CN215651469U - Cervical vertebra posterior approach vertebral canal enlarging reconstruction steel plate - Google Patents
Cervical vertebra posterior approach vertebral canal enlarging reconstruction steel plate Download PDFInfo
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- CN215651469U CN215651469U CN202121893250.4U CN202121893250U CN215651469U CN 215651469 U CN215651469 U CN 215651469U CN 202121893250 U CN202121893250 U CN 202121893250U CN 215651469 U CN215651469 U CN 215651469U
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Abstract
The utility model relates to a posterior cervical vertebra canal enlarging reconstruction steel plate, which is characterized in that: the two ends of the arc main body supporting plate are respectively provided with a cervical vertebra side block fixing plate and a vertebral plate fixing plate, and the cervical vertebra side block fixing plate and the vertebral plate fixing plate are respectively provided with a screw positioning hole; one side of the vertebral lamina fixing plate is provided with a spinous process fixing plate, and the spinous process fixing plate is provided with a spinous process positioning part. The cervical posterior spinal canal expanding and rebuilding steel plate is provided with a spinous process fixing plate on the steel plate and is used for fixing the original spinous process and recovering the suspension and fixation effect of the supraspinous ligament on the vertebral plate. Therefore, the postoperative patient can recover the original physiological structure, the life quality of the patient is improved, and the life confidence is reconstructed.
Description
Technical Field
The utility model relates to a posterior cervical vertebra canal enlarging and reconstructing steel plate, and belongs to the field of medical instruments.
Background
The cervical vertebroplasty with one door is an important means for treating cervical vertebra diseases, and is a process of cutting off the spinous process of cervical vertebra, exposing vertebral lamina, using one side vertebral lamina as a hinge and the other side vertebral lamina with a door, and fixing with a steel plate. However, in the existing operation, the spinous process and the vertebral plates at two sides are exposed through the approach of the supraspinous ligament, the spinous process is cut and discarded, the supraspinous ligament is not connected with the vertebral plates when the incision is closed, the original physiological structure is damaged, and the axial symptoms of a patient after the operation are obvious. After the operation is recovered, uncomfortable symptoms are brought to the patient, and the operation effect and the life quality of the patient are reduced.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a posterior cervical spine canal expanding and reconstructing steel plate, wherein a spinous process fixing plate is arranged on the steel plate and used for fixing the original spinous process and recovering the suspension and fixation effect of the supraspinous ligament on the vertebral plate. Therefore, the postoperative patient can recover the original physiological structure, the life quality of the patient is improved, and the life confidence is reconstructed.
In order to solve the above problems, the specific technical scheme of the utility model is as follows: a posterior cervical vertebra canal expanding reconstruction steel plate is characterized in that a cervical vertebra side block fixing plate and a vertebral plate fixing plate are respectively arranged at two ends of an arc-shaped main body supporting plate, and screw positioning holes are respectively formed in the cervical vertebra side block fixing plate and the vertebral plate fixing plate; one side of the vertebral lamina fixing plate is provided with a spinous process fixing plate, and the spinous process fixing plate is provided with a spinous process positioning part.
The spinous process positioning part is two vertically arranged screw positioning holes, a single screw positioning hole or a small through hole with the diameter smaller than 5 mm.
The outer surface of the spinous process fixing plate and the upper surface of the vertebral plate fixing plate form an included angle of 50-120 degrees.
The upper end of main part backup pad be equipped with the supporting leg, the upper surface of going up the supporting leg and the lower surface distance of vertebral plate fixed plate be the thickness of cervical vertebra corresponding position.
The lower end of the main body supporting plate is provided with a lower supporting leg which is of an inverted triangular structure and is arranged on the bottom surface of the cervical vertebra side block fixing plate, and the outer surface of the lower supporting leg is attached to the corresponding position of the cervical vertebra.
The width of the upper part of the main body supporting plate is larger than that of the lower part, and the width of the upper part is equal to the sum of the widths of the vertebral lamina fixing plate and the spinous process fixing plate.
