Cleaning tool of ESD electrotome with injection function

Abstract

The invention discloses a cleaning tool of an ESD electrotome with an injection function. The cleaning tool comprises an inner needle, a sleeve and a reset spring, wherein the sleeve is in sleeving on the outer side of the inner needle; a needle tip is arranged at the front end of the inner needle, a driving rod is arranged at the rear part, a clamping ring is arranged in the middle of the driving rod, a pressing part is arranged at the tail end, and a transition part is arranged between the tail end of the needle tip and the driving rod; the front end of the sleeve is provided with an ESD electrotome insertion groove and a containing cavity for containing the inner needle; a needle hole is arranged on the middle position of the bottom of the ESD electrotome insertion groove; the inner needle is arranged in the containing cavity; the clamping ring slides in the containing cavity and achieves a limiting effect; and the reset spring pushes the inner needle to move to the direction away from the ESD electrotome insertion groove. The cleaning tool is simple in operation, and surgery time can be greatly saved. When an injection hole dredging operation is carried out, the electrotome and the injection hole are effectively protected and prevented from being damaged. In an electrotome dredging process, the inner needle is located in the sleeve in the whole process, medical staff can not be punctured, and secondary infection is avoided.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a cleaning tool for an ESD electric knife with an injection function. Background technique [0002] With the development of ESD electric knife (high-frequency electric knife) technology and the demand of ESD endoscopic surgery, ESD electric knife has a structure with injection function. [0003] The new ESD electric knife with injection function has 3 injection methods: injection around the knife handle, injection through the injection hole next to the knife handle, and injection through the injection hole in the center of the knife head. It can effectively reduce the frequent replacement of instruments during the operation and greatly shorten the operation time. However, the great disadvantage of the ESD electric knife with injection function is that it is easy to burn tissue adhesion and blockage of injection hole when cutting tissue. [0004] In the prior art, the solution...

AI Technical Summary

Problems solved by technology

The method of increasing the injection pressure will cause the drug to be sprayed out, wasting the drug and polluting the environment of the operating room; while the method of directly using a fine needle to unclog it has the risk of puncturing the finger or causing secondary infection due to the exposure of the fine needle needle

Also, due to the small size of the injection hole, it is difficult to align the injection hole with a thin needle, resulting in prolonged operation time

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