CN212661915U - Detachable bipolar electric coagulation forceps - Google Patents

Abstract

The utility model discloses a detachable bipolar coagulation forceps, which comprises a forceps body and a forceps head assembly, wherein a first guide hole and a second guide hole are arranged in the forceps body, a slide block is connected in the first guide hole in a sliding way, an elastic handle is arranged on the forceps body, one end of the elastic handle is connected with the forceps body, and the other end of the elastic handle is connected with the slide block; the clamp head assembly comprises an inner tube body and an outer sleeve sleeved on the inner tube body, one end of the inner tube body is provided with a first clamp body and a second clamp body which are respectively connected with a power supply, an insulating layer is arranged between the first clamp head and the second clamp head, and the other end of the inner tube body penetrates through a second guide hole and is detachably connected with the sliding block; one end of the outer sleeve is detachably connected with the forceps body. The utility model discloses can change different types of binding clip assemblies as required, facilitate the use.

Description

Detachable bipolar electric coagulation forceps

Technical Field

The utility model relates to a hemostasis instrument, in particular to can dismantle bipolar coagulation pincers.

Background

Bipolar coagulation forceps are currently a common hemostatic tool. When the electric coagulation forceps are used, the electric coagulation forceps are operated to enable the two forceps heads to be in contact with a wound, local high temperature is generated at the wound under the action of high-frequency current, bleeding tissues are heated to enable protein to be coagulated, and a blood vessel inner cavity is reduced or blocked, so that the effect of stopping bleeding is achieved. Generally, different forceps heads need to be used for wounds in different conditions, and the forceps heads of the existing bipolar coagulation forceps cannot be replaced, so that the use is inconvenient.

Such as: chinese patent publication No. CN207734218U, the utility model discloses a medical bipolar coagulation pincers, including binding clip, pincers handle and high frequency cable be equipped with a sealed cavity in the pincers handle, install power, switch circuit board, high frequency generator and the coupler of electricity federation in proper order in this cavity, the high frequency cable passes the binding clip and the pincers handle is connected between binding clip and coupler, is equipped with the contact switch who is used for control switch circuit board electric current switch-on the pincers handle of cavity one side. The utility model discloses a weak point lies in: when the medical bipolar coagulation forceps are used, the forceps heads cannot be replaced, and the use is inconvenient.

Disclosure of Invention

The utility model aims at solving the current bipolar coagulation pincers can't change the binding clip, lead to using comparatively inconvenient problem, provide a can dismantle bipolar coagulation pincers, can effectively solve above-mentioned problem.

The utility model aims at realizing through the following technical scheme: a detachable bipolar coagulation forceps comprises a forceps body and a forceps head assembly, wherein a first guide hole and a second guide hole are formed in the forceps body, a sliding block is connected in the first guide hole in a sliding mode, an elastic handle is arranged on the forceps body, one end of the elastic handle is connected with the forceps body, and the other end of the elastic handle is connected with the sliding block; the clamp head assembly comprises an inner tube body and an outer sleeve sleeved on the inner tube body, one end of the inner tube body is provided with a first clamp body and a second clamp body which are respectively connected with a power supply, and the other end of the inner tube body passes through a second guide hole and is detachably connected with the sliding block; one end of the outer sleeve is detachably connected with the forceps body.

The utility model discloses in, first binding clip and second binding clip are two elastic sheetmetals that have of buckling the form, when not using, first binding clip and second binding clip open each other and form certain contained angle, when using, make the slider slide along first guiding hole through pressing down elastic handle, the slider slides and drives interior body and first binding clip and second binding clip inwardly movable, because the outer tube is motionless, first binding clip and second binding clip are owing to receive the restraint of outer tube at the in-process of inwardly moving like this, thereby two binding clips draw in and contact with the wound, make the wound produce local high temperature under the high frequency current effect, the tissue that bleeds of heating makes protein solidify, the blood vessel inner chamber diminishes or is blocked up and reaches hemostatic effect. An insulating layer is arranged between the first binding clip and the second binding clip, so that the first binding clip and the second binding clip are insulated, and short circuit between the first binding clip and the second binding clip is avoided. When the tong head assembly is replaced, the whole tong head assembly can be disassembled only by disconnecting the connection between the inner pipe body and the sliding block and then disconnecting the connection between the outer sleeve and the tong body, then the needed tong head assembly is installed, the inner pipe body is connected to the sliding block firstly, and then the outer sleeve is installed on the tong body, so that the replacement of the tong head assembly is completed. The utility model discloses can change different types of binding clip assemblies as required, facilitate the use.

