Medical electric coagulation clamp welding tool and processing method of medical electric coagulation clamp

Abstract

The application relates to a medical electric coagulation clamp welding tool and a processing method of the medical electric coagulation clamp, and belongs to the technical field of medical instruments. The medical electric coagulation clamp welding tool comprises a base, a limiting group and a gland assembly. The limiting group is arranged on the base and is distributed with multiple groups. Each limiting group comprises a clamp handle limiting groove and a clamp rod limiting groove. The clamp handle limiting groove and the clamp rod limiting groove are both arranged on the base. The clamp handle limiting groove and the clamp rod limiting groove in each limiting group are communicated. The shape of the clamp handle limiting groove is matched with the shape of one end of the clamp handle close to the clamp rod. The shape of the clamp rod limiting groove is matched with the shape of one end of the clamp rod close to the clamp handle. The gland assembly is provided with a first welding hole. The base is provided with a second welding hole on the side away from the gland assembly. The application has the effects of facilitating quick limiting and fixing of the clamp handle and the clamp rod with special shapes, improving the processing efficiency to a certain extent, and helping to assemble and process the clamp handle and the clamp rod in batches.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a medical electrocoagulation clamp welding tool and a processing method of a medical electrocoagulation clamp. BACKGROUND

[0002] The electrocoagulation clamp, also known as an electrocoagulation clamp, is an indispensable medical device in modern surgical operations. The electrocoagulation clamp provides local high-frequency current to the human body tissue through the tips of the two clamp blades to achieve electrocoagulation hemostasis and electrocision of biological tissue.

[0003] In the related art, the electrocoagulation clamp mainly includes two clamp blades, each of which includes a clamp handle, a clamp rod and a clamp tip connected in sequence. In order to facilitate flexible assembly of the electrocoagulation clamp, a processing method of forming the clamp handle, the clamp rod and the clamp tip respectively and then sequentially welding and assembling them has appeared. However, during the welding and assembly of the clamp handle and the clamp rod, it is difficult to fix the clamp handle and the clamp rod with special shapes, which affects the processing efficiency and is not convenient for batch processing. SUMMARY

[0004] In order to facilitate quick positioning and fixing of the clamp handle and the clamp rod with special shapes, to a certain extent, improve the processing efficiency, and help batch assembly and processing of the clamp handle and the clamp rod, the present application provides a medical electrocoagulation clamp welding tool and a processing method of a medical electrocoagulation clamp.

[0005] In a first aspect, the present application provides a medical electrocoagulation clamp welding tool, which adopts the following technical solution:

[0006] A medical electrocoagulation clamp welding tool, comprising:

[0007] a base, the base is used for detachable installation on a welding device;

[0008] a limiting group, the limiting group is arranged on the base, and the limiting group is distributed in multiple groups, each of the limiting groups comprises a clamp handle limiting groove and a clamp rod limiting groove, the clamp handle limiting groove and the clamp rod limiting groove are both arranged on the base, the clamp handle limiting groove and the clamp rod limiting groove in each of the limiting groups are communicated, the shape of the clamp handle limiting groove is matched with the shape of the end of the clamp handle close to the clamp rod, and the shape of the clamp rod limiting groove is matched with the shape of the end of the clamp rod close to the clamp handle;

[0009] a gland assembly, the gland assembly is detachably installed on the base and is used for pressing the clamp handle and the clamp rod in the clamp handle limiting groove and the clamp rod limiting groove respectively, the gland assembly is provided with a first welding hole, the first welding hole is used for aligning the welding position of the clamp handle and the clamp rod, and the base is provided with a second welding hole on the side away from the gland assembly, and the second welding hole is used for aligning the welding position of the clamp handle and the clamp rod.

[0010] Preferably, the grommet assembly comprises a pressing plate and a fixing member, the pressing plate is used to abut with the surface of the plurality of handles and the plurality of stems, the first welding hole is arranged on the pressing plate, and the first welding hole corresponds to the limiting group one by one, and the fixing member is used to detachably connect the pressing plate and the base.

[0011] Preferably, the fixing member comprises a plurality of tensioning screws arranged on the base, the pressing plate is provided with a gap for the tensioning screw to pass through, and the two ends of the tensioning screw are threadedly connected with locking nuts, one side of the locking nut is used to abut with the pressing plate, the other side of the locking nut is used to abut with the base, the base is provided with a strip-shaped hole for the tensioning screw to pass through, and the strip-shaped hole corresponds to the tensioning screw one by one.

[0012] Preferably, the base is provided with a first avoiding groove and a second avoiding groove, the limiting group is located between the first avoiding groove and the second avoiding groove, the first avoiding groove is communicated with the handle limiting groove, and the second avoiding groove is communicated with the stem limiting groove.

[0013] Preferably, the base comprises a mounting seat, a limiting seat and an adjusting member, the mounting seat is used to be detachably mounted on the welding equipment, the limiting seat is rotationally arranged on the mounting seat, a plurality of limiting seats are arranged, the limiting seat corresponds to the limiting group one by one, the limiting group is arranged on the corresponding limiting seat, the grommet assembly corresponds to the limiting seat one by one, the grommet assembly is detachably mounted on the corresponding limiting seat, the second welding hole corresponds to the limiting seat one by one, the second welding hole is arranged on the corresponding limiting seat, and the adjusting member is arranged on the mounting seat.

[0014] Preferably, the grommet assembly comprises a pressing plate and a fixing member, the pressing plate is used to abut with the surface of the plurality of handles and the plurality of stems, the first welding hole is arranged on the pressing plate, and the first welding hole corresponds to the limiting group one by one, and the fixing member is used to detachably connect the pressing plate and the base.

[0015] Preferably, the limiting seat is provided with a rotating rod at both ends, the rotating rod is rotationally arranged on the mounting seat, the adjusting member comprises a belt wheel, a belt and a driving motor, the belt wheel corresponds to the limiting seat one by one, the belt wheel is sleeved on the same end rotating rod of the corresponding limiting seat, the belt is wound on a plurality of belt wheels, the driving motor is mounted on the mounting seat, and the output shaft of the driving motor is coaxially connected with any rotating rod.

