Image guided plaque ablation

Details Image guided plaque ablation Image guided plaque ablation

A - Human Necessities

61

N

A61N 7/02 (2006.01)

Patent

CA 2691764

A method and system for reducing vascular plaque non-invasively comprising the steps of imaging at least a portion of a mammalian body to produce an image; determining the location of at least one vascular plaque in said image; ascertaining the location of the base of said vascular plaque, said locaiton of base being the target location; precisely determining the relative position of said target location with respect to the cardiac rhythm in the body; delivering a beam of ultrasound energy waves from a source to the relative position to elevate temperature of said target location in a pre-determined manner; monitoring the temperature of the target location; and discontinuing delivery of ultrasound energy waves when said target location achieves a predetermined set temperature.

La présente invention concerne un procédé et un système permettant la réduction non invasive de plaques vasculaires comprenant les étapes suivantes: la formation d'image d'au moins une partie d'un corps de mammifère pour produire une image; la détermination de l'emplacement d'au moins une plaque vasculaire dans ladite image; l'identification de l'emplacement de base de ladite plaque vasculaire, ledit emplacement de base étant l'emplacement cible; la détermination précise de la position relative dudit emplacement cible par rapport au rythme cardiaque dans le corps; l'administration d'un faisceau d'ondes d'énergie ultrasonore provenant d'une source à la position relative pour accroître la température dudit emplacement d'une manière prédéterminée; le contrôle de la température dudit emplacement cible; et l'interruption de l'administration d'ondes d'énergie ultrasonore lorsque ledit emplacement cible atteint une température de consigne prédéterminée.

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