CN202875460U - Fixture for vertebral reconstruction of axis - Google Patents
Fixture for vertebral reconstruction of axis Download PDFInfo
- Publication number
- CN202875460U CN202875460U CN 201220595975 CN201220595975U CN202875460U CN 202875460 U CN202875460 U CN 202875460U CN 201220595975 CN201220595975 CN 201220595975 CN 201220595975 U CN201220595975 U CN 201220595975U CN 202875460 U CN202875460 U CN 202875460U
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- CN
- China
- Prior art keywords
- titanium net
- stop piece
- reconstruction
- titanium
- axis
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- Expired - Fee Related
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Abstract
The utility model relates to a medical surgery fixer, particularly a fixture for vertebral reconstruction of an axis consisting of a titanium net tube, wherein two arch-shaped separation blades are arranged symmetrically on one end of the titanium net tube, a lower separation blade provided with two screw holes is installed on the other end of the titanium net tube. During an operation, the two arch-shaped upper separation blades on the titanium can closely fit with an anterior arch portion of an atlas C2, the lower separation blade is located on vertebral body of C3, the screw holes on the lower separation blade can be used for fixing, joint action of the upper separation blades and the lower separation blade can bring a strong anti-rotation stress. Besides, the length of the titanium, the upper separation blades and the lower separation blade is designed based on human anatomy, the reconstruction and fixing for vertebral reconstruction of an axis can be directly carried out without trimming for another time. Accordingly, surgical operation processes are greatly simplified, surgical trauma caused by surgeries is very small, and the fixture for vertebral reconstruction of an axis is quite practical.
Description
Technical field
This utility model relates to a kind of medical surgery holder, especially a kind of holder for the dentata vertebral body reconstruction.
Background technology
Vertebral body or full spine resection day by day become treatment C
2The effective means of constitutional and part metastatic tumo(u)r, yet because the particularity of dentata structure, so that the dentata structural remodeling after the excision and remarkable.There is the scholar once to use different materials and device to implement C
2Front pillar is rebuild internal fixation, and obtained certain clinical effectiveness comprise bone cement/Kirschner wire system, from body/allosome plastotype bone and special-shaped titanium net etc., wherein but the titanium net is subject to extensive concern and application with characteristics such as its good plastotype, intensity and filled biomass bone material.
It is that 25.5-27 millimeter and diameter are 13 millimeters cylindric titanium net duct (titanium net duct) that the titanium net refers generally to length, although it has the large characteristics of plasticity, fillable and intensity, but its cylindrical shape determines that it is not strong to rotation stress proofing, and operation is complicated in the dentata vertebral body reconstruction fixation procedure, and caused operation wound is relatively large.If cylindric titanium net duct is pruned, but the doctor may lack relevant morphological parameters again, only performs the operation with its experience, and then patient's operation risk is very large.
The utility model content
The purpose of this utility model just is the deficiency for above-mentioned technology, a kind of holder for the dentata vertebral body reconstruction is provided, and it has practical shape and the dimension scale of relative standard, need not again prune, caused operation wound is very little, and fixing operation and use are all very convenient.
The technical solution of the utility model is:A kind of holder for the dentata vertebral body reconstruction, it comprises a titanium net duct, it is characterized in that: described titanium net duct, the one end is arranged with two circular-arc upper stop pieces, and the other end is provided with a lower stop piece, and lower stop piece is provided with two screw holes, two upper stop pieces and lower stop piece are all the 80-100 degree with respect to the crooked radian of the titanium net duct tubular axis heart, two upper stop pieces arrange with respect to titanium net duct sidewall hypsokinesis 5-8 degree, and upper stop piece length is all the 10-11 millimeter, and lower stop piece length is the 8-9 millimeter.
The beneficial effects of the utility model are:During operation, two circular-arc upper stop pieces of titanium net duct can with atlas C
2Anterior arch closely agrees with, and lower stop piece then is seated C
3On the vertebral body, the screw hole on the lower stop piece can be used for fixing, and upper stop piece and lower stop piece combined effect can bring superpower rotation stress proofing; And, the length of its titanium net duct, upper stop piece and lower stop piece designs according to the human dissection mathematic(al) parameter, so it need not again prune and just can directly carry out the dentata vertebral body reconstruction and fix, and not only can greatly simplify the operation technique flow process, and caused operation wound is very little, and is very practical.
