Novel disposable thoracic venous catheter bag connector

The utility model discloses a novel disposable thoracic venous catheter bag connector, which belongs to the technical field of medical appliances and comprises a connector, one end of the connector is connected with a first catheter, a connector groove is arranged in the connector, and clamping grooves are symmetrically arranged at one end of the inner side of the connector groove far away from the first catheter. A plug is inserted into the interface groove, a positioning pipe is fixed to the end, close to the connector, of the plug, and elastic warped plates are symmetrically arranged at the end, away from the positioning pipe, of the outer side of the plug. According to the utility model, the interface groove and the clamping groove are arranged in the joint and are matched with the clamping block on the plug for use, so that the plug can be replaced and the number of tube cavities at the joint can be adjusted in the use process of the venous catheter, the practicability of the device is improved, and the