Electrically adjustable stoma opening

摘要: An apparatus for forming a stoma opening in the stomach (1) or oesophagus of patient includes constriction device (2) applied on patient's and including an elongate adjustable member extending around constricting to form therein electrically powered adjustment that adjusts change size opening. electric power supply (14) is subcutaneously implanted remote from insulated wire (18) connects device. The resilient extends helically between As result, capable addressing dynamic movements oesophagus, because it may easily be temporarily extended without risking breakage.