Cavity tube adjusting instrument

Abstract

The invention provides a cavity tube adjusting instrument. The cavity tube adjusting instrument comprises a body, a first surrounding piece and a second surrounding piece, the first surrounding piece and the second surrounding piece can be combined with each other to form a surrounding part capable of surrounding a target lumen in the circumferential direction; the first surrounding piece and the second surrounding piece can synchronously move in a reciprocating mode relative to the body so as to adjust the sectional area of the surrounding part, and the cross section of the target cavity tube can deform to different degrees according to the different sectional areas of the surrounding part. Therefore, the flow rate of the liquid in the target cavity tube can be conveniently and accurately regulated and controlled, and the flow rate regulating device has the advantage of being short in operation stroke.

Description

technical field [0001] The embodiments of the present application relate to the technical field of medical devices, in particular to a lumen adjustment device. Background technique [0002] With the development of medical census, more and more tumors can be diagnosed in time, and surgical treatment is still the main treatment method for solid tumors. Among them, when performing surgery on solid organs with rich blood vessels and high blood flow, such as the liver, whose systemic blood circulates every 25 seconds, intraoperative bleeding control is often the key to the success of the operation. [0003] Modern liver surgery has always been developing with minimally invasive operations such as laparoscopy. However, in the past, the technology of vascular occlusion of the liver was summarized and directly applied to the laparoscopic environment. The technical threshold of hepatic resection is high, and it is not easy to popularize; 2. Hepatic resection, which is prone to massi...

AI Technical Summary

Problems solved by technology

[0003] Modern liver surgery has always been developing with minimally invasive operations such as laparoscopy. However, in the past, the technology of vascular occlusion of the liver was summarized and directly applied to the laparoscopic environment. The technical threshold of hepatic resection is high, and it is not easy to popularize; 2. Hepatic resection, which is prone to massive bleeding, cannot be safely performed in a laparoscopic environment, which will increase the damage of laparoscopic surgery; Sub-specific procedures are blocked, and the complicated process increases the length and risk of surgery

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