TUBE BODY FIXING STRUCTURE IN ENDOSCOPE CLEANING SHEATH, ENDOSCOPE CLEANING SHEATH WITH THE TUBE BODY FIXING STRUCTURE EMPLOYED THEREIN, AND ENDOSCOPE SYSTEM INCLUDING THE ENDOSCOPE CLEANING SHEATH
A tube body fixing structure in an endoscope cleaning sheath includes: a flexible first tube body including a main lumen and a sub-lumen having a smaller diameter being provided inside along a longitudinal axis, the lumens each opening in the proximal end portion a first fixing member including a fitting portion in which a proximal end portion of the main lumen is inserted, thereby the fitting portion being communicably connected to a proximal end portion of the main lumen a second fixing member that is exteriorly mounted on the first tube body and includes a pressure contact portion that is biased against the fitting portion via the first tube body and a flexible second tube body including a connection portion that is communicably connected to the sub-lumen on a proximal end side relative to the pressure contact portion, and an extension portion that extends from the connection portion.
