NATIONAL ADVANCED ENDOSCOPY DEVICES, INC. MT4020 TRU-VU MINI TROCAR/CANNULA 4.0MM, 20CM

An atraumatic, invasive, hand-operated tube designed as a conduit for irrigation and aspiration (i.e., capable of both functions) of body cavities/wounds during a surgical procedure (e.g., neurosurgery, laparoscopy), typically to facilitate observation. It might incorporate a handle with a valve(s) and hole(s) on its side for the control of irrigation/aspiration, and may be provided with a stylet, a sheath, and/or connection tubing; it is typically made of metal.