Adjustably Stiffenable Convertible Catheter Assembly
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Abstract
A stiffenable balloon catheter assembly capable of being converted from an “over-the-wire” mode with respect to a guidewire extending therethrough to a “rapid-exchange” mode with respect to a guidewire extending therethrough, and vice versa. The catheter has a plurality of lumens, one lumen however, having a side opening with an obstructable galp, the orientation of which, determines the utilization “mode” of the catheter assembly. Stiffening stylets may be adjustably locked into the lumens, depending upon the “mode”, to control the stiffness of the catheter assembly during its utilization within a patient.
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Citations
42 Claims
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1-28. -28. (canceled)
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29. A rapid-exchange balloon catheter, comprising:
an elongated polymer catheter body and an inflatable balloon, inflatable by delivering an inflation fluid through the body, said catheter operable in rapid-exchange mode by locating a guidewire through a side wall of said catheter body and into a first lumen of said catheter body, said catheter body having a separate second lumen including an elongated stiffener. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
Specification