[0016] Preferably, two third welding holes are arranged on the limiting seat in opposite directions, the arrangement direction of the first welding hole and the second welding hole is perpendicular to the arrangement direction of the two third welding holes, and the third welding hole is used to align the splicing position of the handle and the stem.

[0017] Preferably, the first welding hole and the second welding hole each comprise a first hole body and a second hole body communicated in sequence in a direction away from the handle, the cross-sectional area of the first hole body increases in a direction away from the handle or the stem, and the cross-sectional area of the second hole body is greater than the maximum cross-sectional area of the first hole body.

[0018] In a second aspect, the application provides a processing method of a medical electrocoagulation clamp, which adopts the following technical scheme:

[0019] The processing method of the medical electrocoagulation clamp uses the welding tool, and comprises the following steps:

[0020] The tip of the clamp is processed, the tip material is prepared, the tip material is selected to be a silver-copper alloy, the tip material is clamped on a CNC engraving machine for processing, and a shaped tip is obtained;

[0021] The handle of the clamp is processed, stainless steel powder and a lubricant are prepared, 99% of the stainless steel powder and 1% of the lubricant are added and stirred uniformly for mixing, high-pressure forming of 700-800 MPa is performed through a press, and then sintering at a high temperature of 1250-1350 DEG C is performed, so that the handle of the clamp is obtained;

[0022] The stem of the clamp is processed, stainless steel powder and a lubricant are prepared, 99% of the stainless steel powder and 1% of the lubricant are added and stirred uniformly for mixing, high-pressure forming of 700-800 MPa is performed through a press, and then sintering at a high temperature of 1250-1350 DEG C is performed, so that the stem of the clamp is obtained;

[0023] The handle and the stem of the clamp are welded, a plurality of handles are sequentially placed in the handle limiting grooves of the base, a plurality of stems are sequentially placed in the corresponding stem limiting grooves, the stem and the handle are in a splicing state, the second welding hole is aligned with the splicing position of the stem and the handle close to the base, the limiting of the plurality of handles and the stems in the X direction and the Y direction is realized, then the gland assembly is installed on the base, the first welding hole on the gland assembly is aligned with the splicing position of the stem and the handle close to the gland assembly, then the splicing position of the stem and the handle is welded through the laser welding machine passing through the first welding hole and the second welding hole, and the stem and the handle are connected;

[0024] The tip of the clamp is welded, and the tip of the clamp is welded on the stem connected with the handle;

[0025] The infusion tube is installed, the stainless steel infusion tube is welded in the corresponding cavity of the handle and the stem, and the electrocoagulation clamp sheet product is obtained.

[0026] In summary, the application has the following beneficial technical effects:

[0027] In use, the plurality of handle is sequentially placed in the handle limiting groove of the base, the side of the handle away from the lap joint groove is in abutment with the bottom wall of the handle limiting groove, then the plurality of tongs rod is sequentially placed in the corresponding tongs rod limiting groove, the lap joint of the tongs rod and the lap joint groove of the handle are in a splicing state, at this time the second welding hole is aligned with the splicing part of the tongs rod and the handle close to the base, the plurality of handle and tongs rod are limited in the X direction and the Y direction, then the gland assembly is installed on the base, the first welding hole on the gland assembly is aligned with the splicing part of the tongs rod and the handle close to the gland assembly, then the base is installed on the welding platform of the welding machine, the splicing part of the tongs rod and the handle is welded by the laser welding machine through the first welding hole and the second welding hole, the connection of the tongs rod and the handle is realized, since the shape of the handle limiting groove and the tongs rod limiting groove in the limiting group is customized according to the shape of the end of the handle and the end of the tongs rod respectively, the special-shaped handle and tongs rod are conveniently limited and fixed, the processing efficiency is improved to a certain extent, and the handle and tongs rod are conveniently assembled and processed in batches. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is the overall structure schematic diagram of the electrocoagulation clamp product processed in the application.

[0029] Figure 2 is the overall structure explosion diagram of the electrocoagulation clamp product processed in the application.

[0030] Figure 3 is the overall structure schematic diagram of the embodiment 1 of the application.

[0031] Figure 4 is the overall structure explosion diagram of the embodiment 1 of the application.

[0032] Figure 5 is the structure explosion diagram of another perspective of the embodiment 1 of the application.

[0033] Figure 6 is the overall structure schematic diagram of the embodiment 2 of the application.

[0034] Figure 7 is the overall structure explosion diagram of the embodiment 2 of the application.

[0035] Figure 8 is the structure explosion diagram of the limiting seat and the pressing block in the embodiment 2 of the application.

[0036] Figure 9 is the overall structure schematic diagram of another perspective of the embodiment 2 of the application.

[0037] Explanation of reference signs: 1, base; 2, limiting set; 201, forceps handle limiting groove; 202, forceps rod limiting groove; 3, first welding hole; 4, second welding hole; 5, pressing plate; 6, tensioning screw; 7, notch; 8, strip-shaped hole; 9, first avoiding groove; 10, second avoiding groove; 11, mounting seat; 12, limiting seat; 13, adjusting piece; 131, belt wheel; 132, belt; 133, driving motor; 14, pressing block; 15, rotating rod; 16, third welding hole; 17, forceps handle; 18, forceps rod; 19, forceps tip; 20, infusion tube; 21, through hole; 22, cavity; 23, lapping groove; 24, lapping joint; 25, mounting column; 26, end limiting groove; 27, expansion groove. DETAILED DESCRIPTION

[0038] The following Figures 1-9 The present application is further described in detail.

