Devices and methods for the treatment of heart failure

Details Devices and methods for the treatment of heart failure Devices and methods for the treatment of heart failure

A - Human Necessities

61

B

A61B 17/00 (2006.01)

Patent

CA 2664557

A device (10) for treating heart failure in a patient. The device (10) comprising a body (12), at least one passage (18) through the body (12), at least one one way valve ( 20) in the passage (18) and a mounting means (14) adapted for mounting the body (12) in an opening provided in the patient's atrial septum. In use, the device (10) is oriented such that, when the patient's left atrial pressure exceeds the patient's right atrial pressure by a predetermined amount, the one way valve(s) (20) opens to allow blood flow through the passage(s) from the left atrium to the right atrium to thereby reduce the left atrial pressure.

La présente invention concerne un dispositif (10) destiné à traiter une insuffisance cardiaque chez un patient, comprenant un corps (12), au moins un passage (18) formé à travers le corps (12), au moins une valve antireflux (20) dans le passage (18) et un moyen de montage (14) conçu pour monter le corps (12) dans une ouverture formée dans le septum atrial du patient. Lors de l'utilisation, le dispositif (10) est orienté de telle sorte que, lorsque la pression de l'oreillette gauche du patient dépasse la pression de l'oreillette droite du patient d'une valeur prédéterminée, la ou les valves antireflux (20) s'ouvrent pour permettre un flux de sang par le ou les passages depuis l'oreillette gauche vers l'oreillette droite afin de réduire ainsi la pression dans l'oreillette gauche.

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