CN215019782U - Arc Zero-P VA pre-operation measurement template - Google Patents
Arc Zero-P VA pre-operation measurement template Download PDFInfo
- Publication number
- CN215019782U CN215019782U CN202120702816.4U CN202120702816U CN215019782U CN 215019782 U CN215019782 U CN 215019782U CN 202120702816 U CN202120702816 U CN 202120702816U CN 215019782 U CN215019782 U CN 215019782U
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- Prior art keywords
- screw
- screw hole
- fixing plate
- zero
- interbody fusion
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- Expired - Fee Related
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- 238000005259 measurement Methods 0.000 title claims abstract description 15
- 230000004927 fusion Effects 0.000 claims abstract description 23
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 18
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 18
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000007943 implant Substances 0.000 abstract description 3
- 230000036285 pathological change Effects 0.000 abstract description 3
- 231100000915 pathological change Toxicity 0.000 abstract description 3
- 238000001356 surgical procedure Methods 0.000 description 4
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 208000036319 cervical spondylosis Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000005801 spondylosis Diseases 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 208000019505 Deglutition disease Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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Abstract
An arc-shaped Zero-P VA preoperative measurement template comprises a fixing plate, a PEEK interbody fusion cage and screws, wherein the front part of the fixing plate is provided with a groove, the rear part of the fixing plate is provided with screw holes, and the PEEK interbody fusion cage is connected in the groove; the upper surface of the PEEK interbody fusion cage is an arc-shaped surface, the lower surface of the PEEK interbody fusion cage is a horizontal surface, and convex spines are uniformly distributed on the arc-shaped surface and the horizontal surface; the screw hole comprises a screw hole which is inclined to the front upper part and a screw hole which is inclined to the front lower part, and the screw hole is in a horn shape; the screw is arranged in the screw hole, the included angle of the screw in the screw hole and the horizontal axis can vary within the range of 27-44 degrees, and the included angle of the screw in the screw hole and the vertical axis can vary within the range of 15-29 degrees. The utility model discloses when implanting zero notch anterior cervical spine interbody fusion internal fixation system of variable angle, can conveniently measure the pathological change position on X piece, choose for use the appropriate implant, be convenient for confirm correct screw length and put the nail angle, improve the operation quality, reduce the operation risk.
Description
Technical Field
The utility model relates to a medical instrument, especially Zero notch anterior cervical spine interbody fusion internal fixation system's of variable angle arc Zero-P VA preceding measurement template of art.
Background
With the aging of population and the change of working and living habits, the incidence rate of cervical spondylosis is gradually increased and is in a trend of younger age, and severe patients can be caused by paralysis. The anterior cervical surgery is widely used for the surgical treatment of severe cervical spondylosis due to the characteristics of small trauma, less bleeding and thorough decompression, the traditional anterior cervical surgery adopts a titanium plate for fixation, but the risk of swallowing difficulty after the surgery is obviously increased. Zero-P VA is a variable-angle Zero-notch anterior cervical interbody fusion internal fixation system, has no preposed titanium plate, and can reduce irritation to anterior soft tissues of the vertebra, thereby effectively controlling the incidence rate of dysphagia. When the existing Zero-P VA is internally fixed, the intervertebral space height and the vertebral body depth can only be measured according to X-ray of a patient at present, and the screw of the Zero-P VA is in a variable angle, so that the proper screw length under different screw angles can not be measured during measurement, the intraoperative perspective times are increased, and the risk of mistakenly entering the vertebral canal in the screw placing process due to wrong selection of the screw angle and the screw length is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an arc Zero-P VA preceding measuring template measures the pathological change position through the template, can accurately choose for use suitable implant, reduces the operation degree of difficulty, improves the operation quality.