The vertebral plate fixing plate is provided with two screw positioning holes, and the central connecting line of the two screw positioning holes is arranged along the length direction of the vertebral plate fixing plate; the cervical vertebra side block fixing plate is provided with two screw positioning holes, and the central connecting line of the two screw positioning holes is arranged along the width direction of the cervical vertebra side block fixing plate.
Two side end surfaces in the middle of the main body supporting plate are symmetrically provided with clamping grooves.
The spinous process fixing plate is arranged on the cervical posterior vertebral canal expanding and rebuilding steel plate and used for fixing the cut spinous process and enabling the spinous process to grow together with the positioning part, so that the original physiological structure is guaranteed, the axial symptom is relieved, the cervical vertebra physiological curve of a patient is restored in a long term, and the pain of the patient is relieved.
Drawings
Fig. 1 is a perspective view of a posterior cervical spine canal enlargement reconstruction steel plate according to an embodiment.
Fig. 2 is a front view of an enlarged reconstruction steel plate for a posterior cervical vertebral canal according to an embodiment.
Fig. 3 is a perspective view of another direction of the posterior cervical spine canal enlargement reconstruction steel plate according to the embodiment.
Fig. 4 is a perspective view of the second embodiment of the posterior cervical spine enlarged reconstruction steel plate.
Fig. 5 is a perspective view of the three-cervical posterior spinal canal enlargement reconstruction steel plate of the embodiment.
Fig. 6 is an application state diagram of the cervical posterior spinal canal enlargement reconstruction steel plate.
Detailed Description
Example one
As shown in fig. 1 to 3, a posterior cervical spine canal expanding and reconstructing steel plate, wherein a cervical vertebra side block fixing plate 2 and a vertebral plate fixing plate 3 are respectively arranged at two ends of an arc-shaped main body supporting plate 1, screw positioning holes 4 are respectively arranged on the cervical vertebra side block fixing plate 2 and the vertebral plate fixing plate 3, the vertebral plate fixing plate 3 is provided with two screw positioning holes 4, and a central connecting line of the two screw positioning holes 4 is arranged along the length direction of the vertebral plate fixing plate 3; the cervical vertebra side block fixing plate 2 is provided with two screw positioning holes 4, and the central connecting line of the two screw positioning holes 4 is arranged along the width direction of the cervical vertebra side block fixing plate 2; a spinous process fixing plate 5 is arranged on one side of the vertebral plate fixing plate 3, two vertical screw positioning holes are formed in the spinous process fixing plate 5, and two screws are used for fixing the spinous process with the higher height. As shown in fig. 6, the application state of the steel plate after the spinous process reconstruction is schematically shown.
The outer surface of the spinous process fixing plate 5 and the upper surface of the vertebral plate fixing plate 3 form an included angle of 50-120 degrees.
The upper end of the main body supporting plate 1 is provided with an upper supporting leg 6, and the distance between the upper surface of the upper supporting leg 6 and the lower surface of the vertebral plate fixing plate 3 is the thickness of the corresponding position of the cervical vertebra.
The lower end of the main body supporting plate 1 is provided with a lower supporting leg 7, the lower supporting leg 7 is of an inverted triangle structure and is arranged on the bottom surface of the cervical vertebra side block fixing plate 2, and the outer surface of the lower supporting leg 7 is attached to the corresponding position of the cervical vertebra.
The width of the upper part of the main body supporting plate 1 is larger than that of the lower part, and the width of the upper part is equal to the sum of the widths of the vertebral lamina fixing plate 3 and the spinous process fixing plate 5, so that the end surface of the main body supporting plate 1 is streamline, and the appearance is more attractive. The two side end surfaces in the middle of the main body supporting plate 1 are symmetrically provided with the clamping grooves 8, so that the plate forceps are adopted to clamp the main body supporting plate for the operation, and the main body supporting plate is convenient to install and fix.
Example two
As shown in fig. 4, the remaining structure is the same as the embodiment except that the spinous process positioning portion is a single screw positioning hole, and positioning can be performed for spinous processes with medium height.
