CN201453333U

CN201453333U - Antiskid needle knife

Info

Publication number: CN201453333U
Application number: CN2009201286320U
Authority: CN
Inventors: 张天民
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-26
Filing date: 2009-08-26
Publication date: 2010-05-12
Anticipated expiration: 2019-08-26

Abstract

The utility model discloses an antiskid needle knife which comprises a needle knife handle and a needle knife bar and is characterized in that antiskid thread is arranged on two needle-holding surfaces of the needle knife handle. The antiskid thread is convexly arranged or concavely arranged, the antiskid thread can be straight thread shaped, wave-shaped and cross-shaped and the antiskid thread also can be other characters, patterns and lattices with the same antiskid functions. After improvement, when the antiskid needle knife is in use, the antiskid thread can obviously increase the friction force for handle holding between the thumb and forefinger of the user, has the antiskid function, is convenient for applying force through clamping, improves the control degree of the doctor on the needle knife, obviously improves the operation safety of the needle knife and improves the operation precision and smoothness of the needle knife at the same time.

Description

Anti-skidding pin cutter

Technical field

This utility model relates to a kind of medical Minimally Invasive Surgery apparatus, particularly a kind of anti-skidding pin cutter that uses in the pin cutter operation of human body Wicresoft.

Background technology

In operations such as treatment chronic soft tissue injuries, hyperosteogeny, osteoarthrosis bony ankylosis, arthritis, cervical spondylosis, usually use pin cutter therapy, its medical principle is to adopt the pin cutter to be inserted into patient's affected area through skin, the soft tissue of pathological changes adhesion is cut and loosens, thereby reach from removing focus in essence, make the restorative purpose of patient.

The pin cutter that uses in the above-mentioned pin cutter therapy is made of be fixedly connected pin handle of a knife and pin knife bar usually, and during operation, the doctor clamps handle of a knife with thumb and forefinger, and the pin knife bar is inserted patient skin, arrives focus, and affected area is cut and loosens.In operation process, by the doctor pin handle of a knife place application of force is controlled accurately to the pin cutter entirely, but existing pin cutter, its pin handle of a knife is common flat piece, has the defective that is unfavorable for the clamping application of force, skid easily between finger and the pin handle of a knife, reduced the accuracy and the safety of pin cutter operation technique, and then influenced the curative effect of pin cutter operation.

The utility model content

Technical problem to be solved in the utility model is, in order to overcome above-mentioned the deficiencies in the prior art, and provides a kind of anti-skidding pin cutter that makes things convenient for the clamping application of force.

In order to solve the problems of the technologies described above, adopted following technical scheme in this utility model:

A kind of anti-skidding pin cutter comprises pin handle of a knife and pin knife bar, and its characteristics are that two of described pin handle of a knife holds wire surface and be provided with anti-skidding stricture of vagina.Described anti-skidding stricture of vagina can be that projection is provided with or the spill setting, and its shape also can be set to straight burr shape, waveform, X-type, can also be set to other and have the literal that is equal to antiskid function, pattern, dot matrix or the like shape.Like this, after the improvement, in use, anti-skidding stricture of vagina can increase user and refer to frictional force between thumb and the pin handle of a knife play anti-skidding effect, is convenient to the clamping application of force, has improved the control degree of doctor to the pin cutter, thereby improves the precision and the fluency of the operation of pin cutter.

As the optimization of technique scheme, two of described pin handle of a knife is held the arc that wire surface integral body is indent.Because the thumb of clamping pin handle of a knife is the arc of evagination, thus the pin handle of a knife hold the indent arc that wire surface is set to mate, can increase thumb, forefinger and pin handle of a knife clamping area, help the clamping application of force more.

As further optimization, described pin handle of a knife is size and thumb, the big or small cuboid that mates in forefinger end.The applicant finds, pin handle of a knife of the prior art is the less half elliptic of area, because the less clamping application of force that is unfavorable for of pin handle of a knife area, so applicant's pin handle of a knife is set to size and thumb, the big or small cuboid that mates in forefinger end, can make the maximization of thumb and pin handle of a knife clamping area like this, help the clamping application of force.

