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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US419202025 Abr 197711 Mar 1980Washington University
Albany International Corporation
Heart valve prosthesis
US424535824 Ene 197920 Ene 1981Nontraumatic prosthetic valve with magnetic closure
US427546913 Dic 197930 Jun 1981Shelhigh Inc.Prosthetic heart valve
US429142013 Jun 198029 Sep 1981Medac Gesellschaft fur Klinische Spezialpraparate mbHArtificial heart valve
US429774927 Feb 19803 Nov 1981Albany International Corp.
Washington University
Heart valve prosthesis
US433983127 Mar 198120 Jul 1982Medtronic, Inc.Dynamic annulus heart valve and reconstruction ring
US441736031 Jul 198129 Nov 1983Nontraumatic prosthetic valve with magnetic closure
US447342316 Sep 198325 Sep 1984University of UtahArtificial heart valve made by vacuum forming technique
US451062813 May 198216 Abr 1985University of UtahArtificial heart valve made by vacuum forming technique
US485100031 Jul 198725 Jul 1989Pacific Biomedical Holdings, Ltd.Bioprosthetic valve stent
US55000149 May 199419 Mar 1996Baxter International Inc.Biological valvular prothesis
US571395315 Feb 19963 Feb 1998Sorin Biomedica Cardio S.P.A.Cardiac valve prosthesis particularly for replacement of the aortic valve
US612668610 Jun 19993 Oct 2000Purdue Research FoundationArtificial vascular valves
US771795225 Oct 200618 May 2010Cook IncorporatedArtificial prostheses with preferred geometries
US803870818 Dic 200618 Oct 2011Cook Medical Technologies LLCImplantable device with remodelable material and covering material
US807561528 Mar 200713 Dic 2011Medtronic, Inc.Prosthetic cardiac valve formed from pericardium material and methods of making same
US822149221 Abr 200417 Jul 2012Cook Medical TechnologiesArtificial valve prosthesis with improved flow dynamics