CN110638504A

CN110638504A - Small intestine surgical operation tool integrating clamping and cutting functions

Info

Publication number: CN110638504A
Application number: CN201910935920.5A
Authority: CN
Inventors: 李和森
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-01-03
Anticipated expiration: 2039-09-29
Also published as: CN110638504B

Abstract

The invention discloses a small intestine surgical operation tool integrating clamping and cutting functions, which comprises an external clamping mechanism, an internal clamping mechanism, a cutting mechanism and a pushing unlocking mechanism, wherein the external clamping mechanism drives the internal clamping mechanism to clamp a part to be cut, the cutting mechanism penetrates through the internal clamping mechanism to cut off the part to be cut, and the pushing unlocking mechanism pushes the internal clamping mechanism to separate relative to the external clamping mechanism. Compared with the prior art, the technical scheme of the invention has the advantages of simple structure, simple and reliable operation and the like, and can effectively improve the working efficiency and success rate of small intestine cutting operation.

Description

Small intestine surgical operation tool integrating clamping and cutting functions

Technical Field

The invention relates to the technical field of medical instruments, in particular to a small intestine surgical operation tool integrating a clamping and cutting function.

Background

The cutting of the pathological part of the small intestine is one of the common operations in the digestive department, and the selection of a proper, reasonable and professional cutting tool is an important guarantee for ensuring the operation safety. Conventional procedures, which involve two procedures, clamping and severing, typically require the use of intestinal and blood clamps, which first clamp the small intestine to prevent intestinal fluid from flowing out, and then sever the small intestine. Analysis of the process of severing the small intestine has revealed that the surgical procedure requires three areas of attention. Firstly, determining the position of the small intestine before cutting off; secondly, clamping and cutting off the lesion of the small intestine; third, the small intestine is sutured or anastomosed.

Therefore, the medical instrument and tool which are reasonably arranged can simultaneously give consideration to the two functional processes of perfecting clamping and cutting off, and the problems of preventing intestinal juice from flowing out and peeling off small intestines by a cutter after cutting off are taken into consideration, so that the medical instrument and tool has important significance for improving the success rate of the operation.

Disclosure of Invention

The invention mainly aims to provide a small intestine surgical operation tool which is simple in structure, easy and reliable to operate and integrates a clamping and cutting function, and aims to improve the working efficiency and success rate of small intestine cutting operation.

In order to achieve the purpose, the small intestine surgical operation tool integrating the clamping and cutting functions comprises an external clamping mechanism, an internal clamping mechanism, a cutting mechanism and a pushing and unlocking mechanism, wherein the external clamping mechanism drives the internal clamping mechanism to clamp a part to be cut, the cutting mechanism penetrates through the internal clamping mechanism to cut off the part to be cut, and the pushing and unlocking mechanism is used for pushing the internal clamping mechanism to be separated relative to the external clamping mechanism.

Preferably, the external clamping mechanism comprises an upper end handle, a lower end handle and a connecting part for connecting the ends of the upper end handle and the lower end handle, and the upper end handle can elastically swing relative to the lower end handle; the internal clamping mechanism comprises a plurality of clamping pieces, each clamping piece comprises an upper clamping piece and a lower clamping piece which can elastically swing relative to each other, the upper clamping piece and the lower clamping piece are close to each other and can clamp the small intestine, and the bottom of the lower clamping piece is connected with the lower end handle in a sliding mode.

Preferably, the opposite surfaces of the upper clamp and/or the lower clamp are provided with anti-slip structures for preventing the small intestine from slipping out.

Preferably, the surface of the upper end handle is provided with a mounting groove hole, the bottom of the mounting groove hole is elastically connected with the bottom of an upper end sub-handle of the cutting mechanism, the upper end sub-handle protrudes outwards when not pressed, the bottom surface of the upper end sub-handle is detachably connected with a blade, and when the upper end sub-handle is pressed and swings downwards, the blade can penetrate through a gap between adjacent clamping pieces and cut off the small intestine.

Preferably, the pushing unlocking mechanism comprises a push rod arranged in a sliding groove at the end part of the lower end handle, and the push rod can push the clamping piece out of the lower end handle towards the other end of the lower end handle.

Preferably, connecting portion bottom be equipped with the stopper can with the spacing recess that the push rod top surface was equipped with offsets spacingly, the lower extreme handle surface is equipped with the restriction of the spacing springboard that leans out and elastically swing the outside roll-off of clamping piece non-stress state, upper terminal handle medial surface bottom is equipped with convex upper terminal handle stopper down can support in lower extreme handle top surface.

