System for selective ultrasonic ablation
First Claim
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1. A system for treating tissue with high intensity focused ultrasound by exposing said tissue to a focused ultrasound beam arriving from different angular directions at different times, all said direction passing through said tissue.
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Abstract
The invention can selectively heat a diseased area, such as a tumor, in the body while minimizing heating of healthy surrounding tissue. This is done by exposing the undesired tissue to a scanning focused ultrasound beam arriving from different angular directions at different times, all directions passing through the undesired tissue. The system can scan the target area with low power ultrasound, and then activate the higher power over the selected target areas.
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Citations
20 Claims
- 1. A system for treating tissue with high intensity focused ultrasound by exposing said tissue to a focused ultrasound beam arriving from different angular directions at different times, all said direction passing through said tissue.
- 2. A high intensity focused ultrasound ablation system comprising a transducer mounted on a robotic manipulator, said manipulator capable of delivering an ultrasound beam from different angular directions having a common point of intersection at different times.
- 3. A system for heating undesired tissue by a beam of high intensity focused ultrasound while minimizing heating of adjacent tissue by continuously changing the direction of said beam.
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