| 摘要 |
A self-expanding stent delivery system and method is provided where the self-expanding stent is loaded in a catheter and is held in a collapsed position over a balloon. The stent is deployed and then the balloon may be used for post-dilitation. After the stent is released the balloon is substantially aligned in position for post-dilitation. In one embodiment, the balloon working length is substantially the same as the deployed stent length so that balloon dilitation outside the length of the stent and potential healthy tissue damage is minimized. In another embodiment, the balloon working length is shorter than the deployed stent length and the post dilitation is accomplished by positioning and inflating the balloon in a plurality of iterations.
|
