Methods and devices for ablation
First Claim
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1. A system for ablating tissue with ultrasound energy, comprising:
- a plurality of ablating elements which each emit focused ultrasound energy; and
a control system coupled to the ablating elements, the control system controlling activation of the ablating elements and programmed to automatically change the frequency of the ablating elements when ablating the same tissue structure, each ablating element being activated to ablate tissue at a first frequency for a first plurality of time periods and to ablate the same tissue at a second frequency which is a predetermined frequency different than the first frequency, for a second plurality of time periods.
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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.
429 Citations
5 Claims
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1. A system for ablating tissue with ultrasound energy, comprising:
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a plurality of ablating elements which each emit focused ultrasound energy; and
a control system coupled to the ablating elements, the control system controlling activation of the ablating elements and programmed to automatically change the frequency of the ablating elements when ablating the same tissue structure, each ablating element being activated to ablate tissue at a first frequency for a first plurality of time periods and to ablate the same tissue at a second frequency which is a predetermined frequency different than the first frequency, for a second plurality of time periods. - View Dependent Claims (2, 3, 4, 5)
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Specification