CN220275688U - Vertebral lamina implantation fixing device - Google Patents
Vertebral lamina implantation fixing device Download PDFInfo
- Publication number
- CN220275688U CN220275688U CN202320243284.1U CN202320243284U CN220275688U CN 220275688 U CN220275688 U CN 220275688U CN 202320243284 U CN202320243284 U CN 202320243284U CN 220275688 U CN220275688 U CN 220275688U
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- hole
- fixing part
- fixing
- vertebral
- laminectomy
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- 238000002513 implantation Methods 0.000 title abstract description 35
- 238000002684 laminectomy Methods 0.000 claims description 25
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 210000000115 thoracic cavity Anatomy 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 2
- 210000002517 zygapophyseal joint Anatomy 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241001269524 Dura Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001951 dura mater Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007913 intrathecal administration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 201000011096 spinal cancer Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model relates to the technical field of medical equipment, and provides a vertebral lamina implantation fixing device, which comprises: the connecting part, the first fixing part and the second fixing part; the connecting part is molded according to the outer contour of the vertebral plate; the first fixing portion and the second fixing portion are arranged at two ends of the connecting portion, at least one through hole is formed in each of the first fixing portion and the second fixing portion, and the width of each of the first fixing portion and the second fixing portion is larger than that of the connecting portion. The utility model can restore the vertebral body to the original anatomical form, can ensure the connection stability of the vertebral plate implantation back fixing device, the vertebral plate and the vertebral body, and can increase the safety of the application of the vertebral plate implantation back fixing device in human body.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a vertebral lamina implantation fixing device.
Background
Along with the development of technology, the posterior vertebral plate decompression operation is widely applied to cervical, thoracic and lumbar retrogressive changes, deformity, intraspinal tumors and the like, the instability of the vertebral column is increased by the traditional vertebral plate excision method, the postoperative dura sac is not protected from bone removal, a large amount of scar adhesion is caused, and the probability of injury of the dura mater by the secondary revision operation is extremely high. If the posterior spinal rod fixation is assisted, spinal stability is increased, but spinal mobility is lost. For intrathecal tumor patients, nuclear magnetic artifacts formed by the rod system greatly interfere with postoperative patient recurrence assessment.
Accordingly, there is a need for improvements in devices that assist in spinal fixation.
Disclosure of Invention
The utility model provides a vertebral lamina implantation fixing device which is used for solving or partially solving the defects of an auxiliary vertebral column fixing device in the prior art.
The utility model provides a vertebral lamina implantation fixing device, comprising: the connecting part, the first fixing part and the second fixing part; the connecting part is molded according to the outer contour of the vertebral plate; the first fixing portion and the second fixing portion are arranged at two ends of the connecting portion, at least one through hole is formed in each of the first fixing portion and the second fixing portion, and the width of each of the first fixing portion and the second fixing portion is larger than that of the connecting portion.
According to the vertebral plate implantation fixing device provided by the utility model, the first fixing part is provided with the first through hole, and the second fixing part is provided with the second through hole; and a first connecting line between the center of the first through hole and the center of the second through hole is parallel to the central line of the connecting part along the width direction of the connecting part.
According to the vertebral plate implantation fixing device provided by the utility model, the first fixing part is provided with the first through hole, and the second fixing part is provided with the second through hole and the third through hole; and a first connecting line between the center of the first through hole and the center of the second through hole is parallel to the central line of the connecting part along the width direction of the connecting part, and a second connecting line between the center of the second through hole and the center of the third through hole is perpendicular to the first connecting line.
According to the vertebral plate implantation fixing device provided by the utility model, the first fixing part is provided with the first through hole, and the second fixing part is provided with the second through hole and the third through hole; the center of the first through hole is positioned on a perpendicular bisector of a second connecting line between the center of the second through hole and the center of the third through hole, and the perpendicular bisector of the second connecting line is parallel to the central line of the connecting part.
According to the vertebral plate implantation fixing device provided by the utility model, the connecting part is obliquely bent and formed according to the outer contour of the vertebral plate.
