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Abstract

The plaque resolving device is adapted to be inserted into and through the lumen of a blood vessel and manipulatable therethrough to a desired position where the device can be operated to resolve atherosclerotic plaque buildup in, and to re-establish desired blood flow through, the blood vessel. The device includes an elongate tubular body having a proximal end, a distal end, and a tip member mounted to the distal end of the tubular body. An electrical heating element is mounted in the tip member for heating the tip member to a desired predetermined temperature. A temperature sensor is also mounted within the tip member. Energy supply and control circuitry is mounted at the proximal end of the tubular body and coupled to the electrical heating element and temperature sensor so that the heating element is maintained at a temperature within a predetermined temperature range relative the ambient temperature of the blood and plaque. The method for resolving atherosclerotic plaque in a blood vessel includes the step of: inserting a device having heating means in the tip into and through the lumen of a blood vessel. The device is manually manipulated into and through the lumen of the blood vessel to a position where the tip thereof is adjacent and proximate to an area of atherosclerotic plaque buildup in the blood vessel. The heating means is then heated to a predetermined temperature while it is proximate the area of atherosclerotic plaque buildup and maintained at that temperature for a time period sufficient to resolve the plaque buildup.

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First Claim