CN115804639A - Electric coagulation forceps and processing method thereof - Google Patents

Abstract

The invention relates to the technical field of medical instruments, in particular to electric coagulation forceps and a processing method thereof. The electric coagulation forceps comprise: the bending forceps body is formed by bending a hollow tube or a solid rod and comprises a plurality of bending parts, and the bending parts are suitable for forming a handle part through injection molding and encapsulation; the first end of the forceps body of the bent tube is fixedly connected with the forceps tip to form an integral one-sided forceps body, and the peripheral wall of the outer side of the one-sided forceps body is insulated through heat shrinkage of the heat shrinkage tube. According to the electric coagulation forceps, the bending part forms the handle part through injection molding and encapsulation, structures such as the positioning hole and the anti-skid pattern do not need to be formed through punching, multiple punching processes are saved, size deviation of the positioning hole and assembly errors of the positioning pin and the positioning hole are avoided, overlapping of the forceps piece and assembly errors of the forceps piece to a hand piece is reduced, and quality control of products is facilitated; the peripheral wall of the outer side of the unilateral forceps body is insulated through heat shrinkage of the heat shrinkage pipe, so that the problem that the quality of a product is uncontrollable due to the fact that the thickness of the sprayed insulating resin is inconsistent every time is avoided.

Description

Electric coagulation forceps and processing method thereof

Technical Field

The invention relates to the technical field of medical instruments, in particular to electric coagulation forceps and a processing method thereof.

Background

Bipolar coagulation is applied to microsurgery and is used for discharging and coagulating blood in microvessels. The working principle is that the electric coagulation device is connected to an electric coagulation device host machine through a forceps wire, the sharp end of the forceps clamps a bleeding opening, the electric coagulation device releases current, a loop is formed between the two forceps points, high-frequency electric energy is provided for focus tissues, and blood vessels between the two ends of the bipolar forceps are dehydrated, denatured and solidified. Because the current only flows between the two forceps tips, the forceps can not burn other parts, and is very suitable for various microsurgery operations. Under the condition of existence of normal saline, blood and cerebrospinal fluid, the hemostatic effect can still be achieved.

The existing electric coagulation forceps are mainly formed by punching stainless steel or brass plate materials in order to ensure the heat conduction and the electric conductivity of a tip end and also meet the requirements of the support property and the elasticity of a holding end. As shown in fig. 1, the left forceps piece and the right forceps piece are usually made of stainless steel or brass plate-shaped materials by punching to form the forceps body 100, the forceps body 100 is made of an integrated single metal material, the thickness is thick, the forceps body is heavy, the materials are expensive, and due to the fact that the forceps body 100 is required to be provided with the positioning hole 101, the anti-slip pattern 102 and other structures, die stamping can be performed through multiple processes, and stamping processes and material costs are high. As shown in fig. 2, the forceps body 100 and the forceps tip are welded to form the forceps piece 200, the forceps piece 200 needs to be subjected to insulation treatment, before the insulation treatment, the acute angle of the peripheral edge of the forceps piece 200 needs to be polished, after polishing, the peripheral wall of the outer side of the forceps piece 200 is sprayed with the insulating resin 300, and the thickness of the insulating resin sprayed each time is inconsistent, so that the product quality is uncontrollable, and the production period is long.

Therefore, the existing electric coagulation forceps are complex in production and processing procedures and uncontrollable in quality, and the electric coagulation forceps which are simple in production and processing procedures and controllable in product quality are urgently needed.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defects of complex production and processing procedures and uncontrollable quality of the existing electric coagulation forceps in the prior art, thereby providing the electric coagulation forceps with simple production and processing procedures and controllable product quality and the processing method thereof.

In order to solve the technical problem, the electric coagulation forceps provided by the invention comprises:

the bending forceps body is formed by bending a hollow tube or a solid rod and comprises a plurality of bending parts, and the bending parts are suitable for forming a handle part through injection molding and encapsulation; the first end of the bent tube forceps body is fixedly connected with the forceps tip to form an integral single-side forceps body, and the peripheral wall of the outer side of the single-side forceps body is insulated through heat shrinkage of the heat shrinkage tube.