Preferably, a clamping head is arranged at one end, away from the first tong head, of the inner pipe body, a groove is formed in the sliding block, a clamping hook matched with the clamping head is arranged in the groove, and one end of the clamping hook is rotatably connected to the inner wall of the groove; a first oil cylinder and a second oil cylinder are arranged in the groove, the first oil cylinder comprises a first cylinder body, a first piston arranged in the first cylinder body, and a first ejector rod connected to the first piston, and the first ejector rod is abutted to the chuck; the second oil cylinder comprises a second cylinder body, a second piston arranged in the second cylinder body and a second ejector rod connected with the second piston, one end of the second ejector rod is abutted against one side, close to the chuck, of the clamping hook, and a spring is arranged between one side, far away from the chuck, of the clamping hook and the inner wall of the groove; a connecting pipe is arranged between the first cylinder body and the second cylinder body, and a bidirectional flow control mechanism is arranged in the connecting pipe. The first oil cylinder and the second oil cylinder are filled with hydraulic oil. When the inner pipe body is connected with the sliding block, only the clamping head needs to be directly inserted into the groove, and the clamping hook can hook the clamping head under the action of the spring, so that the connection between the two types is realized; when the inner pipe body is disassembled, the inner pipe body is moved inwards for a certain distance, when the inner pipe body moves inwards, the first ejector rod and the piston are pushed to move inwards, so that hydraulic oil in the first oil cylinder is pressed into the second oil cylinder, the hydraulic oil in the second oil cylinder is increased, the second ejector rod is pushed to move upwards, the second ejector rod pushes the clamping hook to rotate upwards and separate from the clamping head, then the inner pipe body is pulled out, in the process, the speed of the hydraulic oil in the second oil cylinder flowing back to the first oil cylinder can be reduced through the bidirectional flow control mechanism, and therefore after the clamping head is separated from the first ejector rod, the clamping hook can rotate downwards slowly, and the inner pipe body and the clamping head can be pulled out within enough time.

Preferably, the bidirectional flow control mechanism comprises a partition plate arranged in the connecting pipe, a large flow hole and a small flow hole are formed in the partition plate, a valve ball is arranged at one end, close to the second cylinder, of the large flow hole, an elastic pressing sheet is arranged on the inner wall of the connecting pipe, and the elastic pressing sheet abuts against one side, close to the second cylinder, of the valve ball. When the hydraulic oil in the first oil cylinder flows into the second oil cylinder, the valve ball on the large-flow hole is flushed by the hydraulic oil, the large-flow hole and the small-flow hole can be opened simultaneously, the flow rate of the hydraulic oil flowing into the second oil cylinder from the first oil cylinder is high, the second ejector rod is jacked upwards at a high speed, and therefore the clamping hook can rotate upwards quickly to be separated from the clamping head; when the hydraulic oil in the second oil cylinder flows into the first oil cylinder, the valve ball blocks the large flow hole, the large flow hole is in a closed state, the hydraulic oil can only flow through the small flow hole, the backflow speed of the hydraulic oil is low, the descending speed of the second ejector rod is low, and therefore the clamping hook slowly rotates downwards under the action of the spring, and the fact that the inner pipe body and the clamping head have enough time to be pulled out is guaranteed.

Preferably, the chuck is in a circular truncated cone shape.