According to the vertebral plate implantation fixing device provided by the utility model, the thicknesses of the connecting part, the first fixing part and the second fixing part are consistent.
According to the vertebral plate implantation fixing device provided by the utility model, the first fixing part and the second fixing part are of circular ring structures.
According to the vertebral plate implantation-back fixing device provided by the utility model, the connecting part, the first fixing part and the second fixing part are all titanium plates.
According to the utility model, the vertebral plate implantation back fixing device further comprises a universal screw, and the universal screw is used for being nailed into the vertebral arch structure through the through hole.
According to the vertebral plate implantation-back fixing device provided by the utility model, the universal screw comprises the screw rod capable of being nailed into the vertebral body and the screw cap which is in universal connection with the screw rod, and the first fixing part and the second fixing part are connected with the screw cap through corresponding through holes.
According to the vertebral plate implantation back fixing device, the connecting part molded according to the outer contour of the vertebral plate is arranged, the width of the connecting part is smaller than that of the first fixing part and the second fixing part, and fixing devices with different bending radians, shapes and sizes can be designed according to individual differences of the cervical vertebra, the thoracic vertebra and the lumbar vertebra of a human body so as to further promote the vertebral body to restore to the original anatomical form, the size of the vertebral plate implantation back fixing device is reduced, the connection stability of the vertebral plate implantation back fixing device, the vertebral plate and the vertebral body is guaranteed, meanwhile, the cost is saved, and the safety of application in the human body is increased.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of a laminectomy fixation device according to some embodiments of the present utility model;
FIG. 2 is a second schematic view of a laminectomy fixation device according to some embodiments of the utility model;
FIG. 3 is a third schematic illustration of a laminectomy fixation device according to some embodiments of the utility model;
FIG. 4 is a schematic illustration of a laminectomy fixation device according to some embodiments of the present utility model;
FIG. 5 is a schematic illustration of a laminectomy fixation device according to some embodiments of the present utility model;
FIG. 6 is a schematic illustration of a laminectomy fixation device according to some embodiments of the utility model;
fig. 7 is a schematic view of a laminectomy fixation device according to some embodiments of the utility model.
Reference numerals:
110: and a connecting part.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The laminectomy fixation devices of the present utility model are described below in connection with fig. 1-7.
After the vertebral body resects the vertebral plate on the corresponding section, the pathological tissue in the vertebral canal is revealed, the resected vertebral plate is implanted back after the operation is completed, and the vertebral plate implantation back fixing device is limited between the cut vertebral plates and is used for restoring the vertebral plates to the original anatomical form.
The utility model provides a vertebral plate implantation fixing device, which comprises a connecting part 110, a first fixing part and a second fixing part. The connection portion 110 is formed according to the outer contour of the lamina; the first fixing portion and the second fixing portion are disposed at two ends of the connecting portion 110, at least one through hole is formed in each of the first fixing portion and the second fixing portion, and the width of each of the first fixing portion and the second fixing portion is greater than that of the connecting portion 110.
The connecting portion 110 is formed according to the outer contour of the vertebral plate, and can be tightly attached to the vertebral plate to improve the connection stability, and the vertebral plate implantation fixing device is designed according to the ergonomics principle, and an anatomical personalized structure is adopted to promote the vertebral body to recover to the original anatomical form.
In the implementation process, the connecting portion 110 can design fixing devices with different bending radians, shapes and sizes according to individual differences of cervical, thoracic and lumbar vertebrae plates of a human body so as to further promote the restoration of the vertebral plates to the original anatomical form.
Further, the laminectomy fixation device further includes a universal screw for driving the laminectomy structure through the throughhole.
Wherein the vertebral arch structure comprises a facet joint process, a vertebral lamina, a joint process isthmus and the like.
Through holes formed in the first fixing part and the second fixing part, universal screws penetrate through the corresponding through holes and are nailed into corresponding positions of vertebral plates of the vertebral arch, so that one end of the vertebral plate implantation back fixing device is locked on the facet joint process/vertebral plate/articular process isthmus, and the other end of the vertebral plate implantation back fixing device is locked on the spinous process.
