Importance

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Abstract

A rotary flexible agitator system for removing an obstruction from within a patient's vessel that a motor-driven rotary flexible agitator-shaft disposed in the tubular housing, the agitator-shaft having an offset distal-agitator attached to its distal end that extends out of the open distal end, the effective diameter of the offset distal-agitator being substantially larger than its cross-sectional diameter, wherein rotating the offset distal-agitator breaks the obstruction in the vessel to pieces and the relative motion between the rotary flexible agitator-shaft and the flexible tube reduces the longitudinal friction that may resist the movement of the pieces through the flexible tube; and a catheter in which the flexible tube is disposed and guided into the vessel having a barrier at its distal end section for temporarily blocking flow through the vessel and reducing the likelihood of distal embolization.

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First Claim