Preferably, the inner tube body is sleeved with a first conducting ring and a second conducting ring, and the first tong head and the second tong head are respectively and electrically connected with the first conducting ring and the second conducting ring through first wires; two mounting grooves corresponding to the first conducting ring and the second conducting ring are formed in the inner wall of the second guiding hole, an electric contact piece in contact with the first conducting ring or the second conducting ring is arranged in each mounting groove, and the electric contact piece is electrically connected with a power interface arranged on the clamp body through a second conducting wire. The power interface is used for connecting a power supply device, and current generated by the power supply device is transmitted to the electric contact piece through the power interface and the second wire and then transmitted to the first tong head and the second tong head through the conducting ring and the first wire respectively.

Preferably, the clamp body is provided with a threaded sleeve, and one end of the outer sleeve is provided with an external thread matched with the threaded sleeve.

Preferably, the elastic handle is U-shaped.

The utility model has the advantages that: the utility model discloses can change different types of binding clip assemblies as required, facilitate the use.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a cross-sectional view of the caliper body.

Fig. 3 is a cross-sectional view of the jawarm assembly.

Fig. 4 is an enlarged view of the portion C in fig. 3.

Fig. 5 is an enlarged view of a portion D in fig. 3.

Fig. 6 is an enlarged view of a portion a in fig. 1.

Fig. 7 is an enlarged view of a portion B in fig. 1.

Fig. 8 is an enlarged view of a portion E of fig. 7.

In the figure: 1. the clamp comprises a clamp body, a first guide hole, a clamp body, a slide block, a clamp body, a second clamp body, a power supply interface, a mounting groove, a power supply interface.

Detailed Description

The invention will be further described with reference to the following detailed description and accompanying drawings.

Example 1:

as shown in figures 1 to 8, the detachable bipolar coagulation forceps comprise a forceps body 1 and a forceps head assembly. The caliper body 1 is made of an insulating material. In this embodiment, the forceps body 1 is made of plastic. A first guide hole 2 and a second guide hole 11 are arranged in the pliers body 1. The first guide hole 2 and the second guide hole 11 are coaxially arranged. The first guide hole 2 communicates with the second guide hole 11. The second guiding hole 11 extends to one end of the forceps body 1. A sliding block 3 is slidably connected in the first guide hole 3. The forceps body 1 is provided with an elastic handle 4, and the elastic handle 4 is U-shaped. One end of the elastic handle 4 is connected with the forceps body 1, and the other end is connected with the sliding block 3. When the elastic handle 4 is pressed, the sliding block 3 is driven to slide along the first guide hole 2.

The plier head assembly comprises an inner tube body 7 and an outer sleeve 6 sleeved on the inner tube body 7. One end of the inner tube 7 is provided with a first pincer body 8 and a second pincer body 9. The first binding clip 8 and the second binding clip 9 are two bent elastic metal sheets, and the first binding clip and the second binding clip are mutually opened to form a certain included angle. An insulating layer 16 is arranged between the first clamp 8 and the second clamp head 9, and the insulating layer 16 is made of insulating ceramic. One end of the inner pipe body 7, which is far away from the first tong head 8, passes through the second guide hole 11 and is detachably connected with the slide block 3, and one end of the outer sleeve 6 is detachably connected with the tong body 1.

The inner tube 7 is made of an insulating material. The inner tube 7 is sleeved with a first conductive ring 18 and a second conductive ring 19. The first and second jaws 8, 9 are electrically connected to first and second conductive rings 18, 19, respectively, by first conductive wires 14. Two mounting grooves 12 corresponding to the first conductive ring 18 and the second conductive ring 19 are respectively formed on the inner wall of the second guide hole 11, and an electrical contact 20 contacting with the first conductive ring 18 or the second conductive ring 19 is respectively formed in the two mounting grooves 12. The clamp body 1 is provided with a power interface 10, and the power interface 10 is used for connecting a power supply device. The electrical contacts 20 are electrically connected to the power interface 10 by second wires 21. The clamp body 1 is provided with a wire guide hole 13 through which a second wire 21 can pass. The current generated by the power supply device is transmitted to the electric contact 20 through the power interface 10 and the second wire 21, and then transmitted to the first binding clip 8 and the second binding clip 9 through the conductive ring and the first wire 14, respectively.

