PIPING JUNCTION FOR ENDOSCOPE

摘要

PROBLEM TO BE SOLVED: To provide a piping junction for an endoscope barely causing buckling or breakage at a connection portion of a soft tube and a hard pipe and excellent in durability. SOLUTION: The end section of a hard pipe 2 is inserted into the end section of a soft tube 1 arranged in an endoscope for passing a fluid, and a fastening member 3 applying fastening force from the outer face of the soft tube 1 is fitted to the insertion section in this piping junction for the endoscope. The fastening force applied to the soft tube 1 at the end face position of the hard pipe 2 is made smaller than the fastening force applied to the soft tube 1 at the position apart from the end face of the hard pipe 2.