CN204931902U - Fusing device between a kind of cone - Google Patents
Fusing device between a kind of cone Download PDFInfo
- Publication number
- CN204931902U CN204931902U CN201520303038.6U CN201520303038U CN204931902U CN 204931902 U CN204931902 U CN 204931902U CN 201520303038 U CN201520303038 U CN 201520303038U CN 204931902 U CN204931902 U CN 204931902U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- fusing device
- gripper shoe
- several
- vertebra
- 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 - Fee Related
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Abstract
This utility model relates to fusing device, a kind of inter vertebral fusing device specifically, comprise the hollow cylinder that can be placed between two vertebras, cylinder perisporium has opened several through hole, a gripper shoe is respectively arranged with at these cylinder two ends, each gripper shoe lateral surface is provided with several annular groove, is provided with several micropore communicated with inner chamber in each annular groove.This utility model arranges gripper shoe at the two ends of cylinder, make gripper shoe and vertebra end contact, less cylinder end face can be avoided directly to contact with vertebra, thus increase the contact area of fusing device and vertebra, prevent fusing device from deviating from, improve the stability of fusing device.
Description
Technical field
This utility model belongs to medical apparatus and instruments, is specifically related to fusing device between cone.
Background technology
Between existing cone, the profile of fusing device is similar to one and has certain thickness cuboid, and the physiological curve design of vertebra end face is pressed on the long limit of cuboid.When performing the operation, fusing device between this cone being put between two joint vertebras, making the long limit contact vertebra end face of the cuboid of fusing device between this cone, then implanting allogeneic.Between this cone, fusing device is due to less with the contact area of vertebra end face, so less stable, and is rigid contact, easily causes bone resorption to subside, and then causes fixing loosening, and meanwhile, between this cone, fusing device operation wound face is large.
Utility model content
For above-mentioned technical problem, this utility model provides a kind of comparatively large with vertebra contact area, inter vertebral fusing device of preventing fusing device from deviating from.
This utility model solves the problems of the technologies described above adopted technical scheme: a kind of inter vertebral fusing device, comprise the hollow cylinder that can be placed between two vertebras, cylinder perisporium has opened several through hole, a gripper shoe is respectively arranged with at these cylinder two ends, each gripper shoe lateral surface is provided with several annular groove, is provided with several micropore communicated with inner chamber in each annular groove.
As preferably, described in each, gripper shoe medial surface inwardly forms closed collar flange, and described cylinder two ends snap in corresponding collar flange and the end face at cylinder two ends is resisted against on the medial surface of corresponding gripper shoe.
As preferably, the radial screw being provided with several fixed cylinder on described flange.
As can be known from the above technical solutions, this utility model arranges gripper shoe at the two ends of cylinder, make gripper shoe and vertebra end contact, less cylinder end face can be avoided directly to contact with vertebra, thus increase the contact area of fusing device and vertebra, prevent fusing device from deviating from, improve the stability of fusing device.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic top plan view of Fig. 1.
Detailed description of the invention
Introduce fusing device between cone of the present utility model in detail below in conjunction with Fig. 1, Fig. 2, it comprises the hollow cylinder 1 that can be placed between two vertebras, and cylinder perisporium has opened several through hole 2, can alleviate the weight of fusing device so on the one hand, is conducive to bone grafting on the other hand; Be respectively arranged with a gripper shoe 3 at cylinder two ends, thus increase the contact area of fusing device and vertebra end face, each gripper shoe has been opened several annular groove 4, offer the micropore 5 communicated with cylinder intracavity in each annular groove, micropore is convenient to the osteogenesis in cylinder; Annular groove can increase the frictional force of vertebra and supporting surface on the one hand, weight reduction on the other hand.Gripper shoe of the present utility model can adopt BNP material to make, and makes fusing device and vertebra end face keep flexible contact, can prevent bone resorption from subsiding.
In implementation process, because one-body molded gripper shoe and cylinder are comparatively difficult, this utility model gripper shoe medial surface described in each inwardly forms closed collar flange 31, described cylinder two ends snap in corresponding collar flange and the end face at cylinder two ends is resisted against on the medial surface of corresponding gripper shoe, and cylinder is connected with gripper shoe; In order to make connection reliable, the radial screw 6 being provided with several fixed cylinder on described flange, thus ensure to be connected firmly.
Above-mentioned embodiment is only for illustration of the utility model, and be not to restriction of the present utility model, the those of ordinary skill of relevant technical field, when not departing from this utility model spirit and scope, can also make various change and modification, therefore all equivalent technical schemes also should belong to category of the present utility model.
Claims (3)
1. fusing device between a cone, it is characterized in that: comprise the hollow cylinder that can be placed between two vertebras, cylinder perisporium has opened several through hole, a gripper shoe is respectively arranged with at these cylinder two ends, each gripper shoe lateral surface is provided with several annular groove, is provided with several micropore communicated with inner chamber in each annular groove.
2. fusing device between boring according to claim 1, it is characterized in that: described in each, gripper shoe medial surface inwardly forms closed collar flange, described cylinder two ends snap in corresponding collar flange and the end face at cylinder two ends is resisted against on the medial surface of corresponding gripper shoe.
3. fusing device between boring according to claim 2, is characterized in that: the radial screw being provided with several fixed cylinder on described flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303038.6U CN204931902U (en) | 2015-05-12 | 2015-05-12 | Fusing device between a kind of cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303038.6U CN204931902U (en) | 2015-05-12 | 2015-05-12 | Fusing device between a kind of cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204931902U true CN204931902U (en) | 2016-01-06 |
Family
ID=54999367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520303038.6U Expired - Fee Related CN204931902U (en) | 2015-05-12 | 2015-05-12 | Fusing device between a kind of cone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204931902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481089A (en) * | 2017-09-13 | 2019-03-19 | 重庆润泽医药有限公司 | A kind of porous tantalum tantalum stick |
-
2015
- 2015-05-12 CN CN201520303038.6U patent/CN204931902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481089A (en) * | 2017-09-13 | 2019-03-19 | 重庆润泽医药有限公司 | A kind of porous tantalum tantalum stick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20170512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |