| http://www.w3.org/ns/prov#value | - The abstract of the patent published by the U.S. Patent and Trademark Office states: A heart valve assembly includes a base including a multi-lobular annular shape within a plane, a valve member or other annular body including a multi-lobular shape complementary to the shape of the base, and cooperating connectors on the base and the annular body for connecting the annular body to the base.
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