Negative pressure suction type tumor excision device

Abstract

The invention relates to the technical field of minimally invasive surgical equipment for breast tumors, in particular to a negative pressure suction type tumor excision device. The device comprises anegative pressure tube, a cover, a guide pin, a knife handle, a first spring, a limiting part and a knife head; a vertically downward suction opening is formed in the left end of the negative pressure tube, the cover fixedly sleeves the negative pressure tube, a space exists between the cover and the negative pressure tube; a guide long hole matched with the guide pin is arranged on the knife handle; the first spring sleeves the guide pin and is located between the cover and the knife handle; the limiting part comprises a rotary knob, a limiting shaft, a first limiting plate and a second limiting plate; the limiting shaft slidingly cooperates with a through hole formed in the cover; a bump is fixedly arranged outside the cover, and a groove matched with the second limiting plate is formedin the bump; the knife head is arranged between the negative pressure tube and the cover and comprises a knife holder and a knife blade, and the knife holder is fixedly connected with the left end ofthe knife handle. The negative pressure suction type tumor excision device is applicable to minimally invasive surgery, and the pain of patients during tumor excision can be relieved.

Description

technical field [0001] The invention relates to the technical field of minimally invasive surgery equipment, in particular to a negative pressure suction type tumor resection device. Background technique [0002] At present, the principle of tumor treatment is comprehensive treatment based on surgery, supplemented by symptomatic treatment according to the condition, where surgery refers to resection of the tumor. In the existing tumor resection operation, it is necessary to clamp and pull the tumor with surgical forceps, and then use a scalpel to remove the tumor. The existing tumor resection methods have the following disadvantages: (1) In order to alleviate the pain of patients and reduce the risk of surgery, it is necessary to reduce the wound as much as possible during tumor resection, while the existing tumor resection methods need to use surgical forceps, scalpels, etc. A variety of surgical instruments combined with resection cannot meet the needs of minimally invasi...

AI Technical Summary

Problems solved by technology

The existing tumor resection methods have the following disadvantages: (1) In order to alleviate the pain of patients and reduce the risk of surgery, it is necessary to reduce the wound as much as possible during tumor resection, while the existing tumor resection methods need to use surgical forceps, scalpels, etc. A variety of surgical instruments combined with resection cannot meet the needs of minimally invasive surgery; (2) After the tumor is resected, it needs to be taken out with surgical forceps. Resected tumor removed from wound increases patient suffering

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