Devices, systems and methods for plaque type determination

A - Human Necessities – 61 – B

Patent

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A61B 6/00 (2006.01) A61B 5/05 (2006.01)

Patent

CA 2598928

Devices, systems and methods are disclosed for determining the composition of a plaque at a plaque site, which could be inside a blood vessel. Through a combination of fluid injection with different conductivities and measurement of the resultant conductances, a parallel tissue conductance measure is obtained that assists in determining the composition of the site plaque. Lower parallel conductance levels are determinative of a higher lipid and/or fatty plaque, which is a type that may break out of its position and cause organ injury or death.

L'invention concerne des dispositifs, des systèmes et des procédés permettant de déterminer la composition d'une plaque sur un site de plaque pouvant se situer à l'intérieur d'un vaisseau sanguin. L'injection d'un fluide présentant différentes conductivités, combinée à la mesure des conductances résultantes permet d'obtenir une mesure de la conductance parallèle d'un tissu qui aide à déterminer la composition de la plaque du site. Des niveaux de conductance parallèle inférieurs indiquent la présence d'une concentration supérieure de plaque de graisse et/ou de lipides, d'un type susceptible de se détacher et de léser un organe ou d'entraîner la mort.

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