CN1827058A - Intramedullary nail with drawing wire - Google Patents
Intramedullary nail with drawing wire Download PDFInfo
- Publication number
- CN1827058A CN1827058A CN 200510008971 CN200510008971A CN1827058A CN 1827058 A CN1827058 A CN 1827058A CN 200510008971 CN200510008971 CN 200510008971 CN 200510008971 A CN200510008971 A CN 200510008971A CN 1827058 A CN1827058 A CN 1827058A
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- CN
- China
- Prior art keywords
- intramedullary nail
- intramedullary
- nail
- nail body
- screw extraction
- 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.)
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Abstract
This invention is aimed to solve current screw extraction problem, and empolders structure-changed intramedullary nail to reduce suffering of patients in screw extraction. This wiredrawing intramedullary nail contains: intramedullary nail body, drawn wire and pin hole; its characteristic is that the intramedullary nail body is made of hollow non-corrodible steel; the drawn wire is made of non-corrodible steel and is located in the intramedullary nail body, and its both ends are welded with the inner wall of the nail body ends, accordingly it can guarantee that in screw extraction the broken nail can be extracted from the other osseous side; in both sides of intramedullary nail body there is a pin hole, which is used to insert pin to fix and stabilized the intramedullary nail. This design can largely predigest screw extraction manipulation, ease patients' suffering, shorten resume time after screw extraction, thereby benefit more and 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, a kind of intramedullary nail with drawing wire comprises: intramedullary pin nail body (1), wire drawing (2), pin hole (3); It is characterized in that intramedullary pin nail body (1) is hollow rustless steel;
2, intramedullary nail with drawing wire according to claim 1, it is characterized in that described wire drawing (2) is rustless steel, and place in the intramedullary pin nail body, its two ends and the inwall welding of nail body two ends, thereby guarantee when intramedullary pin fractures taking-up, broken nail can be taken out from an end of bone.
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 true CN1827058A (en) | 2006-09-06 |
| CN100364484C 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) |
Family Cites Families (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 |
| DE4209122A1 (en) * | 1992-03-20 | 1993-09-23 | Kessler Sigurd | MARKING 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN100364484C (en) | 2008-01-30 |
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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 |