CN213465222U - Tissue forceps for cardiothoracic surgery - Google Patents

Abstract

The utility model discloses a tissue forceps for cardiothoracic surgery, which mainly comprises a forceps head body and a driving part for driving the forceps head body to open and close to complete the clamping action, wherein the driving part mainly comprises a pull rod and a handle component for driving the pull rod to move back and forth, and the pull rod is arranged in a hollow outer tube and can move back and forth relative to the hollow outer tube; the binding clip body mainly comprises a clamping piece, a binding clip connecting piece, an upper binding clip and a lower binding clip which are mutually hinged, 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 at the tail part of the clamping piece in a penetrating way, the upper binding clip and the lower binding clip are hinged in the clamping piece, one sides of the upper binding clip and the lower binding clip, which are far away from a binding clip, are respectively connected with a pull rod through the hinged binding clip connecting piece, and the handle component drives the pull rod to move back and forth to drive the binding clip connecting piece to move, so that the upper binding clip and the lower binding clip are driven to complete opening or closing actions; it has the characteristics of stable structure, convenient operation and the like.

Description

Tissue forceps for cardiothoracic surgery

Technical Field

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

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 tissue forceps are medical instruments which are introduced in the operations and have a wide range, and are called as mouse tooth forceps (Allis). The pressing to the tissue is lighter than the vascular forceps, so generally used for centre gripping soft tissue, difficult slippage, if the centre gripping pulls the pathological change position that is excised, in order to do benefit to the operation and go on, but current tissue forceps structure is all more single, it is very inconvenient to operate when carrying out the operation in some narrower positions, examine operator's basic work very much, may bring secondary injury for the patient slightly carelessly, influence the operation quality, furthermore, current tissue forceps mainly rely on the anti-skidding tooth on the binding clip of operation forceps to increase the friction between binding clip and the tissue, thereby prevent the tissue slippage by the centre gripping, however, in the in-service use, because the most gaps between the anti-skidding tooth can be filled to the interstitial fluid that permeates out in the human tissue, the area of contact of anti-skidding tooth and the tissue by the centre gripping has been reduced, thereby make the centre gripping effect less than ideal.

Disclosure of Invention

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

The tissue forceps for cardiothoracic surgery mainly comprises a forceps head body and a driving part for driving the forceps head body to open and close so as to complete clamping action, wherein the driving part mainly comprises a pull rod and a handle component for driving the pull rod to move back and forth, and the pull rod is arranged in a hollow outer tube and can move back and forth relative to the hollow outer tube; the binding clip body mainly includes clamping piece, binding clip connection piece and articulated last binding clip and lower binding clip each other, be provided with the open slot on the preceding lateral wall of clamping piece, the afterbody axial of clamping piece run through be provided with the connecting hole of open slot intercommunication, go up binding clip and articulated the setting in the clamping piece of lower binding clip, go up binding clip and lower binding clip keep away from one side of pincers mouth respectively through articulated binding clip connection piece with the pull rod is connected, handle assembly is through driving the pull rod back-and-forth movement in order to drive binding clip connection piece motion, thereby drives go up binding clip and lower binding clip and accomplish and open or closed 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 tissue forceps also comprise a flushing part for flushing the forceps head body, wherein 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 arranged on 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 after flushing pipe and outer tube seat in proper order, flows out from the terminal surface department of being connected of cavity outer tube and binding clip body again to wash the binding clip body.

Furthermore, an opening control block capable of adjusting the opening angle of the tong head body 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 tong head body by adjusting the relative position of the pull rod in the hollow outer tube.

Furthermore, at least two rows of conical teeth are longitudinally arranged on the lower binding clip, an inwards concave tooth groove is formed between every two rows of conical teeth, the upper binding clip is provided with conical teeth and tooth grooves which are distributed in a staggered mode with the conical teeth and the tooth grooves of the lower binding clip, and when the upper binding clip and the lower binding clip are completely closed, the conical teeth of the upper binding clip can be tightly embedded into the tooth grooves of the lower binding clip.

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 tissue pincers and has needed great operating space's problem, makes the pull rod produce backward pulling force through handle assembly, and the rethread pull rod makes the binding clip piece closed on transmitting power to the binding clip connecting piece, produces the clamping-force. After clamping, the handle is outwards bounced through the elasticity of the spring handle, and the pull rod generates forward thrust to open the tong head; the clamping effect is better, the tissue forceps are more suitable for narrow part operation, and simultaneously, the problem that the existing tissue forceps cause discomfort to fingers when used for a long time is solved.

