| 摘要 |
A balloon catheter (8) for post-implantation dilation of a self-expanding stent- valve (12) that comprises a stent component (14) and a valve component (16), the balloon catheter comprising an inflatable region (10) shaped to include a first region (30) configured for applying a dilation force to an anchor portion (18) of the stent-component, and at least one second region (32a/b) for applying less dilation to a leaflet portion (24) of the valve component, wherein the first region (30) has a larger diameter than the second region (32a/b). |