Optionally, the second end of the bent tube forceps body is fixedly connected with the electric wire, in the final assembly process, the left and right single-side forceps bodies and the electric wire are jointly molded and encapsulated to form a fixing seat, and the fixing seat is suitable for fixing the left and right single-side forceps bodies and the electric wire.

Optionally, the bent tube forceps body is made of stainless steel or brass, and the forceps tip is made of silver alloy and/or copper alloy.

Optionally, the forceps tip is close to the one end of return bend tweezers body is provided with connecting portion, connecting portion with the first end socket joint of return bend tweezers body is connected and is formed through laser welding or high frequency welding the unilateral tweezers body.

Optionally, one end of the forceps tip, which is far away from the bending forceps body, is provided with a working end, and a first heat-shrinkable insulating part is formed between the working end and the handle part through heat shrinkage of a heat-shrinkable tube.

Optionally, the second end of the bending forceps body is provided with a welding part, and the welding part is suitable for being welded and fixed with the electric wire.

Optionally, a second heat-shrinkable insulating portion is formed between the welding portion and the handle portion through heat shrinkage of a heat-shrinkable tube.

Optionally, one side of the handle portion in the thickness direction of the handle portion is recessed to form an anti-slip portion, the other side of the handle portion is protruded to form a positioning portion, and the positioning portion and the anti-slip portion are integrally formed with the handle portion in the injection molding and encapsulation process.

Optionally, after the welding part and the electric wire are welded and fixed, the welding part of the left and right single-side tweezers bodies and the electric wire are jointly molded and encapsulated to form the fixed seat.

The invention provides a processing method of electric coagulation forceps, which comprises the following steps:

s1, bending a hollow tube or a solid rod to form a bent tube forceps body;

s2, forming a forceps tip through stamping or cutting processing;

s3, socket-jointing the forceps body of the elbow with the forceps tip and forming a unilateral forceps body by laser welding or high-frequency welding;

s4, sleeving a heat-shrinkable tube on the one-side forceps body, and baking and heat-shrinking the one-side forceps body through the heat-shrinkable tube to form a first heat-shrinkable insulating part and a second heat-shrinkable insulating part;

s5, positioning and fixing the single-side forceps body, and forming a handle part by the bent part of the single-side forceps body through injection molding and encapsulation;

s6, positioning and fixing the left and right single-side forceps bodies and the electric wire, and forming a fixed seat by co-injection molding and encapsulation of welding parts of the left and right single-side forceps bodies and the electric wire.

The technical scheme of the invention has the following advantages:

1. according to the electric coagulation forceps provided by the invention, the bent tube forceps body is formed by bending the hollow tube or the solid rod, so that the weight of the forceps body is reduced, and the material cost is reduced; the bending part forms the handle part through injection molding and encapsulation, structures such as a positioning hole, an anti-skid line and the like are not required to be formed through punching, multiple punching processes are saved, the processing cost is reduced, the size deviation of the positioning hole and the assembly error of the positioning pin and the positioning hole are avoided, the superposition of the assembly error of the tweezers sheet and the assembling error of the tweezers sheet to the hand piece is reduced, and the quality control of a product is facilitated; the peripheral wall of the outer side of the unilateral forceps body is insulated through heat shrinkage of the heat shrinkage pipe, so that the problem that the quality of a product is uncontrollable due to the fact that the thickness of insulating resin sprayed at each time is inconsistent is avoided, and the quality is more controllable while the production efficiency is improved.

2. According to the electric coagulation forceps, the second end of the forceps body of the bent tube is welded with the electric wire, and in the process of final assembly, the left forceps body and the right forceps body and the electric wire are positioned and then are subjected to co-injection and encapsulation to form the fixed seat, so that the left forceps body and the right forceps body are fixed with the electric wire, error superposition caused by multi-component assembly is reduced, the assembly precision of the forceps pieces is favorably controlled, and the kneading alignment precision of the left forceps body and the right forceps body is further ensured.

