CN210384023U - Vertebral plate fixing plate convenient to install - Google Patents
Vertebral plate fixing plate convenient to install Download PDFInfo
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- CN210384023U CN210384023U CN201920215482.0U CN201920215482U CN210384023U CN 210384023 U CN210384023 U CN 210384023U CN 201920215482 U CN201920215482 U CN 201920215482U CN 210384023 U CN210384023 U CN 210384023U
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- cutting ferrule
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Abstract
The utility model discloses a vertebral plate fixed plate convenient to installation, including the cutting ferrule, the bolt is installed in the lateral wall embedding of cutting ferrule, and the spout has been seted up to the bottom of cutting ferrule, the inside sliding connection of spout has the bottom suspension fagging, the third through-hole has been seted up to the lateral wall of bottom suspension fagging, and the lateral wall of bottom suspension fagging is close to the below position department of third through-hole and is provided with down fixed establishment, the upper end welding of cutting ferrule has last backup pad, the top of going up the backup pad is provided with fixed establishment. The bottom suspension fagging sets up to circular-arc structure, and the expansion canalis spinalis sagittal footpath that can furthest, through setting up the spout, the bottom suspension fagging can be in the inside slip of spout, adjusts the bottom suspension fagging, need not too much the vertebral plate of opening to can control the scope that the vertebral plate opened the door, expand canalis spinalis sagittal footpath to suitable size, through first through-hole and second through-hole, can select suitable fixed position according to the actual conditions of patient's vertebral plate and lateral mass.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a vertebral plate fixing plate convenient to install.
Background
Along with the development of the times, the population aging is more and more serious, and the modern people sit for a long time, the cervical vertebra diseases are more and more, the life of severe patients can be seriously affected, the cervical spondylosis is a common disease and frequently-occurring disease of orthopedics, the cervical spondylosis is developed cervical canal stenosis, long-stage posterior longitudinal ligament ossification or yellow ligament ossification, spinal cord or nerve root affected patients caused by cervical multi-segment degenerative disease, and cervical spondylosis anterior decompression is unsatisfied and does not relieve symptoms, the cervical vertebra posterior laminoplasty spinal canal enlargement is adopted clinically, the most common cervical vertebra posterior laminoplasty is the cervical vertebra posterior laminoplasty, the cervical vertebra posterior laminoplasty is performed by using a vertebral plate fixing plate, the sagittal diameter of the vertebral canal can be enlarged to achieve the purpose of decompression, the stability of the cervical vertebra is not damaged too much, the operation is simple and thorough, the decompression is realized, the visual field is widened in the operation, and the better curative effect can be obtained, therefore, the posterior cervical vertebra single-opening door operation is an ideal treatment method for treating the cervical spondylotic myelopathy.
The vertebral plate fixed plate is used more and more extensively, and treatment is showing, however, there are a great deal of not enough in current vertebral plate fixed plate, for example, current vertebral plate fixed plate can not adjust, need open great angle with the vertebral plate during installation, just can pack the vertebral plate fixed plate, the vertebral plate is opened oversize, can cause extra injury to patient's skeleton, and ordinary vertebral plate is comparatively straight structure more, there is the restriction to the expansion range of canalis sagittal footpath of spinal canal, be difficult to reach the most ideal expansion state, ordinary vertebral plate fixed plate installation hole site is single, can't select best mounted position according to the actual conditions of patient's vertebral plate. Accordingly, one skilled in the art provides a lamina fixation plate that is easy to install to address the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertebral plate fixed plate convenient to installation to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a vertebral plate fixed plate convenient to installation, includes the cutting ferrule, the bolt is installed in the lateral wall embedding of cutting ferrule, and the spout has been seted up to the bottom of cutting ferrule, the inside sliding connection of spout has the bottom suspension fagging, the third through-hole has been seted up to the lateral wall of bottom suspension fagging, and the bottom of bottom suspension fagging is provided with the second cardboard, the lateral wall of bottom suspension fagging is close to the below position department of third through-hole and is provided with down fixed establishment, the upper end welding of cutting ferrule has last backup pad, the top of going up the backup pad is provided with fixed establishment, and the lateral.
As a further aspect of the present invention: go up fixed establishment and include upper fixed plate, first through-hole and first bone nail, first through-hole has been seted up at the top of upper fixed plate, the internal thread of first through-hole is connected with first bone nail.
As a further aspect of the present invention: the lower fixing mechanism comprises a second bone nail, a lower fixing plate and a second through hole, the second through hole is formed in the top of the lower fixing plate, and the second bone nail is connected to the inner thread of the second through hole.
As a further aspect of the present invention: the lower supporting plate is of an arc structure and is made of a titanium metal material.
As a further aspect of the present invention: the third through-hole is provided with 6 totally, and the inside of third through-hole is seted up threadedly.
