Specimen sampling bag for minimally invasive laparoscopic surgery

Abstract

The invention relates to a specimen sampling bag for minimally invasive laparoscopic surgery. The specimen sampling bag is characterized in that a bag opening of a bag body is of a double-layer structure which comprises an outer layer and an inner layer, an inflation cavity is communicated with an air pipe, an inflation and deflation control device is connected to the other end of the air pipe and comprises a valve, a left valve and a right valve are butted to each other to form the valve, an end of the right valve is a closed end, an inflation hole is formed in an end of the left valve, a barrier, a piston and a spring I are arranged in a cavity of the valve, the cavity of the valve is divided into two portions by the barrier, a through hole is formed in the center of the barrier, an airproof thin film is arranged at the through hole, and the piston is arranged in the cavity and is positioned between the barrier and the closed end of the valve. The specimen sampling bag has the advantages that the specimen sampling bag is applied to the laparoscopic surgery, and is placed in the abdominal cavity of a patient in a surgery procedure, the bag opening of the specimen sampling bag can be automatically opened and can be automatically contracted after specimens are completely placed in the specimen sampling bag, and integral specimen fetching procedures can be carried out conveniently and quickly.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a sample sampling bag for laparoscopic minimally invasive surgery. Background technique [0002] In laparoscopic surgery, instruments are inserted into the abdominal cavity through a 5-10mm diameter cannula placed on the abdominal wall. Small specimens such as the excised appendix and biopsy specimens are generally taken out through the small incision where the 10mm diameter cannula is placed, without making another incision. When taking out the specimen, it needs to be put into the specimen bag to avoid falling into the abdominal cavity and making it difficult to find, and to avoid contaminating the small incision on the abdominal wall. The common specimen bag currently used is inserted into the abdominal cavity through a cannula and filled with small specimens. It is carried out under laparoscopic monitoring, so it is necessary to replace the sleeve or observation h...

AI Technical Summary

Problems solved by technology

[0002] In laparoscopic surgery, instruments are inserted into the abdominal cavity through a 5-10mm diameter cannula placed on the abdominal wall. Small specimens such as the excised appendix and biopsy specimens are generally taken out through the small incision where the 10mm diameter cannula is placed, without making another incision. When taking out the specimen, it needs to be put into the specimen bag to avoid falling into the abdominal cavity and making it difficult to find, and to avoid contaminating the small incision on the abdominal wall. The common specimen bag currently used is inserted into the abdominal cavity through a cannula and filled with small specimens. It is carried out under laparoscopic monitoring, so it is necessary to replace the sleeve or observation hole when taking it out, or align the adjacent sleeve with an instrument that holds the specimen bag. The operation is cumbersome and difficult, and it is easy to cause the specimen bag to rupture and the specimen to fall. , or cause damage to the abdominal organs. When the specimen is loaded and taken out, it is necessary to repeatedly clamp the mouth of the bag with laparoscopic operating instruments. During the process of taking the specimen out of the abdominal cavity, the specimen bag will fall into the abdominal cavity if one is not careful, or even The specimen slipped out of the bag, causing the operation to fail

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