3. According to the electric coagulation forceps, different materials are adopted for different application parts of the electric coagulation forceps according to the requirements of the service performance of the electric coagulation forceps, and the forceps tips are the working ends of products, so that the forceps tips are made of silver alloy and/or copper alloy materials with good electric conduction and good heat conduction, and the forceps tips are prevented from being adhered to human tissues while the good electric coagulation effect of the electric coagulation forceps is ensured; the tweezers body divide into two positions, to electrically conductive requirement, the metal return bend that low price and processing of being convenient for were adopted to return bend tweezers body, to holding of product end, the handle portion adopts the plastics material that low price and feel good, is in through moulding plastics the last formation of return bend tweezers body handle portion compares with the integrative flat metal tweezers piece before the improvement, greatly reduced the material cost of product.

4. According to the electric coagulation forceps provided by the invention, after the forceps tip and the bent forceps body are welded by laser or welded at high frequency to form the single-side forceps body, firstly, the working end and the bent portion are baked and shrunk by the heat shrink tube to form the first heat-shrinkable insulating portion, the welding portion and the bent portion are baked and shrunk by the heat shrink tube to form the second heat-shrinkable insulating portion, and then, the bent portion is subjected to injection molding and encapsulation to form the handle portion, so that the insulating treatment of the single-side forceps body is completed.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the overall structure of the forceps body of a left forceps sheet and a right forceps sheet which are formed by punching before improvement;

FIG. 2 is a schematic view of the overall structure of the left and right tweezers sheets before improvement after being sprayed with insulating resin;

FIG. 3 is a schematic diagram of the overall structure of the electric coagulation forceps of the present invention;

FIG. 4 is a schematic structural view of an electric coagulation forceps with an elbow tube body and a forceps tip before the forceps body and the forceps tip are fixedly connected;

FIG. 5 is a schematic view of the overall structure of the forceps tips of the electric coagulation forceps of the present invention;

FIG. 6 is a schematic view of the overall structure of a single-sided forceps body of the electrocoagulation forceps of the present invention;

FIG. 7 is a schematic structural view of the forceps body at one side of the electric coagulation forceps after being sleeved with a heat shrink tube;

FIG. 8 is a schematic structural view of the unilateral forceps body of the electric coagulation forceps after the heat shrink tube is baked and shrunk;

FIG. 9 is a schematic view of the overall structure of the forceps body on one side of the electric coagulation forceps after being injection-molded and encapsulated to form a handle part;

FIG. 10 is a schematic view of the whole structure of the electric coagulation forceps after hiding the first heat-shrinkable insulating part, the second heat-shrinkable insulating part and the fixing base.

Description of reference numerals:

10. a bent tube forceps body; 11. a bending part; 12. a handle portion; 121. an anti-slip portion; 122. a positioning part; 13. welding the part;

20. a forceps tip; 21. a connecting portion; 22. a working end;

30. a unilateral forceps body; 31. a first heat-shrinkable insulating portion; 32. a second heat-shrinkable insulating portion;

40. heat shrink tubing;

50. an electric wire;

60. a fixed seat.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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.

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 simplicity of description, but do not indicate or imply that the device or element being 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example one

Referring to fig. 3 to fig. 10, the electrocoagulation forceps provided by the embodiment includes:

the bending forceps body 10 is formed by bending a hollow tube or a solid rod, the bending forceps body 10 comprises a plurality of bending parts 11, and the bending parts 11 are suitable for forming a handle part 12 through injection molding and encapsulation; the first end of the bent tube forceps body 10 is fixedly connected with the forceps tip 20 to form an integral one-sided forceps body 30, and the peripheral wall of the outer side of the one-sided forceps body 30 is insulated in a heat shrinkage mode through a heat shrinkage tube 40.

