Ablation devices with sensor structures
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United States of America Patent
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Jul 10, 2012
Grant Date -
Oct 9, 2008
app pub date -
Apr 19, 2005
filing date -
Apr 19, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A cardiac ablation device, including a steerable catheter (10) and an expandable ablation element (18) incorporating one or more balloons (20, 22) at the distal end of the catheter, has a continuous passageway (28, 30) extending through it from the proximal end of the catheter to the distal side of the expandable ablation element. A probe (72) carrying electrodes is introduced through this passageway and deploys, under the influence of its own resilience, to a structure incorporating a loop (82) which is automatically aligned with the axis of the expandable ablation device, so that minimal manipulation is required to place the sensor probe.
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