CN218500799U

CN218500799U - Radio frequency plasma operation electrode cutter head

Info

Publication number: CN218500799U
Application number: CN202221053448.6U
Authority: CN
Inventors: 袁海伦; 鲁浩翔; 陆信; 黄玉发
Original assignee: Anhui Beikebang Biotechnology Co ltd
Current assignee: Anhui Beikebang Biotechnology Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2023-02-21
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a radio frequency plasma operation electrode tool bit, which comprises a tool bar, a handle, a drip tube, a cable plug and a suction tube, wherein the tool bar is connected with the front end of the handle, and the drip tube, the cable plug and the suction tube are connected with the tail end of the handle; this device is through to attract the hole to run through, in introducing the attraction hole that runs through a wire electrode, make positive electrode slice one end sheltered from by great area, during temporarily unable suction, the back can continue the suction, the downthehole wire electrode of attraction can cut simultaneously, the fragmentation tissue, and then improve the efficiency of attraction and enlarge the attraction scope, through seting up the instillation tube hole at the ceramic tip terminal surface, the instillation tube hole directly links to each other with the instillation pipe, medium such as normal saline can direct fast and stable, the parcel electrode slice, and then produce plasma, can solve among the prior art, the biological tissue attracts slowly after the cutting, easy jam, the electrode slice contacts slowly with normal saline, unstable problem.

Description

Radio frequency plasma operation electrode cutter head

Technical Field

The utility model relates to a medical appliance, in particular to a radio frequency plasma operation electrode cutter head.

Background

The radio frequency plasma operation system is a new generation of low temperature plasma operation system, can be used for soft tissue dissection, excision, ablation, hemostasis and drying of surgical operations, and can be matched with an endoscope system to carry out intracavity operations or be matched with an image system to carry out interventional therapy.

The low-temperature plasma surgical system excites electrolyte (physiological saline) to form a plasma thin layer with the thickness of 100-200 mu m around an electrode plate through a radio-frequency electric field of 100kHz, the plasma thin layer is formed by a large number of charged particles, and generates enough energy (electron volt-Tet) to open molecular bonds forming target tissue cells at a lower temperature so that tissues are rapidly decomposed into molecules and atoms with low molecular weight, thereby forming high-efficiency tissue ablation, cutting and blood coagulation effects at the lower temperature; the low-temperature plasma operation has the advantages of simple and convenient operation method, low operation temperature, small operation wound, quick postoperative recovery, high cure rate and the like, and has prominent expression in minimally invasive surgery.

When the existing radio frequency plasma operation electrode is used, the suction holes of the ceramic head are easy to block, the suction flow is not large enough, and the physiological saline can not be in good contact with the electrode slice to generate plasma.

Chinese patent document CN201320748757 plasma scalpel solves the problem of complicated operation caused by large-scale equipment, simplifies the structure, and makes the operation more simple and convenient while easily discharging waste tissues and liquids in the operation process. However, the electrode tip and the suction hole are clogged with the biological tissue after the electrode tip is operated for a long time. In the face of complications in joint surgery, this does not allow rapid attraction of the cut biological tissue; the normal saline dripped in the otolaryngological operation can not rapidly and stably contact with the electrode slice to generate plasma.

In view of the defects of the prior art, the application aims to provide the radio frequency plasma surgical electrode cutter head, which can solve the problems that in the prior art, after cutting, biological tissues are slowly attracted and easily blocked, and electrode plates are slowly contacted with normal saline and are unstable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radio frequency plasma electrode tool bit for operation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the radio frequency plasma operation electrode cutter head comprises a cutter bar, a handle, a drip tube, a cable plug and a suction tube, wherein the cutter bar is connected to the front end of the handle, and the drip tube, the cable plug and the suction tube are connected to the tail end of the handle; the cable plug is connected with the body and used for enabling the cutter body to generate a plasma thin layer, the drip tube is connected with the normal saline supply device and used for guiding in normal saline in the operation process, and the suction tube is connected with the negative pressure suction device and used for sucking the cut fragmented tissues in the operation process.