It should be noted that, in order to ensure the heat conduction and the electrical conductivity of the tip and also consider the support and the elasticity requirements of the holding end, please refer to fig. 1, the left and right forceps pieces before improvement are usually made of stainless steel or brass plate type materials by punching and forming to form a forceps body 100 with a thickness of about 2mm, the forceps body 100 is an integrated single metal material, and not only is the thickness thickerThe tweezers body is heavy, the material is expensive, and due to the fact that the tweezers body 100 needs to be provided with the positioning holes 101, the anti-slip patterns 102 and other structures, die stamping can be conducted through a plurality of processes, and the stamping process and the material cost are high. Referring to fig. 4, in the electric coagulation forceps provided in this embodiment, the bent forceps body 10 is made of metal and has a diameter of 2.5mm _～ The 3mm hollow tube or solid rod is bent and formed by the tube bending machine through the tube bending machine, and the tube bending forceps body 10 is formed by the hollow tube or solid rod through bending machine; compared with the forceps body 100 formed by stamping before improvement, on one hand, the material consumption of the bent tube forceps body 10 is much less than that of the forceps body 100, so that not only can a large amount of material cost be saved, but also the weight of the processed forceps body is reduced, so that the whole electric coagulation forceps is lighter and more convenient to operate in the operation, on the other hand, because the bent tube forceps body 10 is formed by bending a hollow tube or a solid rod through a pipe bender and is formed into the handle part 12 through injection molding and encapsulation, and the positioning part 122 and the anti-slip part 121 are integrally formed with the handle part 12 in the injection molding and encapsulation process, structures such as the positioning hole 101 and the anti-slip pattern 102 do not need to be formed through stamping, on the one hand, a plurality of stamping processes are saved, and the processing cost is reduced, on the other hand, the positioning precision of the forceps piece is ensured by controlling the injection molding precision of the handle part 12 in the injection molding and encapsulation process, the size deviation of the positioning hole 101 and the assembly error of the positioning pin and the positioning hole 101 are avoided, and the superposition of the forceps piece assembly error of the forceps piece is reduced, and the quality control of the forceps is more favorable for product is facilitated.

Optionally, the bending forceps body 10 is formed by bending a hollow tube through an automatic bending machine.

It should be noted that, as shown in fig. 2, before the insulation treatment is performed on the forceps piece 200 before the improvement, the acute angle of the peripheral edge of the forceps piece 200 needs to be polished, and after polishing, the peripheral wall of the outer side of the forceps piece 200 needs to be sprayed with the insulating resin 300, so that the thickness of the insulating resin sprayed each time is inconsistent, which results in uncontrollable product quality and long production period. Referring to fig. 7 and 8, in the electric coagulation forceps provided by this embodiment, after the first end of the bent forceps body 10 is fixedly connected to the forceps tip 20 to form the one-sided forceps body 30, the peripheral wall of the one-sided forceps body 30 is heat-shrunk and insulated by the heat shrink tube 40, so as to form the first heat-shrunk insulation portion 31 and the second heat-shrunk insulation portion 32; compared with the mode of insulating the forceps sheet 200 by spraying insulating resin before improvement, the heat shrinkable tube 40 in the embodiment has low unit price, the whole production can be subjected to one-time large-batch baking and heat shrinkage through an oven, the production efficiency is high, and the problem that the product quality is uncontrollable due to inconsistent thickness of the insulating resin sprayed at each time is avoided.

In the embodiment, the bent tube forceps body is formed by bending a hollow tube or a solid rod, so that the weight of the forceps body is reduced, and the material cost is reduced; the bending part 11 forms the handle part 12 through injection molding and encapsulation, structures such as a positioning hole 101 and an anti-slip pattern 102 do not need to be formed through punching, multiple punching processes are saved, machining cost is reduced, size deviation of the positioning hole 101 and assembly errors of the positioning pin and the positioning hole 101 are avoided, overlapping of the tweezers sheet and assembly errors of the tweezers sheet on the tweezers piece is reduced, and quality control of products is facilitated; the peripheral wall of the outer side of the unilateral forceps body 30 is insulated through the heat shrinkage of the heat shrinkage pipe 40, so that the problem that the quality of a product is uncontrollable due to the fact that the thickness of the sprayed insulating resin is inconsistent every time is avoided, and the quality is more controllable while the production efficiency is improved.

