CN212592392U

CN212592392U - Novel injection high-frequency electric cutting function knife for endoscope

Info

Publication number: CN212592392U
Application number: CN202020347322.4U
Authority: CN
Inventors: 黄思霖; 龚伟; 夏瑰丽
Original assignee: Guangzhou Ruben Bio Tech Co ltd
Current assignee: Guangzhou Ruben Biotechnology Co.,Ltd.
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-02-26
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a novel function sword is cut with injection high frequency electricity to endoscope, detain, pull ring, cable interface, cavity, spacing groove, horizontal pole, connecting seat, notes liquid interface, hose, tool bit, cable, transfer line, sheath, injection syringe needle, electrotome, baffle, pulley holder, haulage rope and compression spring including action bars, sliding sleeve, operation handle thumb. The utility model has the advantages that: injection needle makes for adopting insulating material, and injection needle's front end is the closed angle form, inside cavity, can insert the inside at pathological change position very easily and inject, the electrotome is made for adopting conductive metal material, can release high frequency current, and then can play the electric cutting effect who is used for the mucous membrane, the front end of electrotome is the closed angle form, can be convenient for hook the mucous membrane tissue that cuts, the electrotome pulls the haulage rope through the sliding sleeve and is the rotary type and connects, can drive the switching activity of electrotome, so that accomplish the function that the mucous membrane cut and amputates.

Description

Novel injection high-frequency electric cutting function knife for endoscope

Technical Field

The utility model relates to a functional knife, in particular to a novel injection high-frequency electric cutting functional knife for an endoscope, belonging to the technical field of medical instruments.

Background

The endoscopic submucosal dissection is a new treatment means appearing in recent years, is also a technology with good clinical application prospect, can completely excise more early digestive tract cancers at one time under an endoscope, avoids the pain of an open operation and the excision of organs, and a high-frequency electrotome is an electrosurgical instrument for replacing a mechanical scalpel to cut tissues.

For the existing electric knife, one of the electric knife only has a cutting function, and when the endoscope submucosal dissection is performed, hemostatic or therapeutic medicines are required to be injected into a cutting part, so that when the electric knife is used, instruments are required to be repeatedly exchanged, more time is spent, more inconvenience is caused, and the opening mode of the existing electric knife is that two cutting knives can be movably opened, so that the opening angle of the electric knife is inconvenient to control in the operation process, and higher difficulty is brought to the operation of medical care personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a novel high-frequency electric injection cutter for an endoscope.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a novel injection high-frequency electric cutting function knife for an endoscope comprises an operating rod, a sliding sleeve, an operating handle thumb buckle, a pull ring, a cable interface, a cavity, a limiting groove, a cross rod, a connecting seat, a liquid injection interface, a hose, a knife head, a cable, a transfusion tube, a knife sheath, an injection needle head, an electric cutting knife, a partition plate, a pulley seat, a traction rope and a compression spring; the operating rod, the sliding sleeve, the hose and the cutter head form a main body structure of the functional knife, the sliding sleeve is sleeved on the operating rod, the top end of the operating rod is provided with an operating handle thumb buckle, two sides of the sliding sleeve are provided with pull rings, a cable interface is installed on the sleeve body of the sliding sleeve, the cavity is opened in the operating rod, the operating rod is provided with limit grooves on two sides of the cavity, the cross rod penetrates through the limit grooves to be fixedly connected with the inner wall of the sliding sleeve, an injection interface is arranged on the connecting seat, the connecting seat is connected between the operating rod and the hose, the other end of the hose is sleeved with the cutter head, the cable and the infusion tube are both arranged in the hose, the cable is connected between the cable interface and the electric knife, the infusion tube is connected between the injection interface and the injection needle head, and the cutter head is composed of a knife sheath, the injection needle head is fixedly installed at the top end of the knife sheath, the middle part of the electric cutter is connected with the knife sheath through a rotating shaft, a partition board is fixedly arranged inside the knife sheath, a pulley seat is fixedly arranged on one side face, close to the tail end of the electric cutter, of the partition board, the traction rope is connected between the tail end of the electric cutter and the cross rod by bypassing the pulley seat, and a compression spring is sleeved on the traction rope between the pulley seat and the tail end of the electric cutter.

Preferably, in order to easily insert into the interior of the lesion for injection, the injection needle is made of an insulating material, and the front end of the injection needle is in a sharp-angled shape and has a hollow interior.

Preferably, in order to play the role of electric cutting for mucous membranes, the electric knife is made of a conductive metal material, and is electrically connected with external high-frequency current through a cable interface connected with a cable.

