Laparoscopic trocar with self-locking port sleeve

摘要: A laparoscopic trocar (10) with a selectively lockable sleeve (12) positioning means is provided. The may be fixed to an abdominal wall (78) by of bumper (44) in cooperation balloon (40) mounted on the distal end sleeve. After and are inserted into abdomen, withdrawn from inflated syringe through inflation duct. includes ratchets (60) its outer surface, has ratchet tooth inner channel. thus free slide over direction order clamp between balloon. insures that will not move backward along sleeve, hand-free conduit for insertion surgical instruments cavity thereby created. Means releasing deflating also provided permit removal abdomen.