CN210811377U

CN210811377U - Surgical scissors

Info

Publication number: CN210811377U
Application number: CN201921514403.2U
Authority: CN
Inventors: 张智霖
Original assignee: Second Affiliated Hospital to Nanchang University
Current assignee: Second Affiliated Hospital to Nanchang University
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-06-23
Anticipated expiration: 2029-09-11

Abstract

The utility model provides a pair of surgical scissors, which comprises a rubber sleeve, wherein the bottom of the rubber sleeve is provided with a first blade, one side of the first blade is provided with a second blade, the first blade and the second blade are designed in an annular shape, one sides of the first blade and the second blade are both provided with a cutting edge, the other sides of the first blade and the second blade are both provided with a knife back, the cutting edge and the knife back are designed in an integral manner, and the bottom of the first blade is fixedly provided with a first arc-shaped knife bar. Thereby avoiding excessive bone resection in the operation, reducing operation trauma and further reducing the occurrence of operation complications.

Description

Surgical scissors

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to a pair of surgical scissors which is applied to nasal septum correction surgery and other flat bone excision and transplantation surgeries.

Background

The surgical scissors are medical instruments which are commonly used in clinical operations and are mainly used for cutting off thick soft tissues such as skin or muscle and the like, and can also be used for separating tissues, namely, the tips of the scissors are inserted into gaps of the tissues to separate connective tissues without large blood vessels and the like.

The prior surgical scissors have the following defects: the design of surgical scissors is big and bulky, can't accurately excise certain shape and size in the art, use surgical scissors to lead to easily excising the sclerotin area when carrying out operations such as nasal septum correction too big, arouse great wound, and probably lead to postoperative patient's bridge of the nose to sink and the perforation of nasal septum, in getting flat cartilage bone row cartilage transplantation operations such as nasal septum cartilage or auricle cartilage, often need excise bulky cartilage, prune into required shape after the excision again, lead to transplanting cartilage extravagant, the probability that unnecessary wound and postoperative complication take place has been increased.

How to design a pair of surgical scissors to solve the problems provided by the background technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a surgical scissors to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pair of surgical scissors comprises a rubber sleeve, wherein a first blade is arranged at the bottom of the rubber sleeve, a second blade is arranged on one side of the first blade, the first blade and the second blade are designed in an annular mode, a cutting edge is arranged on one side of each of the first blade and the second blade, a back of the first blade and the other side of each of the second blade are provided with a back of the knife, the cutting edges and the back of the knife are designed in an integrated mode, a first arc-shaped knife bar is fixedly arranged at the bottom of the first blade, a second arc-shaped knife bar is fixedly arranged at the bottom of the second blade, a first connecting piece is fixedly arranged at the bottom of the first arc-shaped knife bar, a second connecting piece is fixedly arranged at the bottom of the second arc-shaped knife bar, a pin shaft is arranged on the side face of the first connecting piece, the first connecting piece is movably connected with the second connecting piece through the pin shaft, a first connecting rod is fixedly arranged at the bottom of the first connecting piece, the center position of first connecting rod and second connecting rod all fixedly is equipped with the disk, the fixed elastic component that is equipped with in one side of disk, the bottom of first connecting rod and second connecting rod all fixedly is equipped with the stopper, the bottom of first connecting rod and second connecting rod all is equipped with the ring.

Preferably, the top of first arc cutter arbor and second arc cutter arbor all is equipped with the support, just first blade passes through the leg joint with first arc cutter arbor, the second blade passes through the leg joint with second arc cutter arbor.

Preferably, the manufacturing material of the blade is carbon steel, and the manufacturing material of the blade back is aluminum.

Preferably, the pin shaft penetrates through the first connecting piece and the second connecting piece in sequence, and the pin shaft is in clearance fit with the inner walls of the first connecting piece and the second connecting piece.

