Cardiac valve prosthesis, especially mitral cardiac valve and method for producing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jan 22, 2004
app pub date -
Apr 2, 2003
filing date -
Oct 9, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a cardiac valve prosthesis, comprising a support housing with at least two flaps, especially to a mitral cardiac valve. The flaps and/or the support housing have a core and a surface layer enclosing said core, the core material being characterized by a greater hardness and/or lesser flexural elasticity than the surface layer. For producing the cardiac valve according to the invention the inner surface layers of the flaps and the support body are produced as an integral part by at least one dip-coating step in a liquid solution. A support body core is then injection-molded onto said structure. In further dip-coating steps the flap core zones are formed and the outer surface layers of the flaps and the support body are finally produced in at least one further dip-coating step and the body so produced is then removed from the dip mold.
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