CN213189951U

CN213189951U - Heart surgical scissors for cardiothoracic surgery

Info

Publication number: CN213189951U
Application number: CN202021095007.3U
Authority: CN
Inventors: 周爱芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-05-14
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a heart surgical scissors for cardiothoracic surgery, which mainly comprises a scissors head and a driving part for driving the scissors head to open and close to complete the shearing action, wherein the driving part mainly comprises a pull rod and a handle component for driving the pull rod to move back and forth, the front side of the pull rod is provided with a pull rod head for being connected with the scissors head, the middle position of the pull rod head is provided with a connecting groove, one side of the top of the pull rod head is provided with a first connecting column, and the bottom of the pull rod head is provided with a second connecting column which is staggered with the first connecting column; the scissors head mainly comprises a clamping piece, an upper scissors blade and a lower scissors blade, wherein a first groove and a second groove are respectively formed in the upper scissors blade and the lower scissors blade and are connected with a pull rod head through corresponding grooves, the upper scissors blade, the pull rod head and the lower scissors blade are all arranged in an open slot of the clamping piece and are hinged through screws, and the handle assembly drives the pull rod to move back and forth so as to drive the upper scissors blade and the lower scissors blade to move relatively to complete shearing action.

Description

Heart surgical scissors for cardiothoracic surgery

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to heart surgery of cardiothoracic surgery cuts.

Background

The surgery is a science for researching the occurrence, development law and clinical manifestations, diagnosis, prevention and treatment of surgical diseases, is a professional department taking surgical excision and repair as main treatment means, and is greatly developed along with the application of microsurgery technology, the special setting principle of the surgery in each hospital is similar to that of the internal medicine, generally corresponding to the internal medicine, and the surgical diseases are divided into five categories: trauma, infection, tumor, deformity and dysfunction.

With the continuous development of surgical medical technology, surgical medical instruments are also very important, good surgical medical instruments can improve the success rate of operations and facilitate the use of medical personnel, and surgical scissors are common medical instruments used by medical personnel in the operation process and are surgical instruments used for shearing skin tissues or soft tissues of human bodies. The medical surgical scissors play an important role in medicine, and particularly have high requirements on the strength, the structure and the like of the surgical scissors in high-precision operations such as cardiac surgery and the like, but the existing cardiac surgery scissors have simpler structures, are particularly inconvenient to use in narrow environments or when deep shearing is needed, and can ensure the shearing accuracy only by taking great care of a user.

Disclosure of Invention

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a stable in structure is provided, the heart operation of the heart chest surgery operation that its result of use of convenient operation is better is cut.

The utility model aims at providing a heart surgical scissors for cardiothoracic surgery, which mainly comprises a scissors head and a driving part for driving the scissors head to open and close to complete the shearing action, wherein the driving part mainly comprises a pull rod and a handle component for driving the pull rod to move back and forth, the pull rod is arranged in a hollow outer tube and can move back and forth relative to the hollow outer tube, the front side of the pull rod is provided with a pull rod head for connecting with the scissors head, the middle position of the pull rod head is provided with a connecting groove in a penetrating way, one side of the top of the pull rod head is provided with a first connecting post, and the bottom of the pull rod head is provided with a second connecting post which is staggered with the first connecting post; the scissors head mainly comprises a clamping piece, an upper scissors blade and a lower scissors blade, wherein an open slot is arranged on the front side wall of the clamping piece, a connecting hole communicated with the open slot is axially arranged on the tail part of the clamping piece in a penetrating way, a first groove is arranged on one side wall surface of the upper scissors blade, which is in the same direction as the knife edge, a second groove is arranged on one side wall surface of the lower scissors blade, which is in the same direction as the knife edge, the upper scissors blade is connected with a first connecting column of the pull rod head through the first groove, the lower scissors blade is connected with a second connecting column of the pull rod head through the second groove, the upper scissors blade, the pull rod head and the lower scissors blade are all arranged in the open slot of the clamping piece and hinged through screws, convex arc-shaped positioning blocks are respectively arranged on the outer side walls of the upper scissors blade and the lower scissors blade, positioning grooves which correspond to and are mutually matched with the positioning blocks on the, the handle component drives the pull rod to move back and forth so as to drive the upper shear blade and the lower shear blade to move relatively, thereby completing the shearing action.

