Puncture device for abdominal cavity operation in gastrointestinal surgery

The invention belongs to the technical field of medical equipment, and specifically relates to a puncture device for abdominal cavity operation in gastrointestinal surgery. The device comprises a support plate, a sleeve, and a puncture rod; a mounting groove is arranged in the middle of the support plate; adjustment rotor blocks are evenly arranged inside the mounting groove; the same sleeve is inthreaded connection among the adjustment rotor blocks together; a stepped mounting hole is arranged inside thee sleeve; a rotating block is fixed connected to the inside of the stepped mounting hole;an adjustment hole is arranged inside the rotating block; and the same puncture rod is inserted between the stepped mounting hole and the adjustment hole. According to the present invention, the support-type abdominal puncture operation is effectively realized by the device, the problems that in the direct puncture process, doctors need to sense whether is in place through the sense of vacuum failure, and the puncture tec