Artificial heart valve

• US 3,113,586 A
• Filed: 09/17/1962
• Issued: 12/10/1963
• Est. Priority Date: 09/17/1962
• Status: Expired due to Term

• Current Assignee: Karl W. Edmark Jr
• Original Assignee: Karl W. Edmark Jr
• Inventors: Edmark, Karl W. Jr.
• Application Number:
  US04/224,025
• Time in Patent Office: 449 Days
• US Class Current: 137/512.1
• CPC Class Codes: A61F 2/2412 with soft flexible valve members, e.g. tissue valves shaped like natural valves check valves with flexible valve members in general F16K15/14
• CPC Class Codes: F16K 15/147 the closure elements having specially formed slits or being of an elongated easily collapsible form
• CPC Class Codes: F16K 3/03 with a closure member in the form of an iris-diaphragm
• CPC Class Codes: Y10T 137/7839 Dividing and recombining in a single flow path
• CPC Class Codes: Y10T 137/788 Having expansible port
• CPC Class Codes: Y10T 137/7882 Having exit lip

Claims

1. A VALVE COMPRISING A SUBSTANTIALLY ANNULAR SEAT, A PAIR OF COOPERATING FLAP MEMBERS, AND MEANS TO SECURE THE ENDS OF SAID FLAP MEMBERS TO OPPOSITE PORTIONS OF SAID SEAT, SAID FLAP MEMBERS BEING OF SUBSTANTIALLY IDENTICAL SHAPE, EACH FLAP MEMBER COMPRISING A MAIN BODY HAVING AN ARCUATE OUTER PERIPHERAL EDGE AND FORMED WITH A TRANSVERSELY EXTENDING LOBE AT ITS FREE END AND WITH A SMOOTHLY CURVED NOTCH EXTENDING FROM SAID LOBE TO THE SECURED END OF THE FLAP MEMBER, THE FLAP MEMBERS OVERLAPPING EACH OTHER WITH THE LOBE OF EACH FLAP MEMBER OVERLYING THE NOTCHED PORTION OF THE OTHER FLAP MEMBER WHEN THE VALVE IS IN CLOSED POSITION, THE FLAP MEMBERS BEING FLEXIBLE IN AT LEAST ONE DIRECTION TO ALLOW THE LOBES TO MOVE AWAY FROM SAID NOTCHED PORTIONS, THE INNER PERIPHERAL EDGE OF EACH FLAP MEMBER BEING SUBSTANTIALLY SLIDABLE ALONG THE INNER PERIPHERAL EDGE OF THE OTHER FLAP MEMBER AS THE FLOP MEMBERS ARE FLEXED TO OPEN POSITIONS.