Preferably, in order to facilitate hooking of the cut mucosal tissue, the front end of the electrotome has an inward-bent sharp-horn shape.

Preferably, in order to improve the insulating effect, the sheath, the partition plate, the pulley seat, the traction rope and the compression spring are all made of insulating non-conducting materials.

Preferably, in order to drive the opening and closing movement of the electric cutter, the electric cutter is connected in a rotating mode through a sliding sleeve pulling traction rope, and the tail end of the electric cutter is elastically arranged with the partition plate through a compression spring.

The utility model has the advantages that: this novel high frequency electrotomy function sword of injection for endoscope reasonable in design, the syringe needle is made for adopting insulating material, and the front end of syringe needle is the closed angle form, inside cavity, can insert the inside at pathological change position very easily and inject, the electrotome is made for adopting conductive metal material, and the cable interface that the electrotome passes through cable connection is electric connection with external high frequency electric current, can release high frequency electric current, and then can play the electrotomy effect that is used for the mucous membrane, the front end of electrotome is closed angle form, can be convenient for hook the mucosa tissue that cuts, the electrotome passes through sliding sleeve pulling haulage rope and is the rotary type and connects, and be elasticity setting through compression spring between the tail end of electrotome and the baffle, can drive the switching activity of electrotome, so that accomplish the function that the mucosa cut and amputate.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the structure of the tool bit of the present invention.

In the figure: 1. the device comprises an operating rod, a sliding sleeve, a thumb buckle of an operating handle, a pull ring, a cable connector, a cavity, a limiting groove, a cross rod, a connecting seat, a liquid injection connector, a hose, a flexible pipe, a cutter head, a cable, a connecting seat, a liquid injection connector, a flexible pipe, a liquid injection pipe, a cutter sheath, a flexible pipe, a flexible.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a novel injection high-frequency electric cutting knife for an endoscope comprises an operating rod 1, a sliding sleeve 2, an operating handle thumb buckle 3, a pull ring 4, a cable connector 5, a cavity 6, a limiting groove 7, a cross rod 8, a connecting seat 9, an injection connector 10, a hose 11, a knife head 12, a cable 13, a transfusion tube 14, a knife sheath 15, an injection needle 16, an electric cutting knife 17, a partition plate 18, a pulley seat 19, a traction rope 20 and a compression spring 21; the utility model discloses a medical scalpel, including action bars 1, sliding sleeve 2, hose 11 and tool bit 12, the major structure of this function sword is constituted to action bars 1, sliding sleeve 2 cover is established on action bars 1, the top of action bars 1 is provided with operating handle thumb buckle 3, the both sides of sliding sleeve 2 are provided with pull ring 4, just sliding sleeve 2's cover is installed cable interface 5 on one's body, cavity 6 is seted up in action bars 1, just action bars 1 has seted up spacing groove 7 in the both sides of cavity 6, horizontal pole 8 passes spacing groove 7 and is in the same place with sliding sleeve 2's inner wall fixed connection, seted up on connecting seat 9 and annotated liquid interface 10, just connecting seat 9 connects between action bars 1 and hose 11, the other pot head of hose 11 is equipped with tool bit 12, cable 13 and transfer line 14 all set up in hose 11, cable 13 connects between cable interface 5 and electrotome 17, the transfer line 14 is connected between annotating liquid interface 10 and syringe needle 16, tool bit 12 comprises sheath 15, syringe needle 16 and electrotome 17, syringe needle 16 fixed mounting is on the top of sheath 15, the middle part of electrotome 17 links together through pivot and sheath 15, the inside fixed arrangement of sheath 15 has baffle 18, just baffle 18 is fixed on being provided with pulley holder 19 on being close to the side of electrotome 17 tail end, haulage rope 20 walks around pulley holder 19 and connects between electrotome 17 tail end and horizontal pole 8, just haulage rope 20 has compression spring 21 at the partial cover between pulley holder 19 and electrotome 17 tail end.

