Patent ID: 8267102
Filing Date: 2012-09-18
Classification: A61B,B08B,F16L

Abstract:
1. A washing tube for supplying a washing and disinfecting fluid to an endoscope conduit of an endoscope placed in an endoscope washing and disinfecting apparatus, comprising: a tube body, one end of which is connected to a fluid supply section of the endoscope washing and disinfecting apparatus, for sending the fluid; a connector section disposed at the other end of the tube body and loosely fitted to a base of the endoscope conduit in a detachable manner; a sealing member that is provided inside the connector section, and comes into close contact with the base and keeps the base and the connector section connected in a watertight manner; an annular member provided with the sealing member, including a resisting surface for receiving a liquid sending pressure of the fluid formed on a back end face of the annular member; a valve body that includes the sealing member and the annular member and moves forward by a liquid sending pressure of the supplied fluid; a biasing member provided inside the connector section for biasing the valve body backward; a cylindrical section loosely inserted into a hole of the annular member of the valve body; a plurality of blades radially extending around a back perimeter of the cylindrical section; a plurality of holes formed at both ends of the cylindrical section to allow the fluid to flow into the cylindrical section; and a tubular body including the cylindrical section, the plurality of blades and the plurality of holes, wherein the plurality of blades move forward under a liquid sending pressure of the fluid, the cylindrical section is inserted into the base of the endoscope conduit and the fluid flows into the plurality of holes and the fluid is thereby supplied into the endoscope conduit via the cylindrical section.