| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an device mounted to an insertion portion rapidly and easily installed to an insertion portion. <P>SOLUTION: A balloon unit 1 that is the device mounted to an insertion portion installed to the insertion portion inserted into a body cavity includes: a balloon portion 3 mounted to the insertion portion; and a connection tube 5 having one end connected to the balloon portion 3, and feeding a fluid to the balloon portion 3. The connection tube 5 is helically extended along the longitudinal direction, and a dimension in the longitudinal direction can change. <P>COPYRIGHT: (C)2012,JPO&INPIT |
