Paravalvular leak occlusion device for self-expanding heart valves

摘要

An occluder for sealing gaps between a medical device and adjacent body tissue includes an expandable body configured to fill the gaps between the medical device and the body tissue. The occluder includes a fastener at one end of the body and adapted to couple to a first end of the medical device, and an expandable disk at the other end of the body and adapted to couple to the medical device at a position spaced from the first end.

主权项

1. A system for replacing native valve function, the system comprising:
a prosthetic heart valve having a collapsible and expandable stent forming cells, the stent having a plurality of sections including an annulus section, a transition section and an aortic section, and a valve assembly disposed in the stent; and an occluder device comprising an expandable body having a first end and a second end, a fastener coupled to the first end of the body and to a selected strut of the stent at a first position on the annulus section of the stent, and an expandable disk coupled to the second end of the body and passing through a cell of the stent to couple the occluder device to the stent at a second position in a section other than the annulus section.