Be provided with threaded sleeve 5 on the pincers body 1, be provided with the internal thread in the threaded sleeve 5, the one end of outer tube 6 is provided with the external screw thread with threaded sleeve 5 matched with.

One end of the inner pipe body, which is far away from the first tong head 8, is provided with a clamping head 15, and the clamping head 15 is in a circular truncated cone shape. The sliding block is provided with a groove 22, a clamping hook 23 matched with the clamping head is arranged in the groove 22, and one end of the clamping hook 23 is rotatably connected on the inner wall of the groove 22. The groove 22 is provided with a first oil cylinder and a second oil cylinder, the first oil cylinder comprises a first cylinder body 25, a first piston 26 arranged in the first cylinder body 25 and a first ejector rod 27 connected to the first piston 26, and the first ejector rod 27 is abutted to the chuck 25. The second oil cylinder comprises a second cylinder body 28, a second piston 29 arranged in the second cylinder body 28 and a second ejector rod 30 connected with the second piston 29, one end of the second ejector rod 30 is abutted against one side, close to the chuck 15, of the hook 23, and a spring 24 is arranged between one side, far away from the chuck 25, of the hook 23 and the inner wall of the groove. A connecting pipe 31 is arranged between the first cylinder 25 and the second cylinder 28, and the first cylinder and the second cylinder are filled with hydraulic oil. A bidirectional flow control mechanism is provided in the connection pipe 31. The bidirectional flow control mechanism comprises a partition plate 32 arranged in the connecting pipe 31, a large flow hole 33 and a small flow hole 34 are arranged on the partition plate 32, a valve ball 35 is arranged at one end, close to the second cylinder 28, of the large flow hole 33, an elastic pressing sheet 36 is arranged on the inner wall of the connecting pipe 31, and the elastic pressing sheet 36 abuts against one side, close to the second cylinder, of the valve ball 35. When the inner pipe body is connected with the sliding block, only the clamping head needs to be directly inserted into the groove, and the clamping hook can hook the clamping head under the action of the spring, so that the connection between the two types is realized; when the inner pipe body is disassembled, the inner pipe body is moved inwards for a certain distance, when the inner pipe body moves inwards, the first ejector rod and the piston are pushed to move inwards, so that hydraulic oil in the first oil cylinder is pressed into the second oil cylinder, the hydraulic oil in the second oil cylinder is increased, the second ejector rod is pushed to move upwards, the second ejector rod pushes the clamping hook to rotate upwards and separate from the clamping head, then the inner pipe body is pulled out, in the process, the speed of the hydraulic oil in the second oil cylinder flowing back to the first oil cylinder can be reduced through the bidirectional flow control mechanism, and therefore after the clamping head is separated from the first ejector rod, the clamping hook can rotate downwards slowly, and the inner pipe body and the clamping head can be pulled out within enough time. When the hydraulic oil in the first oil cylinder flows into the second oil cylinder, the valve ball on the large-flow hole is flushed by the hydraulic oil, the large-flow hole and the small-flow hole can be opened simultaneously, the flow rate of the hydraulic oil flowing into the second oil cylinder from the first oil cylinder is high, the second ejector rod is jacked upwards at a high speed, and therefore the clamping hook can rotate upwards quickly to be separated from the clamping head; when the hydraulic oil in the second oil cylinder flows into the first oil cylinder, the valve ball blocks the large flow hole, the large flow hole is in a closed state, the hydraulic oil can only flow through the small flow hole, the backflow speed of the hydraulic oil is low, the descending speed of the second ejector rod is low, and therefore the clamping hook slowly rotates downwards under the action of the spring, and the fact that the inner pipe body and the clamping head have enough time to be pulled out is guaranteed.