The technical scheme of the utility model: an arc-shaped Zero-P VA preoperative measurement template comprises a fixing plate, a PEEK interbody fusion cage and screws, wherein the front part of the fixing plate is provided with a groove, the rear part of the fixing plate is provided with screw holes, and the PEEK interbody fusion cage is connected in the groove; the upper surface of the PEEK interbody fusion cage is an arc-shaped surface, the lower surface of the PEEK interbody fusion cage is a horizontal surface, and convex spines are uniformly distributed on the arc-shaped surface and the horizontal surface; the screw hole comprises a screw hole which is inclined to the front upper part and a screw hole which is inclined to the front lower part, and the screw hole is in a horn shape; the screw passes through the screw hole, the included angle of the screw in the screw hole and the horizontal axis can vary within the range of 27-44 degrees, and the included angle of the screw in the screw hole and the vertical axis can vary within the range of 15-29 degrees.
Furthermore, a depth limiting baffle is arranged on the fixing plate and connected to the edge of the end face of the fixing plate.
Furthermore, the depth limiting baffle is arranged at the upper edge and the lower edge of the fixing plate respectively.
Furthermore, the connecting part of the intervertebral fusion device and the fixing plate is provided with a U-shaped groove.
Furthermore, the included angle of the screw hole relative to the vertical axis is inwards inclined.
Furthermore, the outlet end of the screw hole on the fixing plate is provided with an angle scale line for inclining the screw relative to the horizontal axis and inclining the screw relative to the vertical axis.
Furthermore, the screw is provided with a score line parallel to the axis.
Further, the screw is provided with a length scale line perpendicular to the axis.
Preferably, the fixing plate is a titanium alloy plate.
The utility model discloses when implanting zero notch anterior cervical spine interbody fusion internal fixation system of variable angle, can conveniently measure the pathological change position on X piece, be convenient for choose for use the appropriate implant, be convenient for confirm correct screw length and put the nail angle, improve the operation quality, reduce the operation risk.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the structure shown in fig. 1.
Fig. 3 is a right side view of the structure shown in fig. 1.
Fig. 4 is a schematic structural view of the fixing plate.
Fig. 5 is a top view of the fixing plate shown in fig. 4.
Fig. 6 is a schematic view of a screw structure.
In the figure: 1-fixing plate, 2-screw, 3-PEEK interbody fusion cage, 4-arc surface, 5-convex spine, 6-horizontal axis, 7-screw hole, 8-U-shaped groove, 9-vertical axis, 10-angle line, 11-length line, 12-line and 13-depth limiting baffle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1-6, the technical scheme of the utility model is an arc Zero-P VA preoperative measuring template, which comprises a fixing plate 1, a PEEK interbody fusion cage 3 and screws 2, wherein the front part of the fixing plate 1 is provided with a groove, the rear part is provided with screw holes, and the PEEK interbody fusion cage 3 is connected in the groove; the upper surface of the PEEK interbody fusion cage 3 is an arc-shaped surface 4, the lower surface is a horizontal plane, and convex spines are uniformly distributed on the arc-shaped surface 4 and the horizontal plane; the screw hole 7 comprises a screw hole which is inclined forwards and upwards and a screw hole which is inclined forwards and downwards, and the screw hole is in a horn shape; the screw 2 is passed through the screw hole 7, the angle of the screw 2 in the screw hole 7 with the horizontal axis 6 being variable in the range 27-44, and the angle of the screw 2 in the screw hole 7 with the vertical axis 9 being variable in the range 15-29.
Furthermore, a depth limiting baffle 13 is arranged on the fixing plate 1, and the depth limiting baffle 13 is connected to the edge of the end face of the fixing plate 1.
Further, the depth stop 13 is provided at each of the upper and lower edges of the fixing plate 1.
Furthermore, a U-shaped groove is formed at the connecting part of the PEEK interbody fusion cage 3 and the fixing plate 1.
Further, the screw holes 7 are inclined inwardly with respect to the vertical axis 9.
Furthermore, the outlet end of the screw hole 7 of the fixing plate 1 is provided with an angular scribed line 10 which inclines the screw 2 relative to the horizontal axis 6 and the vertical axis 9.
Furthermore, the screw 2 is provided with a score line 12 parallel to the axis, and the value of the included angle between the screw and the horizontal axis 6 and the vertical axis 9 can be conveniently determined through the score line and the angle score line 10 at the outlet end of the screw hole 7.
Furthermore, the screw 2 is provided with a length scale line 11 perpendicular to the axis, so that the length of the required screw can be conveniently read.
