Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent
1983-12-28
1986-12-16
Apley, Richard J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Having rigid or semirigid pivoting occluder
623900, A61F 224
Patent
active
046294597
ABSTRACT:
A prosthetic heart valve comprising a stent having an annular base and a plurality of legs extending upwardly from said base; a valve element circumscribing said stent and attached thereto, said valving element comprising a number of cooperating valve leaflets equal to the number of said legs; and a layer of biologically-compatible material secured to said stent and positioned between said stent and said leaflets, said layer having a smooth, non-abrasive outer surface and covering all of the surfaces of said stent that, in the absence of said layer, would contact the mobile portions of said leaflets during the normal function of the valve.
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Bartek et al., "Frame-Mounted Tissue Heart Valves: Technique of Construction"; Thorax, vol. 29, pp. 51-55 (1974).
Ionescu Marian I.
Lenker Jay A.
Yang Philip S.
Akers Lawrence C.
Apley Richard J.
Cannon Alan W.
Dryer Mark
Knuth Charles J.
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