CN2380187Y

CN2380187Y - Micro operating knife

Info

Publication number: CN2380187Y
Application number: CN 98211440
Authority: CN
Inventors: 李林生; 侯立仁; 陈金兰
Original assignee: Xinxiang Medical University
Current assignee: Xinxiang Medical University
Priority date: 1998-04-25
Filing date: 1998-04-25
Publication date: 2000-05-31
Anticipated expiration: 2008-04-25

Abstract

The utility model discloses a miniature operation knife comprising a knife handle, a neck and a knife head. The utility model is characterized in that the knife handle forms a flat square angle-free shape; the neck has an enhanced mould; the knife head is provided with a knife edge. The utility model has the advantages of good hand feeling in operation, high accuracy degree, high knife rod intensity, flexibility, convenience and tissue damage reduction. The utility model can be made into different shapes according to needs, and the knife edge is arranged according to use; the utility model is used for completing various microtraumatic surgeries, the kind of a closed surgical instrument is widened, and the quality and the curative effect of a closed operation can be obviously improved. The utility model gradually plays an important part on the edge of the surgical dissolution and expectant treatment.

Description

Micro operating knife

This utility model relates to a kind of medical apparatus and instruments, particularly is applicable to a kind of Micro operating knife that the minimally invasive surgery medical treatment is used, and blade can be made into different shapes at the head diverse location, and is many supporting use.

In pain therapy, many scholars have designed various micro-surgical instruments for different goals of the invention, as small needle knife, acupuncture knife, miniature osteotome, needle knife for injection etc. in order to obtain better therapeutic effect at present.Prove that in practice these above-mentioned apparatuses really can solve some problems in clinical, but also exist the some shortcomings part, as small needle knife and acupuncture knife class is to grow up on the basis of traditional medicine, too small and exquisite, shank is too soft, feel is bad in the operation, causes poor accuracy, and curative effect is reduced.

The purpose of this utility model is a good hand touch in a kind of operation of design, and the order of accuarcy height can improve therapeutic effect and reduce a kind of multifunction micro scalpel of tissue injury.

Task of the present utility model is finished as follows: this Micro operating knife includes handle of a knife, cervical region and cutter head, it is characterized in that: it is no angular that handle of a knife is flat side, and cervical region has the enhancing moulding, and cutter head is provided with blade.

This utility model can be as required makes different shapes with the blade of cutter head, in order to finish various micro-wound surgical operations, and as the cyst puncture, the cutting, cut of tendon fascia, stndon sheath, muscle knot, cicatrix, adhesion organization loosen etc.This apparatus has been widened closed operation apparatus kind, and its blade, cervical region and handle of a knife are connected as a single entity, and handle of a knife adopts the no angular structures of flat side, and takes to strengthen moulding at cervical region, grip good hand touch, accuracy height, the quality and the curative effect of raising closed operation.It will more and more show important function at the edge of surgical dissolution and expectant treatment.

The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.

Fig. 1 is the structural representation of a kind of arrow double-sided blade thecal cyst incision knife of the present utility model.

Fig. 2 is the loosen structural representation of cutter of a kind of Folium Salicis Babylonicae shape inner arc sword of the present utility model.

Fig. 3 is the structural representation of the oblique billhook of a kind of oblique hook inner edge of the present utility model.

Fig. 4 is the upward view of Fig. 3.

Fig. 5 is the structural representation of the special-purpose cutter of stndon sheath of oblique sword before having behind a kind of top guide of the present utility model.

Fig. 6 is the vertical view of Fig. 5.

Fig. 7 is that a kind of cervical region has scale that the structural representation of the waist 3 transverse process cuttves of sword is arranged to oblique the place ahead one side.

Fig. 8 is a kind of front end is a structural representation from the cutter of loosening of outer arc sword a to side.

Fig. 9 is the structural representation that a kind of cutter head is the one-sided sword shape single cutting tool that puts the first edge on a knife or a pair of scissors of sword shape.

Figure 10 is that a kind of cutter head front end is the structural representation that there is the periosteotome of sword in spoonful shape arc outside.

Figure 11 is the structural representation that a kind of front end is the bony spur cutter of the recessed double-sided blade of arc.

Figure 12 is the pin knife structure sketch map that a kind of head front end has flat sword.

