (1125) comprises a connecting convex body and a convex cavity arranged in the connecting convex body; the connection lug is matched with the convex cavity.
8. The anterior cervical vertebral osteoporosis fixation system of claim 1, wherein the cage (140) comprises a body with a fusion chamber (142) and a viewing window (144) in communication with the fusion chamber (142), and barbs (141) are provided on the upper and lower surfaces of the body.
9. The anterior cervical vertebra osteoporosis fixation system of claim 1, wherein the titanium mesh (150) is a cylindrical structure penetrating up and down, mesh openings (151) are provided around the cylindrical structure, a fixation hole (152) is provided in the middle of the cylindrical structure, and a plurality of the fixation holes (152) are annularly provided along the middle of the cylindrical structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417562.2A CN114098933B (en) | 2021-11-25 | 2021-11-25 | Anterior fixation system for cervical osteoporosis |
| JP2022007807A JP7223459B1 (en) | 2021-11-25 | 2022-01-21 | Anterior fixation system for cervical spine with osteoporosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417562.2A CN114098933B (en) | 2021-11-25 | 2021-11-25 | Anterior fixation system for cervical osteoporosis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114098933A CN114098933A (en) | 2022-03-01 |
| CN114098933B true CN114098933B (en) | 2024-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111417562.2A Active CN114098933B (en) | 2021-11-25 | 2021-11-25 | Anterior fixation system for cervical osteoporosis |
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| Country | Link |
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| JP (1) | JP7223459B1 (en) |
| CN (1) | CN114098933B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118121287B (en) * | 2024-05-07 | 2024-08-06 | 西安市红会医院（西安市骨科研究所） | Centrum reinforcing bridge system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110011049A (en) * | 2009-07-27 | 2011-02-08 | 주식회사 코렌텍 | Intervertebral fusion cage and its set |
| CN211094603U (en) * | 2019-08-28 | 2020-07-28 | 三峡大学附属仁和医院 | An improved internal fixation device for anterior cervical surgery |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9248027B2 (en) * | 2011-07-12 | 2016-02-02 | Spinesmith Partners, L.P. | Cervical implant with exterior face plate |
| US9283091B2 (en) * | 2013-10-07 | 2016-03-15 | Warsaw Orthopedic, Inc. | Spinal implant system and method |
| ES2583836T3 (en) * | 2014-02-18 | 2016-09-22 | Biedermann Technologies Gmbh & Co. Kg | Implant of adjustable length |
| KR101807554B1 (en) * | 2016-01-18 | 2017-12-11 | 주식회사 메타바이오메드 | Cage assembly for cervical spine |
| US10835388B2 (en) * | 2017-09-20 | 2020-11-17 | Stryker European Operations Holdings Llc | Spinal implants |
| CN210185777U (en) * | 2019-05-30 | 2020-03-27 | 云南欧铂斯医疗科技有限公司 | Zero incisura anterior cervical compression fuses fixing device |
-
2021
- 2021-11-25 CN CN202111417562.2A patent/CN114098933B/en active Active
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- 2022-01-21 JP JP2022007807A patent/JP7223459B1/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110011049A (en) * | 2009-07-27 | 2011-02-08 | 주식회사 코렌텍 | Intervertebral fusion cage and its set |
| CN211094603U (en) * | 2019-08-28 | 2020-07-28 | 三峡大学附属仁和医院 | An improved internal fixation device for anterior cervical surgery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114098933A (en) | 2022-03-01 |
| JP7223459B1 (en) | 2023-02-16 |
| JP2023078050A (en) | 2023-06-06 |
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