ISO Certificated Double Seal 5mm Optical Trocar 75mm Length For Laparoscopic Surgery is composed of obturator and sleeve. The sleeve is composed of cannula, insufflation, stopcock, internal seal, durable universal seal.Disposable laparoscopic trocar is intended for use in a variety of gynecologic, general, thoracic, and urologic laparoscopic procedures to create and maintain a port of entry for laparoscopic instruments.