Prosthetic heart valve with increased lumen

Details Prosthetic heart valve with increased lumen Prosthetic heart valve with increased lumen

A - Human Necessities

61

F

A61F 2/24 (2006.01) A61L 27/08 (2006.01)

Patent

CA 2223160

A heart valve prosthesis (10) having a valve housing (12) providing a lumen (17) therethrough. The valve housing (12) has a first annulus on one end and a second annulus on the other end spaced apart from the first annulus. A suture cuff (50) is used for attaching the valve housing to heart tissue of a patient. The cuff (50) is attached between the first annulus and the second annulus. The cuff (50) is positioned such that prosthesis (10) is attached in a supra-annular position relative to a tissue annulus of the heart. The design allows for an increased valve lumen.

Prothèse de valvule cardiaque (10) possédant un corps de valvule (12) traversé par une lumière (17). Ce corps de valvule (12) possède un premier anneau à une extrémité et à l'autre extrémité un deuxième anneau éloigné du premier anneau. On utilise un manchon de suture (50) afin d'attacher le corps de valvule au tissu cardiaque d'un patient. On attache le manchon de suture (50) entre le premier anneau et le deuxième anneau. On place ce manchon (50) de façon à fixer la prothèse (10) en position supra-annulaire par rapport à un anneau tissulaire du coeur. Cette conception permet d'agrandir la lumière de la valvule.

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