A surgical procedure is carried out on any suitable hollow organ, such as a gall bladder located beneath an abdominal wall. In a first step of the procedure the hollow organ is inflated by air or water through an inflation line so that the organ swells up. A scalpel is then used to create an incision in the abdominal wall. Sutures are then inserted through the opening and these are used to pull up the inflated organ to the opening. The inflated organ is now presented to the opening and a laparascopic procedure is carried out on the organ. A number of medical devices may be employed to perform the procedure for example a scalpel, an introducer device, an instrument access device, an insufflator, a camera device, and various surgical instruments.