Expandable transluminal atherectomy catheter system and method f

Details Expandable transluminal atherectomy catheter system and method f Expandable transluminal atherectomy catheter system and method f

1989-09-14

1992-03-31

Rosenbaum, C. Fred

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

604 22, A61B 1722

Patent

active

051004259

ABSTRACT:
An expandable transluminal atherectomy catheter system (10) is provided which includes an expandable transluminal atherectomy catheter (ETAC) (20), a balloon-on-a-guide wire (30), a sheathing catheter (40) and a rotator unit (60). The balloon-on-a-guide wire (30) is advanced through an arterial system to a predetermined point. The ETAC (20) within a sheathing catheter (40) is advanced over the guide wire cylinder (32). Prior to injection of a medium the sheathing catheter (40) is pulled back to allow spokes (24) of ETAC (20) to expand. The system (10) removes atheromatous plaque to a larger diameter than the diameter of the catheter (20) where it percutaneously penetrates the skin by the anterograde transluminal catheter whose distal end can be expanded after insertion of the catheter (20) into an artery.

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