Preferably, the number of the wafers is two, the two wafers are symmetrically distributed by taking the pin shaft as a center, and two ends of the elastic part are respectively welded with the two wafers.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses during the use, according to the size of shearing the bone piece, can adjust the shape of first blade and second blade, because the back of a knife blade of first blade and second blade is aluminium material and makes, medical personnel directly exert pressure to the back of a knife blade of first blade and second blade and can change the shape of first blade and second blade, it blade shape can be adjusted according to the shape and the scope of needs in the operation to the operation scissors, thereby avoid too much excision sclerotin in the art, reduce the operation wound, and then reduce the emergence of operation complication.

(2) The utility model discloses a first arc cutter arbor and second arc cutter arbor drive first blade and second blade and cut the bone piece, and during the shearing, the cutting edge of first blade and second blade is crossing cuts the bone piece, because first arc cutter arbor and second arc cutter arbor are the arc design, and when first blade and second blade were sheared, first arc cutter arbor and second arc cutter arbor do not contact with shearing regional bone piece, reduce the operation degree of difficulty.

(3) The utility model discloses cut the back, the elastic component makes first connecting rod and second connecting rod resume initial condition, convenient to use through self elasticity.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a first blade according to the present invention;

fig. 3 is a top view of the first and second blades of the present invention.

Illustration of the drawings: 1-a rubber sleeve; 2-a first blade; 3-a second blade; 4-a second arc-shaped cutter bar; 5-a first arc-shaped cutter bar; 6-a scaffold; 7-a second connector; 8-a first connector; 9-a pin shaft; 10-a first link; 11-a second link; 12-a wafer; 13-an elastic member; 14-a limiting block; 15-finger ring; 16-a blade edge; 17-knife back.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-3, the present invention provides a technical solution: a pair of surgical scissors comprises a rubber sleeve 1, wherein a first blade 2 is arranged at the bottom of the rubber sleeve 1, a second blade 3 is arranged on one side of the first blade 2, the first blade 2 and the second blade 3 are designed in an annular shape, a cutting edge 16 is arranged on one side of each of the first blade 2 and the second blade 3, a knife back 17 is arranged on the other side of each of the first blade 2 and the second blade 3, the cutting edge 16 and the knife back 17 are designed in an integrated manner, a first arc-shaped knife bar 5 is fixedly arranged at the bottom of the first blade 2, a second arc-shaped knife bar 4 is fixedly arranged at the bottom of the second blade 3, a first connecting piece 8 is fixedly arranged at the bottom of the first arc-shaped knife bar 5, a second connecting piece 7 is fixedly arranged at the bottom of the second arc-shaped knife bar 4, a pin shaft 9 is arranged on the side surface of the first connecting piece 8, and the first connecting piece 8 is movably connected with the second connecting piece 7 through the pin shaft 9, the bottom of first connecting piece 8 is fixed and is equipped with first connecting rod 10, the bottom of second connecting piece 7 is fixed and is equipped with second connecting rod 11, the central point of first connecting rod 10 and second connecting rod 11 puts all fixed disk 12 that is equipped with, the fixed elastic component 13 that is equipped with in one side of disk 12, the bottom of first connecting rod 10 and second connecting rod 11 is all fixed and is equipped with stopper 14, the bottom of first connecting rod 10 and second connecting rod 11 all is equipped with ring 15.

The tops of the first arc-shaped cutter bar 5 and the second arc-shaped cutter bar 4 are both provided with a bracket 6, the first blade 2 is connected with the first arc-shaped cutter bar 5 through the bracket 6, the second blade 3 is connected with the second arc-shaped cutter bar 4 through a bracket 6, the cutting edge 16 is made of carbon steel, the knife back 17 is made of aluminum, the pin shaft 9 sequentially penetrates through the first connecting piece 8 and the second connecting piece 7, the pin shafts 9 are in clearance fit with the inner walls of the first connecting piece 8 and the second connecting piece 7, the number of the wafers 12 is two, the two wafers 12 are symmetrically distributed by taking the pin shaft 9 as the center, two ends of the elastic piece 13 are respectively welded with the two wafers 12, the first arc-shaped cutter bar 5 and the second arc-shaped cutter bar 4 are effectively reinforced through the arranged support 6, and the first connecting piece 8 and the second connecting piece 7 can move conveniently through the arranged pin shaft 9.

