Cardiac ablation devices and methods
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United States of America Patent
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Apr 16, 2013
Grant Date -
Oct 11, 2007
app pub date -
May 30, 2007
filing date -
Dec 4, 2001
priority date (Note) -
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Abstract
Devices and methods provide for ablation of cardiac tissue for treating cardiac arrhythmias such as atrial fibrillation. The devices and methods are used to ablate epicardial tissue in the vicinity of the pulmonary veins, and other locations on a heart. Devices generally include at least one tissue contacting member for contacting epicardial tissue and securing the ablation device to the epicardial tissue, and at least one ablation member for ablating the tissue. Various embodiments include features, such as suction apertures, which enable the device to attach to the epicardial surface with sufficient strength to allow the tissue to be stabilized via the device. For example, some embodiments may be used to stabilize a beating heart to enable a beating heart ablation procedure. Many of the devices may be introduced into a patient utilizing minimally invasive introducer devices and the like. A preferred embodiment of the introducer device includes an integrated light source that can be activated at the time of use.
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