Disposable trocar is a medical or veterinary device that is made up of an obturator, a cannula , and a seal.Trocars are placed through the abdomen during laparoscopic surgery. Trocars also allow the escape of gas or fluid from organs within the body. Applicable to the establishment of microports for untroduction of endoscopes and laparoscopic instrument Applicable to the establishment of microports for untroduction of endoscopes and laparoscopic instrument CONVENIENCE The design of double valves,makes good air tightness and no need for converter during operation. The cannula and sealing caps are separable,which allows the easy removal of tissue during operation The ergonomic grip design makes the comfortable handling of the device SMOOTH The reverse thread design,makes the insertion smooth,and prevents the undesired movement dng operation. The fin type design makes insertion smooth