CN2627998Y - Pressing bone pin - Google Patents
Pressing bone pin Download PDFInfo
- Publication number
- CN2627998Y CN2627998Y CN 03218339 CN03218339U CN2627998Y CN 2627998 Y CN2627998 Y CN 2627998Y CN 03218339 CN03218339 CN 03218339 CN 03218339 U CN03218339 U CN 03218339U CN 2627998 Y CN2627998 Y CN 2627998Y
- Authority
- CN
- China
- Prior art keywords
- bolt
- guide pin
- long nut
- hole
- fracture
- 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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- Surgical Instruments (AREA)
Abstract
The utility model relates to a compression bolt, which has a guide pin. One end of the guide pin is positioned in the through hole of the bolt and the other end is positioned in the through hole of the long nut, which is arranged outside the bolt. The compression bolt can increase pressure at the bone stump of the fracture and promote fracture healing without adding any pain to the patient. The wound is little and the operation is simple.
Description
Technical field
This utility model relates to medical apparatus and instruments, is the pressurization bone bolt that uses in a kind of osseous surgery outside.
Background technology
Fracture of femur and fracture of the tibial plateau are a kind of common wound in surgical operation, treat with the fixed method of steel plate after its general employing open reduction, the deficiency of this operation method is: patient's misery is big, wound is big, have certain blindness, and secondary operation need be got steel plate, the knochenbruch healing waits slowly.
Summary of the invention
The purpose of this utility model is, a kind of pressurization bone bolt is provided, and it can be exerted pressure to fracture site under the situation that does not increase patient's misery, promotes union of fracture, makes that union of fracture is fast, wound is little, operation technique is simple.
This utility model is achieved through the following technical solutions for achieving the above object: pressurization bone bolt, and it has guide pin, and guide pin one end is installed in the through hole of bolt, and the guide pin other end is installed in the through hole that adds long nut, adds on the periphery that long nut is installed in bolt.Add packing ring is installed on the long nut, packing ring is installed on the bolt.Add the through-hole diameter offered on the long nut diameter, on the inwall of endoporus screw thread is set less than endoporus.
This utility model has following advantage through repetition test: do not increase patient's misery, can exert pressure to fracture site in fracture butt joint operation, promote the healing of fracture, the healing rate of fracture is fast, and operation accurately safe and wound is little etc.
Description of drawings
Accompanying drawing 1 is this utility model structural representation.
The specific embodiment
4 is guide pins among the figure, and guide pin 4 one ends are installed in the through hole 7 of bolt 6, and guide pin 4 other ends are installed in the through hole 8 that adds long nut 1, adds on the periphery that long nut 1 is installed in bolt 6.Add packing ring 2 is installed on the long nut 1, packing ring 5 is installed on the bolt 6.Add through hole 8 diameters offered on the long nut 1 diameter, on the inwall of endoporus 3 screw thread is set less than endoporus 3.When this utility model operation is used, guide pin 4 is passed the knochenbruch place fix,, will add long nut 1 at last and screw on the outer wall of bolt 6, add press fit, impel the healing of knochenbruch place to the knochenbruch end along guide pin 4 again along guide pin 4 construction bolts 6.
Claims (3)
1, pressurization bone bolt, it has guide pin (4), it is characterized in that: guide pin (4) one ends are installed in the through hole (7) of bolt (6), and guide pin (4) other end is installed in the through hole (8) that adds long nut (1), add long nut (1) and are installed on the periphery of bolt (6).
2, pressurization bone bolt according to claim 1 is characterized in that: add long nut (1) and go up installation packing ring (2), bolt (6) is gone up packing ring (5) is installed.
3, pressurization bone bolt according to claim 1 is characterized in that: add through hole (8) diameter offered on the long nut (1) diameter less than endoporus (3), on the inwall of endoporus (3) screw thread is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03218339 CN2627998Y (en) | 2003-06-25 | 2003-06-25 | Pressing bone pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03218339 CN2627998Y (en) | 2003-06-25 | 2003-06-25 | Pressing bone pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2627998Y true CN2627998Y (en) | 2004-07-28 |
Family
ID=34243913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03218339 Expired - Fee Related CN2627998Y (en) | 2003-06-25 | 2003-06-25 | Pressing bone pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2627998Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637841A (en) * | 2013-12-31 | 2014-03-19 | 张兆坤 | Bone fixing bolt |
-
2003
- 2003-06-25 CN CN 03218339 patent/CN2627998Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637841A (en) * | 2013-12-31 | 2014-03-19 | 张兆坤 | Bone fixing bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |