A bipolar coagulation forceps

By introducing a tube guide and switching element design into the bipolar electrocoagulation clamp, the problems of tube stability and replacement are solved, achieving stable dripping and rapid positioning of the tube, and improving stability and operability during use.

CN224505565UActive Publication Date: 2026-07-17宁海县第一医院
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
宁海县第一医院
Filing Date
2025-03-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The injection tubing of existing bipolar electrocoagulation forceps is not stable enough during use. It is prone to bending or displacement due to instrument movement or tissue traction, which affects the cooling effect and may contaminate non-target tissues. Furthermore, it is difficult to accurately position the injection tubing when changing it, which is time-consuming and labor-intensive.

Method used

A bipolar electrocoagulation clamp with a tube guide was designed. The clamp body and clamp head assembly are connected by a shaft. The injection tube extends from the injection port to the tube guide to ensure that the liquid outlet is close to the clamp head. An insulated rigid hollow tube body is used to provide rigid support and reduce shaking. The liquid flow is controlled by the switch of the clamp head assembly to achieve rapid positioning and replacement.

Benefits of technology

It improves the drip stability and replacement accuracy of the injection tube, reduces the risk of liquid deviation and contamination, simplifies the replacement process, ensures that the liquid acts directly on the electrocoagulation area, and reduces the risk of thermal damage.

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Abstract

The application discloses a bipolar electrocoagulation forceps, comprising: a forceps body assembly, the forceps body assembly is provided with a liquid injection port, the liquid injection port is provided with a liquid injection pipe, and the liquid injection port is connected with a liquid adding pump; a forceps head assembly, the forceps body assembly and the forceps head assembly are connected through a shaft, the forceps head assembly comprises: a forceps head connecting seat and a forceps head, one end of the forceps head connecting seat is fixedly connected with the shaft, the other end is in transmission connection with the forceps head, the forceps head connecting seat is provided with a pipe guiding part towards the forceps head, the liquid injection pipe extends to the pipe guiding part from one end of the liquid injection port through the shaft, and then is led out towards the forceps head; wherein the liquid adding pump provides liquid, the liquid is introduced from the liquid injection port, reaches the forceps head through the liquid injection pipe and is led out. The pipe guiding part arranged at the position of the forceps head assembly realizes the guiding effect of the liquid injection pipe, reduces the shaking of the end of the liquid injection pipe, reduces the bending or deviation of the liquid injection pipe at the position of the forceps head assembly, and improves the accuracy of replacement of the liquid injection pipe.
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Claims

1. A bipolar coagulation forceps, characterized by, include: The clamp body assembly is provided with a liquid injection port, a liquid injection tube is provided inside the liquid injection port, and a liquid injection pump is connected to the outside of the liquid injection port; The plier head assembly is connected to the plier body assembly via a shaft, and the plier head assembly includes: The clamp head connecting seat and the clamp head are provided. One end of the clamp head connecting seat is fixedly connected to the shaft, and the other end is drivenly connected to the clamp head. The clamp head connecting seat is provided with a tube guide portion facing the clamp head. The liquid injection tube extends from one end of the liquid injection port through the shaft to the tube guide portion, and then leads out from the tube guide portion towards the clamp head. The liquid pump provides liquid, which is introduced through the injection port and exited through the injection tube at the clamp head.

2. The bipolar coagulating forceps according to claim 1, wherein The clamp head connector includes: The base and the annular surrounding part are provided. One end of the base is fixedly connected to the shaft, and the other end is connected to the annular surrounding part. The tube guide extends from the base and is placed inside the annular surrounding part. The annular surrounding part has an opening on the side facing the clamp head for the injection tube to extend out.

3. The bipolar electrocoagulation clamp as described in claim 2, characterized in that, The annular enclosure has an open side section.

4. The bipolar electrocautery clamp as described in claim 2, characterized in that, The clamp head includes a first electrode head and a second electrode head. The first electrode head is connected to the annular surrounding portion, and the second electrode head is connected to the base via a transmission component.

5. The bipolar electrocoagulation clamp as described in claim 1, characterized in that... The end of the tube guide near the clamp head has a tapered opening to guide the injection tube out.

6. The bipolar electrocoagulation clamp as described in claim 4, characterized in that, The first electrode head and the second electrode head surround and define a receiving portion, and when the injection tube extends out from the opening, the end of the injection tube is located within the receiving portion.

7. The bipolar coagulating forceps according to claim 6, wherein The clamp assembly also includes: A switch element connected to the clamp head connector, wherein the switch element is closed to prevent the injection tube from extending into the receiving portion; When the injection tube needs to drip water, the switch is turned on so that the injection tube extends into the receiving part.

8. The bipolar coagulating forceps according to claim 7, wherein, The switching element includes: The connecting rod and the top cover body are provided. One end of the connecting rod is rotatably connected to the pliers head connecting seat, and the other end of the connecting rod is connected to the top cover body. The top cover body is located in the receiving part so that it can rotate relative to the pliers head connecting seat through the connecting rod, thereby driving the top cover body to cover or avoid the opening. When the injection tube is not needed to drip water, the top cover body covers the opening to prevent the injection tube from extending into the receiving part. When the injection tube is needed to drip water, the top cover body avoids the opening so that the injection tube can extend into the receiving part.

9. The bipolar electrocoagulation clamp as described in claim 8, characterized in that, The top cover body includes a side wall and a bottom plate, which together form a liquid-containing cavity.

10. The bipolar electrocoagulation clamp as described in claim 9, characterized in that, A positioning groove is provided around the opening. When the top cover body covers the opening, the side wall of the top cover body is embedded in the positioning groove.