Vascular incisor/dilator

Details Vascular incisor/dilator Vascular incisor/dilator

A - Human Necessities

61

M

A61M 25/00 (2006.01) A61B 17/22 (2006.01) A61B 17/32 (2006.01) A61M 25/01 (2006.01) A61B 17/00 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2157697

A device and method for clearing a stenosis in a vessel of a patient requires a probe catheter having a cone-shaped probe at its distal end. The probe has a distally diminishing taper and also has a plurality of blades which are mounted on the probe and longitudinally aligned with the probe catheter. Advancement of the probe through the vessel to the stenosis can be accomplished either over a prepositioned guidewire or through a prepositioned guide catheter. At the stenosis, the probe with mounted blades are reciprocally moved back and forth across the stenosis to incise and dilate the stenosis and, thus, clear the stenosis. Movement of the probe across the stenosis can be facilitated by selectively activating a rigidizer which is located on the probe catheter immediately proximal to the probe. Additionally, a balloon can be mounted on the probe catheter proximal the probe member and selectively inflated at the stenosis after the stenosis has be incised and dilated.

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