Specifically, the second end of the bending tube forceps body 10 is fixedly connected with the electric wire 50, in the assembly process, the left and right single-side forceps bodies 30 and the electric wire 50 are formed into a fixing seat 60 through co-injection molding and encapsulation, and the fixing seat 60 is suitable for fixing the left and right single-side forceps bodies 30 and the electric wire 50.

It should be noted that, as shown in fig. 10, the second end of the bent forceps body 10 is welded to the electric wire 50, as shown in fig. 1, in the final assembly process, the left and right single-side forceps bodies 30 and the electric wire 50 are positioned and then are molded together and encapsulated to form a fixing seat 60, so that the left and right single-side forceps bodies 30 and the electric wire 50 are fixed, error superposition caused by multi-component assembly is reduced, the assembly precision of the forceps pieces is favorably controlled, and the kneading alignment precision of the left and right single-side forceps bodies 30 is further ensured.

Specifically, the elbow forceps body 10 is made of stainless steel or brass, and the forceps tip 20 is made of silver alloy and/or copper alloy.

It should be noted that, referring to fig. 1 and fig. 2, the forceps body 100 of the electric coagulation forceps before improvement is made of an integrated single metal material, and the forceps sheet 200 is insulated by spraying an insulating resin 300, which is high in both material cost and processing cost. According to the electric coagulation forceps provided by the embodiment, different materials are adopted for different application parts of the electric coagulation forceps according to the requirements of the service performance of the electric coagulation forceps, and the forceps tips 20 are the working ends of the product, so that the forceps tips 20 are made of silver alloy and/or copper alloy materials with good electric conduction and good heat conduction, and the forceps tips 20 are prevented from being adhered to human tissues while the good electric coagulation effect of the electric coagulation forceps is ensured; the electric coagulation forceps provided by the embodiment is characterized in that the forceps body is divided into two parts, the metal bent pipe which is low in price and convenient to process is adopted by the bent pipe forceps body 10, the holding end of a product is formed, the handle part 12 is made of plastic materials which are low in price and good in hand feeling, the bent pipe forceps body 10 is formed with the handle part 12 through injection molding and encapsulation, and compared with the integral flat metal forceps piece 200 before improvement, the material cost of the product is greatly reduced.

Specifically, one end of the forceps tip 20 close to the bent forceps body 10 is provided with a connecting portion 21, and the connecting portion 21 is socket-connected with the first end of the bent forceps body 10 and forms the single-side forceps body 30 by laser welding or high-frequency welding.

Referring to fig. 5, one end of the forceps tip 20 close to the bent forceps body 10 is provided with a connecting portion 21, referring to fig. 6, the connecting portion 21 is inserted into a preset insertion hole at the first end of the bent forceps body 10, and the single-side forceps body 30 is formed by laser welding or high-frequency welding between the forceps tip 20 and the bent forceps body 10.

Specifically, one end of the forceps tip 20, which is far away from the curved forceps body 10, is provided with a working end 22, and a first heat-shrinkable insulating portion 31 is formed between the working end 22 and the handle portion 12 through heat shrinkage of a heat-shrinkable tube 40.

Referring to fig. 5, a working end 22 is disposed at an end of the forceps tip 20 away from the curved forceps body 10, and after the single-sided forceps body 30 is formed by laser welding or high-frequency welding the forceps tip 20 and the curved forceps body 10, referring to fig. 7 and 9, a first heat-shrinkable insulating portion 31 is formed between the working end 22 and the handle portion 12 by heat shrinking through a heat-shrinkable tube 40.

Specifically, the second end of the bending forceps body 10 is provided with a welding portion 13, and the welding portion 13 is suitable for being welded and fixed with the electric wire 50.

Specifically, the second heat-shrinkable insulating portion 32 is formed between the welding portion 13 and the handle portion 12 by heat-shrinking the heat-shrinkable tube 40.