Further, the handle assembly mainly comprises a spring handle and a handle connecting piece, the spring handle comprises an upper elastic piece and a lower elastic piece which are arranged in a V shape, the inner sides of the front ends of the upper elastic piece and the lower elastic piece are respectively hinged with the handle connecting piece, the upper elastic piece and the lower elastic piece are respectively connected with the pull rod through the handle connecting piece and drive the pull rod to move back and forth, handle shells with anti-skid grains are correspondingly arranged on the outer surfaces of the upper elastic piece and the lower elastic piece respectively, and an outer tube seat is arranged on one side, close to the spring handle, of the hollow outer tube.

Furthermore, the cardiac surgery scissors further comprise a flushing part for flushing the scissor head, the flushing part mainly comprises a flushing pipe, a flushing pipe seat and a flushing terminal, the flushing pipe seat is arranged in the spring handle and fixedly connected with the outer end of the spring handle, grooves for mounting the flushing pipe are formed in two sides of the flushing pipe seat and connected with the flushing pipe through the grooves, the outer end of the spring handle is provided with the flushing terminal communicated with the water inlet end of the flushing pipe, and the outer pipe seat is provided with a flushing pipe hole connected with the water outlet end of the flushing pipe; when needs wash, the water source lets in from washing the terminal, flows into in the cavity outer tube behind flushing pipe and the outer tube seat in proper order, flows out from the hollow outer tube and the terminal surface of being connected of scissors head again to wash the scissors head.

Furthermore, an opening control block capable of adjusting the opening angle of the scissor head is arranged on the outer wall of one side, close to the outer tube base, of the pull rod, and the opening control block is screwed on the outer wall of the pull rod and adjusts the opening angle of the scissor head by adjusting the relative position of the pull rod in the hollow outer tube.

Furthermore, the handle connecting piece is of an arc-shaped structure, and two sides of the handle connecting piece are respectively hinged with the spring handle and the pull rod through pins.

The utility model has the advantages of: the utility model discloses simple structure is compact, has overcome current surgical scissors and has needed the problem in great operating space, makes the pull rod produce backward pulling force through handle assembly, and the rethread pull rod is overhead power transmission scissors, makes the scissors head closed, produces the shearing force. After the scissors are cut, the hand holding force is adjusted, the handles are outwards bounced through the elasticity of the spring handles, and the pull rod generates forward thrust to open the scissor heads; the cutting effect is better, the surgical scissors are more suitable for narrow part surgery, and simultaneously the problem that the existing surgical scissors cause discomfort to fingers when used for a long time is solved; furthermore, the utility model discloses still have the function that in time washes the surgical scissors to avoid scissors head blood adhesion or the influence that the coagulation brought the operation.

Drawings

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

fig. 2 is a schematic sectional structural view of the driving part of the present invention;

fig. 3 is a schematic view of the overall structure of the scissor head according to the present invention;

fig. 4 is a schematic structural view of the spring handle of the present invention;

fig. 5 is a schematic structural view of the clip of the present invention;

fig. 6 is a schematic structural view of the tie rod head of the present invention;

fig. 7 is a schematic structural view of the upper shear blade of the present invention;