The utility model discloses when using, make the slider slide along first guiding hole through pressing down the elastic handle, the slider slides and drives interior body and first binding clip and second binding clip inward movement, because the outer tube is motionless, first binding clip and second binding clip are owing to receive the restraint of outer tube at the in-process of inward movement like this, thereby two binding clips draw in and contact with the wound, make wound department produce local high temperature under the high frequency current effect, the tissue that bleeds heats makes protein solidify, the blood vessel inner chamber diminishes or is blocked up and reaches hemostatic effect. An insulating layer is arranged between the first binding clip and the second binding clip, so that the first binding clip and the second binding clip are insulated, and short circuit between the first binding clip and the second binding clip is avoided. When the tong head assembly is replaced, the whole tong head assembly can be disassembled only by disconnecting the connection between the inner pipe body and the sliding block and then disconnecting the connection between the outer sleeve and the tong body, then the needed tong head assembly is installed, the inner pipe body is connected to the sliding block firstly, and then the outer sleeve is installed on the tong body, so that the replacement of the tong head assembly is completed. The utility model discloses can change different types of binding clip assemblies as required, facilitate the use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims (7)

1. The utility model provides a can dismantle bipolar coagulation pincers, includes the pincers body, binding clip assembly which characterized in that: a first guide hole and a second guide hole are formed in the forceps body, a sliding block is connected in the first guide hole in a sliding mode, an elastic handle is arranged on the forceps body, one end of the elastic handle is connected with the forceps body, and the other end of the elastic handle is connected with the sliding block; the clamp head assembly comprises an inner tube body and an outer sleeve sleeved on the inner tube body, one end of the inner tube body is provided with a first clamp body and a second clamp body which are respectively connected with a power supply, and the other end of the inner tube body passes through a second guide hole and is detachably connected with the sliding block; one end of the outer sleeve is detachably connected with the forceps body.

2. The detachable bipolar electrocoagulation pliers according to claim 1, wherein a clamp is arranged at one end of the inner pipe body, which is far away from the first pliers head, a groove is formed in the sliding block, a clamping hook matched with the clamp is arranged in the groove, and one end of the clamping hook is rotatably connected to the inner wall of the groove; a first oil cylinder and a second oil cylinder are arranged in the groove, the first oil cylinder comprises a first cylinder body, a first piston arranged in the first cylinder body, and a first ejector rod connected to the first piston, and the first ejector rod is abutted to the chuck; the second oil cylinder comprises a second cylinder body, a second piston arranged in the second cylinder body and a second ejector rod connected with the second piston, one end of the second ejector rod is abutted against one side, close to the chuck, of the clamping hook, and a spring is arranged between one side, far away from the chuck, of the clamping hook and the inner wall of the groove; a connecting pipe is arranged between the first cylinder body and the second cylinder body, and a bidirectional flow control mechanism is arranged in the connecting pipe.

3. The detachable bipolar electrocoagulation pliers of claim 2, wherein the bidirectional flow control mechanism comprises a partition plate arranged in the connecting pipe, the partition plate is provided with a large flow hole and a small flow hole, one end of the large flow hole close to the second cylinder is provided with a valve ball, the inner wall of the connecting pipe is provided with an elastic pressing sheet, and the elastic pressing sheet abuts against one side of the valve ball close to the second cylinder.

4. A detachable bipolar electrocoagulation pliers according to claim 2, wherein the cartridge is frustoconical.

5. The detachable bipolar electrocoagulation clamp according to claim 1, wherein the inner tube is sleeved with a first conductive ring and a second conductive ring, and the first tong head and the second tong head are electrically connected with the first conductive ring and the second conductive ring respectively through a first lead; two mounting grooves corresponding to the first conducting ring and the second conducting ring are formed in the inner wall of the second guiding hole, an electric contact piece in contact with the first conducting ring or the second conducting ring is arranged in each mounting groove, and the electric contact piece is electrically connected with a power interface arranged on the clamp body through a second conducting wire.

6. A detachable bipolar electrocoagulation clamp according to claim 1, wherein a threaded sleeve is provided on the clamp body, and one end of the outer sleeve is provided with an external thread which is matched with the threaded sleeve.

7. The removable bipolar electrocoagulation pliers of claim 1, wherein the resilient handles are "U" shaped.

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