Trocar Needle With Locking Stylet

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What is a trocar needle used for?

Abstract. Trocars are used in laparoscopic surgery and other minimally invasive procedures (MIS) to make small, puncture-like incisions in the outer tissue layers. These incisions allow the surgeon to insert cannulas through which surgical instruments can be introduced.

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Trocar Needle with Locking Stylet

A medical puncture trocar capable of rapidly and continuously draining blood and pus belongs to the technical field of medical devices. It is equipped with an inner puncture needle that can be freely advanced or retreated in a transparent outer casing. The head of the inner puncture needle is sealed with the outer casing by a sealing ring. The head of the inner puncture needle is in the shape of a sharp cone. One end of the drainage tube enters the outer cannula through the cannula side tube. After confirming that it enters the body cavity, slowly pull out the outer cannula and the drainage tube is placed. The medical puncture trocar has the characteristics of convenient cannulation, not easy to be blocked, and can quickly and continuously drain the viscous blood and pus in the fluid cavity.

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