Referring to the figure-, the cutter bar comprises an end cap, a ceramic head, an electrode plate, an insulating layer, a metal tube, an insulating protective layer, a drip infusion inner tube, an attraction inner tube, a wire electrode insulating protective tube and a wire electrode, wherein the insulating layer is positioned on the outermost layer and sleeved outside the metal tube, the insulating protective layer is positioned on the inner side of the metal tube and is attached to the metal tube, the attraction inner tube, the drip infusion inner tube and the wire electrode insulating protective tube are positioned on the inner side of the insulating protective layer, the wire electrode is positioned in the wire electrode insulating protective tube, the end cap is fixed at the front end of the metal tube, the ceramic head is positioned at the front end of the metal tube and is inserted into the end cap, the electrode plate is arranged at the top of the ceramic head, the attraction inner tube, the drip infusion inner tube and the wire electrode insulating protective tube all extend into the ceramic head, the wire electrode plate is in contact with the electrode plate and is electrically connected with the attraction inner tube and the drip infusion inner tube front end is positioned on the electrode plate.

Specifically, the front part of the end cap is provided with a through end cap hole, the tail part of the end cap is provided with an open port for butting the inside of the metal tube, the ceramic head main body is cylindrical, and the ceramic head is provided with a ceramic mounting hole, a suction hole, a drip water outlet, a drip water tube hole, a suction tube hole, a drip water tank and an electrode wire mounting groove; the ceramic mounting hole and the drip water tank are positioned on the end face of the ceramic head, the drip pipe hole and the suction pipe hole are positioned on one side of the ceramic head facing the metal pipe, the suction hole penetrates through the upper end and the lower end of the ceramic head and is formed, the drip water outlet is positioned on the upper part of one side of the ceramic head facing the metal pipe, the electrode wire mounting groove is positioned on the bottom surface of the ceramic head, the suction pipe hole is in butt joint communication with the suction hole, and the drip pipe hole is in butt joint communication with the drip water tank; the electrode plate is provided with an electrode plate mounting hole, the bottom of the electrode plate is provided with an electrode plate bent pin which is inserted into the drip water tank, and the electrode plate is also provided with an open hole corresponding to the suction hole and the drip water tank; the ceramic mounting holes and the electrode plate mounting holes are arranged in a one-to-one correspondence mode.

Compared with the prior art, the beneficial effects of the utility model are that: this device is through to attract the hole to run through, in introducing the attraction hole that runs through a wire electrode, make positive electrode slice one end sheltered from by great area, during temporarily unable suction, the back can continue the suction, the downthehole wire electrode of attraction can cut simultaneously, the fragmentation tissue, and then improve the efficiency of attraction and enlarge the attraction scope, through seting up the instillation tube hole at the ceramic tip terminal surface, the instillation tube hole directly links to each other with the instillation pipe, medium such as normal saline can direct fast and stable, the parcel electrode slice, and then produce plasma, can solve among the prior art, the biological tissue attracts slowly after the cutting, easy jam, the electrode slice contacts slowly with normal saline, unstable problem.

Drawings

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is an exploded view of a point a in fig. 1.

Fig. 3 is a cross-sectional view taken at a in fig. 1.

Fig. 4 is an enlarged view of the middle cap of the present invention.

Fig. 5 is an enlarged view of the ceramic head according to the present invention.

Fig. 6 is a bottom view angle diagram of the ceramic head of the present invention.

Fig. 7 is an enlarged view of the middle electrode plate of the present invention.

In the figure, 1-knife bar, 2-handle, 3-drip tube, 4-cable plug, 5-suction tube, 6-end cap, 7-ceramic head, 8-electrode piece, 9-insulating layer, 10-metal tube, 11-insulating protective layer, 12-drip inner tube, 13-suction inner tube, 14-wire electrode insulating protective tube, 15-wire electrode, 61-end cap hole, 62-port, 71-ceramic mounting hole, 72-suction hole, 73-drip water outlet, 74-drip tube hole, 75-suction tube hole, 76-drip water tank, 77-wire electrode mounting groove, 81-electrode piece mounting hole and 82-electrode piece bent foot.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, in the embodiment of the present invention, a radio frequency plasma surgical electrode knife head includes a knife bar 1, a handle 2, a drip tube 3, a cable plug 4 and a suction tube 5, wherein the knife bar 1 is connected to the front end of the handle 2, and the drip tube 3, the cable plug 4 and the suction tube 5 are connected to the tail end of the handle 2; when in operation, the handle 2 is held, the cutter body is installed through the cutter bar 1 for operation, the cable plug 4 is connected with the machine body and is used for enabling the cutter body to generate a plasma thin layer, the drip tube 3 is connected with a normal saline supply device and is used for guiding in normal saline in the operation process, and the suction tube 5 is connected with a negative pressure suction device and is used for sucking the cut and crushed tissues in the operation process.

Referring to fig. 2-7, the cutter bar 1 includes an end cap 6, a ceramic head 7, an electrode plate 8, an insulating layer 9, a metal tube 10, an insulating protective layer 11, a drip-feed inner tube 12, an aspiration inner tube 13, a wire electrode insulating protective tube 14 and a wire electrode 15, the insulating layer 9 is located on the outermost layer and is sleeved outside the metal tube 10, the insulating protective layer 11 is located on the inner side of the metal tube 10 and is attached to the metal tube 10, the aspiration inner tube 13, the drip-feed inner tube 12 and the wire electrode insulating protective tube 14 are located on the inner side of the insulating protective layer 11, the wire electrode 15 is located in the wire electrode insulating protective tube 14, the end cap 6 is fixed at the front end of the metal tube 10, the ceramic head 7 is located at the front end of the metal tube 10 and is inserted into the end cap 6, the electrode plate 8 is arranged at the top of the ceramic head 7, the aspiration inner tube 13, the drip-feed inner tube 12 and the wire electrode insulating protective tube 14 are all inserted into the ceramic head 7, the wire electrode plate 15 is in contact with and electrically connected to the electrode plate 8, and the front ends of the aspiration inner tube 13 and the inner tube 12 are located on the electrode plate 8.

Specifically, the front part of the end cap 6 is provided with a through end cap hole 61, the tail part of the end cap 6 is provided with an open port 62 for butting the inside of the metal tube 10, the ceramic head 7 is cylindrical, and the ceramic head 7 is provided with a ceramic mounting hole 71, a suction hole 72, a drip water outlet 73, a drip water pipe hole 74, a suction pipe hole 75, a drip water tank 76 and a wire electrode mounting groove 77; the ceramic mounting hole 71 and the drip water tank 76 are positioned on the end face of the ceramic head 7, the drip water pipe hole 74 and the suction pipe hole 75 are positioned on one side of the ceramic head 7 facing the metal pipe 10, the suction hole 72 penetrates through the upper end and the lower end of the ceramic head 7 to be opened, the drip water outlet 73 is positioned on the upper part of one side of the ceramic head 7 facing the metal pipe 10, the electrode wire mounting groove 77 is positioned on the bottom face of the ceramic head 7, the suction pipe hole 75 is in butt joint communication with the suction hole 72, and the drip water pipe hole 74 is in butt joint communication with the drip water tank 76; the electrode plate 8 is provided with an electrode plate mounting hole 81, the bottom of the electrode plate 8 is provided with an electrode plate bending foot 82 which is inserted into the drip water tank 76, and the electrode plate 8 is also provided with an open hole corresponding to the suction hole 72 and the drip water tank 76.

The ceramic mounting holes 71 and the electrode plate mounting holes 81 are multiple and are arranged in a one-to-one correspondence manner.

The ceramic mounting hole 71 is used for penetrating the electrode wire 15, the suction hole 72 is convenient for sucking, cutting and fragmenting tissues, the instillation tube hole 74 is used for assembling the instillation inner tube 12, the instillation water outlet 73 is convenient for leading out the physiological saline and wrapping the electrode wire 15 along the ceramic surface, the instillation water tank 76 is used for storing the physiological saline, and the electrode wire mounting groove 77 is convenient for embedding the electrode wire 15 therein; the electrode plate 8 is provided with an electrode wire 15 mounting hole, and the electrode plate bent leg 82 can prevent the drip water tank 76 from being blocked.

Firstly, the ceramic head 7 is assembled in the end cap hole 61 of the end cap 6, then the electrode wire 15 penetrates out through the electrode plate mounting hole 81 and then penetrates into the ceramic mounting hole 71 of the ceramic head 7, the electrode wire 15 is bent and arranged in the electrode wire mounting groove 77 of the ceramic head 7, then one end of the instillation inner tube 12 is connected with the instillation tube hole 74, then the other end of the instillation inner tube is connected with the instillation tube 3, one end of the aspirating inner tube 13 is connected with the aspirating tube hole 75, then the other end of the aspirating inner tube is connected with the aspirating tube 5, finally, one end of the metal tube 10 is connected with the port 62 of the end cap 6, the metal tube 10 is wrapped with the insulating layer 9, meanwhile, the other end of the metal tube 10 positioned inside the handle 2 is connected with one wire core of the cable plug 4, and the electrode wire 15 is connected with the other wire core of the cable plug 4.