EXAMPLE III
As shown in fig. 5, the remaining structure is the same as the embodiment except that the spinous process positioning part is a small through hole with a diameter smaller than 5mm, and the positioning can be performed by using a steel cable for the spinous process with a lower height.
Claims (8)
1. The utility model provides a steel sheet is rebuild in cervical vertebra way of escape canalis spinalis enlargement which characterized in that: two ends of the arc-shaped main body supporting plate (1) are respectively provided with a cervical vertebra side block fixing plate (2) and a vertebral plate fixing plate (3), and the cervical vertebra side block fixing plate (2) and the vertebral plate fixing plate (3) are respectively provided with a screw positioning hole (4); one side of the vertebral lamina fixing plate (3) is provided with a spinous process fixing plate (5), and the spinous process fixing plate (5) is provided with a spinous process positioning part.
2. The posterior cervical canal enlargement reconstruction plate of claim 1, wherein: the spinous process positioning part is two vertically arranged screw positioning holes, a single screw positioning hole or a small through hole with the diameter smaller than 5 mm.
3. The posterior cervical canal enlargement reconstruction plate of claim 1, wherein: the outer surface of the spinous process fixing plate (5) and the upper surface of the vertebral plate fixing plate (3) form an included angle of 50-120 degrees.
4. The posterior cervical canal enlargement reconstruction plate of claim 1, wherein: the upper end of main part backup pad (1) be equipped with supporting leg (6), the lower surface distance of the upper surface of going up supporting leg (6) and vertebral plate fixed plate (3) is the thickness of cervical vertebra corresponding position.
5. The posterior cervical canal enlargement reconstruction plate of claim 1, wherein: the lower end of the main supporting plate (1) is provided with a lower supporting leg (7), the lower supporting leg (7) is of an inverted triangle structure and is arranged on the bottom surface of the cervical vertebra side block fixing plate (2), and the outer surface of the lower supporting leg (7) is attached to the corresponding position of the cervical vertebra.
6. The posterior cervical canal enlargement reconstruction plate of claim 1, wherein: the width of the upper part of the main body supporting plate (1) is larger than that of the lower part, and the width of the upper part is equal to the sum of the widths of the vertebral lamina fixing plate (3) and the spinous process fixing plate (5).
7. The posterior cervical canal enlargement reconstruction plate of claim 1, wherein: the vertebral plate fixing plate (3) is provided with two screw positioning holes (4), and the central connecting line of the two screw positioning holes (4) is arranged along the length direction of the vertebral plate fixing plate (3); the cervical vertebra side block fixing plate (2) is provided with two screw positioning holes (4), and the central connecting line of the two screw positioning holes (4) is arranged along the width direction of the cervical vertebra side block fixing plate (2).
8. The posterior cervical canal enlargement reconstruction plate of claim 1, wherein: two side end surfaces in the middle of the main body supporting plate (1) are symmetrically provided with clamping grooves (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121893250.4U CN215651469U (en) | 2021-08-13 | 2021-08-13 | Cervical vertebra posterior approach vertebral canal enlarging reconstruction steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121893250.4U CN215651469U (en) | 2021-08-13 | 2021-08-13 | Cervical vertebra posterior approach vertebral canal enlarging reconstruction steel plate |
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| Publication Number | Publication Date |
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| CN215651469U true CN215651469U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121893250.4U Active CN215651469U (en) | 2021-08-13 | 2021-08-13 | Cervical vertebra posterior approach vertebral canal enlarging reconstruction steel plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117017462A (en) * | 2023-09-07 | 2023-11-10 | 上海三友医疗器械股份有限公司 | Be used for cervical vertebra vertebral canal to enlarge forming device and installation device |
-
2021
- 2021-08-13 CN CN202121893250.4U patent/CN215651469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117017462A (en) * | 2023-09-07 | 2023-11-10 | 上海三友医疗器械股份有限公司 | Be used for cervical vertebra vertebral canal to enlarge forming device and installation device |
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