Operative rectal retractor based on a new principle.
D013505:Digestive System Surgical Procedures; D006801:Humans; D007422:Intestines; D008866:Microsurgery; D019637:Orthopedic Procedures; D012007:Rectum / Q000601:surgery*; D013514:Surgical Procedures, Operative / Q000295:instrumentation*
RECTUM/surgery; SURGERY, OPERATIVE/apparatus and instruments