A puncture core assembly and a puncture device having the same

Abstract

The invention discloses a puncture core assembly and a puncture outfit with the same. The puncture core assembly disclosed by the invention comprises a puncture core rod, a puncture end and at least one separation structure, wherein the rear end of the puncture end is connected to the front end of the puncture core rod; each separation structure is positioned on the outer wall of the puncture end; each separation structure comprises at least one first curved surface and at least one second face; each first curved surface is smoothly connected with the outer wall of the puncture end; a cutting edge is formed between each first curved surface and the corresponding second face. According to the puncture core assembly and the puncture outfit with the same, which are disclosed by the invention, on one hand, unidirectional separation of the separation structures can effectively reduce damage of the cutting edges to a wound of a patient in the puncturing process, and the puncture core assembly and the puncture outfit with the same are easy to operate and reliable in structure; on the other hand, strength of the puncture cutting edges is reinforced, and the puncture cutting edges are difficult to deform, so that an accidental injury of fracture of the cutting edges to the patient is effectively prevented, operation time can be shortened, and operation efficiency is improved.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a puncture core assembly and a puncturer with the same. Background technique [0002] In abdominal examination, abdominal surgery and other minimally invasive or surgical operations, trocar is an indispensable surgical instrument. The puncture device can establish an access channel in the abdominal wall of the human body, so that the laparoscope or other surgical instruments (such as endoscopes, scissors, staplers, guide wires, catheters, filters, stents, etc.) Channels to control the pneumoperitoneum required for surgery for examination or surgical manipulation. At the beginning of a minimally invasive laparoscopic medical operation, the doctor generally makes a small incision in the patient's abdomen, and then aligns the apex of the puncture end with the small incision and moves it downward while reciprocating left and right. through the patient's abdominal cortex. [0003] ...

AI Technical Summary

Problems solved by technology

[0003] In the existing puncture core assembly, the separation structure of the puncture end is generally a sheet structure, and both sides are in a sharp state. Both will damage the patient's wound; on the other hand, the thin sheet structure of the separated structure has low strength, is easy to deform and break, and causes accidental injury to the patient, affecting the normal operation of the operation.

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