[0039] In order to facilitate the description of the welding tool of the present application, the structure of the medical electric coagulation clamp product to be processed by the present application is introduced in detail. Referring to Figure 1 and Figure 2 , the medical electric coagulation clamp mainly comprises two forceps pieces, and the forceps pieces are used to connect external electrode seats. Specifically, each forceps piece comprises a forceps handle 17, a forceps rod 18, a forceps tip 19 and an infusion tube 20. The forceps handle 17, the forceps rod 18 and the forceps tip 19 are sequentially welded. Further, the forceps handle 17 and the forceps rod 18 are both provided with a cavity 22 for accommodating the infusion tube 20, and the cavities 22 of the forceps handle 17 and the forceps rod 18 are communicated. The infusion tube 20 is welded in the cavities 22 of the forceps handle 17 and the forceps rod 18. The forceps tip 19 is provided with a through hole 21. One end of the infusion tube 20 close to the forceps tip 19 is used to communicate with the through hole 21, and the other end is used to communicate with an external instrument. The forceps handle 17 and the forceps rod 18 are wrapped with an insulating layer. In use, the through hole 21 at the end of the forceps tip 19 and the infusion tube 20 are used to realize liquid suction or liquid filling.

[0040] Referring to Figure 1 and Figure 2 , in order to improve the connection strength between the forceps handle 17 and the forceps rod 18, the end of the forceps handle 17 close to the forceps rod 18 is provided with a lapping groove 23, and the end of the forceps rod 18 close to the forceps handle 17 has a lapping joint 24. The lapping joint 24 comprises a rectangular portion and a trapezoidal portion which are integrally formed in sequence in a direction away from the forceps rod 18. The rectangular portion and the trapezoidal portion are jointly lapped with the lapping groove 23. Thus, a non-linear welding seam line is formed on one side of the lapping joint 24, a linear welding seam line is formed on the side of the forceps handle 17 away from the lapping groove 23, and a Z-shaped welding seam line is formed on the side edge. This not only makes the welding positions on the opposite sides of the forceps handle 17 and the forceps rod 18 staggered, but also prolongs the welding path and improves the connection strength.

[0041] Example 1:

[0042] The embodiment of the application discloses a medical electric coagulation clamp welding tool. Figure 3 The medical electric coagulation clamp welding tool comprises a base 1, a limiting group 2 and a gland assembly, wherein the base 1 is used for being detachably mounted on a welding device, and the cross section of the base 1 is rectangular in particular; in order to facilitate the installation of the base 1, a plurality of mounting columns 25 are arranged on the base 1, the mounting columns 25 are used for being mounted on a welding platform of the welding machine, so that the position of the base 1 can be positioned, and meanwhile the position of the base 1 on the welding machine can be adjusted. The detachable connection between the base 1 and the welding device can adopt a bolt locking connection mode, which belongs to the prior art and will not be described in detail here.

[0043] Referring to Figure 2 and Figure 3 , the limiting group 2 is arranged on the base 1, and a plurality of limiting groups 2 are distributed, and specifically, the plurality of limiting groups 2 are arranged in sequence along the width direction of the base 1, each limiting group 2 comprises a clamp handle limiting groove 201 and a clamp rod limiting groove 202, the clamp handle limiting groove 201 and the clamp rod limiting groove 202 are both arranged on the base 1, the clamp handle limiting groove 201 and the clamp rod limiting groove 202 in each limiting group 2 are communicated, and the arrangement direction is parallel to the length direction of the base 1; further, in order to facilitate the limiting of the clamp handle 17 and the clamp rod 18, the shape of the clamp handle limiting groove 201 is matched with the shape of one end of the clamp handle 17 close to the clamp rod 18, the shape of the clamp rod limiting groove 202 is matched with the shape of one end of the clamp rod 18 close to the clamp handle 17, when the clamp handle 17 and the clamp rod 18 are placed, one side of the clamp handle 17 away from the lap joint groove 23 (referring to Figure 2 ) is attached to the bottom wall of the clamp handle limiting groove 201, the depth of the clamp handle limiting groove 201 is matched with the thickness of the clamp handle 17, and the depth of the clamp rod limiting groove 202 is matched with the thickness of the clamp rod 18, so that when the clamp handle 17 is located in the clamp handle limiting groove 201 and the clamp rod 18 is located in the clamp rod limiting groove 202, the surfaces of the clamp handle 17 and the clamp rod 18 are flush with the surface of the base 1.

[0044] Referring to Figure 4 and Figure 5 , the gland assembly is detachably mounted on the base 1 and is used for pressing the clamp handle 17 and the clamp rod 18 in the clamp handle limiting groove 201 and the clamp rod limiting groove 202 respectively, the gland assembly is provided with a first welding hole 3, the first welding hole 3 is used for aligning the welding position of the clamp handle 17 and the clamp rod 18, and specifically, the first welding hole 3 is used for aligning the non-linear welding seam line of the clamp handle 17 and the lap joint 24, one side of the base 1 away from the gland assembly is provided with a second welding hole 4, the second welding hole 4 is used for aligning the welding position of the clamp handle 17 and the clamp rod 18, and specifically, the second welding hole 4 is used for aligning the linear welding seam line between the clamp handle 17 and the clamp rod 18.

[0045] In use, the plurality of handle 17 is sequentially placed in the handle limiting groove 201 of the base 1, the side of the handle 17 away from the lap joint groove 23 is in abutment with the bottom wall of the handle limiting groove 201, then the plurality of tongs rod 18 is sequentially placed in the corresponding tongs rod limiting groove 202, the lap joint 24 of the tongs rod 18 is in a splicing state with the lap joint groove 23 of the corresponding handle 17, at this time the second welding hole 4 is aligned with the straight line splicing part of the tongs rod 18 and the handle 17 away from the lap joint 24, realizing the limiting of the plurality of handle 17 and the tongs rod 18 in the X direction and the Y direction, then the gland assembly is installed on the base 1, the first welding hole 3 on the gland assembly is aligned with the splicing part of the corresponding tongs rod 18 and handle 17 close to the gland assembly, then the base 1 is installed on the welding platform of the welding machine through the plurality of installation columns 25, the splicing part of the tongs rod 18 and the handle 17 is welded through the first welding hole 3 by the laser welding machine, then the base 1 is turned over, and the splicing part of the tongs rod 18 and the handle 17 on the other side is welded through the second welding hole 4, realizing the connection of the tongs rod 18 and the handle 17, because the shape of the handle limiting groove 201 and the tongs rod limiting groove 202 in the limiting group 2 is customized according to the shape of the end of the handle 17 and the end of the tongs rod 18 respectively, so that the handle 17 and the tongs rod 18 with special shape can be quickly limited and fixed, to a certain extent, the processing efficiency is improved, which is helpful for batch assembly and processing of the handle 17 and the tongs rod 18.