Further, the fixing plate 1 is a titanium alloy plate.
The utility model discloses according to the difference of height and width, length formulate a plurality of models, every model has a plurality of relative basic bodies again to contract, put the specification of different proportions, if contract, put 40%, 50%, 60%, 70%, 80%, 90%, 100%, 110%, 120%, 130%, 140% etc.. When the device is used, aiming at the contraction and expansion conditions of the X-ray film relative to the human body, the measuring template with the corresponding specification is selected for measurement to determine the proper model, then the inclination angle and the length of the screw are measured, and finally the specification and the model of the implanted prosthesis are determined.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (9)
1. The utility model provides an arc Zero-P VA preceding measuring template which characterized in that: the PEEK interbody fusion cage comprises a fixing plate (1), a PEEK interbody fusion cage (3) and screws (2), wherein the front part of the fixing plate (1) is provided with a groove, the rear part of the fixing plate is provided with screw holes, and the PEEK interbody fusion cage (3) is connected in the groove; the upper surface of the PEEK interbody fusion cage (3) is an arc-shaped surface (4), the lower surface is a horizontal surface, and convex spines are uniformly distributed on the arc-shaped surface (4) and the horizontal surface; the screw hole (7) comprises a screw hole which is inclined forwards and upwards and a screw hole which is inclined forwards and downwards, and the screw hole (7) is in a horn shape; the screw (2) passes through the screw hole (7), the included angle of the screw (2) and the horizontal axis (6) in the screw hole (7) can be changed within the range of 27-44 degrees, and the included angle of the screw (2) and the vertical axis (9) in the screw hole (7) can be changed within the range of 15-29 degrees.
2. The arcuate Zero-P VA pre-operative measurement template of claim 1, wherein: the depth limiting baffle (13) is arranged on the fixing plate (1), and the depth limiting baffle (13) is connected to the edge of the end face of the fixing plate (1).
3. The arcuate Zero-P VA pre-operative measurement template of claim 2, wherein: the depth limiting baffle (13) is arranged at the upper edge and the lower edge of the fixing plate (1) in one piece.
4. The arcuate Zero-P VA pre-operative measurement template of claim 1, wherein: and a U-shaped groove is formed in the connecting part of the PEEK interbody fusion cage (3) and the fixing plate (1).
5. The arcuate Zero-P VA pre-operative measurement template of claim 1, wherein: the included angle of the screw hole (7) relative to the vertical axis (9) is inwards inclined.
6. The arcuate Zero-P VA pre-operative measurement template of claim 1, wherein: an angle scale line (10) for enabling the screw (2) to incline relative to the horizontal axis (6) and the screw (2) to incline relative to the vertical axis (9) is arranged at the outlet end of the screw hole (7) on the fixing plate (1).
7. The arcuate Zero-P VA pre-operative measurement template of claim 1, wherein: the screw (2) is provided with a scribed line (12) parallel to the axis.
8. The arcuate Zero-P VA pre-operative measurement template of claim 1, wherein: the screw (2) is provided with a length scale line (11) which is vertical to the axis.
9. The arcuate Zero-P VA pre-operative measurement template of any one of claims 1 to 8, wherein: the fixing plate (1) is a titanium alloy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702816.4U CN215019782U (en) | 2021-04-07 | 2021-04-07 | Arc Zero-P VA pre-operation measurement template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702816.4U CN215019782U (en) | 2021-04-07 | 2021-04-07 | Arc Zero-P VA pre-operation measurement template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215019782U true CN215019782U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120702816.4U Expired - Fee Related CN215019782U (en) | 2021-04-07 | 2021-04-07 | Arc Zero-P VA pre-operation measurement template |
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| Country | Link |
|---|---|
| CN (1) | CN215019782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117860445A (en) * | 2024-03-11 | 2024-04-12 | 四川大学华西医院 | Anterior cervical internal fixation system |
-
2021
- 2021-04-07 CN CN202120702816.4U patent/CN215019782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117860445A (en) * | 2024-03-11 | 2024-04-12 | 四川大学华西医院 | Anterior cervical internal fixation system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |