CN211381740U

CN211381740U - Novel bipolar ablation electrode

Info

Publication number: CN211381740U
Application number: CN201922212233.9U
Authority: CN
Inventors: 黄崇虎
Original assignee: Wuhan Mailang Medical Technology Co ltd
Current assignee: Wuhan Mailang Medical Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-01
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a novel bipolar electrode that melts, including electrode tip, electrode rod, handle components, drip pipe subassembly and cable assembly, its characterized in that, the stalk portion and the built-in jack connection of handle components front end of electrode rod, the built-in jack of handle components tail end with have buckle bayonet cable assembly to be connected, be hollow tube structure in the electrode rod, be equipped with sealing washer (6) and drip pipe between electrode rod and the handle components, and sealing washer and capillary (4) of the built-in drip pipe one end of handle components are connected, capillary (4) other end is drawn forth parallelly connected silicone tube (12) and is connected and form built-in drip pipe way with the drip pipe subassembly. The utility model discloses structural innovation, reasonable in design, safe in utilization, operation are convenient, can modularization batch production, save the cost, the production process environmental protection. The bipolar ablation electrode is suitable for medical equipment manufacturing enterprises to provide safe, reliable and convenient hemostasis novel bipolar ablation electrodes for surgical operations in batches.

Description

Novel bipolar ablation electrode

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a novel bipolar electrode that melts.

Background

Bipolar coagulation is a highly effective and reliable way of stopping bleeding and is widely used in various surgical procedures. The bipolar ablation electrode has the basic principle that the forceps sheet is kneaded, the tip of the forceps sheet is used for clamping a blood vessel or tissue, high-frequency current passes through the local blood vessel or tissue clamped by the tip of the forceps sheet, the heat effect of the high-frequency current is utilized to dehydrate and shrink the blood vessel wall, blood in the blood vessel is coagulated, and the blood vessel and a blood coagulation block are fused into a whole, so that the aim of hemostasis is achieved. The electrode tips are prevented from being adhered to tissues, and some bipolar ablation electrodes are provided with water dripping pipes on the forceps sheets to cool the electrode heads so as to achieve the purpose of preventing the electrode tips from being adhered to the tissues.

The structure and the process of the bipolar ablation electrode which is commonly used at present comprise: firstly, processing a metal material into a tweezer sheet blank by stamping or other processing modes; processing a dripping pipe groove on the blank by using a carving machine; thirdly, chamfering and deburring the grooved blank manually, and then manually polishing the tip of the tweezers sheet or manually polishing the tweezers sheet after mould pressing; fourthly, the treated tweezers sheet is fixedly embedded with a stainless steel tube by manual riveting or welding in the groove, and then gap treatment is carried out to obtain a smooth plane; fifthly, manually wrapping the tip and the tail of the treated tweezer sheet for shielding treatment; sixthly, spraying the treated tweezer sheet by using powder electrostatic spraying equipment; seventhly, placing the treated tweezer sheet into an oven for baking to melt, level and solidify the powder, taking out and cooling to obtain a voltage-resistant insulating layer; welding the treated left and right tweezers sheets on a cable respectively, penetrating through the fixed seat, and adhering and fixing the tweezers sheets by using close fit or pouring sealant with the fixed seat; and ninthly, finally connecting an external drop pipe. If the dripping pipeline does not need to be installed, the steps of (II), (IV) and (III) can be omitted; the above structure and production process have the following disadvantages: firstly, in the slotting process of the tweezer sheet blank, the rod part of the tweezer sheet blank is small in size and easy to deform, so that the requirements on the depth and width precision of slotting are difficult to control; secondly, the tweezers sheets and the electrode heads of the tweezers sheets need to be manually polished or polished, the tweezers sheets are influenced by more factors caused by manual operation, the consistency is difficult to ensure, the edge treatment of the tweezers sheet blank has great influence on the electrostatic powder spraying forming, the voltage breakdown of the part is easy to cause, great risk is brought to an operating doctor, and the defect is particularly prominent; embedding and fixing the stainless steel pipe manually, welding or riveting after embedding, and then performing gap filling and polishing treatment, so that the efficiency is extremely low, and defective products are easy to occur; fourthly, manual wrapping shielding treatment is required to be carried out on the parts which do not need to be sprayed, the influence factors caused by manual operation are more, and the consistency is difficult to ensure; in the electrostatic powder spraying process, the thickness and uniformity of the insulating powder are very poor due to the influence of manual operation, the voltage resistance safety cannot be well ensured, and powder dust is not beneficial to environmental protection and personnel health; and sixthly, the connection of the cable and the tweezers sheet is carried out after most of work is finished, and some parts cannot be independently produced in batch because glue is filled and fixed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a novel bipolar ablation electrode.

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

the utility model provides a novel bipolar electrode that melts, includes electrode tip, electrode pole, handle components, drip pipe subassembly and cable assembly, its characterized in that, the stalk portion and the built-in jack connection of handle components front end of electrode pole, the built-in jack of handle components tail end with have bayonet cable assembly of buckle to be connected, be hollow tube structure in the electrode pole, be equipped with sealing washer and drip pipe between electrode pole and the handle components, and the capillary connection of sealing washer and the built-in drip pipe one end of handle components, the capillary other end is drawn forth parallelly connected silicone tube and is connected and form built-in drip pipe way with the drip pipe subassembly.

Furthermore, the front section of the electrode tip is provided with a small hole which is connected with an electrode rod of a hollow tube structure, a sealing ring is arranged in a hollow tube at the tail part of the electrode rod of the hollow tube structure, and the external insulation part of the electrode rod is wrapped by an insulation heat-shrinkable tube.

Further, handle components built-in pipeline that drips with electrode pole male, handle components including copper mouth shell fragment, handle conducting strip, handle fixing base, fixing base gland, parallelly connected silicone tube, handle enclosing cover and handle inner cup constitute, handle enclosing cover and handle inner cup adopt welding or the integrated into one piece that moulds plastics with built-in handle conducting strip, copper mouth shell fragment, capillary parcel is for the handle that has the jack, parallelly connected silicone tube forms liquid conveying pipeline with the built-in capillary connection of handle and draws forth, handle fixing base, fixing base gland adopt welding or the integrated into one piece that moulds plastics to wrap up the handle and fix as handle components wholly.

Further, the cable conductor assembly include electrically conductive seat contact shell fragment, be provided with the electrically conductive seat of buckle, cable conductor and power input plug, electrically conductive seat contact shell fragment be connected with the cable conductor terminal, the electrically conductive seat that is provided with the buckle adopts the integrated into one piece structure of moulding plastics, and the other end adopts the integrated into one piece's of moulding plastics power input plug.

Further, the drip pipe subassembly by the drip pipe, drip tee bend, drip union coupling and constitute, drip pipe one end is connected with the drip union coupling seat, the other end is connected with the drip tee bend, and the drip tee bend is connected to on the parallelly connected silicone tube again.

Furthermore, the diameter of the handle part of the electrode rod is 2-5 mm.

The utility model has the advantages that: the utility model discloses structural innovation, reasonable in design, safe in utilization, operation are convenient, can modularization batch production, save the cost, the production process environmental protection. The bipolar ablation electrode is suitable for medical equipment manufacturing enterprises to provide safe, reliable and convenient hemostasis novel bipolar ablation electrodes for surgical operations in batches. And simultaneously, the utility model discloses compare traditional bipolar electrode that melts, electrode rod plug design advantage lies in can in time changing the electrode rod according to the depth at operation position, the blood coagulation tissue needs the electrode tip shape different, makes operation efficiency higher, avoids changing whole product, reduces medical cost. The electrode rod and the circular part of the electrode tip are wrapped by a voltage-resistant insulating heat-shrinkable tube, the metal sheet, the water dropping tube and the circular tubular elastic sheet are arranged in the handle, and the upper and lower plastic shells formed by the die are wrapped by ultrasonic welding or are integrally formed by an injection molding machine. Compared with the traditional polishing and spraying production process of the bipolar ablation electrode, the insulation voltage resistance index is stable and consistent, the product performance is safer, and the production is more environment-friendly. Simultaneously the utility model discloses fall into four standardized subassemblies with bipolar ablation electrode, eliminate most manual operation's step, reduce the risk that the human factor caused the product quality problem by a wide margin, improved production efficiency and reduction product cost.