The width of the connecting portion 110 is smaller than that of the first fixing portion and the second fixing portion, so that the size of the vertebral plate implantation back fixing device is reduced, the connection stability of the vertebral plate implantation back fixing device, the vertebral plate and the vertebral arch is guaranteed, meanwhile, the cost is saved, and the safety of application in a human body is improved.
According to the vertebral plate implantation back fixing device, the connecting part 110 molded according to the outer contour of the vertebral plate is arranged, the width of the connecting part 110 is smaller than that of the first fixing part and the second fixing part, and fixing devices with different bending radians, shapes and sizes can be designed according to individual differences of the cervical vertebra, the thoracic vertebra and the lumbar vertebra of a human body so as to further promote the vertebral body to restore to the original anatomical form, the size of the vertebral plate implantation back fixing device is reduced, the connection stability of the vertebral plate implantation back fixing device, the vertebral plate and the vertebral body is guaranteed, meanwhile, the cost is saved, and the safety of application in the human body is increased.
Further, the connection portion 110 is formed by bending and tilting according to the outer contour of the vertebral plate, and the connection portion 110 is formed by bending and tilting profiles at different angles according to individual differences of the vertebral plate implantation back fixing device at different positions of the cervical vertebra, the thoracic vertebra, the lumbar vertebra and the like.
Further, as shown in fig. 3, the connecting portion 110, the first fixing portion and the second fixing portion have the same thickness, so that the vertebral body is tightly connected with the lamina, and the vertebral body is ensured to be restored to the original anatomical form.
Further, the first fixing part and the second fixing part are of circular ring structures.
In this embodiment, the first fixing portion and the second fixing portion are configured as a ring structure, so that the connection effect between the first fixing portion and the second fixing portion and the corresponding position of the vertebral body or the vertebral plate is ensured, and the material cost can be saved.
Furthermore, the vertebral plate implantation back fixing device at least comprises the following three structures according to different application scenes.
First, the universal type vertebral lamina implantation fixing device.
As shown in fig. 1, 2 and 3, the first fixing portion is provided with a first through hole, and the second fixing portion is provided with a second through hole; a first line connecting the center of the first through hole and the center of the second through hole is parallel to the center line of the connection part 110 in the width direction of the connection part 110.
In this embodiment, the universal type laminectomy fixing device can be used alone or in combination with the laminectomy fixing device at cervical vertebra, thoracic vertebra, etc. to increase the stability of the connection.
Secondly, the vertebral lamina of the thoracic vertebra is implanted back into the fixing device.
As shown in fig. 4 and 5, the first fixing portion is provided with a first through hole, and the second fixing portion is provided with a second through hole and a third through hole; a first line connecting the center of the first through hole with the center of the second through hole is parallel to the center line of the connecting portion 110 in the width direction of the connecting portion 110, and a second line connecting the center of the second through hole with the center of the third through hole is perpendicular to the first line.
Thirdly, the vertebral lamina of the cervical vertebra is planted back into the fixing device.
As shown in fig. 6 and 7, the first fixing portion is provided with a first through hole, and the second fixing portion is provided with a second through hole and a third through hole; the center of the first via hole is located on a perpendicular bisector of a second line of the center of the second via hole and the center of the third via hole, the perpendicular bisector of the second line being parallel to a center line of the connection part 110.
In some embodiments, the laminectomy fixation devices may be formed using 3D printing techniques, which may facilitate manufacturing.
In some embodiments, the connecting portion 110, the first fixing portion and the second fixing portion are all made of titanium plates, so as to ensure the safety of the laminectomy fixing device.
In some embodiments, the surfaces of the connecting portion 110, the first fixing portion and the second fixing portion are all coated with a chrome coating, so as to further ensure the safety of the vertebral plate implantation fixture.