Preferably, the bottom surface of the lower clamping piece is provided with a T-shaped block which is matched with and slides in a T-shaped groove formed in the surface of the lower end handle, and the other end of the upper clamping piece is detachably connected with the other end of the lower clamping piece through a buckle.

Preferably, the other end of the upper end handle and the other end of the upper end sub-handle are respectively provided with an inwards concave pressing groove, and the other end of the lower end handle is provided with a finger ring capable of extending into a finger.

Preferably, the upper end handle, the lower end handle, the connecting portion and the upper terminal handle are made of polypropylene materials and have green surface color, the upper clamping piece and the lower clamping piece are made of polypropylene materials and have milky surface color, and the blade is made of a medical stainless steel blade.

Compared with the prior art, the technical scheme of the invention has the following advantages:

according to the technical scheme, the small intestine is clamped circumferentially through the cooperation of the upper clamping piece and the lower clamping piece, the clamping and fixing of the clamped small intestine are realized through the clamping structures at the end parts of the upper clamping piece and the lower clamping piece, and meanwhile, the anti-skidding structures are arranged on the surfaces of the upper clamping piece and the lower clamping piece to prevent the small intestine from slipping out after being clamped, so that the clamping reliability in the operation process can be ensured. In addition, after the small intestine is clamped by the upper clamping piece and the lower clamping piece together, the upper end sub handle connected with the upper end handle swings downwards and the blade penetrates through the adjacent clamping piece to cut off the affected part of the small intestine, and the clamping piece which is used for clamping the small intestine after the small intestine is cut off is pushed outwards by matching with the push rod to facilitate subsequent operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a perspective view of a small intestine surgical tool of the present invention;

FIG. 2 is a side view of the small intestine surgical tool of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is an exploded view of the small intestine surgical tool of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	External clamping mechanism	22	Lower clamping piece
11	Upper end handle	23	Clamping tooth structure
				111	Mounting slot hole	24	Buckle structure
12	Connecting part	25	T-shaped block
				121	Limiting block	3	Cutting mechanism
13	Lower end handle	31	Upper terminal handle
				131	Sliding chute	32	Upper terminal handle limiting block
132	Spacing elastic plate	33	Pressing groove
				133	Finger ring	34	Blade
134	T-shaped groove	4	Push awayUnlocking mechanism
				2	Internal clamping mechanism	41	Push rod
21	Upper clamping member	42	Limiting groove

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a small intestine surgical operation tool integrating a clamping and cutting function.

Referring to fig. 1 to 4, the small intestine surgical operation tool integrating clamping and cutting functions according to the embodiment of the present invention includes an external clamping mechanism 1, an internal clamping mechanism 2, a cutting mechanism 3 and a pushing unlocking mechanism 4, wherein the external clamping mechanism 1 drives the internal clamping mechanism 2 to clamp a to-be-cut small intestine, the cutting mechanism 3 passes through the internal clamping mechanism 2 by power pushing and cuts an affected part of the small intestine, and after the small intestine is cut, the internal clamping mechanism 2 is separated from the external clamping mechanism 1 by power pushing of the pushing unlocking mechanism 4.

Specifically, the external clamping mechanism 1 of the present embodiment includes an upper end handle 11 and a lower end handle 13, and a connecting portion 12 connecting the ends of the upper end handle 11 and the lower end handle 13, and the upper end handle 11 can swing up and down relative to the lower end handle 13 through the connecting portion 12, and when the upper end handle 11 is in an unstressed state, the upper end handle 11 and the lower end handle 13 are at a certain angle to facilitate installation of the internal clamping mechanism 2. The internal clamping mechanism 2 of the present embodiment includes two clamping members spaced apart by a predetermined distance, each of which includes an upper clamping member 21 and a lower clamping member 22 that are resiliently swingable relative to each other, and the upper clamping member 21 and the lower clamping member 23 intersect and are separated from each other at an angle when the clamping members are in a non-pressed state. When the clamping piece is in a pressed state, the upper end handle 11 pushes the upper clamping piece 21 to swing towards the lower clamping piece 22, and the small intestine is clamped by the upper clamping piece 21 and the lower clamping piece 22 together. Preferably, in order to prevent the small intestine from slipping out after the upper clamping member 21 and the lower clamping member 22 clamp the small intestine, the present embodiment provides an anti-slip structure on the surface of the upper clamping member 21 and the lower clamping member 22, that is, the clamping tooth structure 23 shown in fig. 1, 2 and 3, and achieves an anti-slip effect by embedding part of the clamping tooth structure 23 into the surface of the small intestine.