[0046] Referring to Figure 4 In order to facilitate the compression and fixation of the handle 17 and the tongs rod 18, the gland assembly comprises a pressing plate 5 and a fixing piece, the cross section of the pressing plate 5 is rectangular, the length direction of the pressing plate 5 is parallel to the arrangement direction of the plurality of limiting groups 2, the pressing plate 5 is used for abutting with the surface of the plurality of handle 17 and tongs rod 18, the first welding hole 3 is arranged on the pressing plate 5, further, the first welding hole 3 is one-to-one corresponding to the limiting group 2, so that the first welding hole 3 has a plurality of first welding holes along the length direction of the pressing plate 5, and the fixing piece is used for detachably connecting the pressing plate 5 and the base 1.

[0047] Referring to Figure 4 In order to facilitate the detachable connection of the pressing plate 5 and the base 1, the fixing piece comprises a plurality of tensioning screws 6 penetrating the base 1, in the embodiment of the application, the plurality of tensioning screws 6 are symmetrically distributed in pairs along the length direction of the pressing plate 5, a notch 7 for the tensioning screw 6 to penetrate is arranged on the pressing plate 5, the notch 7 is one-to-one corresponding to the tensioning screw 6, and both ends of the tensioning screw 6 are threadedly connected with locking nuts, one side of the locking nut is used for abutting with the pressing plate 5, and the other side of the locking nut is used for abutting with the base 1. In order to be able to adjust the position of the pressing plate 5 on the base 1, a strip-shaped hole 8 for the tensioning screw 6 to move through is arranged on the base 1, the strip-shaped hole 8 is one-to-one corresponding to the tensioning screw 6, the length direction of the strip-shaped hole 8 is parallel to the length direction of the base 1, and the tensioning screw 6 can move in the corresponding strip-shaped hole 8, so as to facilitate the adjustment of the position of the pressing plate 5.

[0048] When the plurality of tongs handles 17 and the tongs rods 18 are placed on the base 1, the pressing plate 5 is abutted on the base 1, so that the pressing plate 5 is abutted with the surfaces of the plurality of tongs handles 17 and the tongs rods 18, and then the first welding holes 3 are aligned with the non-linear welding seams of the tongs handles 17 and the tongs rods 18 in the corresponding limiting groups 2, and then the plurality of tensioning screws 6 are inserted into the corresponding strip-shaped holes 8 on the base 1 and are moved into the corresponding notches 7 on the pressing plate 5, and then the locking nuts are rotated, so that the locking nuts away from the pressing plate 5 are abutted with the base 1, and the locking nuts close to the pressing plate 5 are abutted with the surface of the pressing plate 5, so as to realize the fixation of the pressing plate 5 and the base 1, and also realize the simultaneous fixation of the plurality of tongs handles 17 and the tongs rods 18. When it is needed to take down the tongs handles 17 and the tongs rods 18, the locking nuts are taken off from the tensioning screws 6, so as to realize the disengagement and disassembly of the pressing plate 5 and the base 1.

[0049] With reference to Figure 4 , the base 1 is provided with a first avoiding groove 9 and a plurality of second avoiding grooves 10, and the plurality of limiting groups 2 are located between the first avoiding groove 9 and the second avoiding groove 10. The first avoiding groove 9 is located on the side of the tongs handle limiting groove 201 away from the tongs rod limiting groove 202, and the first avoiding groove 9 is communicated with the tongs handle limiting groove 201. The plurality of second avoiding grooves 10 are located on the side of the tongs rod limiting groove 202 away from the tongs handle limiting groove 201, and the arrangement direction of the plurality of second avoiding grooves 10 is parallel to the arrangement direction of the plurality of limiting groups 2. The second avoiding groove 10 corresponds to the limiting group 2 one by one, and the second avoiding groove 10 is communicated with the tongs rod limiting groove 202 of the corresponding limiting group 2.

[0050] With reference to Figure 4 , specifically, the first avoiding groove 9 is a rectangular groove, the length direction of the first avoiding groove 9 is parallel to the arrangement direction of the plurality of limiting groups 2, the first avoiding groove 9 penetrates through both sides of the base 1 in the width direction, the depth of the first avoiding groove 9 is greater than the depth of the tongs handle limiting groove 201, the first avoiding groove 9 can avoid the structure on the side of the tongs handle 17 away from the tongs rod 18, and ensure that the tongs handle 17 can be placed flat in the tongs handle limiting groove 201. In order to further ensure the stable placement of the tongs handle 17, a plurality of end limiting grooves 26 are provided on the base 1, the end limiting groove 26 corresponds to the limiting group 2 one by one, the end limiting groove 26 is located on the side of the first avoiding groove 9 away from the tongs handle limiting groove 201, the depth of the end limiting groove 26 is equal to the depth of the tongs handle limiting groove 201, the end of the tongs handle 17 away from the tongs rod 18 is located in the end limiting groove 26, and the end limiting groove 26 penetrates through the side of the base 1 away from the tongs rod limiting groove 202 in the length direction.

[0051] With reference to Figure 4The second avoiding groove 10 is arranged on the side of the base 1 away from the handle limiting groove 201 in the length direction of the base 1, so that the electric coagulation clamp can be assembled flexibly and conveniently for different lengths of the clamp rod 18. Meanwhile, the corner near the end of the second avoiding groove 10 close to the clamp rod limiting groove 202 is designed with a round corner, the width of the second avoiding groove 10 is greater than that of the clamp rod limiting groove 202, and the depth of the second avoiding groove 10 is greater than that of the clamp rod limiting groove 202, so that the end of the clamp rod 18 away from the clamp handle 17 can be avoided. The plurality of limiting groups 2 are arranged between the adjacent strip-shaped holes 8 arranged in the width direction on the base 1, which not only helps to ensure the balance of the locking of the pressing plate 5, but also can be staggered with other grooves on the base 1.

