CN200991298Y - Inverted-clamping internal-locking pressurizing intramedullary nail - Google Patents
Inverted-clamping internal-locking pressurizing intramedullary nail Download PDFInfo
- Publication number
- CN200991298Y CN200991298Y CN 200620157621 CN200620157621U CN200991298Y CN 200991298 Y CN200991298 Y CN 200991298Y CN 200620157621 CN200620157621 CN 200620157621 CN 200620157621 U CN200620157621 U CN 200620157621U CN 200991298 Y CN200991298 Y CN 200991298Y
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- China
- Prior art keywords
- tail end
- utility
- intramedullary nail
- model
- inverse
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- 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
The utility model discloses an inverse block internal locking pressurizing intramedullary pin, which comprises a tail end nut and a bolt connected with the tail end nut through a screw; wherein the bolt is sleeved with a sleeve outside, while the outer side wall of the sleeve is provided with a plurality of invert blocks, and the screw matching with the bolt is arranged on the outer part of the inner wall corresponding to the sleeve; and the tail end nut is connected with an inverse cover at the bottom, while the inverse block is one to three rows in number along the vertical direction and two to five along the circumferential direction; and the inverse cover take the thorn shape in the outer edge. The utility model is planted into the thigh marrow cavity to make the inverse block the marrow cavity rotating in the center and fix the marrow cavity wit the inverse block instead of using any special auxiliary facilities, and the pressurizing function can be realized along with the screwing up of the nut. Thus, the utility model is a tubular needle with good mutual combination and has the advantages of simple structure, convenient usage, low cost, and reliable and safe as well as good fixation effect.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of intramedullary pin that is used for fracture of shaft of femur.
Background technology
Fracture of shaft of femur is commonly encountered diseases, frequently-occurring disease, intramedullary nail with lock is universally acknowledged advanced Therapeutic Method at present, but since far-end to lock is a unsolved so far difficult problem, promptly need expensive C arm X line machine or the high sight device of precision and limit to it widely and apply.
Summary of the invention
The purpose of this utility model is: overcome the above-mentioned deficiency of prior art, provide a kind of need not special auxiliary equipment, simple in structure, convenient and practical, cost is low, safe and reliable, good fixing effect block the internal lock compress intramedullary nail.
This utility model is realized by following scheme: by tail end nut and constituting by the screw rod that is threaded with it, screw jacket has a sleeve pipe, and the outside of sleeve wall is provided with some cards that fall, the screw thread that the corresponding inwall peripheral hardware that falls card of sleeve pipe matches with screw rod.
This utility model is snapped with down lid in tail end nut bottom.
This utility model falls card, and that 1-3 longitudinally is set is capable, is provided with 2-5 along circumferential.
The outer rim of covering described in the utility model is thorn-like.
The best of blocking described in the utility model longitudinally is provided with 2 row, is provided with 3 and evenly lay along circumferential.
This utility model need not special auxiliary equipment, make down kayser live pulp cavity with center convolution in the implanted femur pulp cavity, by fastening, screw with nut and to have pressurization, be one to meet the good tubular pin of human body blending, and simple in structure, convenient and practical, cost is low, safe and reliable, good fixing effect.
Description of drawings
Accompanying drawing is this utility model example structure sketch map.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is elaborated.
This utility model embodiment is reached by tail end nut 1 and constitutes by the screw rod 2 that is threaded with it.Screw rod 2 is outer to be with a sleeve pipe 3, and sleeve pipe 3 lateral walls are snapped with in tail end nut 1 bottom and cover 5, and the outside of sleeve wall longitudinally is provided with 2 row and blocks 4, and every row is laid 3 symmetrically and evenly and blocked 4 along circumferential.Sleeve pipe 3 is corresponding to block the screw thread that 4 inwall peripheral hardware matches with screw rod 2.Cover 5 outer rims and be thorn-like.The implanted femur pulp cavity is interior to make down kayser live pulp cavity with center convolution, fixes by agnail, screws with nut to have pressurization.
Claims (5)
1, a kind of internal lock compress intramedullary nail that blocks, it is characterized in that: reach screw rod (2) formation by being threaded with it by tail end nut (1), the outer sleeve pipe (3) that is with of screw rod (2), sleeve pipe (3) lateral wall is provided with some fall to block (4), the screw thread that the corresponding inwall peripheral hardware that falls to block (4) of sleeve pipe (3) matches with screw rod (2).
2, the internal lock compress intramedullary nail that blocks according to claim 1 is characterized in that: be snapped with down lid (5) in tail end nut (1) bottom.
3, the internal lock compress intramedullary nail that blocks according to claim 1 and 2 is characterized in that: it is capable that the card (4) that falls longitudinally is provided with 1-3, is provided with 2-5 along circumferential.
4, the internal lock compress intramedullary nail that blocks according to claim 1 and 2 is characterized in that: lid (5) outer rim of falling is thorn-like.
5, the internal lock compress intramedullary nail that blocks according to claim 1 and 2 is characterized in that: the card (4) that falls longitudinally is provided with 2 row, is provided with 3 and evenly lay along circumferential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620157621 CN200991298Y (en) | 2006-11-23 | 2006-11-23 | Inverted-clamping internal-locking pressurizing intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620157621 CN200991298Y (en) | 2006-11-23 | 2006-11-23 | Inverted-clamping internal-locking pressurizing intramedullary nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200991298Y true CN200991298Y (en) | 2007-12-19 |
Family
ID=38944371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620157621 Expired - Fee Related CN200991298Y (en) | 2006-11-23 | 2006-11-23 | Inverted-clamping internal-locking pressurizing intramedullary nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200991298Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014040515A1 (en) * | 2012-09-17 | 2014-03-20 | 上海微创骨科医疗科技有限公司 | Pedicle screw having barbs and pedicle screw forming pusher and method |
| CN110934631A (en) * | 2019-11-14 | 2020-03-31 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Metacarpal-phalangeal intramedullary needle |
-
2006
- 2006-11-23 CN CN 200620157621 patent/CN200991298Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014040515A1 (en) * | 2012-09-17 | 2014-03-20 | 上海微创骨科医疗科技有限公司 | Pedicle screw having barbs and pedicle screw forming pusher and method |
| CN110934631A (en) * | 2019-11-14 | 2020-03-31 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Metacarpal-phalangeal intramedullary needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 Termination date: 20091223 |