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Microcatheter with Hemodynamic Guide Structure
A catheter device for therapeutic and diagnostic use within a human vascular system in difficult to access locations such as bifurcating cerebral arteries. The distal end of the catheter body comprises a flexible material so that the catheter tip can deflect laterally towards the vessel wall in response to the hemodynamic lift. An intermediate section of the catheter body between the hub and the tip provides a semi-rigid control connection whereby pushing, pulling, and rotation of the hub produces a corresponding movement of the catheter tip.
U.S. Patent # 6,491,671: Microcatheter with hemosynamic guide structure
Inventors:Theodore Larson IIIRobert RoselliMark McQuain