Petal-shaped damping puncture apparatus for anterior mediastinum minimally invasive surgery and using method of puncture apparatus

Abstract

The invention discloses a petal-shaped damping puncture device for minimally invasive surgery on the anterior mediastinum, which comprises a guider and a cannula arranged through, and a puncture rod for penetrating into the lumen of the guider and the cannula. The damping outer sleeve can reciprocate along it. The middle section of the damping outer sleeve is provided with an upper telescopic structure. The damping outer sleeve is provided with a lower telescopic structure near the outlet of the sleeve. The bottom end of the lower telescopic structure is fixedly connected to the outlet of the sleeve. , the damping outer sleeve is used to make the upper telescopic structure and the lower telescopic structure respectively expand outwards in the shape of petals when it moves relative to the sleeve, so as to fit on the skin surface and human tissue respectively. The present invention also discloses The use method of the petal-shaped damping puncture device for anterior mediastinum minimally invasive surgery solves the problem that the puncture device cannot be accurately fixed on the body cavity wall of a human body and closely adheres to the inner wall of the body cavity in the existing novel anterior mediastinum minimally invasive surgery.

Description

technical field [0001] The invention belongs to the technical field of medical instruments, and relates to a petal-shaped damping puncture device for anterior mediastinum minimally invasive surgery and a use method thereof. Background technique [0002] Patients with myasthenia gravis require surgery before a complete cure is possible. Although the new anterior mediastinal minimally invasive surgery can completely remove the lesion, due to the anatomical structure, the space at the left and right cardiophrenic angles is extremely narrow, and it is very difficult to remove the fat here, requiring the use of very fine surgical instruments. The ideal trocar for the new anterior mediastinal minimally invasive surgery should have the following characteristics: ①The length of the trocar into the body cavity should be as short as possible, and it should be close to the cavity wall; ; ③ The trocar cannot come out of the body cavity; ④ It has an airway for carbon dioxide to enter; ⑤...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a petal-shaped damping puncture device for minimally invasive surgery of the anterior mediastinum and its use method, to solve the problem that the puncture device cannot be accurately fixed on the body cavity wall of the human body and cling to Problems with the lining of a body cavity

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