Referring to fig. 7 and 9, the second end of the forceps body 10 is provided with a welding portion 13, and the welding portion 13 is suitable for being welded and fixed with the electric wire 50; the welding part 13 and the handle part 12 are heat-shrunk by a heat-shrinkable tube 40 to form a second heat-shrinkable insulation part 32.

In this embodiment, after the forceps tip 20 and the bent forceps body 10 are welded by laser or by high-frequency welding to form the single-sided forceps body 30, firstly, the working end 22 and the bent portion 11 are baked and shrunk by the heat shrink tube 40 to form the first heat-shrinkable insulating portion 31, the welding portion 13 and the bent portion 11 are baked and shrunk by the heat shrink tube 40 to form the second heat-shrinkable insulating portion 32, and then the bent portion 11 is formed by injection molding and encapsulation to form the handle portion 12, so that the insulation treatment of the single-sided forceps body 30 is completed.

Specifically, one side of the handle portion 12 in the thickness direction thereof is recessed to form a non-slip portion 121, and the other side is protruded to form a positioning portion 122, and the positioning portion 122 and the non-slip portion 121 are integrally formed with the handle portion 12 in an injection molding and encapsulation process.

Optionally, the positioning portion 122 and the anti-slip portion 121 are integrally formed with the handle portion 12 in the injection molding and encapsulation process, so that stamping of anti-slip patterns and assembly of positioning pins on the forceps piece are avoided, reduction of production processes of the forceps piece is facilitated, processing cost is reduced, and processing precision of the forceps piece is improved.

Specifically, after the welding part 13 and the electric wire 50 are welded and fixed, the welding part 13 of the left and right single-sided forceps bodies 30 and the electric wire 50 are formed into the fixing seat 60 by co-injection molding and encapsulation.

Optionally, when the left and right single-sided forceps bodies 30 and the electric wire 50 are co-injection-molded and encapsulated, the two single-sided forceps bodies 30 and the electric wire 50 are first positioned and fixed on an injection mold, so as to ensure the kneading precision of the left and right single-sided forceps bodies 30.

Example two

The method for processing the electric coagulation forceps provided by the embodiment comprises the following steps:

s1, bending a hollow tube or a solid rod to form a bent tube forceps body 10;

s2, forming the forceps tips 20 through stamping or cutting;

s3, socket-jointing the bent tube forceps body 10 and the forceps tip 20 and forming a single-side forceps body 30 by laser welding or high-frequency welding;

s4, sleeving a heat-shrinkable tube 40 on the unilateral forceps body 30, and baking and heat-shrinking the unilateral forceps body 30 through the heat-shrinkable tube 40 to form a first heat-shrinkable insulating part 31 and a second heat-shrinkable insulating part 32;

s5, positioning and fixing the single-side forceps body 30, and forming a handle part 12 by injection molding and encapsulation of a bending part 11 of the single-side forceps body 30;

s6, positioning and fixing the left and right single-side forceps bodies 30 and the electric wire 50, and forming the fixed seat 60 by co-injection molding and encapsulation of the welding part 13 of the left and right single-side forceps bodies 30 and the electric wire 50.

Optionally, in step S1, the hollow tube or the solid rod is bent by an automatic bending machine to form the bent forceps body 10.

Optionally, in step S4, the one-side forceps body 30 sleeved with the heat shrinkable tube 40 is placed in an oven to be baked, so as to form the first heat shrinkable insulating portion 31 and the second heat shrinkable insulating portion 32 on the one-side forceps body 30.

Optionally, in step S5, the single-sided forceps body 30 is first positioned and fixed on an injection mold, then the bending portion 11 of the single-sided forceps body 30 is formed into the handle portion 12 by injection molding and encapsulation, and the handle portion 12, the first heat-shrinkable insulating portion 31 and the second heat-shrinkable insulating portion 32 together wrap the single-sided forceps body 30.