Drawings

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

fig. 2 is a top view of the structure of the present invention;

FIG. 3 is an enlarged view of the handle holder of FIG. 1;

fig. 4 is a schematic structural view of an electrode assembly of the present invention;

fig. 5 is a cross-sectional view of an electrode assembly of the present invention;

FIG. 6 is a schematic view of the handle assembly of the present invention;

FIG. 7 is a top view of the handle assembly of the present invention;

FIG. 8 is a cross-sectional view of the handle assembly of the present invention;

fig. 9 is a schematic structural view of a cable assembly according to the present invention;

fig. 10 is a schematic structural view of the drip tube assembly of the present invention;

in the figure, 1-an electrode tip, 2-an electrode rod, 3-an insulating heat-shrinkable tube, 4-a capillary tube, 5-a copper nozzle elastic sheet, 6-a sealing ring, 7-a handle conducting sheet, 8-a handle fixing seat, 9-a conducting seat contact elastic sheet, 10-a conducting seat, 11-a fixing seat pressing cover, 12-a parallel silicone tube, 13-a water dropping tee joint, 14-a water dropping tube, 15-a water dropping connecting seat, 16-a cable, 17-a power input plug, 18-a handle outer cover and 19-a handle inner cover.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The present invention will be further explained with reference to the accompanying drawings 1-10:

the utility model provides a novel bipolar electrode that melts, includes electrode tip 1, electrode rod 2, handle components, drip subassembly and cable assembly, its characterized in that, the stalk portion and the built-in jack connection of handle components front end of electrode rod 2, the built-in jack of handle components tail end with have bayonet cable assembly of buckle to be connected, 2 stalk portion diameters of electrode rod are 2-5mm, simultaneously, the length of electrode rod 2 can be with freely assembling into different length according to the operation demand. The built-in hollow tube structure that is of electrode pole 2 is equipped with sealing washer 6 and drip pipe 14 between electrode pole 2 and the handle components, and sealing washer 6 is connected with capillary 4 of the built-in drip pipe 14 one end of handle components, and parallelly connected silicone tube 12 is drawn forth to the capillary 4 other end and is connected and form built-in drip pipe with the drip pipe subassembly. The electrode head 1 anterior segment have the aperture to be connected with the electrode rod 2 of hollow tube structure, set up sealing washer 6 in the hollow tube of 2 afterbody on the electrode rod of hollow tube structure, the outside insulating position of electrode rod adopts insulating pyrocondensation pipe 3 parcel. The built-in pipeline that drips with electrode pole 2 male of handle components, handle components including copper mouth shell fragment 5, handle conducting strip 7, handle fixing base 8, fixing base gland 11, parallelly connected silicone tube 12, handle enclosing cover 18 and handle inner cup 19 are constituteed, handle enclosing cover 18 and handle inner cup 19 adopt welding or mould plastics integrated into one piece with built-in handle conducting strip 7, copper mouth shell fragment 5, the handle of capillary 4 parcel for having the jack, and simultaneously, parallelly connected silicone tube 12 is connected with the built-in capillary 4 of handle and is formed liquid conveying pipeline and draw forth, handle fixing base 8, fixing base gland 11 adopts welding or moulds plastics integrated into one piece with the handle parcel fixed as handle components whole.

The cable conductor assembly comprises a conductive seat contact elastic sheet 9, a conductive seat 10 provided with a buckle, a cable conductor 16 and a power input plug 17, wherein the conductive seat contact elastic sheet 9 is connected with a terminal of the cable conductor 16, the conductive seat 10 provided with the buckle is of an injection molding integrated structure, and the other end of the conductive seat 10 is of the power input plug 17 which is injection molded integrally.

