Csa Medical, Inc.

Stephen M McCARTIN

Stephen A Griffin

Rafael Cordero

Wei Li Fan

Brian M Hanley

Benedict Shia

Sergei Babko-Malyi

A cryosurgery system for application of medical-grade liquid nitrogen to a treatment area via a small, low pressure, open tipped catheter. The system includes a console, including a touch panel computer, a cryogen module, a suction module and an electronics module, and a disposable spray kit. Features include optional low cryogen flow setting to reduce the cryogen flow rate by 50%, improved cryogen flow consistency reducing pressure pulses and peaks, an integrated suction pump for improved consistency and self-checks, specified vent tube areas and corresponding maximum expected pressures during cryospray procedure; optional pressure sensing capability to monitor pressure during a treatment, and novel catheter designs of multilayer and flexible construction providing a variety of spray patterns.

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Chelmsford, MA, United States of America

Stephen M McCARTIN