Natural tissue heart valve prosthesis
作者： Shlomo Gabbay
DOI:
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摘要: A heart valve prosthesis (88; 128) having a plurality of leaflets (18, 20 and 22; 138, 140 142). The (10; 130) is covered with sheath (90; 172) natural tissue. extends from an inflow end (12; 132) the beyond outflow (14; 134) to define lobes (98, 100 102; 182, 184 186). substantially flexible annular ring (60; 162) may be positioned between provide additional stability.
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