Optionally, in step S6, after the welding portions 13 of the left and right single-sided forceps bodies 30 are welded to the electric wire 50, the left and right single-sided forceps bodies 30 and the electric wire 50 are first positioned and fixed on an injection mold, and then the welding portions 13 of the left and right single-sided forceps bodies 30 and the electric wire 50 are formed into the fixing seats 60 by co-injection molding and encapsulation.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. Electric coagulation forceps, characterized by comprising:

the bending forceps body (10) is formed by bending a hollow tube or a solid rod, the bending forceps body (10) comprises a plurality of bending parts (11), and the bending parts (11) are suitable for forming a handle part (12) through injection molding and encapsulation; the first end of the bent tube forceps body (10) is fixedly connected with the forceps tip (20) to form an integral single-side forceps body (30), and the peripheral wall of the outer side of the single-side forceps body (30) is insulated through heat shrinkage of a heat shrinkage tube (40).

2. An electric coagulation forceps according to claim 1, wherein the second end of the elbow forceps body (10) is fixedly connected with an electric wire (50), in the process of final assembly, the left and right single-side forceps bodies (30) and the electric wire (50) form a fixed seat (60) through co-injection molding and encapsulation, and the fixed seat (60) is suitable for fixing the left and right single-side forceps bodies (30) and the electric wire (50).

3. The electrocoagulation forceps of claim 1, wherein the elbow forceps body (10) is made of stainless steel or brass and the forceps tip (20) is made of silver alloy and/or copper alloy material.

4. Electrocoagulation forceps according to claim 1, wherein a connection part (21) is provided at one end of the forceps tip (20) close to the elbow forceps body (10), the connection part (21) is socket-connected with the first end of the elbow forceps body (10) and forms the single-sided forceps body (30) by laser welding or high-frequency welding.

5. Electrocoagulation forceps according to claim 4, wherein an end of the forceps tip (20) remote from the bent forceps body (10) is provided with a working end (22), and a first heat-shrinkable insulation part (31) is formed between the working end (22) and the handle part (12) by heat shrinkage of a heat-shrinkable tube (40).

6. An electrocoagulation forceps according to claim 2, wherein the second end of the elbow forceps body (10) is provided with a weld (13), the weld (13) being adapted to be welded in place with the electrical wire (50).

7. Electrocoagulation forceps according to claim 6, wherein a second heat-shrinkable insulation part (32) is formed between the welding part (13) and the handle part (12) by heat-shrinking of a heat-shrink tube (40).

8. An electrocoagulation forceps according to any of claims 1 to 7, wherein the handle portion (12) is recessed along one side in its thickness direction to form a non-slip portion (121) and is raised along the other side to form a positioning portion (122), and the positioning portion (122) and the non-slip portion (121) are integrally formed with the handle portion (12) during the injection moulding and encapsulation process.

9. Electric coagulation forceps according to claim 6 or 7, wherein after the welding part (13) and the electric wire (50) are welded and fixed, the welding part (13) and the electric wire (50) of the left and right forceps bodies (30) are co-injection molded and encapsulated to form the fixed seat (60).

10. The method for processing the electric coagulation forceps is characterized by comprising the following steps of:

s1, bending a hollow tube or a solid rod to form a bent tube forceps body (10);

s2, forming a forceps tip (20) through stamping or cutting processing;

s3, socket-joint connection is carried out on the bent tube forceps body (10) and the forceps tip (20) to form a single-side forceps body (30) through laser welding or high-frequency welding;

s4, sleeving a heat-shrinkable tube (40) on the unilateral forceps body (30), and baking and heat-shrinking the unilateral forceps body (30) through the heat-shrinkable tube (40) to form a first heat-shrinkable insulating part (31) and a second heat-shrinkable insulating part (32);

s5, positioning and fixing the single-side forceps body (30), and forming a handle part (12) by the bending part (11) of the single-side forceps body (30) through injection molding and encapsulation;

s6, the left and right single-side forceps bodies (30) and the electric wire (50) are positioned and fixed, and the welding parts (13) of the left and right single-side forceps bodies (30) and the electric wire (50) are subjected to co-injection molding and encapsulation to form a fixing seat (60).

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