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 binding clip body of 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 upper binding clip of the present invention;

fig. 7 is a schematic structural diagram of the lower binding clip 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. 1-7, the tissue forceps for cardiothoracic surgery of the present invention mainly includes a forceps head body 1 and a driving portion for driving the forceps head body 1 to open and close to complete the clamping action, the driving portion mainly includes 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; the binding clip body 1 mainly includes clamping piece 11, binding clip connection piece 12 and articulated last binding clip 13 and lower binding clip 14 each other, be provided with open slot 15 on the preceding lateral wall of clamping piece 11, the afterbody axial of clamping piece 11 run through be provided with connecting hole 16 that open slot 15 communicates, go up binding clip 13 and the articulated setting in clamping piece 11 of lower binding clip 14, go up binding clip 13 and lower binding clip 14 and keep away from one side of pincers mouth respectively through articulated binding clip connection piece 12 with pull rod 2 is connected, handle assembly 3 is through driving pull rod 2 back-and-forth movement in order to drive binding clip connection piece 12 motion, thereby drives go up binding clip 13 and lower binding clip 14 and accomplish and open or closed 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 all 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 32 is of an arc-shaped structure, two sides of the handle connecting piece 32 are respectively hinged with the spring handle 31 and the pull rod 2 through pins, handle shells 33 with anti-skid threads are respectively and correspondingly arranged on the outer surfaces of the upper elastic piece 311 and the lower elastic piece 312, and an outer tube seat 5 is arranged on one side of the.

Referring to fig. 2, the thoracic cavity tissue forceps further include a washing portion 6 for washing the forceps head body 1, the washing portion mainly includes a washing tube 61, a washing tube seat 62 and a washing terminal 63, the washing tube 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 tube are formed in two sides of the washing tube seat 62 and connected with the washing tube 61 through the grooves, the washing terminal 63 communicated with the water inlet end of the washing tube 61 is arranged at the outer end of the spring handle 31, and a washing tube hole connected with the water outlet end of the washing tube 61 is formed in the outer tube seat 5; when the operation needs to be washed, a water source is introduced from the washing terminal 63, flows into the hollow outer tube 4 after sequentially passing 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 forceps head body 1, so that the forceps head body is washed, and the operation is convenient for the next operation. An opening control block 7 capable of adjusting the opening angle of the tong head body 1 is arranged on the outer wall of the pull rod 2 close to one side of 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 tong head body 1 by adjusting the relative position of the pull rod 2 in the hollow outer tube 4.

Referring to fig. 1, at least two rows of conical teeth 8 are longitudinally arranged on the lower binding clip 14, an inward-recessed tooth socket 9 is arranged between each row of conical teeth 8, conical teeth 8 and tooth sockets 9 which are alternately distributed with the conical teeth 8 and the tooth sockets 9 of the lower binding clip 14 are arranged on the upper binding clip 13, and when the upper binding clip 14 and the lower binding clip 14 are completely closed, the conical teeth 8 of the upper binding clip 13 can be tightly embedded in the tooth sockets 9 of the lower binding clip 14.

When the pliers are actually used, the spring handle is pressed to enable the pull rod to generate backward pulling force, and then the force is transmitted to the pliers head connecting piece through the pull rod to enable the pliers head connecting piece to be closed to generate clamping force. After clamping, the handle is outwards bounced through the elasticity of the spring handle, and the pull rod generates forward thrust to open the tong head; the clamping effect is better, the tissue forceps are more suitable for narrow part operation, and simultaneously, the problem that the existing tissue forceps cause discomfort to fingers when used for a long time is solved.

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 (6)

1. The utility model provides a tissue forceps of cardiothoracic surgery operation, mainly includes binding clip body and drive the binding clip body opens and shuts in order to accomplish to get the drive division of getting the action, its 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, and the pull rod is arranged in the hollow outer tube and can move back and forth relative to the hollow outer tube; the binding clip body mainly includes clamping piece, binding clip connection piece and articulated last binding clip and lower binding clip each other, be provided with the open slot on the preceding lateral wall of clamping piece, the afterbody axial of clamping piece run through be provided with the connecting hole of open slot intercommunication, go up binding clip and articulated the setting in the clamping piece of lower binding clip, go up binding clip and lower binding clip keep away from one side of pincers mouth respectively through articulated binding clip connection piece with the pull rod is connected, handle assembly is through driving the pull rod back-and-forth movement in order to drive binding clip connection piece motion, thereby drives go up binding clip and lower binding clip and accomplish and open or closed action.

2. The cardiothoracic surgical tissue forceps of claim 1, further comprising: 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. The cardiothoracic surgical tissue forceps of claim 2, further comprising: 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 installing the washing pipe are formed in the 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 after flushing pipe and outer tube seat in proper order, flows out from the terminal surface department of being connected of cavity outer tube and binding clip body again to wash the binding clip body.

4. Ambidextrous surgical tissue forceps according to claim 2 or 3, characterized in that: 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 tong head body, and the opening control block is screwed on the outer wall of the pull rod and adjusts the opening angle of the tong head body by adjusting the relative position of the pull rod in the hollow outer tube.

5. The cardiothoracic surgical tissue forceps of claim 4, further comprising: the lower binding clip is longitudinally provided with at least two rows of conical teeth, an inwards concave tooth groove is formed between every two rows of conical teeth, the upper binding clip is provided with conical teeth and tooth grooves which are distributed in a staggered mode with the conical teeth and the tooth grooves of the lower binding clip, and when the upper binding clip and the lower binding clip are completely closed, the conical teeth of the upper binding clip can be tightly embedded into the tooth grooves of the lower binding clip.

6. The cardiothoracic surgical tissue forceps of claim 4, further comprising: 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.

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