Bi-modal catheter steering mechanism
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United States of America Patent
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Jul 12, 2016
Grant Date -
Mar 3, 2011
app pub date -
Aug 25, 2009
filing date -
Aug 25, 2009
priority date (Note) -
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Abstract
Medical devices, systems, and methods for treating patients with tissue ablation include catheter systems having bi-modal steering mechanisms, which are capable of both linear and loop ablation. In other words, the catheter system may have two different steering modes: two-dimensional and three-dimensional. In the first and second steering modes, the steering actuator may cause one or more portions of the catheter shaft to bend in different planes. A steerable ablation catheter may include treatment elements such as electrodes at its distal end and along the catheter shaft, each of which may map, pace, and ablate.
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