One-step optimization again, an end that is fixedly connected with the pin handle of a knife on the described pin knife bar is shaped as flat.The applicant discovers, be shaped as with the pin knife bar whole consistent cylindrical with pin handle of a knife link on the existing pin knife bar, but the pin cutter is in operation process, sometimes have the action of rotating the pin cutter, this moment under the effect of moment of torsion, columniform pin knife bar end loose or dislocation from the pin handle of a knife easily just originally, after changing pin knife bar end into flat, be beneficial to the transmission moment of torsion, pin knife bar difficult drop-off can make on the pin knife bar to be connected more stable with the pin handle of a knife.

In sum, than prior art, two of this utility model pin handle of a knife is held wire surface and is provided with anti-skidding stricture of vagina, and the shape of pin handle of a knife has adopted the cuboid with thumb, forefinger end size coupling, thereby increase frictional force and contact area between user thumb and forefinger and the pin handle of a knife, make things convenient for the user clamping application of force, guaranteed the accurate control of user the pin cutter, significantly improve the safety of pin cutter operation, guaranteed the degree of accuracy and the fluency of operation; Simultaneously this utility model also can make and be connected on the pin knife bar more stablely, firm with the pin handle of a knife, has prolonged pin cutter service life.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is this utility model when specifically implementing, and the pin handle of a knife is held the difform sketch map of the anti-skidding stricture of vagina of wire surface.

Fig. 4 is this utility model when specifically implementing, the sketch map of the different structure of the edge of a knife shape of pin knife bar.

The specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

During concrete enforcement, as shown in Figure 1 and Figure 2, a kind of anti-skidding pin cutter, comprise pin handle of a knife 1 and pin knife bar 2, wherein, described pin handle of a knife 1 is size and thumb, the big or small cuboid that mates in forefinger end, and two of pin handle of a knife 1 is held the arc that wire surface integral body is indent, and two of described pin handle of a knife 1 is held wire surface and is provided with the anti-skidding stricture of vagina 3 of waveform.Simultaneously, an end that is fixedly connected with pin handle of a knife 1 on the described pin knife bar 2 is shaped as flat.During concrete enforcement, described pin handle of a knife 1 can be set to length 2.0cm, and the cuboid of width 1.5cm, its cuboid two ends highest point can be set to the 0.4cm height, between the arc minimum point can be set to the 0.12cm height.Described pin cutter entire length can be set to 7-10cm.Pin knife bar 2 diameters can be set to 0.1-0.11cm.

During concrete enforcement, the anti-skidding stricture of vagina on the pin handle of a knife can also be straight burr shape, X-type, the some formation that adopts as shown in Figure 3, or the like, also can adopt various patterns, literal even letter of being equal to antiskid function or the like.Simultaneously, the knife-edge part shape of pin knife bar of the present utility model can adopt multiple shapes such as shown in Figure 4 rectangle, trapezoidal, camber during enforcement, can adopt the pin cutter of the different edges of a knife to handle like this at different focuses.In addition, the technical solution of the utility model can be implemented on the basis of common pin cutter, also can implement on the pin cutter of some unique constructions, implements on the basis such as a kind of arcuated needle knife of the patent No. 200720088588.6 of once applying for the applicant.

Protection domain of the present utility model is not restricted to this specific embodiment; it can also make all changes that is equal in this utility model claim 1 generalized protection domain; specifically; no matter there are what change and variation in other positions of the pin cutter that others adopts; as long as others pin cutter handle of a knife is held pattern that wire surface is provided with anti-skidding stricture of vagina or identical functions, literal, letter or the like, just should belong to and fall into protection domain of the present utility model.

Claims

1. an anti-skidding pin cutter comprises pin handle of a knife and pin knife bar, it is characterized in that two of described pin handle of a knife holds wire surface and be provided with anti-skidding stricture of vagina.

2. anti-skidding pin cutter as claimed in claim 1 is characterized in that two of described pin handle of a knife is held the arc that wire surface integral body is indent.

3. anti-skidding pin cutter as claimed in claim 1 is characterized in that, described pin handle of a knife is size and thumb, the big or small cuboid that mates in forefinger end.

4. anti-skidding pin cutter as claimed in claim 1 is characterized in that the end that described pin knife bar and pin handle of a knife are fixedly connected is shaped as flat.