[0052] With reference to Figure 4 and Figure 5 In order to facilitate the welding operation of the laser welding machine, the first welding hole 3 and the second welding hole 4 each include a first hole body (not shown in the figure) and a second hole body (not shown in the figure), the first hole body and the second hole body are sequentially communicated in the direction away from the clamp handle 17, the cross sections of the first hole body and the second hole body are each rectangular with rounded corners; the cross-sectional area of the first hole body increases in the direction away from the clamp handle 17 or the clamp rod 18, and the cross-sectional area of the second hole body is greater than the maximum cross-sectional area of the first hole body. The design of the structure and shape of the first welding hole 3 and the second welding hole 4 not only can limit the welding position, but also can expand the observation field of view and avoid the structure on the laser welding machine.

[0053] With reference to Figure 5 The base 1 away from the gland assembly is provided with a plurality of expansion grooves 27, the expansion grooves 27 correspond to the strip-shaped holes 8 one by one, and the strip-shaped holes 8 are located in the corresponding expansion grooves 27, which helps to make the locking nut on the side of the tensioning screw 6 away from the pressing plate 5 abut against the bottom wall of the expansion groove 27, so that the end of the tensioning screw 6 away from the pressing plate 5 does not protrude from the surface of the base 1 away from the gland assembly, and the installation and positioning of the base 1 are facilitated.

[0054] The implementation principle of the embodiment 1 of the application is as follows: when in use, the plurality of handle shafts 17 are sequentially placed into the handle shaft limiting grooves 201 of the base 1, the side of the handle shaft 17 away from the lap joint groove 23 is abutted against the bottom wall of the handle shaft limiting groove 201, then the plurality of handle rods 18 are sequentially placed into the corresponding handle rod limiting grooves 202, the lap joint 24 of the handle rod 18 is in a splicing state with the lap joint groove 23 of the handle shaft 17, at this time, the second welding hole 4 is aligned with the straight-line splicing position of the handle rod 18 and the handle shaft 17, the plurality of handle shafts 17 and the handle rods 18 are limited in the X direction and the Y direction, then the pressing plate 5 is abutted against the base 1, the pressing plate 5 is abutted against the surface of the plurality of handle shafts 17 and the handle rods 18, at the same time, the first welding hole 3 is aligned with the non-straight-line welding seam position of the handle shaft 17 and the handle rod 18 in the corresponding limiting group 2, then the plurality of tensioning screws 6 are inserted into the corresponding strip-shaped holes 8 on the base 1 and are moved into the corresponding notches 7 on the pressing plate 5, then the locking nuts away from the pressing plate 5 are abutted against the side of the base 1 away from the pressing plate 5, and the locking nuts close to the pressing plate 5 are abutted against the surface of the pressing plate 5, so that the pressing plate 5 and the base 1 are fixed, and the plurality of handle shafts 17 and the handle rods 18 are simultaneously fixed.

[0055] Then the base 1 is installed on the welding platform of the welding machine through the plurality of mounting columns 25, the splicing position of the handle rod 18 and the handle shaft 17 on one side is welded through the first welding hole 3 by the laser welding machine, then the base 1 is turned over, and the splicing position of the handle rod 18 and the handle shaft 17 on the other side is welded through the second welding hole 4 by the laser welding machine, for the low requirement of the electrocoagulation clamp, at this time, the connection of the handle shaft 17 and the handle rod 18 is completed; for the high connection requirement of the electrocoagulation clamp, the handle shaft 17 and the handle rod 18 need to be taken off from the welding tool, and the side seam of the handle rod 18 and the handle shaft 17 is welded, so that the connection of the handle rod 18 and the handle shaft 17 is completed. Since the shapes of the handle shaft limiting groove 201 and the handle rod limiting groove 202 are customized according to the shapes of the end of the handle shaft 17 and the end of the handle rod 18 respectively, the handle shaft 17 and the handle rod 18 with special shapes can be quickly limited and fixed, the processing efficiency is improved to a certain extent, and the batch assembly and processing of the handle shaft 17 and the handle rod 18 are facilitated.

[0056] The embodiment of the application further discloses a processing method of a medical electrocoagulation clamp. The processing method of the medical electrocoagulation clamp uses the welding tool, and comprises the following steps.

[0057] Step 1: processing of the handle tip 19, preparing the handle tip 19 material, the material of the handle tip 19 is selected to be silver-copper alloy, specifically, AgCu50 is selected, the handle tip 19 material is clamped on the CNC engraving machine for processing, and a shaped handle tip 19 is obtained.

[0058] Step 2: The handle 17 is processed, stainless steel powder and lubricant are prepared, and then 99% of the stainless steel powder and 1% of the lubricant are stirred and mixed uniformly, followed by high-pressure forming of 700-800 MPa through a pressure machine, compression molding, and then high-temperature sintering of 1250-1350°C to obtain the handle 17;

[0059] Step 3: The tongs rod 18 is processed, stainless steel powder and lubricant are prepared, and then 99% of the stainless steel powder and 1% of the lubricant are stirred and mixed uniformly, followed by high-pressure forming of 700-800 MPa through a pressure machine, compression molding, and then high-temperature sintering of 1250-1350°C to obtain the tongs rod 18;

[0060] Step 4: The handle 17 and the tongs rod 18 are welded, a plurality of handles 17 are sequentially placed in the handle limiting groove 201 of the base 1, a plurality of tongs rods 18 are sequentially placed in the corresponding tongs rod limiting groove 202, the tongs rod 18 and the handle 17 are in a splicing state, the second welding hole 4 is aligned with the splicing part of the tongs rod 18 and the handle 17 close to the base 1, the plurality of handles 17 and the tongs rod 18 are limited in the X direction and the Y direction, then the gland assembly is installed on the base 1, the first welding hole 3 on the gland assembly is aligned with the splicing part of the tongs rod 18 and the handle 17 close to the gland assembly, and then the splicing part of the tongs rod 18 and the handle 17 is welded by the laser welding machine through the first welding hole 3 and the second welding hole 4, connecting the tongs rod 18 and the handle 17;

[0061] Step 5: The tongs tip 19 is welded to the tongs rod 18 connected to the handle 17;

[0062] Step 6: The infusion tube 20 is installed, the infusion tube 20 is made of SUS304 stainless steel tube, and the stainless steel infusion tube 20 is welded in the corresponding cavity 22 of the handle 17 and the tongs rod 18 to obtain the electrocoagulation clamp product.

