CN108247685A

CN108247685A - A kind of medical safe scissors

Info

Publication number: CN108247685A
Application number: CN201810276253.XA
Authority: CN
Inventors: 兰玲
Original assignee: 兰玲
Current assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Priority date: 2018-03-30
Filing date: 2018-03-30
Publication date: 2018-07-06
Anticipated expiration: 2038-03-30
Also published as: CN108247685B

Abstract

The present invention relates to a kind of medical safe scissors, including upper clamp, lower clamp, lower lever and upper lever, the right end of upper clamp and lower clamp is hinged and connected, and the right end of upper clamp is connected with the left end of lower lever forms upper clamp component, and the right end of lower clamp and the left end of upper lever are hinged and connected；The blade that can be slided along the length direction of upper clamp is installed, the blade of blade is opposite with lower clamp and the blade of blade is obliquely installed, and has recessing groove on lower clamp, the lower end of the blade of blade is placed in recessing groove on upper clamp；There is the cavity consistent with upper clamp length direction on upper clamp component, there is the first belt pulley for being placed in cavity left end and the second belt pulley for being placed in cavity right end on upper clamp component, the first belt pulley and the second belt pulley are connected through belt transmission, and blade is connect with belt；The gear coaxially connected with the second belt pulley on lower lever is housed, has the compression bar being placed in below lever on upper lever, there is the arc inner tooth item engaged with gear on compression bar.

Description

A kind of medical safe scissors

Technical field

The present invention relates to field of medical products, particularly a kind of medical safe scissors.

Background technology

Scissors is widely used in each medical rings, although currently used scissors is one as common medical device Determine to disclosure satisfy that use demand in degree, but there are still many deficiencies.

Scissors is usually used in trimming, gauze, bandage or for taking out stitches, and existing scissors is in shearing gauze, bandage or similar Laminated structure medical products when, due to can not reliable location, the notch after cutting out is irregular, especially gauze or bandage class Weave the articles for use that form, notch is irregular, and to easily lead to cutting part the end of a thread at random or come off, and is not convenient to use；In addition, Take out stitches operation when, needing the tip of scissors stretching into the position that bandage or gauze contact with patient body could cut It cuts, and the tip of scissors is usually sharp, easily scratches the skin of patient, and unnecessary puzzlement is brought to patient.

Invention content

For the above situation, to make up the technical deficiency present in the prior art, the present invention provides a kind of medical safe and cuts Knife, to solve the problems, such as existing scissors use, existing function deficiency and safety are relatively low in the process.

Its solve technical solution be：It is set including horizontally disposed upper clamp respectively, lower clamp, lower lever and being tilted to the right The upper lever put, upper clamp are placed in the top of lower clamp, and lower lever is placed in the lower section of lever；The upper clamp and lower clamp Right end be hinged and connected to form jaw, the right end of upper clamp be connected with the left end of lower lever form upper clamp component, lower clamp The left end of right end and upper lever is hinged and connected；Being equipped on the upper clamp can be in the length direction of upper clamp upper edge upper clamp The blade of slip, setting that the blade of blade is opposite with lower clamp and the blade of blade is tilted to the left, has and blade on lower clamp The recessing groove that blade matches, the lower end of the blade of blade are placed in recessing groove；Have on the upper clamp component and upper clamp Length direction consistent cavity has rotatable first belt pulley for being placed in cavity left end on upper clamp component and is placed in the cavity right side Rotatable second belt pulley at end, the first belt pulley and the second belt pulley are connected through belt transmission, the lower band of blade and belt Item connects, and when belt generates drive motion, drive of the blade through belt generates slip on upper clamp；On the lower lever Equipped with the gear coaxially connected with the second belt pulley, there is the compression bar being placed in below lever on upper lever, have on compression bar and gear The arc inner tooth item of engagement.

Delicate structure of the present invention, it is easy to use, it can not only realize effective position during shearing, ensure the neat of notch, Can also effectively avoid taking out stitches etc. has the secondary injury being likely to occur in the operating process being in direct contact with patient, greatly improves Safety in utilization.

Description of the drawings

Fig. 1 is the front view of the present invention.

Fig. 2 is the enlarged drawing of part A in Fig. 1 of the invention.

Fig. 3 is the B-B sectional views of the present invention.

Fig. 4 is the enlarged drawing of C portion in Fig. 3 of the invention.

Fig. 5 is the enlarged drawing of D parts in Fig. 3 of the invention.

Fig. 6 is the isometric cutaway view of the present invention.

Fig. 7 is the isometric cutaway view when jaw of the present invention opens.

Fig. 8 is front view of the lower clamp of the present invention with upper lever when hinged.

The enlarged drawing of E parts in Fig. 8 of Fig. 9 present invention.

Figure 10 is stereogram of the lower clamp of the present invention with upper lever when hinged.

Specific embodiment

The specific embodiment of the present invention is described in further detail below in conjunction with attached drawing.

It is provided by Fig. 1 to Figure 10, the present invention includes horizontally disposed upper clamp 1, lower clamp 2, lower lever 3 and to the right respectively The upper lever 4 being obliquely installed, upper clamp 1 are placed in the top of lower clamp 2, and lower lever 3 is placed in the lower section of lever 4；Described is upper The right end of caliper 1 and lower clamp 2 is hinged and connected to form jaw, and the right end of upper clamp 1 is connected with the left end of lower lever 3 to be formed and clamp Body component, the right end of lower clamp 2 and the left end of upper lever 4 are hinged and connected；Being equipped on the upper clamp 1 can be in upper clamp 1 The blade 5 that the length direction of upper edge upper clamp 1 slides, the blade of blade 5 and lower clamp 2 with respect to and the blade of blade 5 incline to the left It tiltedly sets, has the recessing groove 6 that the blade with blade 5 matches on lower clamp 2, the lower end of the blade of blade 5 is placed in recessing groove 6 It is interior；There is the cavity 7 consistent with 1 length direction of upper clamp on the upper clamp component, it is left that cavity 7 is placed on upper clamp component Rotatable first belt pulley 8 at end and rotatable second belt pulley 9 for being placed in 7 right end of cavity, the first belt pulley 8 and second Belt pulley 9 is sequentially connected through belt 10, and blade 5 is connect with the lower tape of belt 10, when belt 10 generates drive motion, blade 5 drives through belt 10 generate slip on upper clamp 1；It is equipped on the lower lever 3 coaxially connected with the second belt pulley 9 Gear 11 has the compression bar 12 for being placed in 4 lower section of lever on upper lever 4, has the arc inner tooth item engaged with gear 11 on compression bar 12 13。

Preferably, the articulated section of the lower clamp 2 and upper lever 4 and the upper clamp 1 and lower clamp 2 are hinged Portion is coaxially disposed.

Preferably, the right end of the lower clamp 2 has the first hinged disk 14, the left end of upper lever 4 has the second hinged disk 15, the first hinged disk 14 is rotated coaxially with the second hinged disk 15 and is connect, and is had on the first hinged disk 14 coaxial with the first hinged disk 14 The arc chute 16 of setting, having on the second hinged disk 15 can slide with 16 matched arc shaped slider 17 of arc chute, arc shaped slider 17 It is placed in dynamicly in arc chute 16, has in arc chute 16 and be placed in 17 right side of arc shaped slider and arcuately the radian direction of sliding slot 16 The spring 18 of bending, one end of spring 18 are connect with arc shaped slider 17, and the other end of spring 18 is connect with the first hinged disk 14, bullet The elastic force of spring 18 pushes sliding block 17 to be slided counterclockwise in arc chute 16 and drives lever 4 counterclockwise through the second hinged disk 15 Rotation, thus when jaw opens and is not acted on by external force, there are angle, the elastic force of spring 18 between upper lever 4 and lower clamp 2 It is enough to make lever 4 that lower clamp 2 be driven to produce relative rotation with the upper clamp 1.

Preferably, the radian direction of the arc inner tooth item 13 and the articulated section of the lower clamp 2 and upper lever 4 Coaxial arrangement.

The application method of the present invention is identical with the application method of conventional shears, opens jaw, it would be desirable to which the article of shearing is put At jaw, by holding upper lever 4 with a firm grip and shearing manipulation can be completed in lower lever 3.

When carrying out article shearing, upper lever 4 of holding with a firm grip makes the two generate mutually close movement, lower 3 band of lever with lower lever 3 Dynamic upper clamp 1 moves simultaneously, and upper lever 4 drives lower clamp 2 to move simultaneously under the elastic force effect of spring 18, due to upper clamp 1 It is hinged and connected with lower clamp 2, therefore, the relative rotation that upper clamp 1 and lower clamp 2 generate around its articulated shaft makes jaw gradually close It closes；When jaw is closed completely, article is clamped by jaw without generating dislocation, continues hold with a firm grip upper lever 3 and lower lever at this time 4, since jaw is closed the inhibition to be formed, upper clamp 1 is no longer rotated with lower clamp 2, upper lever 4 continue along lower clamp 2 with The articulated section rotation of upper lever 4, thus the angle between upper lever 4 and lower clamp 2 changes, arc shaped slider 17 is in arc chute 16 Interior generate slides simultaneously compressed spring 18, and elastic force gradually increases after spring 18 is compressed, which acts on through the first hinged disk 14 The clamping force of jaw is made to become larger on lower clamp 2, further clamps article；During upper lever 4 is rotated further, compression bar 12 Rotating therewith makes arc inner tooth item 13 be engaged with gear 11, therefore the generation of gear 11 rotates clockwise and drives the second belt pulley 9 It rotates simultaneously, under the gearing of belt 10, the first belt pulley 8 is rotated synchronously with the second belt pulley 9；Since belt 10 is driven When its tape traveling displacement can be generated on the first belt pulley 8 and the second belt pulley 9, therefore, blade 5 moves and in upper pincers Generate slip on body 1, the slip of blade 5 makes the blade of blade 5 gradually with article contacts and generating cutting, so as to complete with article Shearing manipulation.