The utility model discloses a mucosa tissue, including injection needle 16, electrotome 17, cable 13, knife sheath 15, baffle 18, pulley seat 19, haulage rope 20 and compression spring 21, injection needle 16 is for adopting insulating material to make, and injection needle 16's front end is the closed angle form, and inside cavity can insert the inside of pathological change position very easily and inject, electrotome 17 is for adopting conductive metal material to make, and electrotome 17 is the cable interface 5 that cable 13 connects and is electric connection with external high frequency current, can release high frequency current, and then can play the electric cutting effect that is used for the mucosa, the front end of electrotome 17 is the closed angle form, can be convenient for hook the mucosa tissue that cuts, sheath 15, baffle 18, pulley seat 19, haulage rope 20 and compression spring 21 are insulating non-conductive material and make, electrotome 17 stimulates haulage rope 20 through sliding sleeve 2 and is the rotary type and connects, and is the elasticity setting through compression spring 21 between electrotome 17's, so as to complete the functions of mucosa cutting and excision.

The working principle is as follows: when the novel high-frequency electric injection cutter for the endoscope is used, firstly, the end 11 of the hose with the cutter head 12 is inserted into a lesion position in a digestive tract from the oral cavity of a patient, the thumb is buckled on the thumb buckle 3 of the operating handle, the index finger and the middle finger are respectively buckled on the pull ring 4, the sliding sleeve 2 is lifted upwards to drive the electric cutter 17 to be opened, the injection needle head 16 is inserted into the lesion position for injection, the electric cutter 17 is connected with external high-frequency current through the cable interface 5 connected with the cable 13, the high-frequency current is released, and then the electric cutting of a mucous membrane can be realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel injection high-frequency electric cutting function knife for an endoscope is characterized in that: the device comprises an operating rod (1), a sliding sleeve (2), an operating handle thumb buckle (3), a pull ring (4), a cable interface (5), a cavity (6), a limiting groove (7), a cross rod (8), a connecting seat (9), a liquid injection interface (10), a hose (11), a tool bit (12), a cable (13), an infusion tube (14), a sheath (15), an injection needle head (16), an electric knife (17), a partition plate (18), a pulley seat (19), a traction rope (20) and a compression spring (21); the utility model discloses a multifunctional knife, including operating rod (1), sliding sleeve (2), hose (11) and tool bit (12), the major structure of this function sword is constituteed to operating rod (1), sliding sleeve (2) cover is established on operating rod (1), the top of operating rod (1) is provided with operating handle thumb buckle (3), the both sides of sliding sleeve (2) are provided with pull ring (4), just install cable connector (5) on the cover body of sliding sleeve (2), cavity (6) are seted up in the inside of operating rod (1), and operating rod (1) has seted up spacing groove (7) in the both sides of cavity (6), horizontal pole (8) pass spacing groove (7) and are in the same place with the inner wall fixed connection of sliding sleeve (2), annotate liquid interface (10) have been seted up on connecting seat (9), just connecting seat (9) are connected between operating rod (1) and hose (11), another pot head (12) of hose (11) are overlapped, cable (13) and transfer line (14) all set up in hose (11), cable (13) are connected between cable interface (5) and electrotome (17), transfer line (14) are connected between annotating liquid interface (10) and syringe needle (16), tool bit (12) comprise sheath (15), syringe needle (16) and electrotome (17), syringe needle (16) fixed mounting is on the top of sheath (15), the middle part of electrotome (17) links together through pivot and sheath (15), the inside fixed arrangement of sheath (15) has baffle (18), just baffle (18) are fixed on a side that is close to electrotome (17) tail end and are provided with pulley seat (19), haulage rope (20) are walked around pulley seat (19) and are connected between electrotome (17) tail end and horizontal pole (8), just part cover of haulage rope (20) between pulley seat (19) and electrotome (17) tail end has the compression bullet A spring (21).

2. The novel high-frequency electric knife for endoscope injection according to claim 1, characterized in that: the injection needle (16) is made of insulating materials, and the front end of the injection needle (16) is in a sharp-horn shape and is hollow inside.

3. The novel high-frequency electric knife for endoscope injection according to claim 2, characterized in that: the electric knife (17) is made of conductive metal materials, and the electric knife (17) is electrically connected with external high-frequency current through a cable interface (5) connected with a cable (13).

4. The novel high-frequency electric knife for endoscope injection according to claim 3, characterized in that: the front end of the electric knife (17) is in an inward-bent sharp-horn shape.

5. The novel high-frequency electric knife for endoscope injection according to claim 4, characterized in that: the sheath (15), the partition plate (18), the pulley seat (19), the traction rope (20) and the compression spring (21) are all made of insulating and non-conducting materials.

6. The novel high-frequency electric knife for endoscope injection according to claim 5, characterized in that: the electric knife (17) is connected in a rotating mode through a sliding sleeve (2) pulling traction rope (20), and the tail end of the electric knife (17) is elastically arranged with the partition plate (18) through a compression spring (21).