The working principle is as follows: when the bone shearing machine is used, the shapes of the first blade 2 and the second blade 3 can be adjusted according to the size of the bone shearing blade, because the knife backs 17 of the first blade 2 and the second blade 3 are made of aluminum materials, medical staff can directly apply pressure to the knife backs 17 of the first blade 2 and the second blade 3 to change the shapes of the first blade 2 and the second blade 3, after the adjustment is proper, the two finger rings 15 are held by hands, the first blade 2 and the second blade 3 are positioned at two sides of the bone shearing blade, the two finger rings 15 are pressed inwards, the first connecting rod 10 and the second connecting rod 11 respectively drive the first connecting piece 8 and the second connecting piece 7 to move, the first connecting piece 8 and the second connecting piece 7 do a shearing fork movement through the pin shaft 9, so that the first blade 2 and the second blade 3 are driven to shear the bone shearing blade through the first arc-shaped knife bar 5 and the second arc-shaped knife bar 4, when in shearing, the cutting edges 16 of the first blade 2 and the second blade 3 are intersected to shear the bone, after the shearing, the elastic member 13 restores the first link 10 and the second link 11 to the original state by its own elasticity.

The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a surgical scissors, includes rubber sleeve (1), its characterized in that: the rubber sleeve is characterized in that a first blade (2) is arranged at the bottom of the rubber sleeve (1), a second blade (3) is arranged on one side of the first blade (2), the first blade (2) and the second blade (3) are designed in an annular mode, a cutting edge (16) is arranged on one side of each of the first blade (2) and the second blade (3), a knife back (17) is arranged on the other side of each of the first blade (2) and the second blade (3), the cutting edge (16) and the knife back (17) are designed in an integrated mode, a first arc-shaped cutter bar (5) is fixedly arranged at the bottom of the first blade (2), a second arc-shaped cutter bar (4) is fixedly arranged at the bottom of the second blade (3), a first connecting piece (8) is fixedly arranged at the bottom of the first arc-shaped cutter bar (5), a second connecting piece (7) is fixedly arranged at the bottom of the second arc-shaped cutter bar (4), and a pin shaft (9) is arranged on the side surface of the first connecting piece (8), first connecting piece (8) and second connecting piece (7) are through round pin axle (9) swing joint, the fixed first connecting rod (10) that is equipped with in bottom of first connecting piece (8), the fixed second connecting rod (11) that is equipped with in bottom of second connecting piece (7), the central point of first connecting rod (10) and second connecting rod (11) puts and all fixedly is equipped with disk (12), one side of disk (12) is fixed and is equipped with elastic component (13), the bottom of first connecting rod (10) and second connecting rod (11) is all fixed and is equipped with stopper (14), the bottom of first connecting rod (10) and second connecting rod (11) all is equipped with ring (15).

2. A surgical shears according to claim 1, wherein: the top of first arc cutter arbor (5) and second arc cutter arbor (4) all is equipped with support (6), just first blade (2) are connected through support (6) with first arc cutter arbor (5), second blade (3) are connected through support (6) with second arc cutter arbor (4).

3. A surgical shears according to claim 1, wherein: the knife edge (16) is made of carbon steel, and the knife back (17) is made of aluminum.

4. A surgical shears according to claim 1, wherein: the pin shaft (9) sequentially penetrates through the first connecting piece (8) and the second connecting piece (7), and the pin shaft (9) is in clearance fit with the inner walls of the first connecting piece (8) and the second connecting piece (7).

5. A surgical shears according to claim 1, wherein: the number of the wafers (12) is two, the wafers (12) are symmetrically distributed by taking the pin shaft (9) as a center, and two ends of the elastic part (13) are respectively welded with the two wafers (12).