CN204766049U - Fuse ware between awl - Google Patents
Fuse ware between awl Download PDFInfo
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- CN204766049U CN204766049U CN201520301352.0U CN201520301352U CN204766049U CN 204766049 U CN204766049 U CN 204766049U CN 201520301352 U CN201520301352 U CN 201520301352U CN 204766049 U CN204766049 U CN 204766049U
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- cylinder
- ware
- gripper shoe
- vertebra
- utility
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Abstract
The utility model relates to a merge the ware, the fuse ware between awl that specifically says so, it is including placing the cavity cylinder between two vertebras in, and the several through -hole has been opened to the cylinder perisporium, fixes being provided with a backup pad respectively at these cylinder both ends, has opened several and the communicating micropore of cylinder inner chamber in each backup pad. The utility model discloses both ends at the cylinder set up the backup pad for backup pad and vertebra end face contaction can be avoided the less direct and vertebra contact of cylinder terminal surface, thereby increase the area of contact of integration ware with the vertebra, prevent to fuse the ware and deviate from, have improved the stability that fuses the ware.
Description
Technical field
This utility model belongs to medical apparatus and instruments, is specifically related to vertebrae mixer.
Background technology
The profile of existing vertebrae mixer 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, this vertebrae mixer being put between two joint vertebras, making the long limit contact vertebra end face of the cuboid of this vertebrae mixer, then implanting allogeneic.This vertebrae mixer, due to less with the contact area of vertebra end face, so less stable, and be rigid contact, easily cause bone resorption to subside, and then causes fixing loosening, and meanwhile, this vertebrae mixer 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, Invasive lumbar fusion device of preventing fusion device from deviating from.
This utility model solves the problems of the technologies described above adopted technical scheme: a kind of vertebrae mixer, comprise the hollow cylinder that can be placed between two vertebras, cylinder perisporium has opened several through hole, be fixedly installed a gripper shoe respectively at these cylinder two ends, each gripper shoe opened several micropore communicated with cylinder intracavity.
As preferably, the contact surface of gripper shoe described in each and vertebra is the arc of evagination.
As preferably, the circular in cross-section of gripper shoe described in each, its diameter is greater than the external diameter of described cylinder.
As preferably, gripper shoe described in each is arranged with cylinder is concentric.
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 fusion device and vertebra, prevent fusion device from deviating from, improve the stability of fusion device.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Introduce vertebrae mixer of the present utility model in detail below in conjunction with Fig. 1, 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 fusion device so on the one hand, is conducive to bone grafting on the other hand; Be fixedly installed a gripper shoe 3 at cylinder two ends respectively, thus increase the contact area of fusion device and vertebra end face, each gripper shoe is opened several micropore 4 communicated with cylinder intracavity, be convenient to Bone Ingrowth fusion device.
In this utility model, the contact surface of gripper shoe described in each and vertebra is the arc of evagination, and the several described micropore of curved surfaces distribution, makes surface form crude, strengthen the stability of fusion device further, prevent fusion device from coming off.In implementation process, the circular in cross-section of gripper shoe described in each, its diameter is greater than the external diameter of described cylinder, gripper shoe described in each is arranged with cylinder is concentric, such one side can ensure that the contact area of the contact area rate cylinder of gripper shoe and vertebra end face and vertebra end face is large, fusion device uniform force can be ensured on the other hand, improve stability further.Gripper shoe of the present utility model can adopt BNP material to make, and makes fusion device and vertebra end face keep flexible contact, can prevent bone resorption from subsiding.
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 (4)
1. a vertebrae mixer, it is characterized in that: comprise the hollow cylinder that can be placed between two vertebras, cylinder perisporium has opened several through hole, is fixedly installed a gripper shoe respectively at these cylinder two ends, each gripper shoe is opened several micropore communicated with cylinder intracavity.
2. vertebrae mixer according to claim 1, is characterized in that: the contact surface of gripper shoe described in each and vertebra is the arc of evagination.
3. vertebrae mixer according to claim 2, it is characterized in that: the circular in cross-section of gripper shoe described in each, its diameter is greater than the external diameter of described cylinder.
4. vertebrae mixer according to claim 3, is characterized in that: gripper shoe described in each is arranged with cylinder is concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301352.0U CN204766049U (en) | 2015-05-12 | 2015-05-12 | Fuse ware between awl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301352.0U CN204766049U (en) | 2015-05-12 | 2015-05-12 | Fuse ware between awl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204766049U true CN204766049U (en) | 2015-11-18 |
Family
ID=54506194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520301352.0U Expired - Fee Related CN204766049U (en) | 2015-05-12 | 2015-05-12 | Fuse ware between awl |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204766049U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105287061A (en) * | 2015-12-01 | 2016-02-03 | 四川大学华西医院 | Interface type interbody fusion cage |
| CN107898538A (en) * | 2017-12-15 | 2018-04-13 | 苏州博习医疗科技有限公司 | A kind of swell-shrink minimally invasive intervertebral shaping fusing device |
| CN110141403A (en) * | 2019-05-24 | 2019-08-20 | 中南大学湘雅三医院 | Telescopic vertebrae mixer |
| CN113855343A (en) * | 2021-09-30 | 2021-12-31 | 燕山大学 | Reinforced type distractable porous interbody fusion cage |
-
2015
- 2015-05-12 CN CN201520301352.0U patent/CN204766049U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105287061A (en) * | 2015-12-01 | 2016-02-03 | 四川大学华西医院 | Interface type interbody fusion cage |
| CN105287061B (en) * | 2015-12-01 | 2017-08-25 | 四川大学华西医院 | A kind of interfacial type Invasive lumbar fusion device |
| CN107898538A (en) * | 2017-12-15 | 2018-04-13 | 苏州博习医疗科技有限公司 | A kind of swell-shrink minimally invasive intervertebral shaping fusing device |
| CN110141403A (en) * | 2019-05-24 | 2019-08-20 | 中南大学湘雅三医院 | Telescopic vertebrae mixer |
| CN113855343A (en) * | 2021-09-30 | 2021-12-31 | 燕山大学 | Reinforced type distractable porous interbody fusion cage |
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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: 20151118 Termination date: 20170512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |