Patent Number: 6,254,529

Title: Endoscopic forceps stopper

Abstract: A pair of generally semicircular, passage blocking valves (33b) that are made of an elastic material are provided in such a way as to block the passage leading to the inlet of a channel 4 of an endoscope and in such a state that the diameters (33c) of the two blocking valves abut to interfere with each other and that the abutting surfaces of the two blocking valves (33b) are closed in a normal state but are spread apart elastically by the insertion of a treatment tool.

Inventors: Ouchi; Teruo (Saitama, JP)

Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha

International Classification: A61B 17/34 (20060101); A61B 1/012 (20060101); A61B 1/018 (20060101); A61M 39/02 (20060101); A61M 39/06 (20060101); A61B 001/00 ()

Expiration Date: 07/03/2018