This device is through to attract hole 72 to run through, in the attraction hole 72 that runs through is introduced with a wire electrode 15, make 8 one end of positive electrode slice sheltered from by great area, when temporarily unable suction, the back can continue the suction, attract the wire electrode 15 in the hole 72 simultaneously and can cut, the fragmentation tissue, and then improve the efficiency of attraction and enlarge the attraction scope, through seting up instillation tube hole 74 at ceramic head 7 terminal surface, instillation tube hole 74 directly links to each other with instillation pipe 3, medium such as normal saline can be direct fast stable, parcel electrode slice 8, and then produce plasma, can solve among the prior art, the biological tissue attracts slowly after the cutting, easy jam, electrode slice 8 contacts slowly with normal saline, the unstable problem.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The radio frequency plasma operation electrode cutter head comprises a cutter bar (1), a handle (2), a drip tube (3), a cable plug (4) and a suction tube (5), wherein the cutter bar (1) is connected to the front end of the handle (2), and the drip tube (3), the cable plug (4) and the suction tube (5) are connected to the tail end of the handle (2); the cable plug (4) is connected with the machine body and used for enabling the cutter body to generate a plasma thin layer, the drip tube (3) is connected with a normal saline supply device and used for guiding in normal saline in the operation process, and the suction tube (5) is connected with a negative pressure suction device and used for sucking the cut fragmented tissues in the operation process; it is characterized in that the preparation method is characterized in that,

the cutter bar (1) comprises an end cap (6), a ceramic head (7), an electrode plate (8), an insulating layer (9), a metal tube (10), an insulating protective layer (11), a dripping inner tube (12), an attraction inner tube (13), an electrode wire insulating protective tube (14) and an electrode wire (15), wherein the insulating layer (9) is positioned on the outermost layer and sleeved outside the metal tube (10), the insulating protective layer (11) is positioned on the inner side of the metal tube (10) and is attached to the metal tube (10), the attraction inner tube (13), the dripping inner tube (12) and the electrode wire insulating protective tube (14) are positioned on the inner side of the insulating protective layer (11), the electrode wire (15) is positioned in the electrode wire insulating protective tube (14), the end cap (6) is fixed at the front end of the metal tube (10), the ceramic head (7) is positioned at the front end of the metal tube (10) and is arranged in the end cap (6), the top of the ceramic head (7) is provided with the electrode plate (8), the attraction inner tube (13), the inner tube (12), the electrode wire (12) and the electrode wire insulating protective tube (8) are contacted with the electrode plate (8) and are electrically connected with the electrode plate (13);

the front part of the end cap (6) is provided with a through end cap hole (61), the tail part of the end cap (6) is provided with an open port (62) for butting the inside of the metal pipe (10), the main body of the ceramic head (7) is cylindrical, and the ceramic head (7) is provided with a ceramic mounting hole (71), a suction hole (72), a drip water outlet (73), a drip water hole (74), a suction pipe hole (75), a drip water tank (76) and an electrode wire mounting groove (77); ceramic mounting hole (71) and drip irrigation tank (76) are located ceramic head (7) terminal surface, and drip irrigation tube hole (74) and suction tube hole (75) are located ceramic head (7) towards one side of tubular metal resonator (10), and suction hole (72) run through ceramic head (7) both ends from top to bottom and set up, and drip irrigation water export (73) are located ceramic head (7) towards the upper portion of tubular metal resonator (10) one side, and wire electrode mounting groove (77) are located ceramic head (7) bottom surface, suction tube hole (75) and suction hole (72) butt joint intercommunication, drip irrigation tube hole (74) and drip irrigation tank (76) butt joint intercommunication.

2. The radio frequency plasma surgical electrode head according to claim 1, wherein the electrode sheet (8) is provided with an electrode sheet mounting hole (81), the bottom of the electrode sheet (8) is provided with an electrode sheet bent foot (82) inserted into the drip water tank (76), and the electrode sheet (8) is further provided with an open hole corresponding to the suction hole (72) and the drip water tank (76).

3. The radio frequency plasma surgical electrode head according to claim 2, wherein the ceramic mounting holes (71) and the electrode sheet mounting holes (81) are provided in plurality and in one-to-one correspondence.