CN202654209U - Articular process fixing device - Google Patents
Articular process fixing device Download PDFInfo
- Publication number
- CN202654209U CN202654209U CN 201220324442 CN201220324442U CN202654209U CN 202654209 U CN202654209 U CN 202654209U CN 201220324442 CN201220324442 CN 201220324442 CN 201220324442 U CN201220324442 U CN 201220324442U CN 202654209 U CN202654209 U CN 202654209U
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- CN
- China
- Prior art keywords
- liner
- articular process
- fixing device
- process fixture
- articular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an articular process fixing device and relates to a surgical instrument for treating degeneration of articular processes of spinal columns. The fixing device comprises a liner and positioning needles; two sides of the liner are provided with the positioning needles; two ends of the positioning needles are provided with tips; the liner is a disc-shaped liner; and the tips at the two ends of the positioning needles are provided with barbs for preventing the articular process fixing device from being moved. After the liner is inserted into a joint space, two ends of a positioning rod are bent by using a nailing device, and then the device is inserted into bone joints for fixing. The liner is made of a cobalt-chromium material or a stainless steel material. The articular process fixing device is a built-in joint device, bone substances are not needed to be cut off, and by using a minimally invasive technology, small incisions can be cut on skin of two sides behind a facet joint, and then the fixing device can be implanted. The articular process fixing device is reasonable in design, simple in structure, can be installed conveniently during surgery, and reduces the pain of patients; and by the device, the patients can recover quickly after surgery. The articular process fixing device provides a solution for guaranteeing the movement of structures behind the spinal column.
Description
Technical field
What this utility model articular process fixture related to is a kind of surgical instruments that is used for the treatment of the prominent regression of joint of vertebral column.
Background technology
The major function of zygapophysial joints is to carry load and the restraint of spinal column.This articular surface is that synovial fluid soaks to be covered under the cartilage and manages articular cartilage, and this construction features degenerative osteoarthritis occurs easily and changes, and this is so that zygapophysial joints may become an important pain source.
The regression of zygapophysial joints has changed normal spinal motion mechanics.The forfeiture of this function will increase other and keep the movable failed risk of intervertebral.
Summary of the invention
The purpose of this utility model is to provide a kind of articular process fixture for above-mentioned disease, has solved the problem of above-mentioned disease, and the articular process fixture structure is simple, and it is easy for installation to perform the operation, and reduces patient's misery, is convenient to post-operative recovery.The articular process fixture provides a kind of solution for the activity of preservation spinal rear structure.
This utility model articular process fixture takes following technical scheme to realize: the articular process fixture comprises liner and positioning needle.The liner both sides are equipped with positioning needle, and pin positioning needle two ends are provided with top, are provided with agnail at top head, and after the liner installation, the agnail that the positioning needle two ends are provided with prevents the activity of articular process fixture.Liner is dish-shaped liner, and liner adopts cobalt-chromium material or stainless steel material processing, and liner has different sizes, adapts to different cases by different diameters and thickness.
Operation principle:
Select the articular process fixture of a suitable size, do the joint capsule excision at the place, joint space, otch will guarantee enough length, articular process fixture liner is inserted between the joint space, after liner is put into, utilize nailing device with the locating rod bending of liner both sides, insert in the osteoarthrosis, the pawl on the locating rod is inserted in the osteoarthrosis fully.
Articular process fixture advantage:
The articular process fixture is a kind of built-in joint arrangement, does not need to carry out the sclerotin excision, adopts less invasive techniques, and it is namely implantable to do little otch at both sides, rear, little joint skin.The articular process fixture is reasonable in design, and is simple in structure, and it is easy for installation to perform the operation, and reduces patient's misery, is convenient to post-operative recovery.The articular process fixture provides a kind of solution for the activity of preservation spinal rear structure.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Fig. 1 is articular process fixture unused state structural representation.
Fig. 2 is the cutaway view of the liner A-A of articular process fixture.
Fig. 3 is the positioning needle head partial enlarged drawing of articular process fixture.
Fig. 4 is articular process fixture user mode structural representation.
The specific embodiment
With reference to accompanying drawing 1,2,3,4, the articular process fixture comprises liner 2 and positioning needle 1.Positioning needle 1 is fixed on liner 2 both sides, and it is top 3 that positioning needle 1 two ends are provided with, and is provided with agnail 4 at top head.
2 one-tenth cambered surfaces of liner 5, insert between the joint space, and fit with zygapophysial joints, it is top 3 that locating rod 1 two ends are provided with, and is provided with agnail 4 at top head, after liner 2 inserts the joint space, utilize nailing device, with locating rod 1 bending two ends, insert in the osteoarthrosis fixing, utilize the top and agnail of locating rod 1 head to fix, pad displacement when preventing physical activity.
Claims (5)
1. an articular process fixture is characterized in that: comprise liner and positioning needle; The liner both sides are equipped with positioning needle, and pin positioning needle two ends are provided with top.
2. described articular process fixture according to claim 1, it is characterized in that: described liner is dish-shaped liner.
3. described articular process fixture according to claim 1 is characterized in that: be provided with agnail on described positioning needle two ends are top, prevent the activity of articular process fixture.
4. described articular process fixture according to claim 1, it is characterized in that: described liner utilizes nailing device after inserting the joint space, with the locating rod bending two ends, inserts in the osteoarthrosis fixing.
5. described articular process fixture according to claim 1, it is characterized in that: described liner adopts cobalt-chromium material or stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324442 CN202654209U (en) | 2012-07-06 | 2012-07-06 | Articular process fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324442 CN202654209U (en) | 2012-07-06 | 2012-07-06 | Articular process fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202654209U true CN202654209U (en) | 2013-01-09 |
Family
ID=47449161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324442 Expired - Lifetime CN202654209U (en) | 2012-07-06 | 2012-07-06 | Articular process fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202654209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715942A (en) * | 2012-07-06 | 2012-10-10 | 常州市康辉医疗器械有限公司 | Articular process fixing device |
-
2012
- 2012-07-06 CN CN 201220324442 patent/CN202654209U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715942A (en) * | 2012-07-06 | 2012-10-10 | 常州市康辉医疗器械有限公司 | Articular process fixing device |
| CN102715942B (en) * | 2012-07-06 | 2014-09-10 | 常州市康辉医疗器械有限公司 | Articular process fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |