Annuloplasty rings and methods for heart valve repair

Details Annuloplasty rings and methods for heart valve repair Annuloplasty rings and methods for heart valve repair

A - Human Necessities

61

F

A61F 2/24 (2006.01)

Patent

CA 2753027

An annuloplasty ring, config-ured for implantation in the annulus of a heart valve, comprising multiple segments each of which are geometrically shaped from a three dimensional perspective to conform to the anatomic shape of the valve annulus. In one embodiment, the annuloplasty ring is config-ured to facilitate a reduction of tension on heart valve tissue and eliminate a substantial portion of potential pressure or force that may be applied to the atrioventricular node by the annuloplasty ring when implanted. In another embodiment, at the annuloplasty ring is con-figured to include an assembly that facilitates selective adjustment of a segment's respective length and/or shape. The adjustment of the length of one of the ring segment's results in an adjustment of at least one angle between at least one set of other ring segments, thereby causing an adjustment to the geometric char-acteristics of the ring.

L'invention porte sur un anneau d'annuloplastie, configuré pour une implantation dans l'anneau d'une valvule cardiaque, comprenant de multiples segments dont chacun est géométriquement formé à partir d'une perspective tridimensionnelle pour se conformer à la forme anatomique de l'anneau de valvule. Dans un mode de réalisation, l'anneau d'annuloplastie est configuré pour faciliter une réduction de tension sur un tissu de valvule cardiaque et éliminer une partie substantielle de pression ou force potentielle qui peut être appliquée au nud atrioventriculaire par l'anneau d'annuloplastie lorsqu'il est implanté. Dans un autre mode de réalisation, l'anneau d'annuloplastie est configuré pour comprendre un ensemble qui facilite un ajustement sélectif d'une longueur et/ou forme respective du segment. L'ajustement de la longueur de l'un des segments d'anneau conduit à un ajustement d'au moins un angle entre au moins un ensemble d'autres segments d'anneau, provoquant ainsi un ajustement aux caractéristiques géométriques de l'anneau.

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