Figure 13 is a kind of structural representation of sword shape bilateral sword pin cutter.

Figure 14 is the structural representation of the one-sided sword pin of a kind of sword shape cutter.

Figure 15 is the structural representation of the little inclined blade needle cutter of an a kind of side.

Figure 16 is a kind of structural representation of one-sided little arc sword pin cutter.

Describe embodiment in detail in conjunction with above accompanying drawing.This Micro operating knife is to be made of cutter head 1, cervical region 2 and handle of a knife 3, and it is no angular that handle of a knife 3 is flat side, is convenient to grasp power thrusts, also can be made into word marking in handle of a knife one side, is convenient to identification.Cervical region 2 has the enhancing moulding, strengthens the intensity of blade.Whole apparatus is processed into one.Blade on the cutter head 1 can be as required be arranged on different parts with the shape of cutter head, makes different shape.Thereby following embodiment arranged:

Embodiment 1:(sees Fig. 1), it is a kind of arrow double-sided blade thecal cyst incision knife of Micro operating knife of the present utility model, its cutter head 3 is arrow-shaped, blade is located at arrow two leading flanks, cervical region 2 adopts and strengthens moulding, strengthening moulding can be calabash shape or slick and sly reinforcement, and handle of a knife 1 adopts the no corner angle moulding of flat side.It is mainly used in superficial part position adhesion release, the incision puncture of synovial bursa, cyst.

Embodiment 2:(sees Fig. 2), it is a kind of Folium Salicis Babylonicae shape inner arc sword cutter of loosening, a side is put the first edge on a knife or a pair of scissors in the curved Folium Salicis Babylonicae shape of cutter head, arc, long 15 millimeters of blade, 2 millimeters of the widest part, 15 millimeters of neck lengths, 125 millimeters of band handle total lengths.This cutter is mainly used in the choosing, cut, cut and loosen of fascia, stndon sheath, tendon, ligament of adhesion.

Embodiment 3:(sees Fig. 3, Fig. 4), it is a kind of oblique billhook of oblique hook inner edge, cutter head bends obliquely upward, the front end slyness is sickle shaped hook sword backward, 1 millimeter of blade the widest part, 35 millimeters of neck lengths, cervical region self-reinforcing moulding is tapered to cutter head, 0.8 millimeter of the thinnest place diameter, sword towards after have 20 the degree angles.125 millimeters of band handle total lengths.Being mainly used in hooks among a small circle such as tendon, stndon sheath, ligament cuts.

Embodiment 4:(sees Fig. 5, Fig. 6), it be a kind of front end have have behind top guide, the top guide before the oblique special-purpose cutter of stndon sheath of sword.By a side one long 1 millimeter flat bullet sample top guide is arranged at the cutter head end, be used to do the guide pin introduction, cutter head and top guide are to top guide about 15-25 degree angle of tossing about, blade is located at the interior side-lower of top guide, edge plane and top guide are 100-120 degree angle, and blade is wide 2.5 millimeters, 125 millimeters of band handle total lengths.The stndon sheath that is mainly used in de Quervain's disease is loosened, is cut, and the top guide of front end is for fear of the damage tendon and can passes through stndon sheath smoothly, reaches the purpose of thorough incision stndon sheath.

Embodiment 5:(sees Fig. 7), it is that a kind of cervical region has scale that the waist 3 transverse process cuttves of sword are arranged to oblique the place ahead one side.Long 2.5 millimeters of this blade, wide 2.5 millimeters, 50 millimeters of neck lengths have 15 degree to sword face tilt angle apart from 7 millimeters places of cutter head front end, 150 millimeters of band handle total lengths, the cutter neck is marked with the length scale, and in order to grasping depth of cut, the inclination of blade helps rotation cutting on transverse process.Be used for the treatment of waist 3 transverse process syndromes.

Embodiment 6:(sees Fig. 8), it is a kind of front end is the cutter of loosening from the outer arc sword a to side.Its blade is outer arcuate, long 15 millimeters, wide 2.5 millimeters of blade, and 10 millimeters of neck lengths, 125 millimeters of band handle total lengths, the cutting that is mainly used in shallow-layer tendon, ligament, fascia, adhesion muscle knot is loosened.

