Unstented heart valve bioprostheses and methods of making...

A - Human Necessities – 61 – B

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A61B 17/00 (2006.01) A61F 2/24 (2006.01) A61L 17/00 (2006.01) A61L 27/36 (2006.01)

Patent

CA 2366767

Stentless bioprosthetic heart valves (10) are formed as root valves utilizing a portion of the anterior mitral leaflet (16-1, 16-2, 16-3) attached to each of multiple (preferably three) noncoronary leaflet sections (10-1, 10-2, 10- 3). In this manner, the bioprosthetic heart valves (10) may be provided with inflow (16) and/or outflow (14) conduits which allow replacement of the entirety of a patient's diseased native aortic valve or the pulmonary valve and its outflow tract.

L'invention concerne des bioprothèses valvulaires cardiaques sans stent, qui sont formées comme des valvules d'origine au moyen d'une partie de la valvule antéro mitrale (16-1, 16-2, 16-3) fixée à plusieurs (trois de préférence) sections de la valvule non coronaires (10-1, 10-2, 10-3). De cette manière, les bioprothèse valvulaires cardiaques (10) peuvent comporter des tubes d'arrivée (16) et/ou d'évacuation (14) qui permettent de remplacer la valvule aortique malade d'origine d'un patient dans son intégralité ou la valvule pulmonaire et sa voie d'évacuation.

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