The universal screw is adopted to fix the first fixing part and the second fixing part with the corresponding vertebral bodies, so that the mobility of the vertebrae can be ensured, and the patient has enough freedom of movement.
Further, the universal screw comprises a screw rod capable of being nailed into the cone body and a screw cap which is in universal connection with the screw rod, and the first fixing part and the second fixing part are connected with the screw cap through corresponding through holes.
According to the vertebral plate implantation back fixing device, the connecting part 110 molded according to the outer contour of the vertebral plate is arranged, the width of the connecting part 110 is smaller than that of the first fixing part and the second fixing part, and fixing devices with different bending radians, shapes and sizes can be designed according to individual differences of the cervical vertebra, the thoracic vertebra and the lumbar vertebra of a human body so as to further promote the vertebral body to restore to the original anatomical form, the size of the vertebral plate implantation back fixing device is reduced, the connection stability of the vertebral plate implantation back fixing device, the vertebral plate and the vertebral body is guaranteed, meanwhile, the cost is saved, and the safety of application in the human body is increased.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A laminectomy fixation device comprising:
a connecting part formed according to the outer contour of the vertebral plate;
the connecting device comprises a connecting part, a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part are arranged at two ends of the connecting part, at least one through hole is formed in each of the first fixing part and the second fixing part, and the width of each of the first fixing part and the second fixing part is larger than that of the connecting part.
2. The laminectomy fixation device of claim 1, wherein the cannula comprises a cannula,
the first fixing part is provided with a first through hole, and the second fixing part is provided with a second through hole;
and a first connecting line between the center of the first through hole and the center of the second through hole is parallel to the central line of the connecting part along the width direction of the connecting part.
3. The laminectomy fixation device of claim 1, wherein the cannula comprises a cannula,
the first fixing part is provided with a first through hole, and the second fixing part is provided with a second through hole and a third through hole;
and a first connecting line between the center of the first through hole and the center of the second through hole is parallel to the central line of the connecting part along the width direction of the connecting part, and a second connecting line between the center of the second through hole and the center of the third through hole is perpendicular to the first connecting line.
4. The laminectomy fixation device of claim 1, wherein the cannula comprises a cannula,
the first fixing part is provided with a first through hole, and the second fixing part is provided with a second through hole and a third through hole;
the center of the first through hole is positioned on a perpendicular bisector of a second connecting line between the center of the second through hole and the center of the third through hole, and the perpendicular bisector of the second connecting line is parallel to the central line of the connecting part.
5. The laminectomy fixation device of claim 1, wherein the cannula comprises a cannula,
the connecting part is obliquely bent and formed according to the outer contour of the vertebral plate.
6. The laminectomy fixation device of any one of claims 1 to 5,
the thickness of the connecting part, the thickness of the first fixing part and the thickness of the second fixing part are consistent.
7. The laminectomy fixation device of any one of claims 1 to 5,
the first fixing part and the second fixing part are of circular ring structures.
8. The laminectomy fixation device of any one of claims 1 to 5,
the connecting part, the first fixing part and the second fixing part are titanium plates.
9. The laminectomy fixation device of any one of claims 1 to 5,
the laminectomy fixation device further includes a universal screw for driving the vertebral arch structure through the throughhole.
10. The laminectomy fixation device of claim 9, wherein the cannula comprises a cannula,
the universal screw comprises a screw rod capable of being nailed into the vertebral body and a screw cap which is in universal connection with the screw rod, and the first fixing part and the second fixing part are connected with the screw cap through corresponding through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243284.1U CN220275688U (en) | 2023-02-07 | 2023-02-07 | Vertebral lamina implantation fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243284.1U CN220275688U (en) | 2023-02-07 | 2023-02-07 | Vertebral lamina implantation fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220275688U true CN220275688U (en) | 2024-01-02 |
Family
ID=89335353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320243284.1U Active CN220275688U (en) | 2023-02-07 | 2023-02-07 | Vertebral lamina implantation fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220275688U (en) |
-
2023
- 2023-02-07 CN CN202320243284.1U patent/CN220275688U/en active Active
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