A device for the treatment of aneurysm

A - Human Necessities – 61 – N

Patent

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Details

A61N 1/36 (2006.01) A61B 17/12 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2739940

An apparatus for controlling a flow of blood in a blood vessel formed by a tissue wall of a patient's blood vessel comprises an implantable constriction device for gently constricting (i.e. without substantially hampering the blood circulation in the tissue wall) at least one portion of the tissue wall to influence the flow in the blood vessel, and a stimulation device for stimulating the wall portion of the tissue wall. A control device controls the stimulation device to stimulate the wall portion, as the constriction device constricts the wall portion, to cause contraction of the wall portion constricted by the constriction device to further influence the flow in the blood vessel. The apparatus can be used for stabilizing, treating or controlling an aneurysm, with a low risk of side- effects, such as injuring the blood vessel or causing embolism.

La présente invention concerne un appareil permettant de réguler la circulation de sang dans un vaisseau sanguin constitué d'une paroi tissulaire chez un patient. L'appareil comprend un dispositif de constriction implantable conçu pour réaliser une légère constriction d'au moins une partie de la paroi tissulaire (c'est-à-dire sans entraver sensiblement la circulation sanguine dans la paroi tissulaire) afin d'agir sur la circulation dans le vaisseau sanguin, ainsi qu'un dispositif de stimulation destiné à stimuler la partie de la paroi tissulaire. Un dispositif de commande commande le dispositif de stimulation de sorte que ce dernier stimule la partie de la paroi, à mesure que le dispositif de constriction réalise une constriction de la partie de la paroi, pour provoquer la contraction de cette partie soumise à une constriction par le dispositif de constriction, afin d'agir davantage sur la circulation dans le vaisseau sanguin. Il est possible d'utiliser ledit appareil pour stabiliser, traiter ou réguler un anévrisme, avec un faible risque d'effets secondaires, tels qu'une lésion du vaisseau sanguin ou l'apparition d'une embolie.

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