| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sheath dilator that includes a sheath and a dilator where screwing sections to be screwed with each other are disposed, and includes a regulating means that restricts the screwing forward more than prescribed one at the screwing section. <P>SOLUTION: The sheath dilator 100 that assists the insertion work of a catheter of a balloon catheter 80 or the like, includes: a cylindrical sheath 10 that can be torn in a longitudinal direction; and a dilator 30 that is inserted in the sheath 10. In the sheath 10 and the dilator 30, screwing sections 24 and 32 to be screwed with each other are disposed at a proximal end CE, and first and second engaging parts 51a and 51b are formed at the dilator 30, and first and second connection receiving section 52a and 52b to connect with them are formed at the sheath 10, at the screwing sections 24 and 32 as a regulating means 50 that restricts the screwing sections 24 and 32 to screw forward with more than a prescribed tightening. <P>COPYRIGHT: (C)2013,JPO&INPIT |