Description of drawings
Below in conjunction with drawings and Examples further to this utility model explanation.
Fig. 1 is structural representation of the present utility model.
Among Fig. 1,1 is titanium net duct, and 2 is upper stop piece, and 3 is lower stop piece, and 4 is screw hole.
The specific embodiment
As shown in Figure 1, a kind of holder for the dentata vertebral body reconstruction, it comprises a titanium net duct 1, and described titanium net duct 1, one end are arranged with two circular-arc upper stop pieces 2, the other end is provided with a lower stop piece 3, lower stop piece 3 is provided with two screw holes, 4, two upper stop pieces 2 and lower stop piece 3 can be all 90 degree with respect to the crooked radian of the titanium net duct 1 tubular axis heart, and two upper stop pieces 2 can arrange by hypsokinesis 6 degree with respect to titanium net duct 1 sidewall, upper stop piece 2 length are all 10 millimeters, and lower stop piece 3 length are 9 millimeters.
According to the human dissection mathematic(al) parameter as can be known, the C of dentata vertebral body
2Anterior arch and C
3The distance of vertebral body is at the 24.1-31.2 millimeter, and meansigma methods is 27.33 millimeters, C
2Anterior arch height 9.14-14.50 millimeter, C
2Anterior arch transverse diameter 13.54-17.18 millimeter, C
3Vertebral height 11.4-16.1 millimeter, C
3Diameter is the 14.6-18.7 millimeter before and after the vertebral body, thereby can to select length be 27 millimeters titanium net duct 1, upper stop piece 2 length be 10 millimeters more reasonable, lower stop piece 3 length be 9 millimeters also reasonable, lower stop piece 3 length are less than 11.4 millimeters, and two upper stop pieces 2 are gently suitable with respect to titanium net duct 1 sidewall hypsokinesis 6 degree as can be known by calculating.During operation, two circular-arc upper stop pieces 2 of titanium net duct 1 can with C
2Anterior arch closely agrees with, and lower stop piece 3 also can be seated C
3On the vertebral body, the screw hole 4 on the lower stop piece 3 can be fixed, and upper stop piece 2 and lower stop piece 3 combineds effect can bring superpower rotation stress proofing, and the operation implementation process can reach perfect.
Claims (1)
1. holder that is used for the dentata vertebral body reconstruction, it comprises a titanium net duct, it is characterized in that: described titanium net duct, the one end is arranged with two circular-arc upper stop pieces, and the other end is provided with a lower stop piece, and lower stop piece is provided with two screw holes, two upper stop pieces and lower stop piece are all the 80-100 degree with respect to the crooked radian of the titanium net duct tubular axis heart, two upper stop pieces arrange with respect to titanium net duct sidewall hypsokinesis 5-8 degree, and upper stop piece length is all the 10-11 millimeter, and lower stop piece length is the 8-9 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595975 CN202875460U (en) | 2012-11-13 | 2012-11-13 | Fixture for vertebral reconstruction of axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595975 CN202875460U (en) | 2012-11-13 | 2012-11-13 | Fixture for vertebral reconstruction of axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202875460U true CN202875460U (en) | 2013-04-17 |
Family
ID=48066933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220595975 Expired - Fee Related CN202875460U (en) | 2012-11-13 | 2012-11-13 | Fixture for vertebral reconstruction of axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202875460U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105853032A (en) * | 2016-06-06 | 2016-08-17 | 陆宁 | Second cervical vertebra replacement body |
| CN109567918A (en) * | 2018-11-27 | 2019-04-05 | 中南大学湘雅医院 | Medical titanium alloy cone-plate positioning system |
-
2012
- 2012-11-13 CN CN 201220595975 patent/CN202875460U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105853032A (en) * | 2016-06-06 | 2016-08-17 | 陆宁 | Second cervical vertebra replacement body |
| CN105853032B (en) * | 2016-06-06 | 2017-12-01 | 陆宁 | Axis replacement |
| CN109567918A (en) * | 2018-11-27 | 2019-04-05 | 中南大学湘雅医院 | Medical titanium alloy cone-plate positioning system |
| CN109567918B (en) * | 2018-11-27 | 2020-07-17 | 中南大学湘雅医院 | Medical titanium alloy conical plate positioning system |
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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: 20130417 Termination date: 20141113 |
|
| EXPY | Termination of patent right or utility model |