Methods and devices for improving blood flow to the heart of...

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/32 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2268977

The present invention relates to devices and methods for improving blood flow to the heart of a patient. One device includes a transducer assembly (36) disposed in a housing. An end effector (40) is operatively coupled to the transducer assembly (36) and includes a channel-forming member. The channel- forming member is capable of creating channels in the heart of a patient. A method of improving the blood flow to the heart of a patient is also provided. The method includes the steps of providing a surgical device having an end effector (40), energizing the surgical device to cause the end effector (40) to vibrate, contacting the end effector (40) with a ventricular wall of the heart, advancing the end effector (40) into the ventricle wall, and creating a channel in the ventricle wall with the end effector (40).

Cette invention concerne des dispositifs et des procédés permettant d'améliorer chez un patient le flux sanguin jusqu'au coeur. Un dispositif comprend un ensemble transducteur (36) placé dans le boîtier. Un effecteur terminal (40) est couplé activement à l'ensemble transducteur (36) et comporte un élément formant des passages qui est capable de créer des passages dans le coeur d'un patient. Un procédé permettant d'améliorer le flux sanguin jusqu'au coeur d'un patient est également présenté, il consiste à utiliser un dispositif chirurgical comprenant un effecteur terminal (40), à mettre sous tension et en fonctionnement le dispositif chirurgical pour faire vibrer l'effecteur terminal (40) à mettre en contact l'effecteur terminal (40) avec une paroi de ventricule de cardiaque, à faire avancer l'effecteur terminal (40) dans la paroi ventriculaire puis à créer un passage dans ladite paroi ventriculaire avec ledit effecteur terminal (40).

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