When shear complete when, upper lever 4 with apply on lower lever 3 opposition both make it is separate, in active force and Under the collective effect of the elastic force of spring 18, upper lever 4 generates to reset and rotates and drive compression bar 12 while rotate, in arc inner tooth item Under 13 engaged transmission effect, gear 11 rotates counterclockwise, and the second belt pulley 9 and the first belt pulley 8 also rotate counterclockwise, belt 10 with cutting blade 5 to opposite reverse slide, complete the reset of blade 5.

When carrying out shearing manipulation using the present invention, blade 5 proceeds by cutting operation, therefore object after jaw clamps article Product ensure that the notch after cutting is neat by jaw effective position, and it is by lower lever 3 and upper lever 4 to clamp with shearing manipulation Control, does not need to other control mechanisms, ensure that convenience during use；Meanwhile when being sheared using the present invention, due to The blade lower end of blade 5 is placed in recessing groove 6, therefore blade is completely attached to article, it is ensured that disposable cutting is completed, will not Generate the situation that part can not switch to；In addition, when take out stitches operation, since lower clamp 2 itself does not have blade part, When lower clamp 2 is inserted into the position that gauze or bandage are contacted with patient body, scuffing or shouting pain etc. will not be generated to patient body Secondary injury improves safety in utilization.

Its blade is placed in inside jaw the present invention in a normal state, therefore, will not be because catching jaw during taking Position and unexpected injury is generated to medical staff, especially in surgical procedure cutter it is frequent transmit operation have it is apparent Safety protection function.

Claims

1. a kind of medical safe scissors, including upper clamp（1）, lower clamp（2）, lower lever（3）With upper lever（4）, feature exists In the upper clamp（1）With lower clamp（2）Right end be hinged and connected, upper clamp（1）Right end and lower lever（3）Left end It is connected and forms upper clamp component, lower clamp（2）Right end and upper lever（4）Left end be hinged and connected；The upper clamp（1）On Being equipped with can be along upper clamp（1）Length direction slide blade（5）, blade（5）Blade and lower clamp（2）Opposite and blade （5）Blade be obliquely installed, lower clamp（2）On have and blade（5）The recessing groove that matches of blade（6）, blade（5）Blade Lower end be placed in recessing groove（6）It is interior；Have on the upper clamp component and upper clamp（1）The consistent cavity of length direction（7）, on Cavity is placed on caliper component（7）First belt pulley of left end（8）Be placed in cavity（7）Second belt pulley of right end（9）, the One belt pulley（8）With the second belt pulley（9）Through belt（10）It is sequentially connected, blade（5）With belt（10）Connection；It is held under described Handle（3）It is upper to be equipped with and the second belt pulley（9）Coaxially connected gear（11）, upper lever（4）On be placed in lever（4）Lower section Compression bar（12）, compression bar（12）On have and gear（11）The arc inner tooth item of engagement（13）.

A kind of 2. medical safe scissors according to claim 1, which is characterized in that the lower clamp（2）With upper lever （4）Articulated section and the upper clamp（1）With lower clamp（2）Articulated section coaxial arrangement.

A kind of 3. medical safe scissors according to claim 1, which is characterized in that lower clamp（2）Right end have the first hinge Connect disk（14）, upper lever（4）Left end have the second hinged disk（15）, the first hinged disk（14）With the second hinged disk（15）Coaxially connect It connects, the first hinged disk（14）On have and the first hinged disk（14）The arc chute of coaxial arrangement（16）, the second hinged disk（15）On Have and arc chute（16）Matched arc shaped slider（17）, arc shaped slider（17）It is slidably positioned at arc chute（16）It is interior, arc Shape sliding slot（16）Inside it is placed in arc shaped slider（17）Right side spring（18）, spring（18）One end and arc shaped slider（17）Connection, Spring（18）The other end and the first hinged disk（14）Connection.

A kind of 4. medical safe scissors according to claim 1, which is characterized in that arc inner tooth item（13）Radian direction With the lower clamp（2）With upper lever（4）Articulated section coaxial arrangement.