Methods and devices for ablation
First Claim
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1. A system for ablating tissue with ultrasound energy, comprisinga plurality of ultrasound ablating elements, each ablating element being adapted to emit focused ultrasound energy;
- anda control system coupled to the ablating elements, the control system programmed to control activation of the ablating elements and to automatically change a frequency of the ablating elements when ablating the same tissue structure,wherein the control system is programmed to activate each ablating element at a first frequency for a first time period and to activate each ablating element at a second frequency, which is a predetermined frequency different from the first frequency, for a second time period.
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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
22 Claims
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1. A system for ablating tissue with ultrasound energy, comprising
a plurality of ultrasound ablating elements, each ablating element being adapted to emit focused ultrasound energy; - and
a control system coupled to the ablating elements, the control system programmed to control activation of the ablating elements and to automatically change a frequency of the ablating elements when ablating the same tissue structure, wherein the control system is programmed to activate each ablating element at a first frequency for a first time period and to activate each ablating element at a second frequency, which is a predetermined frequency different from the first frequency, for a second time period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification