Scimed Life Systems, Inc.

Roy T Strandberg

Thomas J Hiblar

A guide wire brake for use in an ablation assembly includes a clamp positioned in and between recesses provided in an air-actuated piston and a retainer. The clamp is provided with a first member and a second member coupled together on opposite sides of a spring member. An outer surface of the clamp is tapered to matingly engage the tapered inner surface of the first and second recesses. In operation, the piston is in fluid communication with a source of air. As air contacts an inner surface of the piston, the piston moves toward the retainer, thereby pushing the first and second recesses together along the tapered outer surface of the clamp. This action causes the first and second members to overcome the spring force of the spring member, and clamp together against a guide wire extending therethrough, thereby preventing longitudinal and rotational motion of the guide wire. The first member has two studs that extend through apertures provided in the second member, and a crescent washer is provided around each of the studs, to function as a spring.

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Sacramento, CA, United States of America

Roy T Strandberg