PROSTHETIC SUTURELESS HEART VALVES AND IMPLANT TOOLS THEREFOR
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Abstract
AN INNER RING CARRYING A CHECK VALVE IS ROTATABLY MOUNTED WITHIN AN OUTER RING, AND A SERIES OF SPACED WIRES ARE CONFINED BETWEEN THE RINFS WITH THEIR FREE ENDS POSITIONED IN OPENINGS IN THE OUTER RING. ROTATING THE INNER RING WITH RESPECT TO THE OUTER RING FORCES THE WIRE ENDS OUTWARDLY TO
PIERCE A FABRIC RING AND THE SURROUNDING HEART TISSUE AND THEN CURL BACK TOWARDS THE VALVE.
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Current AssigneeDonald P. Shiley
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Original AssigneeDonald P. Shiley
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InventorsShiley, Donald P.
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Application NumberUS04/687,249Time in Patent Office1,305 DaysField of SearchUS Class Current623/2.38CPC Class CodesA61F 2/2409 Support rings therefor, e.g...A61F 2/2427 Devices for manipulating or...