Embodiment 7:(sees Fig. 9), it is a kind of sword shape single cutting tool.Cutter head is sword shape, and a side has the blade of 25 millimeters long, 2.5 millimeters of blade the widest part, and neck length 5 millimeters, 125 millimeters of band handle of a knife total lengths are mainly used in percutaneous soft tissue release in a big way, as loosening of buttocks muscular fasciae, fascia thoracolumbalis etc.

Embodiment 8:(sees Figure 10), it is that a kind of cutter head front end is a spoonful shape, there is the periosteotome of single-blade in the arc outside, the cutter head front end is an oblate curved arc shape, and the single face blade is wide 2.5 millimeters, neck length 30 millimeters, 125 millimeters of band handle of a knife total lengths are mainly used in cutting of periosteum and scrape separation and soft tissue release.

Embodiment 9:(sees Figure 11), it is that a kind of front end is the recessed two-sided bony spur cutter that puts the first edge on a knife or a pair of scissors of arc.Blade is a spill, and is wide 3 millimeters, 30 millimeters of neck lengths, and 125 millimeters of band handle of a knife total lengths are used for the excision of bony spur such as calcaneus, knee joint week.

Embodiment 10, and (seeing Figure 12), it is the pin cutter that a kind of cutter head front end has flat sword.Divide a long and short two model, blade is wide 1.5 millimeters, long 80 millimeters of elongated cervical region, 150 millimeters of band handle of a knife total lengths, long 5 millimeters of short type cervical region, 125 millimeters of band handle of a knife total lengths.It can be selected soft tissue release according to the state of an illness.

Embodiment 11:(sees Figure 13, Figure 14, Figure 15, Figure 16), it is the pin cutter that there is oblique blade a kind of front side.Can be made into four kinds of models according to the cutting edge shape difference, Figure 13 is a kind of sword shape double-sided blade pin cutter; Figure 14 is the one-sided sword pin of an a kind of sword shape cutter; Figure 15 is a kind of one-sided little inclined blade needle cutter; Figure 16 is a kind of one-sided little arc sword pin cutter.The long 3-8 millimeter of their blade, the wide 1.5-2 millimeter of cutter, the long 25-50 millimeter of cervical region, 2 millimeters of cervical region thicknesses, 1 millimeter at the thinnest place, 125 millimeters of band handle of a knife total lengths.They can replace original small needle knife to use, and operating handle is good, and firmly accurately, the degree of loosening is thorough, and therapeutic effect is good, is used for the soft tissue release of superficial part position.

Claims

1, a kind of Micro operating knife, it includes handle of a knife, cervical region and cutter head, it is characterized in that: it is no angular that handle of a knife is flat side, and cervical region has the enhancing moulding, and cutter head is provided with blade.

2, Micro operating knife according to claim 1 is characterized in that: cutter head can be made the arrow double-sided blade.

3, Micro operating knife according to claim 1 is characterized in that: cutter head can be made Folium Salicis Babylonicae shape inner arc sword.

4, Micro operating knife according to claim 1 is characterized in that: cutter head can be made the oblique billhook of oblique hook hook inner edge.

5, Micro operating knife according to claim 1 is characterized in that: there is the inclination of 15-25 degree on the cutter head top to a side, and there is a top guide in the front end outside, and blade is located at the top guide inboard, and blade face and top guide are greater than 100 spends angles.

6, Micro operating knife according to claim 1 is characterized in that: cutter head can be made the side scale, and the waist 3 transverse process cuttves of oblique sword are arranged to oblique the place ahead one example.

7, Micro operating knife according to claim 1 is characterized in that: cutter head can be made front end to the curved one-sided cutter of loosening that puts the first edge on a knife or a pair of scissors of a side.

8, Micro operating knife according to claim 1 is characterized in that: cutter head can be made head and be the one-sided single face sword angle of throat that puts the first edge on a knife or a pair of scissors of sword shape.

9, Micro operating knife according to claim 1 is characterized in that: cutter head can be made front end and be the periosteotome that there is sword in spoonful shape arc outside.

10, Micro operating knife according to claim 1 is characterized in that: cutter head can be made the bony spur cutter of the recessed double-sided blade of arc.

11, Micro operating knife according to claim 1 is characterized in that: the various pin cuttves of holding sword or oblique sword before cutter head can be made level with both hands.