| 摘要 |
PROBLEM TO BE SOLVED: To provide a contrast tube for an endoscope capable of easily performing the contrast by selecting one of a pancreatic duct and a hepatic duct by an operator. SOLUTION: A distal part 1a of a flexible tube 1 which is passed through a passing channel 11 of a treatment tool of the endoscope is shaved in a tongue shape in the longitudinal direction. |
