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AssigneeThe United States of America as represented by the Department of Health and Human Services
InventorRobert L. Bowman
Estimating the term…
A torpedo device which is attached to the end of a guide wire to provide a local driving force to the end thereof. The torpedo includes a telescopic structure having a combustion chamber therein. In operation, a combustible fuel is fed to the combustion chamber and an explosion is created by igniting the combustible fuel. Upon explosion, the torpedo expands axially to drive a projectile portion thorough an obstructed or constricted vessel lumen. Fins can be included on the exterior of the torpedo to prevent backward movement. The fins can also be used to scrape or cut an obstruction by engaging the obstruction and subsequently applying rearward movement to the torpedo.
A wire-directed catheter which comprises:
A method of passing a wire-directed catheter through an obstructed lumen which comprises:
A method of clearing an obstruction from a lumen which comprises:
Dependencies are inferred from the claim text.