The water dripping pipe assembly is formed by connecting a water dripping pipe 14, a water dripping tee joint 13 and a water dripping pipe connecting seat 15, one end of the water dripping pipe 14 is connected with the water dripping pipe connecting seat 15, the other end of the water dripping pipe is connected with the water dripping tee joint 13, and the water dripping tee joint 13 is connected to the parallelly-connected silicone tube 12.

The assembly principle of the present invention will be further explained in detail with reference to the accompanying drawings:

as shown in fig. 1-3, the present invention is composed of four relatively independent standardized components; the electrode assembly is composed of an electrode head 1, an electrode rod 2 or an electrode rod 2 integrally formed with the electrode head and the electrode rod, an insulating heat-shrinkable tube 3 and a sealing ring 6; the handle assembly consists of a capillary tube 4, a copper nozzle elastic sheet 5, a handle conducting sheet 7, a handle fixing seat 8, a fixing seat gland 11, a parallel silicone tube 12, a handle outer cover 18 and a handle inner cover 19; the cable assembly consists of a conductive seat contact spring sheet 9, a conductive seat 10, a cable 16 and a power input plug 17; the drip pipe assembly consists of a drip tee 13, a drip pipe 14 and a drip connecting seat 15. The electrode assembly is adjusted to be inserted into the corresponding insertion hole at the front end of the handle assembly along the exposed capillary 4 on the handle assembly, and the electrode rod 2 is clamped and fixed through the copper nozzle elastic sheet 5. And then the conducting seat 10 on the cable wire component is partially inserted into the insertion hole of the handle fixing seat 8 at the tail part of the handle component, and finally the parallel silicone tube 12 led out from the tail part of the handle component is connected with the water dripping tee 13 on the water dripping tube component to form the bipolar ablation electrode with the built-in water dripping pipeline. The assembled and molded bipolar ablation electrode is connected with a bipolar output interface of the high-frequency operation equipment through a power input plug 17 on the cable assembly to obtain output, and the clamping and closing action of the bipolar ablation electrode is realized through a kneading handle. After the hand is released, the bipolar ablation electrode is opened through the elasticity of the handle. This enables the bipolar ablation electrode to close and open. The electrode head cooling effect is realized by connecting the water dropping connecting seat with an external water dropping device.

As shown in fig. 4-5, the electrode tip 1 and the electrode rod 2 are connected or integrally formed, the front section of the electrode tip 1 has a small hole to connect with the electrode rod 2 with a hollow tube structure, a sealing ring 6 is arranged in the hollow tube at the tail part of the electrode rod 2 with the hollow tube structure, and the external insulation part of the electrode rod 2 is wrapped by an insulation heat shrink tube 3 to form an electrode assembly with a water dripping function. Besides the electrode assembly with the small-hole electrode tip 1 and the electrode rod (2) with the hollow tube structure, the electrode assembly can also adopt the solid electrode tip 1 and the solid electrode rod 2 or the electrode rod 2 formed by the solid electrode tip 1 and the solid electrode rod 2 integrally, and the external insulation part of the electrode rod is wrapped by the insulation heat-shrinkable tube 3.

As shown in fig. 6-8, the handle outer cover 18 and the handle inner cover 19 are integrally formed by welding or injection molding, and the built-in handle conductive sheet 7, the copper nozzle elastic sheet 5 and the capillary tube 4 are wrapped into a handle with a jack. Then, the exposed parts of the handle conducting strips 7 of the left and right handles which form the whole are symmetrically inserted into the mounting grooves of the handle fixing seat 8, one ends of the parallel silicone tubes 12 are respectively sleeved and inserted outside the left and right built-in exposed capillaries 4 to be connected and establish a water dripping device, then the fixing seat pressing cover 11 and the handle fixing seat 8 are integrally formed by welding or injection molding to wrap and fix the tail parts of the handles which are oppositely arranged into a whole, and insulation protection is established through the whole plastic shell to form a handle assembly with a water dripping function. The handle assembly can adopt a device without the function of dripping besides the device with the function of dripping, and consists of a handle conducting strip 7, a copper nozzle elastic sheet 5, a handle outer cover 18, a handle inner cover 19, a handle fixing seat 8 and a fixing seat gland 11.

As shown in fig. 9, the terminal at one end of the cable 16 is connected to the contact spring 9 of the conductive seat, and is fixed by the conductive seat 10 with a buckle or integrally formed by injection molding, and the other end is a power input plug (17) integrally formed by injection molding to form a cable assembly.

As shown in fig. 10, a drip tee 13 and a drip connection holder 15 are connected to both ends of the drip pipe 14 in sequence to form a drip pipe assembly.

And simultaneously, the utility model discloses except that take the drip pipeline, can also adopt the subassembly that does not take the drip pipeline device to form and do not take the bipolar electrode that melts of drip pipeline, assemble respectively and do not take the electrode subassembly of the functional device that drips, do not take the handle components, the cable conductor assembly of the functional device that drips, adjust the electrode subassembly that sets up relatively in the direction inserts corresponding handle components jack again in proper order, carry out the centre gripping through copper mouth shell fragment 5 to electrode pole 2 and fix. And then the conductive seat 10 part on the cable wire component is inserted into the jack of the handle fixing seat 8 at the tail part of the handle component to form the cable wire component without a water dripping pipeline.

The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, for example, the handle thereof except for the gun shape can also be straight, any skilled person familiar with the technical field is in the technical scope disclosed by the present invention, according to the technical scheme of the present invention and the utility model concept of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel bipolar electrode that melts, includes electrode tip, electrode pole, handle components, drip pipe subassembly and cable assembly, its characterized in that, the stalk portion and the built-in jack connection of handle components front end of electrode pole, the built-in jack of handle components tail end with have bayonet cable assembly of buckle to be connected, be hollow tube structure in the electrode pole, be equipped with sealing washer and drip pipe between electrode pole and the handle components, and the capillary connection of sealing washer and the built-in drip pipe one end of handle components, the capillary other end is drawn forth parallelly connected silicone tube and is connected and form built-in drip pipe way with the drip pipe subassembly.

2. The novel bipolar ablation electrode according to claim 1, wherein the front section of the electrode head is provided with a small hole connected with the electrode rod of the hollow tube structure, a sealing ring is arranged in the hollow tube at the tail part of the electrode rod of the hollow tube structure, and the external insulation part of the electrode rod is wrapped by an insulation heat shrinkage tube.

3. The novel bipolar ablation electrode according to claim 1, wherein the handle assembly is internally provided with a water dripping pipeline for inserting the electrode rod, the handle assembly comprises a copper nozzle elastic sheet, a handle conducting sheet, a handle fixing seat, a fixing seat pressing cover, a parallel silicone tube, a handle outer cover and a handle inner cover, the handle outer cover and the handle inner cover are integrally formed by welding or injection molding to enable the built-in handle conducting sheet and the copper nozzle elastic sheet to be wrapped by capillary tubes, the parallel silicone tube is connected with the capillary tubes built in the handle to form a liquid conveying pipeline to be led out, and the handle fixing seat and the fixing seat pressing cover are integrally formed by welding or injection molding to wrap the handle and fix the handle to be the handle assembly.

4. The novel bipolar ablation electrode according to claim 1, wherein the cable assembly comprises a conductive seat contact spring, a conductive seat provided with a buckle, a cable and a power input plug, the conductive seat contact spring is connected with a cable terminal, the conductive seat provided with the buckle is of an injection-molded integrated structure, and the other end of the conductive seat is of the injection-molded integrated power input plug.

5. The novel bipolar ablation electrode of claim 1, wherein the drip tube assembly is comprised of a drip tube, a drip tee, and a drip tube connecting base, wherein the drip tube connecting base is connected to one end of the drip tube, the drip tee is connected to the other end of the drip tube, and the drip tee is further connected to the silicone tubes connected in parallel.

6. The novel bipolar ablation electrode of claim 1 wherein the electrode shaft shank diameter is 2-5 mm.