UE disposable laparoscopic trocar has a unique patented spiral puncture needle, which helps faster healing while less trauma. Unique screw thread design ensures firmer fixation of abdominal wall. The ergonomic design handle, comfortable and easy to hold, convenient for visual puncture. The reliable double-sealed valve design can better maintain the pneumoperitoneum during the operation. The unique separation structure of the cannula and the needle seat makes it more convenient and faster for users to take objects.