[0063] In step 1, AgCu50 refers to silver-copper alloy with a copper content of 50%, and CNC engraving machine refers to numerical control engraving machine; in step 6, SUS304 stainless steel refers to austenitic stainless steel produced according to Japanese standard. By using welding method for the handle 17, the tongs rod 18 and the tongs tip 19, different lengths of corresponding components can be selected for assembly according to needs, thereby helping to assemble more types of products.

[0064] Example 2:

[0065] Reference Figure 6The embodiment of the application is different from that of embodiment 1 in that the base 1 comprises a mounting seat 11, a limiting seat 12 and an adjusting piece 13, wherein the mounting seat 11 is in the shape of a rectangular frame, a plurality of mounting columns 25 are respectively arranged on opposite sides of the mounting seat 11, the mounting seat 11 is used for detachable mounting on a welding device, the detachable mounting mode belongs to the prior art and will not be described here in detail, the limiting seat 12 is rotationally arranged in the mounting seat 11, and a plurality of limiting seats 12 are arranged in sequence along the length direction of the mounting seat 11.

[0066] With reference to Figure 7 and Figure 8 , in order to realize the rotational connection of the limiting seat 12 and the mounting seat 11, rotating rods 15 are fixed at both ends of the limiting seat 12, the rotating rods 15 are rotationally arranged on the mounting seat 11, and the rotation axes of the rotating rods 15 are parallel to the width direction of the mounting seat 11.

[0067] With reference to Figure 6 and Figure 7 , the limiting seat 12 corresponds to the limiting group 2, the limiting group 2 is arranged on the corresponding limiting seat 12, so that the plurality of limiting groups 2 are arranged in sequence along the length direction of the mounting seat 11, the structure of the limiting group 2 is the same as that of the limiting group 2 in embodiment 1, that is, the tweezer handle limiting groove 201 and the tweezer rod limiting groove 202 in each limiting group 2 are arranged on the corresponding limiting seat 12, the gland assembly also corresponds to the limiting seat 12, the gland assembly is detachably mounted on the corresponding limiting seat 12, the second welding hole 4 corresponds to the limiting seat 12, the second welding hole 4 is arranged on the side of the corresponding limiting seat 12 away from the gland assembly, and the adjusting piece 13 is arranged on the mounting seat 11, and the adjusting piece 13 is used for adjusting the synchronous rotation of the plurality of limiting seats 12.

[0068] In use, the plurality of limiting seats 12 are rotated to a horizontal state by the adjusting piece 13, and the side on which the limiting group 2 is located is upward, the plurality of tweezer handles 17 are sequentially arranged in the tweezer handle limiting grooves 201 of the plurality of limiting seats 12, so that the side of the tweezer handle 17 away from the lap joint groove 23 abuts against the bottom wall of the tweezer handle limiting groove 201, then the plurality of tweezer rods 18 are sequentially arranged in the corresponding tweezer rod limiting grooves 202, so that the lap joint 24 of the tweezer rod 18 and the lap joint groove 23 of the tweezer handle 17 are in a splicing state, at this time, the second welding hole 4 is aligned with the linear splicing position of the side of the tweezer rod 18 and the tweezer handle 17 close to the base 1, so as to realize the limiting of the plurality of tweezer handles 17 and the tweezer rods 18 in the X direction and the Y direction, then the gland assembly is mounted on the corresponding limiting seat 12, so that the first welding hole 3 is aligned with the splicing position of the corresponding tweezer rod 18 and the tweezer handle 17, and the tweezer handle 17 and the tweezer rod 18 in the limiting group 2 are fixed.

[0069] Then the mounting base 11 is installed on the welding platform of the welding equipment through a plurality of mounting columns 25, the splicing part of the tweezers rod 18 and the tweezers handle 17 on one side is welded through the first welding hole 3 by the laser welding machine, then the plurality of limiting seats 12 are driven to rotate synchronously by the adjusting piece 13, the limiting seat 12 is turned over, the splicing part of the tweezers rod 18 and the tweezers handle 17 on the other side is welded through the second welding hole 4, so that not only the special-shaped tweezers handle 17 and the tweezers tip 19 can be quickly positioned and fixed, but also the tweezers handle 17 and the tweezers rod 18 can be quickly turned over, the processing efficiency is improved to a certain extent, and the batch assembly and processing of the tweezers handle 17 and the tweezers rod 18 are facilitated.

[0070] With reference to Figure 7 And Figure 8 In order to facilitate the tweezers handle 17 and the tweezers rod 18 to be pressed on the limiting seat 12, the gland assembly comprises a pressing block 14 and a locking piece, the pressing block 14 is used for abutting against the surface of the tweezers handle 17 and the tweezers rod 18 on the corresponding limiting seat 12, the first welding hole 3 is arranged on the pressing block 14, and the locking piece is used for detachably connecting the pressing block 14 on the corresponding limiting seat 12. Further, the structure of the locking piece is the same as that of the fixing piece, both of which are matched with the tensioning screw 6 and the locking nut, the tensioning screw 6 is located at the four corners of the pressing block 14, and similarly, the gap 7 for the tensioning screw 6 to pass through is arranged on the pressing block 14, and the strip-shaped hole 8 for the tensioning screw 6 to movably pass through is arranged on the limiting seat 12, and the locking nut on one side of the tensioning screw 6 is used for abutting against the side of the limiting seat 12 away from the limiting group 2, and the locking nut on the other side is used for abutting against the side of the pressing block 14 away from the limiting seat 12.

