CN2326196Y - Medical small needle-knife - Google Patents
Medical small needle-knife Download PDFInfo
- Publication number
- CN2326196Y CN2326196Y CN 98213184 CN98213184U CN2326196Y CN 2326196 Y CN2326196 Y CN 2326196Y CN 98213184 CN98213184 CN 98213184 CN 98213184 U CN98213184 U CN 98213184U CN 2326196 Y CN2326196 Y CN 2326196Y
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- CN
- China
- Prior art keywords
- needle
- cutting edge
- utility
- model
- longitudinal
- 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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a medical small needle knife, comprising a needle handle, a needle body, and a needle head. The utility model is characterized in that a cutting edge which is arranged on the needle head is composed of two segments; one segment forms an arc shape, and the other segment forms a right angle or an acute angle; the arc-shaped segment has a blunt edge, and the right angle or acute angle segment has a cutting edge. The utility model has the advantages of lubricated needle insertion and fluent and smooth use. Needle insertion can be carried out in an inclined position so as to implement single-side longitudinal dredging and longitudinal cutting, and meanwhile, soft tissues on the other side are not damaged. As a result, the defect of a needle knife with a flat cutting edge or a wedge-shaped cutting edge is avoided, wherein, the defect refers to that when treatment is carries out on one side, soft tissues on the other side are damaged. The utility model also has the advantages of small damage area and light pain for patients. The utility model is suitable for superficial diseases which not only can be exactly positioned within a small site, but also require longitudinal dredging and longitudinal cutting.
Description
This is novel to relate to a kind of surgical instruments, particularly relates to a kind of cutting device.
Pin cutter therapy is a kind of novel therapies of developing in recent years, both be different from traditional Chinese medical science acupuncture therapy, also be different from the doctor trained in Western medicine operative therapy, it organically is combined as a whole two kinds of methods, can carry out closure absent-mindedness operative treatment to diseases such as old soft tissue injury, old fracture malunion, hyperosteogeny pathological changes, and operation safety is reliable, the patient suffering is few, medical expense is low, does not need complicated medical assistance apparatus and special medical environment, so be used widely.But in the prior art, the cutter head structure form of small needle knife is single, change over present trapezoidal blade by initial flat blade sword, this blade in use can meet the demands basically, but finds in clinical,, accurate positioning little to diseased region, when needing the loxosis inserting needle to carry out one-sided stringer mediation, stringer cutting, use pin cutter cutting edge on one side to get final product, and use existing pin cutter, and can cause certain damage to the soft tissue of opposite side, increase the patient suffering.Cutter head as disclosed in Z194240292.8 " medical multifunctional small needle knife " is trapezoidal cutting edge, has above-mentioned defective during use.
The purpose of this utility model is at the deficiencies in the prior art, provides a kind of and can the loxosis inserting needle carries out one-sided stringer mediation, stringer cutting and do not damage the medical small needle knife of opposite side soft tissue.
This utility model can be realized by following measure, by the small needle knife that needle handle, the needle body, syringe needle are formed, it is characterized in that the cutting edge position on the syringe needle is divided into two sections, wherein one section is blunt mouthful, and another section is a cutting edge, and blunt oral area is divided into arc, the cutting edge part can be a square, also can be trapezoidal.
Compared with prior art, this utility model can realize that the loxosis inserting needle carries out one-sided stringer mediation, stringer cutting, and does not damage the opposite side soft tissue, alleviates the patient suffering.
Accompanying drawing 1 and accompanying drawing 2 are front views of two kinds of embodiment of this utility model
Accompanying drawing 3 is syringe needle position enlarged drawings in the accompanying drawing 1
Accompanying drawing 4 is syringe needle position enlarged drawings in the accompanying drawing 2
Below in conjunction with accompanying drawing embodiment of the present utility model is described further, the needle handle 1 and the needle body 2 are conventional structure, and the cutting edge on the syringe needle 3 divides two sections, promptly blunt mouthful section 4 and cutting edge section 5, and blunt mouthful of section is arc, the cutting edge section can be the right angle cutting edge, also can be trapezoidal cutting edge.
Claims (3)
1, a kind of medical small needle knife comprises needle handle, the needle body and syringe needle, it is characterized in that the cutting edge at syringe needle position is divided into two sections, and one section is blunt mouthful, and another section is a cutting edge.
2, small needle knife according to claim 1 is characterized in that the blunt mouthful of section at syringe needle position is arc, and cutting edge, section are the right angle cutting edge.
3, small needle knife according to claim 1 is characterized in that the blunt mouthful of section at syringe needle position is arc, and the cutting edge section is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98213184 CN2326196Y (en) | 1998-03-11 | 1998-03-11 | Medical small needle-knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98213184 CN2326196Y (en) | 1998-03-11 | 1998-03-11 | Medical small needle-knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2326196Y true CN2326196Y (en) | 1999-06-30 |
Family
ID=33967231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98213184 Expired - Fee Related CN2326196Y (en) | 1998-03-11 | 1998-03-11 | Medical small needle-knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2326196Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963454A (en) * | 2017-03-31 | 2017-07-21 | 刘旭 | Pin knife |
-
1998
- 1998-03-11 CN CN 98213184 patent/CN2326196Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963454A (en) * | 2017-03-31 | 2017-07-21 | 刘旭 | Pin knife |
| CN106963454B (en) * | 2017-03-31 | 2023-07-04 | 刘旭 | Needle knife |
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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 |