Methods and devices for ablation
First Claim
Patent Images
1. A method of ablating tissue from an epicardial location, comprising the steps of:
- providing an ablating device having a tip;
advancing the ablating device through a space between the epicardium and pericardium;
removing the tip of the ablating device; and
ablating tissue with the ablating device.
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Abstract
An ablating device has a cover which holds an interface material such as a gel. The cover contains the interface material during initial placement of the device. The ablating device may also have a removable tip or a membrane filled with fluid. In still another aspect, the ablating device may be submerged in liquid during operation.
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Citations
6 Claims
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1. A method of ablating tissue from an epicardial location, comprising the steps of:
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providing an ablating device having a tip;
advancing the ablating device through a space between the epicardium and pericardium;
removing the tip of the ablating device; and
ablating tissue with the ablating device. - View Dependent Claims (2, 3, 4, 5, 6)
forming a closed loop with the ablating device after the removing step.
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3. The method of claim 1, wherein:
the advancing step is carried out with the ablating device having a plurality of ablating elements.
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4. The method of claim 1, wherein:
ablating step is carried out to form an ablation around the pulmonary veins.
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5. The method of claim 1, wherein:
the providing step is carried out with the tip having a length of at least two inches and being free of ablating elements.
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6. The method of claim 5, wherein:
the providing step is carried out with the tip having a length of at least four inches.
Specification