News | May 08, 2007

Bi-Directional EZ Steer Facilitates Well-Controlled Ablations

May 9, 2007 — Biosense Webster today announced commercial availability of its EZ Steer NAV Bi-Directional Catheter, indicated for use with the Carto XP System, a unique navigational system that provides real-time feedback in guiding the catheter to the target.

The defining feature of the new bi-directional navigational catheter is its patented micro-tensioning system, which enables physicians, through a series of very small, continuous micro-movements, to progressively dial in the precise force desired for deflection of the catheter.

Because the micro-tensioning system can hold the deflection in place, there is no need for repeated locking and unlocking of the curve position. Physicians experience smooth deflection and a high degree of predictability.

The EZ Steer Catheters incorporate an ergonomically-inspired handle, a special design that aids comfort and provides the physician with a feeling of "direct connection" with the catheter tip and target ablation area. The EZ Steer Bi-Directional Catheter also acts as two curves in one catheter that provides physicians with continuity and procedural versatility.

"As an electrophysiologist, I appreciate having the flexibility of using the EZ Steer Catheter with or without the navigational system," said Emile Daoud, M.D., section director of Electrophysiology, Ohio State University, in Columbus, Ohio, who conducted the first worldwide case with the EZ Steer NAV Catheter. "EZ Steer NAV is an advancement for the bi-directional ablation catheters offered by Biosense Webster and simplifies the task of reaching more anatomy and helps ensure procedural success for patients."

Common forms of arrhythmia, such as atrial flutter, occur when abnormal electrical circuits develop inside of the heart's upper chambers, causing the heart to beat very quickly (about 150 beats per minute) and out of sync with lower chambers, or ventricles. By identifying and ablating (deactivating) the sources of the abnormal conduction, physicians can help restore normal function and protect patients from complications such as organ failure, heart failure and stroke.

The FDA approved the EZ Steer(TM) Catheter for marketing in September 2006. It is also available in Europe and Canada.

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