Patent ID: 7524331
Filing Date: 2009-04-28
Classification: A61F,A61L

Abstract:
1. A vascular valve replacement system, the system comprising: an implantable conduit having a conduit wall; a catheter; a prosthetic valve device including a valve connected to a support structure, the valve device disposed on the catheter; and a barrier member disposed about an outer surface of the support structure of the valve device, the barrier member comprising a layer of material that will fill space between the valve support structure and the conduit wall when the support structure is deployed in the implantable conduit, wherein the barrier member comprises directionally oriented microfibers and wherein the directionally oriented microfibers comprise a material selected from a group consisting of carbon, silica, polyester, nylon, polyamides, polyolefins, polyurethanes, and mixtures thereof, wherein when the prosthetic valve device is deployed from the catheter in the implantable conduit, the barrier member prevents blood flow between the conduit and the outer surface of the support structure of the valve device.