Transcatheter Stent-Valves and Methods, Systems and Devices for Addressing Para-Valve Leakage
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United States of America Patent
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Oct 9, 2015
filing date -
Mar 22, 2012
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Abandoned
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Abstract
Some embodiments of the present disclosure provide a stent-valve for transcatheter implantation to replace a cardiac valve. In some embodiments, the stent valve being compressible to a compressed state for delivery, and expandable to an operative state for implantation. In some embodiments, the stent-valve comprises a stent, a plurality of leaflets for defining a prosthetic valve, an inner skirt, an outer skirt, and a paravalve seal for sealing against surrounding tissue. In some embodiments, the paravalve seal comprising material that swells in response to contact with blood or components thereof.
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