[0071] The pressing block 14 and the corresponding limiting seat 12 can be disassembled through the cooperation of the tensioning screw 6 and the locking nut. In other embodiments, the locking piece can also be detachably connected in the form of buckle connection, bolt connection and the like.

[0072] With reference to Figure 7 And Figure 9 In order to facilitate the synchronous rotation of the plurality of limiting seats 12, the adjusting piece 13 comprises a belt wheel 131, a belt 132 and a driving motor 133, the belt wheel 131 corresponds to the limiting seat 12 one by one, the belt wheel 131 is fixedly sleeved on the same end rotating rod 15 of the corresponding limiting seat 12, the belt 132 is wound on the plurality of belt wheels 131, the plurality of belt wheels 131 are drivingly connected through the belt 132, the driving motor 133 is fixedly installed on the mounting base 11 through bolts, the output shaft of the driving motor 133 is coaxially fixed with any rotating rod 15, and the driving motor 133 adopts a speed reducer.

[0073] By starting the driving motor 133, the driving motor 133 drives the corresponding rotating rod 15 to rotate, and then through the transmission of the plurality of pulleys 131 and the belts 132, the synchronous rotation of the plurality of rotating rods 15 and the limiting seat 12 is realized, so as to adjust the tweezers handle 17 and the tweezers rod 18 to turn over.

[0074] With reference to Figure 6 and Figure 7 , the depth of the tweezers handle limiting groove 201 on the limiting seat 12 is greater than the thickness of the tweezers handle 17, the depth of the tweezers rod limiting groove 202 is greater than the thickness of the tweezers rod 18, and the two elastic rubber blocks (not shown in the figure) are fixed on the opposite sides of the side of the pressing block 14 close to the limiting seat 12, and the two elastic rubber blocks are respectively used for abutting against the surfaces of the tweezers handle 17 and the tweezers rod 18, and the first welding hole 3 is located between the two elastic rubber blocks, so as to ensure that the tweezers handle 17 and the tweezers rod 18 are pressed on the limiting seat 12.

[0075] With reference to Figure 7 and Figure 8 , two third welding holes 16 are oppositely arranged on the limiting seat 12, the arrangement direction of the first welding hole 3 and the second welding hole 4 is perpendicular to the arrangement direction of the two third welding holes 16, and the third welding hole 16 is used for aligning the side joint of the tweezers handle 17 and the tweezers rod 18; when the tweezers rod 18 is aligned with the second welding hole 4 at the straight-line welding seam line of the tweezers handle 17, the side joint of the tweezers handle 17 and the tweezers rod 18 is aligned with the third welding hole 16. The structures of the first welding hole 3 and the second welding hole 4 in the embodiment are the same as those of the first welding hole 3 and the second welding hole 4 in the embodiment 1, the structure of the third welding hole 16 is the same as that of the first welding hole 3 and the second welding hole 4, and the size of the third welding hole 16 can be set according to the needs.

[0076] The implementation principle of the embodiment 2 of the present application is as follows: in use, the rotating rod 15 is driven to rotate by the driving motor 133, the plurality of limiting seats 12 are rotated to the horizontal state, and the limiting groups 2 face upward, then the plurality of clamp handles 17 are sequentially placed into the clamp handle limiting grooves 201 of the plurality of limiting seats 12, the surface of the clamp handle 17 away from the lap joint groove 23 abuts against the bottom wall of the clamp handle limiting groove 201, then the plurality of clamp rods 18 are sequentially placed into the corresponding clamp rod limiting grooves 202, the lap joint 24 of the clamp rod 18 and the lap joint groove 23 of the clamp handle 17 are in the splicing state, at this time, the second welding hole 4 is aligned with the straight-line welding seam line of the clamp rod 18 and the clamp handle 17, the side splicing position of the clamp handle 17 and the clamp rod 18 is aligned with the third welding hole 16, the limiting of the plurality of clamp handles 17 and the clamp rods 18 in the X direction and the Y direction is realized, then the pressing block 14 abuts against the corresponding limiting seat 12, the two elastic rubber blocks on the pressing block 14 abut against the surfaces of the corresponding clamp handle 17 and the clamp rod 18 respectively, at the same time, the first welding hole 3 is aligned with the non-straight-line welding seam of the clamp handle 17 and the clamp rod 18 in the corresponding limiting group 2, then the plurality of tensioning screws 6 are inserted into the corresponding strip-shaped holes 8 on the limiting seat 12 and are moved into the corresponding notches 7 on the pressing block 14, then the locking nuts away from the pressing block 14 are rotated to abut against the limiting seat 12, and the locking nuts close to the pressing block 14 abut against the surface of the pressing block 14, so that the fixing of the pressing block 14 and the limiting seat 12 is realized, and the fixing of the clamp handle 17 and the clamp rod 18 is also realized.

[0077] Then the mounting seat 11 is mounted on the welding platform of the welding machine through the plurality of mounting columns 25, the splicing position of the clamp rod 18 and the clamp handle 17 is welded through the first welding hole 3 by the laser welding machine, then the driving motor 133 is started, the rotating rod 15 is driven to rotate by the driving motor 133, the third welding hole 16 and the second welding hole 4 are sequentially rotated to be aligned with the welding head of the laser welding machine through the transmission between the plurality of belt pulleys 131 and the belts 132, the turning of the limiting seat 12 is realized, so that the welding of each surface of the clamp handle 17 and the clamp rod 18 is sequentially realized, the connection of the clamp rod 18 and the clamp handle 17 is realized, the embodiment not only can realize the quick limiting and fixing of the special-shaped clamp handle 17 and the clamp tip 19, but also can quickly turn the clamp handle 17 and the clamp rod 18, to a certain extent, the processing efficiency is improved, and the batch assembly and processing of the clamp handle 17 and the clamp rod 18 are facilitated.