fig. 8 is a schematic structural view of the lower shear blade of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "lateral", "vertical", and the like are the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-8, the cardiac surgery scissors for cardiothoracic surgery of the present invention mainly comprises a scissors head 1 and a driving part for driving the scissors head 1 to open and close to complete the shearing action, the driving part mainly comprises a pull rod 2 and a handle assembly 3 for driving the pull rod 2 to move back and forth, the pull rod 2 is disposed in a hollow outer tube 4 and can move back and forth relative to the hollow outer tube 4, a pull rod head 21 for connecting with the scissors head 1 is disposed at the front side of the pull rod 2, a connecting groove is disposed at the middle position of the pull rod head 21, a first connecting post 22 is disposed at one side of the top of the pull rod head 21, and a second connecting post 23 is disposed at the bottom of the pull rod head 21 and staggered with the first connecting post 22; the scissor head 1 mainly comprises a clamping piece 11, an upper scissor piece 12 and a lower scissor piece 13, wherein an open slot 14 is formed in the front side wall of the clamping piece 11, a connecting hole 15 communicated with the open slot 14 is formed in the tail of the clamping piece 11 in an axial penetrating manner, a first groove 16 is formed in the wall surface of one side of the upper scissor piece 12, which is in the same direction with the knife edge, a second groove 17 is formed in the wall surface of one side of the lower scissor piece 13, the upper scissor piece is connected with a first connecting column 22 of a pull rod head 21 through the first groove 16, the lower scissor piece 13 is connected with a second connecting column 23 of the pull rod head 21 through the second groove 17, the upper scissor piece 12, the pull rod head 21 and the lower scissor piece 13 are all arranged in the open slot 14 of the clamping piece 11 and hinged through screws, raised arc-shaped positioning blocks 18 are respectively arranged on the outer side walls of the upper scissor piece 12 and the lower scissor piece 13, the clip 11 is provided with a positioning groove 19 corresponding to and cooperating with the positioning block 18 on the upper shear blade 12 and the lower shear blade 13, and the handle assembly 3 drives the pull rod 2 to move back and forth to drive the upper shear blade 12 and the lower shear blade 13 to move relatively so as to complete the shearing action.

Referring to fig. 2, the handle assembly 3 mainly includes a spring handle 31 and a handle connecting piece 32, the spring handle 31 includes an upper elastic piece 311 and a lower elastic piece 312 which are arranged in a V shape, the inner sides of the front ends of the upper elastic piece 311 and the lower elastic piece 312 are both hinged with the handle connecting piece 32, the upper elastic piece 311 and the lower elastic piece 312 are respectively connected with the pull rod 2 through the handle connecting piece 32 and drive the pull rod 2 to move back and forth through the handle connecting piece 32, the handle connecting piece 21 is of an arc-shaped structure, and two sides of the handle connecting piece 21 are respectively hinged with the spring handle 31 and the pull rod 2 through pins; the outer surfaces of the upper elastic sheet 311 and the lower elastic sheet 312 are respectively and correspondingly provided with a handle shell 33 with anti-skid grains, and one side of the hollow outer tube 4 close to the spring handle 31 is provided with an outer tube seat 5.

Referring to fig. 3, the cardiac surgery scissors further comprise a washing part 6 for washing the scissor head 1, the washing part mainly comprises a washing pipe 61, a washing pipe seat 62 and a washing terminal 63, the washing pipe seat 62 is arranged in the spring handle 31 and fixedly connected with the outer end of the spring handle 31, grooves for mounting the washing pipe 61 are arranged on two sides of the washing pipe seat 62 and connected with the washing pipe 61 through the grooves, the washing terminal 63 communicated with the water inlet end of the washing pipe 61 is arranged on the outer end of the spring handle 31, and a washing pipe hole connected with the water outlet end of the washing pipe 61 is formed in the outer pipe seat 5; when the scissors head 1 needs to be washed, a water source is introduced from the washing terminal 63, sequentially flows into the hollow outer tube 4 through the washing tube 61 and the outer tube seat 5, and then flows out from the connecting end face of the hollow outer tube 4 and the scissors head 1, so that the scissors head 1 is washed.

Referring to fig. 3, an opening control block 7 capable of adjusting the opening angle of the scissor head 1 is arranged on the outer wall of the pull rod 2 close to the outer tube seat 5, and the opening control block 7 is screwed on the outer wall of the pull rod 2 and adjusts the opening angle of the scissor head 1 by adjusting the relative position of the pull rod 2 in the hollow outer tube 4.

When the scissors are used specifically, the pull rod generates backward pulling force through the handle assembly, and then the force is transmitted to the scissor heads through the pull rod, so that the scissor heads are closed to generate shearing force. After the scissors are cut, the hand holding force is adjusted, the handles are outwards bounced through the elasticity of the spring handles, and the pull rod generates forward thrust to open the scissor heads; the cutting effect is better, the surgical scissors are more suitable for narrow part surgery, and simultaneously the problem that the existing surgical scissors cause discomfort to fingers when used for a long time is solved; furthermore, the utility model discloses still have the function that in time washes the surgical scissors to avoid scissors head blood adhesion or the influence that the coagulation brought the operation.

