| 摘要 |
PURPOSE:To smoothly leave a bore securing appliance in a target site, by providing a catheter sheath which can hold a catheter with the bore securing appliance in the cavity thereof. CONSTITUTION:A bore securing system 1 includes a bore securing appliance, i.e., a stent, 10, a catheter 20 and a catheter sheath 30. The stent 10 consists of a two-directional flat shape-memory alloy wire spirally wound. The catheter 20 includes a catheter tube 21 and a hollow hub 22, and the catheter sheath 30 includes a sheath tube 31 and a hollow sheath hub 32. The catheter sheath 30 can hold the catheter 20 with the stent 10 in the lumen thereof. |
