Gall bladder puncture drainage device

The utility model relates to a gall bladder puncture drainage device which comprises a drainage tube body, the drainage tube body is provided with a flow channel used for draining bile in a gall bladder out of a human body, and the drainage tube body comprises an insertion section used for being inserted into the wall of the gall bladder, an operation section located outside the human body and a connection section arranged between the insertion section and the operation section. The outer pipe wall of the connecting section is of an expandable structure. By the adoption of the scheme, the function of subsequently expanding the punctured part can be achieved through one-time puncture operation, a foundation is laid for choledochoscopy calculus removal conducted on an expanded channel in the later period, possible opportunities are provided for patients suffering from serious basic diseases and incapable of tolerating traditional surgeries, and the patients are benefited. 本实用新型涉及一种胆囊穿刺引流装置，其包括引流管本体，引流管本体上具有用于将胆