| abstract |
(57) [Summary] [Structure] The sheet member 2 that is rolled up in a cylindrical shape and expands in the radial direction is expanded by a tubular body (self-expansion suppressing member) 3 that is formed into the lumen shape of the luminal organ to be inserted. Is controlled. [Effect] The organ is not damaged because it rapidly expands in the lumen of the luminal organ to be inserted and does not expand more than necessary. |