Handheld Laparoscopic Instruments

Abstract

The invention relates to a hand-held laparoscopic instrument, which comprises an instrument body, a connection bracket, a base, an end execution mechanism, a handle mechanism, a first transmission mechanism and a second transmission mechanism, to achieve horizontal movement, the handle mechanism is subjected to horizontal swinging, the base is rotated by taking the axis of a second rotating shaft as center to drive a transmission member to move, and the transmission member drives the end actuating mechanism to rotate by taking the axis of a first rotating shaft to realize the horizontal motion of the end actuating mechanism. To achieve the pitching, the handle mechanism is rotated together by taking an outer shaft of the handle as the axis, and the handle mechanism pulls a transmission line, and the drive line is fixed to the end execution mechanism by winding the end execution mechanism, and the drive line transmits the pulling force of the handle mechanism to the end execution mechanism for driving the end execution mechanism to perform the pitching motion. Therefore, the above-mentioned hand-held laparoscopic instrument can realize horizontal motion and pitching motion, improves the degree of freedom, improves flexibility and fluency, and can satisfy the fast and accurate pointing of the laparoscopic instrument.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a hand-held endoscopic instrument. Background technique [0002] Laparoscopic surgery is a surgical method in which several small holes are made on the patient's body surface, and then a camera lens and one or more instruments are inserted into the patient's body cavity through the small holes for surgical operations. Because laparoscopic surgery has the advantages of small trauma, beautiful incision (only a few small holes on the body surface), short hospital stay, and a camera that penetrates into the body cavity to see more clearly, it has developed rapidly. [0003] As people's demand for minimally invasive surgery continues to increase, higher requirements are placed on the flexibility and fluency of endoscopic instruments. However, at present, the endoscopic instruments used for laparoscopic surgery generally have the problem of low degree of freedom, which lea...

AI Technical Summary

Problems solved by technology

However, at present, the endoscopic instruments used for laparoscopic surgery generally have the problem of low degree of freedom, which leads to the inability to meet the fast and accurate pointing of endoscopic instruments in some highly difficult minimally invasive operations, which not only affects It improves the operating flexibility and fluency of the operator, and is also a bottleneck restricting the further development of endoscopic instruments.

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