[0078] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: all equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A welding fixture for a medical electrocoagulation clamp, characterized in that, include: A base (1) for detachable mounting to a welding device; A limiting group (2) is provided on the base (1), and multiple limiting groups (2) are distributed. Each limiting group (2) includes a tweezer handle limiting groove (201) and a tweezer bar limiting groove (202). The tweezer handle limiting groove (201) and the tweezer bar limiting groove (202) are both opened on the base (1). The tweezer handle limiting groove (201) and the tweezer bar limiting groove (202) in each limiting group (2) are connected. The shape of the tweezer handle limiting groove (201) is adapted to the shape of the end of the tweezer handle (17) near the tweezer bar (18). The shape of the tweezer bar limiting groove (202) is adapted to the shape of the end of the tweezer bar (18) near the tweezer handle (17). A capping assembly is detachably mounted on a base (1) for pressing the tweezer handle (17) and tweezer rod (18) into the tweezer handle limiting groove (201) and the tweezer rod limiting groove (202) respectively. The capping assembly has a first welding hole (3) for aligning the welding joint of the tweezer handle (17) and the tweezer rod (18). A second welding hole (4) is provided on the side of the base (1) away from the capping assembly for aligning the welding joint of the tweezer handle (17) and the tweezer rod (18). The base (1) includes a mounting base (11), a limiting base (12), and an adjusting member (13). The mounting base (11) is detachably mounted on the welding equipment. The limiting base (12) is rotatably mounted on the mounting base (11). Multiple limiting bases (12) are provided. Each limiting base (12) corresponds to a limiting group (2). The limiting group (2) is set on the corresponding limiting base (12). The pressure cap assembly corresponds to each limiting base (12). The pressure cap assembly is detachably mounted on the corresponding limiting base (12). The second welding hole (4) corresponds to each limiting base (12). The second welding hole (4) is opened on the corresponding limiting base (12). The adjusting member (13) is set on the mounting base (11). The adjusting member (13) is used to adjust the multiple limiting bases (12) to rotate synchronously. The depth of the tweezer handle limiting groove (201) on the limiting seat (12) is greater than the thickness of the tweezer handle (17), and the depth of the tweezer bar limiting groove (202) is greater than the thickness of the tweezer bar (18). The limiting seat (12) has two third welding holes (16) opposite to each other. The arrangement direction of the first welding hole (3) and the second welding hole (4) is perpendicular to the arrangement direction of the two third welding holes (16). The third welding holes (16) are used to align the joint of the tweezer handle (17) and the tweezer bar (18). The pressure cap assembly includes a pressure block (14) and a locking member. The pressure block (14) is used to abut against the surfaces of the tweezer handle (17) and tweezer bar (18) on the corresponding limiting seat (12). The first welding hole (3) is opened on the pressure block (14). The locking member is used to make the pressure block (14) detachably connected to the limiting seat (12). The limiting seat (12) is provided with rotating rods (15) at both ends. The rotating rods (15) are rotatably mounted on the mounting base (11). The adjusting component (13) includes pulleys (131), belts (132) and drive motors (133). The pulleys (131) correspond one-to-one with the limiting seat (12). The pulleys (131) are sleeved on the rotating rods (15) at the same end of the corresponding limiting seat (12). The belts (132) are wound around multiple pulleys (131). The drive motors (133) are mounted on the mounting base (11). The output shaft of the drive motors (133) is coaxially connected to any rotating rod (15).

2. The medical electrocoagulation clamp welding fixture according to claim 1, characterized in that: Both the first welding hole (3) and the second welding hole (4) include a first hole body and a second hole body connected sequentially in a direction away from the tweezer handle (17). The cross-sectional area of ​​the first hole body increases in a direction away from the tweezer handle (17) or tweezer rod (18), and the cross-sectional area of ​​the second hole body is greater than the maximum cross-sectional area of ​​the first hole body.

3. A method for processing a medical electrocoagulation clamp, using the welding fixture described in any one of claims 1-2, characterized in that, Includes the following steps: Tweezer tip (19) processing: Prepare tweezer tip (19) material. Select silver-copper alloy as tweezer tip (19) material. Clamp the tweezer tip (19) material on a CNC engraving machine for processing to obtain shaped tweezer tip (19); Tweezer handle (17) processing: prepare stainless steel powder and lubricant, then add 99% stainless steel powder and 1% lubricant and mix evenly. Then, use a press to form a high-pressure molding at 700-800MPa, and then sinter at a high temperature of 1250℃-1350℃ to obtain tweezer handle (17). Tweezers bar (18) processing: prepare stainless steel powder and lubricant, then add 99% stainless steel powder and 1% lubricant and mix evenly. Then press it to form a high pressure of 700-800MPa using a press machine. Finally, sinter it at a high temperature of 1250℃-1350℃ to obtain tweezers bar (18). The tweezer handle (17) is welded to the tweezer rod (18). Multiple tweezer handles (17) are placed into the tweezer handle limiting groove (201) of the base (1) in sequence, and multiple tweezer rods (18) are placed into the corresponding tweezer rod limiting groove (202) in sequence, so that the tweezer rod (18) and the tweezer handle (17) are spliced. The second welding hole (4) is aligned with the splice of the tweezer rod (18) and the tweezer handle (17) on the side of the base (1) to realize the limiting of multiple tweezer handles (17) and tweezer rods (18) in the X and Y directions. Then, the pressure cap assembly is installed on the base (1). The first welding hole (3) on the pressure cap assembly is aligned with the splice of the tweezer rod (18) and the tweezer handle (17) on the side of the pressure cap assembly. Then, the tweezer rod (18) and the tweezer handle (17) are welded by passing through the first welding hole (3) and the second welding hole (4) with a laser welding machine to connect the tweezer rod (18) and the tweezer handle (17). The tweezers tip (19) is welded to the tweezers bar (18) after being connected to the tweezers handle (17); The infusion tube (20) is installed by welding the stainless steel infusion tube (20) into the corresponding cavity (22) of the tweezer handle (17) and tweezer rod (18) to obtain the electrocoagulation clamp tweezer product.

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