Referring to fig. 1 and 4, in addition, the surface of the upper end handle 11 of the present embodiment is provided with a mounting slot 111 from top to bottom, the bottom of the mounting slot 111 extends to the end position of the lower end handle 13, and the bottom position of the mounting slot 111 is connected with the bottom of the upper end handle 31 of the cutting mechanism 3, the upper end handle 31 protrudes outwards in a non-pressed state, and the bottom surface of the upper end handle 31 is detachably connected with a blade 34, when the upper end handle 31 is pressed and swings downwards, the blade 34 can pass through the gap between the adjacent clamping pieces and cut off the small intestine.

The push unlocking mechanism 4 of the present embodiment includes a push rod 41 disposed in a slide groove 131 at the end of the lower end shank 13, and the push rod 41 is movable toward the other end of the lower end shank 13 and pushes the clamping member out of the lower end shank 13.

Referring to fig. 1 to 4, the bottom of the connecting portion 12 of the present embodiment is provided with a limiting block 121 capable of abutting against a limiting groove 42 formed on the top surface of the push rod 41, so as to limit the push rod 41 from being pulled out excessively and separating from the sliding slot 131 at the end of the lower end handle 13. And the surface of the lower terminal handle 13 is provided with a limiting elastic plate 132 which is arranged obliquely outwards and swings elastically so as to limit the clamping piece to slide outwards when not being pushed, and the bottom of the inner side surface of the upper terminal handle 31 is provided with an upper terminal handle limiting block 32 which protrudes downwards and can be abutted against the top surface of the lower terminal handle 13, so that the upper terminal handle 31 can be effectively prevented from swinging outwards excessively.

The bottom surface of the lower clamping member 22 of the present embodiment is slidably connected to the lower end handle 13, wherein the bottom surface of the lower clamping member 22 is provided with a T-shaped block 25 which is slidably matched with the T-shaped groove 134 on the surface of the lower end handle 13, and in order to maintain the clamping relationship after the small intestine is clamped by the upper clamping member 21 and the lower clamping member 22, the present embodiment realizes the reliable connection by providing the snap-fit structures 24 on the open end of the upper clamping member 21 and the lower clamping member 22 which are mutually matched and clamped.

In order to facilitate the operation and force application of the small intestine surgical tool integrating the clamping and cutting functions, the present embodiment is provided with concave pressing grooves 33 at the open end of the upper end handle 11 and the open end of the upper terminal handle 31 respectively for facilitating the pressing and positioning and force application by the thumb, and the other end of the lower end handle 13 is provided with a finger ring 133 capable of extending fingers, and the finger ring 133 is used to cooperate with the pressing grooves 33 by extending the index finger and the middle finger into the finger ring 133.

In addition, the upper end handle 11, the lower end handle 13, the connecting portion 12 and the upper end sub-handle 31 of the present embodiment are made of polypropylene materials, the surface color of the upper clamping member 21 and the surface color of the lower clamping member 22 are milk white, and the blade 34 is a medical stainless steel blade. Based on the special requirements of medical supplies and the special environment of an operating room, the selected polypropylene has the advantages of no color, no odor, no toxicity and the like, so that the requirement of medical sanitation is met, and the polypropylene material has the characteristics of good tensile strength, compressive strength, hardness, toughness and the like, and can reach the requirement of automatic homing elasticity and processing precision. The adopted colors are green and milky white, and can be compared with the blood color to reduce the visual pressure.

Referring to fig. 1 to 4, the working principle of the small intestine surgical tool integrating the clamping and cutting functions in this embodiment is as follows:

firstly, the T-shaped block 25 on the bottom surface of the lower clamping piece 22 is clamped into the T-shaped groove 134 arranged on the surface of the lower end handle 13, at the moment, the upper clamping piece 21 is in contact with the bottom surface of the upper end handle 11 in an attaching mode, the top plate of the upper clamping piece 21 penetrates through the installation groove hole 111, a medical worker penetrates the index finger and the middle finger into the finger ring 133 on the end portion of the lower end handle 13 and presses the pressing groove 33 on the end portion of the upper end handle 11 through the thumb to enable the upper end handle 11 to swing towards the lower end handle 13, meanwhile, the upper clamping piece 21 swings towards the direction of the lower clamping piece 22, and the end portion of the upper clamping piece 21 and the end portion of the lower clamping piece 22 are connected through the clamping structure 24 on the end portions of the upper clamping piece.

Then, the pressing groove 33 at the end of the upper terminal handle 31 is pressed by the thumb, so that the upper terminal handle 31 pushes the rebounded upper terminal handle 11 to approach the lower terminal handle 13 again, and the blade 34 arranged on the bottom surface of the upper terminal handle 31 penetrates through the upper terminal handle 11 and the gap between the two adjacent clamping members and cuts off the small intestine clamped and fixed by the clamping members.

Then the push rod 41 is pushed to move towards the inside of the lower end handle 13, meanwhile, the end part of the push rod 41 pushes the lower clamping piece 22 to gradually move towards the outside of the lower end handle 13, and finally the clamping pieces clamped at the two ends of the small intestine fracture are respectively clamped and moved out, so that the clamping and cutting operation steps can be simultaneously completed through one set of tools.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a collect small intestine surgery operation instrument of function in an organic whole that presss from both sides cuts, its characterized in that includes outside clamping mechanism, inside clamping mechanism, shutdown mechanism and promotes release mechanism, and outside clamping mechanism drives inside clamping mechanism centre gripping and treats the position of cutting, and shutdown mechanism passes inside clamping mechanism and cuts off the part of waiting to cut, promotes release mechanism power and promotes inside clamping mechanism and separate relative outside clamping mechanism.

2. A small intestine surgical tool with integrated clamping and cutting function as claimed in claim 1, wherein said external clamping mechanism comprises an upper handle and a lower handle, and a connecting part connecting the ends of the upper handle and the lower handle, the upper handle can elastically swing relative to the lower handle; the internal clamping mechanism comprises a plurality of clamping pieces, each clamping piece comprises an upper clamping piece and a lower clamping piece which can elastically swing relative to each other, the upper clamping piece and the lower clamping piece are close to each other and can clamp the small intestine, and the bottom of the lower clamping piece is connected with the lower end handle in a sliding mode.

3. A small intestine surgical operation tool with integrated clamping and cutting functions as claimed in claim 2, wherein the opposite surfaces of said upper clamping member and/or said lower clamping member are provided with anti-slip structures for preventing the small intestine from slipping out.

4. A small intestine surgical operation tool with integrated clamping and cutting functions as claimed in claim 3, wherein the surface of said upper terminal handle is provided with a mounting slot hole, the bottom of the mounting slot hole is elastically connected with the bottom of the upper terminal handle of said cutting mechanism, the upper terminal handle protrudes outwards when in a non-pressed state, the bottom surface of the upper terminal handle is detachably connected with a blade, and when the upper terminal handle is pressed to swing downwards, the blade can pass through the gap between the adjacent clamping pieces and cut off the small intestine.

5. A small intestine surgical tool with integrated clamping and cutting function as claimed in claim 4, wherein said push unlocking mechanism comprises a push rod arranged in a slide groove at the end of said lower end handle, said push rod can move towards the other end of the lower end handle and push said clamping member out of the lower end handle.

6. The small intestine surgical tool with a clamping and cutting function as a whole as claimed in claim 5, wherein the bottom of the connecting portion is provided with a limiting block which can abut against and limit a limiting groove provided on the top surface of the push rod, the surface of the lower terminal handle is provided with an outward-inclined and elastically-swinging limiting elastic plate which limits the clamping member to slide outwards in an unstressed state, and the bottom of the inner side surface of the upper terminal handle is provided with a downward-protruding limiting block of the upper terminal handle which can abut against the top surface of the lower terminal handle.

7. A small intestine surgical operation tool with integrated clamping and cutting functions as claimed in claim 6, wherein said lower clamping member has a T-shaped block at its bottom surface for sliding engagement with a T-shaped groove formed on the surface of said lower handle, and the other end of said upper clamping member and the other end of said lower clamping member are detachably connected by a snap.

8. A small intestine surgical operation tool with integrated clamping and cutting functions as claimed in claim 7, wherein said other end of said upper handle and said other end of said upper terminal handle are respectively provided with an inward concave pressing groove, and said other end of said lower terminal handle is provided with a finger ring capable of extending into a finger.

9. A small intestine surgical operation tool with integrated clamping and cutting functions as claimed in claim 8, wherein said upper end handle, said lower end handle, said connecting portion and said upper terminal handle are made of polypropylene material and have a green surface color, said upper clamping member and said lower clamping member are made of polypropylene material and have a milky surface color, and said blade is made of medical stainless steel.