CN100364484C - Intramedullary nail with drawing wire - Google Patents
Intramedullary nail with drawing wire Download PDFInfo
- Publication number
- CN100364484C CN100364484C CNB2005100089711A CN200510008971A CN100364484C CN 100364484 C CN100364484 C CN 100364484C CN B2005100089711 A CNB2005100089711 A CN B2005100089711A CN 200510008971 A CN200510008971 A CN 200510008971A CN 100364484 C CN100364484 C CN 100364484C
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- intramedullary nail
- intramedullary
- broken
- nail
- drawing wire
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Abstract
The present invention aims to solve the existing problem of difficulty of the extraction of broken nails of intramedullary nails and develop an intramedullary nail with a changed structure so as to reduce patients' pain when broken nails are extracted. The drawing wire intramedullary nail of the present invention comprises an intramedullary nail body, a drawing wire and pin holes. The present invention is characterized in that the intramedullary nail body is made of hollow stainless steel; the drawing wire is made of stainless steel and installed in the intramedullary nail body, and both ends of the drawing wire are welded with inner walls of both ends of the intramedullary nail body so that the broken nail can be extracted from one end of the bone when the broken intramedullary nail is extracted; both sides of the intramedullary nail body are respectively provided with one pin hole used for inserting pins to fix the intramedullary nail so as to ensure the stability of the intramedullary nail. Thereby, the present invention greatly simplifies operation of extraction of broken nails, relieves patients' pain and shortens patients' rehabilitation time after extraction of broken nails so as to benefit more patients.
Description
Technical field
The present invention relates to the medical rehabilitation therapeutic device, more particularly, the present invention relates to the intramedullary nail with drawing wire therapeutic device of bone injury.
Background technology
Fracture is the common sympton in the orthopaedics rehabilitation, improves healing and good function recovery for making fracture, need carry out perfect resetting, fix and early functional training.The available manual reduction of more fracture is arranged, fix and to heal through Gypsum Fibrosum or little splice then, obtain excellent function and recover.Some fracture, especially intraarticular or juxtra-articular are fractured, or comminuted long bone shaft fracture, and the manual reduction difficulty often needs to cut reduction, with maintenance reduction positions such as metal inside-fixtures.
Through the updating of numerous medical profession experts, scholar, perfect, the internal fixation device that is widely used in treating long bone fracture at present is an interlocking intramedullary nail.Interlocking intramedullary nail is applied to surplus the lower limb tubular bone fracture existing ten year historical in China, interlocking intramedullary nail is applicable to femur, the key all kinds stability of tibia or unstable fracture, be that a kind of axialmode is fixed, have bed knife strong, can prevent the advantages such as rotation, cripetura, shift separation of fracturing, postoperative patient energy early ambulant, joint function recovery is fast.In addition, interlocking intramedullary nail is less to the damage of fracture end surrounding soft tissue, and stress force shelter reaction is little during heavy burden, the stress of fracture end is conducted and is stimulated growth of spur, union of fracture is fast, and the refracture rate is very low behind the nail pulling, thereby is the preferential selection of femur, fracture of tibia treatment.
But, along with intramedullary pin more and more widely be applied to the set a broken bone disease, a problem of not allowing to ignore has occurred: cause fractureing of intramedullary pin for some reason.At present, the broken nail methods of taking out respectively that adopt from the bone two ends more.The taking-up of broken nail has increased new misery to patient, also brings new trouble to the doctor simultaneously.Therefore, how to improve intramedullary pin and become a very instant thing with the problem that solves the taking-up of intramedullary pin broken nail from structure.
Summary of the invention
Purpose of the present invention is developed structurally altered intramedullary pin in order to solve the problem that existing intramedullary pin broken nail takes out, the misery of bringing to patient when taking out to reduce broken nail.Intramedullary nail with drawing wire of the present invention comprises: intramedullary pin nail body, wire drawing, pin hole; It is characterized in that intramedullary pin nail body is hollow rustless steel; Described wire drawing is a rustless steel, and places in the intramedullary pin nail body, its two ends and the inwall welding of nail body two ends, thus to guarantee when intramedullary pin fractures taking-up, broken nail can be taken out from an end of bone; Each one in intramedullary pin nail body both sides of described pin hole assigns pin to be used for fixing intramedullary pin, to keep the stable of intramedullary pin.The present invention compared with prior art has following advantage:
1, designed the intramedullary nail with drawing wire that is different from existing product on a kind of structure, the operation in the time of can simplifying the broken nail taking-up greatly simultaneously alleviates patient's misery greatly, has shortened broken nail and has taken out back patient's rehabilitation duration.
2, because this structure has avoided many places to take out the operation technique of broken nail respectively, thereby reduced complication, the postoperative infection of performing the operation, reduced surgery cost, thereby more patient is benefited.
Description of drawings
Institute's accompanying drawing is the structural representation of intramedullary nail with drawing wire.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Weld with the two ends of wire drawing 2 respectively at intramedullary pin nail body 1 inwall two ends in the accompanying drawings, thereby to guarantee when intramedullary pin fractures taking-up, broken nail being taken out from bone one end.Pin hole 3 assigns pin to be used for fixing intramedullary pin, to keep the stable of intramedullary pin.
Claims (2)
1. an intramedullary nail with drawing wire comprises: intramedullary pin nail body (1), pin hole (3), it is characterized in that also comprising wire drawing (2), described wire drawing (2) is a rustless steel, and place in the intramedullary pin nail body (1), its two ends and the inwall welding of nail body two ends, thus guarantee when intramedullary pin fractures taking-up, broken nail can be taken out from an end of bone.
2. intramedullary nail with drawing wire according to claim 1 is characterized in that described intramedullary pin nail body (1) is hollow rustless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100089711A CN100364484C (en) | 2005-02-28 | 2005-02-28 | Intramedullary nail with drawing wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100089711A CN100364484C (en) | 2005-02-28 | 2005-02-28 | Intramedullary nail with drawing wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1827058A CN1827058A (en) | 2006-09-06 |
| CN100364484C true CN100364484C (en) | 2008-01-30 |
Family
ID=36945741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100089711A Expired - Fee Related CN100364484C (en) | 2005-02-28 | 2005-02-28 | Intramedullary nail with drawing wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100364484C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5034012A (en) * | 1989-11-21 | 1991-07-23 | Synthes (U.S.A.) | Intramedullary nail with loop tip |
| EP0561295A1 (en) * | 1992-03-20 | 1993-09-22 | Sigurd Dr. Kessler | Externally fastened intramedullary nail |
| CN2436115Y (en) * | 2000-02-28 | 2001-06-27 | 曹斌 | Femoral intramedullary nail |
-
2005
- 2005-02-28 CN CNB2005100089711A patent/CN100364484C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5034012A (en) * | 1989-11-21 | 1991-07-23 | Synthes (U.S.A.) | Intramedullary nail with loop tip |
| EP0561295A1 (en) * | 1992-03-20 | 1993-09-22 | Sigurd Dr. Kessler | Externally fastened intramedullary nail |
| CN2436115Y (en) * | 2000-02-28 | 2001-06-27 | 曹斌 | Femoral intramedullary nail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1827058A (en) | 2006-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20080130 Termination date: 20150228 |
|
| EXPY | Termination of patent right or utility model |