As a further aspect of the present invention: first bone nail is the same with second bone nail size, and first bone nail is provided with 3 altogether.
As a further aspect of the present invention: the number of the bolts is 2, and the bolts are made of titanium metal materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the lower support plate is of an arc-shaped structure, so that the sagittal diameter of the vertebral canal can be enlarged to a greater extent, the operation effect of the posterior cervical vertebra single-door opening operation is enhanced, the risk of closing the door of the vertebral plate is avoided, and the installation of doctors is facilitated;
2. the vertebral plate fixing plate can be installed by adjusting the lower supporting plate without excessively opening the vertebral plate in an operation, so that the vertebral plate fixing plate can be effectively prevented from being excessively opened during installation to cause extra injury to bones and bring convenience to the installation of a doctor;
3. through setting up first through-hole and second through-hole, can make things convenient for in the operation, according to the actual conditions of patient's vertebral plate and lateral mass, select suitable fixed position, increased the installation reliability of vertebral plate fixed plate, promote the effect of operation.
Drawings
FIG. 1 is a schematic view of a vertebral plate fixation plate for ease of installation;
FIG. 2 is a front view of a lamina fixation plate for ease of installation;
FIG. 3 is a schematic view of the lower support plate of the vertebral plate fixation plate for easy installation;
FIG. 4 is a schematic view of the structure of a slot in a vertebral plate fixation plate for easy installation;
fig. 5 is an enlarged view of a portion a in fig. 4.
In the figure: 1. an upper fixing plate; 2. a first through hole; 3. a first bone pin; 4. an upper support plate; 5. a bolt; 6. a card sleeve; 7. a third through hole; 8. a lower support plate; 9. a second bone pin; 10. a lower fixing plate; 11. a second clamping plate; 12. a first clamping plate; 13. a chute; 14. a second through hole; 15. a lower fixing mechanism; 16. and an upper fixing mechanism.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the present invention, a vertebral plate fixing plate convenient for installation comprises a sleeve 6, a bolt 5 is embedded in a side wall of the sleeve 6, a chute 13 is formed at a bottom end of the sleeve 6, a lower support plate 8 is slidably connected to an inside of the chute 13, a third through hole 7 is formed in a side wall of the lower support plate 8, a second clamping plate 11 is arranged at a bottom end of the lower support plate 8, the lower support plate 8 is in a circular arc structure, the lower support plate 8 is made of titanium material, the lower support plate 8 is in a circular arc structure, a sagittal diameter of a vertebral canal can be enlarged, an operation effect of a cervical vertebra posterior approach single-open door operation is enhanced, a risk of accidental door closing of the vertebral plate is avoided, the lower support plate 8 can slide in the chute through the chute 13, so that a length of the lower support plate 8 can be adjusted, in an operation, the installation, cause extra injury to patient's skeleton, can adjust lower support plate 8 to suitable length simultaneously according to patient's actual conditions to the scope of control vertebral plate door is opened, expands the spinal canal sagittal footpath to suitable size.
The side wall of the lower supporting plate 8 is provided with a lower fixing mechanism 15 at a position close to the lower part of the third through hole 7, the upper end of the cutting sleeve 6 is welded with the upper supporting plate 4, the top of the upper supporting plate 4 is provided with an upper fixing mechanism 16, the side wall of the upper supporting plate 4 is provided with a first clamping plate 12, the upper fixing mechanism 16 comprises an upper fixing plate 1, a first through hole 2 and a first bone nail 3, the top of the upper fixing plate 1 is provided with the first through hole 2, the inner thread of the first through hole 2 is connected with the first bone nail 3, the lower fixing mechanism 15 comprises a second bone nail 9, a lower fixing plate 10 and a second through hole 14, the top of the lower fixing plate 10 is provided with the second through hole 14, the inner thread of the second through hole 14 is connected with the second bone nail 9, the number of the third through holes 7 is 6, the screw thread is arranged in the third through hole 7, the first bone nail 3 and the second bone nail 9 are the same, bolt 5 is provided with 2 altogether, and bolt 5 adopts titanium metal material, through setting up first through-hole 2 and second through-hole 14, can conveniently select suitable fixed position according to the actual conditions of patient's vertebral plate and lateral mass in the operation, implants first bone nail 3 and second bone nail 9 to it is fixed to form between the side of opening the door of vertebral plate and the lateral mass, has increased the installation reliability of vertebral plate fixed plate, promotes the effect of operation.
The utility model discloses a theory of operation is: in the operation, the vertebral plate is opened, form and open the door, need install the vertebral plate fixed plate, loosen bolt 5, slide lower support plate 8 to the inside of spout 13, thereby shorten the whole length of vertebral plate fixed plate, patient's vertebral plate is opened the back, open the vertebral plate side card with the vertebral plate and go into in first cardboard 12, go into in the second cardboard 11 with the side piece card simultaneously, first cardboard 12 and second cardboard 11, can prevent effectively that the vertebral plate fixed plate from taking place to slide in vertebral plate side or the side piece side of opening the door, influence the going on of operation, make the installation of vertebral plate fixed plate more firm, according to patient's actual conditions, adjust lower support plate 8, lower support plate 8 slides in cutting ferrule 6, adjust to suitable position, and align bolt 5 and third through hole 7, tighten bolt 5, bolt 5 passes third through hole 7, thereby will support plate 8 down, form preliminary support between vertebral plate side and the side piece, drilling holes at the corresponding parts of the first through holes 2 on the vertebral plate, implanting first bone nails 3 into the vertebral plate through the first through holes 2, wherein the top of the upper fixing plate 1 is provided with 3 first through holes 2, two of the first through holes 2 can be selected or all the first through holes 2 can be selected, implanting the first bone nails 3, pre-tightening the first bone nails 3, the vertebral plate and the upper fixing plate 1 form preliminary fastening, drilling holes at the parts corresponding to the second through holes 14 on the lateral mass, then implanting second bone nails 9 through the second through holes 14, pre-tightening the second bone nails 9, the lateral mass and the lower fixing plate 10 form preliminary fastening, slightly adjusting the upper fixing plate 1 and the lower fixing plate 10, preventing the upper fixing plate 1 and the lower fixing plate 10 from being twisted to influence the fixing effect, and sequentially tightening all the implanted first bone nails 3 and second bone nails 9, thereby forming a stable support between the door opening side and the lateral mass of the vertebral plate, the sagittal diameter of the spinal canal is enlarged.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a vertebral plate fixed plate convenient to installation, includes cutting ferrule (6), its characterized in that, bolt (5) are installed in the lateral wall embedding of cutting ferrule (6), and the bottom of cutting ferrule (6) has seted up spout (13), the inside sliding connection of spout (13) has bottom support plate (8), third through-hole (7) have been seted up to the lateral wall of bottom support plate (8), and the bottom of bottom support plate (8) is provided with second cardboard (11), the below position department that the lateral wall of bottom support plate (8) is close to third through-hole (7) is provided with down fixed establishment (15), backup pad (4) are gone up in the welding of the upper end of cutting ferrule (6), the top of going up backup pad (4) is provided with fixed establishment (16), and the lateral wall of going up backup pad (4) is provided with first cardboard (12).
2. An easily installed vertebral plate fixing plate according to claim 1, characterized in that the upper fixing mechanism (16) comprises an upper fixing plate (1), a first through hole (2) and a first bone nail (3), the first through hole (2) is opened at the top of the upper fixing plate (1), and the first bone nail (3) is connected to the inside of the first through hole (2) in a threaded manner.
3. An easily installed vertebral plate fixing plate according to claim 2, characterized in that the lower fixing mechanism (15) comprises a second bone nail (9), a lower fixing plate (10) and a second through hole (14), the top of the lower fixing plate (10) is provided with the second through hole (14), and the second bone nail (9) is connected to the inner thread of the second through hole (14).
4. An easily installed vertebral plate fixing plate according to claim 1, characterized in that the lower support plate (8) is of a circular arc structure, and the lower support plate (8) is made of titanium metal material.
5. An easily installed vertebral plate fixing plate according to claim 1, characterized in that the number of said third through holes (7) is totally 6, and the inside of the third through holes (7) is threaded.
6. A lamina fixed plate easy to install according to claim 3, characterized in that the first bone screw (3) is the same size as the second bone screw (9) and the number of the first bone screws (3) is 3.
7. An easily installed laminboard fixing plate according to claim 1, wherein there are 2 bolts (5) and the bolts (5) are made of titanium metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215482.0U CN210384023U (en) | 2019-02-20 | 2019-02-20 | Vertebral plate fixing plate convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215482.0U CN210384023U (en) | 2019-02-20 | 2019-02-20 | Vertebral plate fixing plate convenient to install |
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| Publication Number | Publication Date |
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| CN210384023U true CN210384023U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920215482.0U Active CN210384023U (en) | 2019-02-20 | 2019-02-20 | Vertebral plate fixing plate convenient to install |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426217A (en) * | 2020-10-30 | 2021-03-02 | 北京大学第三医院（北京大学第三临床医学院） | Spinous process reconstruction opening door plate |
-
2019
- 2019-02-20 CN CN201920215482.0U patent/CN210384023U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426217A (en) * | 2020-10-30 | 2021-03-02 | 北京大学第三医院（北京大学第三临床医学院） | Spinous process reconstruction opening door plate |
| CN112426217B (en) * | 2020-10-30 | 2022-03-04 | 北京大学第三医院（北京大学第三临床医学院） | Spinous process reconstruction opening door plate |
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