Since the late 1970s, physicians have obtained promising results with rigid cryoprobes delivery of cold energy to freeze the symptomatic points in the hearts of patients with severe arrhythmias. The downside of this cryoablation technique is that it can only be done in open surgery. Developments in minimally invasive catheter ablation procedures soon overtook the field and radio-frequency (RF) became the energy source of choice since it is readily deliverable to the tip of a flexible catheter.
But CryoCath Technologies Inc. 's president and CEO, Steven G. Arless, believes cold energy maintains certain advantages over RF...
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