Patent ID: 7918234

Claim:
An endoscope washer disinfector for washing and disinfecting an endoscope equipped with a mouth ring and an insertion tube through which a duct is formed, the mouth ring communicating with the duct, the endoscope washer disinfector comprising: a washing disinfecting bath in which the endoscope is accommodated; a nozzle arranged with the washing disinfecting bath, loaded into the mouth ring of the endoscope, and is in charge of supplying fluid to the duct via the mouth ring; a tray on which the endoscope is mounted and which is detachably loaded into the washing disinfecting bath; a direction deciding member that decides a loading direction of the tray such that the tray loaded into the washing disinfecting bath is positioned in a given direction on which the mouth ring is positioned relative to the nozzle, the direction deciding member including a groove formed on the washing disinfecting bath and a convex part formed on the tray to be fit into the groove; a bilateral positioning member that positions the endoscope and the tray such that the mouth ring of the endoscope mounted on the tray is located at a given position in the tray; and a trilateral positioning member that positions the washing disinfecting bath, the tray, and the endoscope such that, when the tray is loaded into the washing disinfecting bath, the mouth ring of the endoscope positioned at the given position in the tray by the bilateral positioning member is positioned at a position that is across from the nozzle in the washing disinfecting bath, wherein the groove consists of a plurality of grooves radially extending from a central part of a bottom of the washing disinfecting bath, and the convex part includes a plurality of tubular convex parts which are allowed to be fit into the plurality of grooves when the tray is loaded into the washing disinfecting bath.