The specific embodiments described herein are merely illustrative of the principles of the present invention and its efficacy, and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical idea of the present invention shall be covered by the claims of the present invention.

Claims

1. The utility model provides a heart surgery scissors of cardiothoracic surgery operation, mainly includes scissors head and drive the scissors head opens and shuts in order to accomplish the drive division of shearing action which characterized in that: the driving part mainly comprises a pull rod and a handle assembly for driving the pull rod to move back and forth, the pull rod is arranged in the hollow outer tube and can move back and forth relative to the hollow outer tube, a pull rod head used for being connected with the scissor head is arranged on the front side of the pull rod, a connecting groove is arranged in the middle of the pull rod head in a penetrating mode, a first connecting column is arranged on one side of the top of the pull rod head, and a second connecting column which is staggered with the first connecting column is arranged at the bottom of the pull rod head; the scissors head mainly comprises a clamping piece, an upper scissors blade and a lower scissors blade, wherein an open slot is arranged on the front side wall of the clamping piece, a connecting hole communicated with the open slot is axially arranged on the tail part of the clamping piece in a penetrating way, a first groove is arranged on one side wall surface of the upper scissors blade, which is in the same direction as the knife edge, a second groove is arranged on one side wall surface of the lower scissors blade, which is in the same direction as the knife edge, the upper scissors blade is connected with a first connecting column of the pull rod head through the first groove, the lower scissors blade is connected with a second connecting column of the pull rod head through the second groove, the upper scissors blade, the pull rod head and the lower scissors blade are all arranged in the open slot of the clamping piece and hinged through screws, convex arc-shaped positioning blocks are respectively arranged on the outer side walls of the upper scissors blade and the lower scissors blade, positioning grooves which correspond to and are mutually matched with the positioning blocks on the, the handle component drives the pull rod to move back and forth so as to drive the upper shear blade and the lower shear blade to move relatively, thereby completing the shearing action.

2. A cardiac surgical shears according to claim 1, wherein: the handle assembly mainly comprises a spring handle and a handle connecting piece, the spring handle comprises an upper elastic piece and a lower elastic piece which are arranged in a V shape, the inner sides of the front ends of the upper elastic piece and the lower elastic piece are respectively hinged with the handle connecting piece, the upper elastic piece and the lower elastic piece are respectively connected with the pull rod through the handle connecting piece and drive the pull rod to move back and forth, a handle shell with anti-skid grains is correspondingly arranged on the outer surfaces of the upper elastic piece and the lower elastic piece respectively, and an outer tube seat is arranged on one side, close to the spring handle, of the hollow outer tube.

3. A cardiac surgical shears according to claim 2, wherein: the scissors head washing device is characterized by further comprising a washing part for washing the scissors head, wherein the washing part mainly comprises a washing pipe, a washing pipe seat and a washing terminal, the washing pipe seat is arranged in the spring handle and fixedly connected with the outer end of the spring handle, grooves for mounting the washing pipe are formed in two sides of the washing pipe seat and connected with the washing pipe through the grooves, the washing terminal communicated with the water inlet end of the washing pipe is arranged at the outer end of the spring handle, and a washing pipe hole connected with the water outlet end of the washing pipe is formed in the outer pipe seat; when needs wash, the water source lets in from washing the terminal, flows into in the cavity outer tube behind flushing pipe and the outer tube seat in proper order, flows out from the hollow outer tube and the terminal surface of being connected of scissors head again to wash the scissors head.

4. A cardiac surgical shears according to claim 2 or 3, wherein: the outer wall of one side of the pull rod, which is close to the outer tube seat, is provided with an opening control block which can adjust the opening angle of the scissor head, and the opening control block is screwed on the outer wall of the pull rod and adjusts the opening angle of the scissor head by adjusting the relative position of the pull rod in the hollow outer tube.

5. A cardiac surgical shears according to claim 4, wherein: the handle connecting piece is of an arc-shaped structure, and two sides of the handle connecting piece are hinged with the spring handle and the pull rod through pins respectively.