Ultrasound therapy
First Claim
Patent Images
1. A method of delivering ultrasound signals, the method comprising:
- providing an image of at least a portion of a subject intended to receive ultrasound signals between sources of the ultrasound signals and a desired region of the subject for receiving focused ultrasound signals;
identifying, from the image, physical characteristics of portions of material between the sources and the desired region; and
using a spectral propagation analysis to determine at least one of phase corrections and amplitude corrections for the sources depending on the respective physical characteristics of the portions of the material disposed between each source and the desired region.
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Abstract
A method of delivering ultrasound signals includes providing an image of at least a portion of a subject intended to receive ultrasound signals between sources of the ultrasound signals and a desired region of the subject for receiving focused ultrasound signals, identifying, from the image, physical characteristics of portions of material between the sources and the desired region, and using a spectral propagation analysis to determine at least one of phase corrections and amplitude corrections for the sources depending on the respective physical characteristics of the portions of the material disposed between each source and the desired region.
109 Citations
21 Claims
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1. A method of delivering ultrasound signals, the method comprising:
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providing an image of at least a portion of a subject intended to receive ultrasound signals between sources of the ultrasound signals and a desired region of the subject for receiving focused ultrasound signals;
identifying, from the image, physical characteristics of portions of material between the sources and the desired region; and
using a spectral propagation analysis to determine at least one of phase corrections and amplitude corrections for the sources depending on the respective physical characteristics of the portions of the material disposed between each source and the desired region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for delivering ultrasound signals, the system comprising:
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an apparatus configured to analyze an image of at least a portion of a subject intended to receive ultrasound signals between sources of the ultrasound signals and a desired region of the subject for receiving focused ultrasound signals, the apparatus configured to determine, from the image using a spectral projection analysis, information about the at least a portion of the subject; and
an array of sources of ultrasound signals having at least respective ones of their relative phases and their amplitudes set in accordance with the information about the at least a portion of the subject provided by the apparatus. - View Dependent Claims (11, 12, 13)
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14. A computer program product residing on a computer readable medium and comprising computer-readable, computer executable instructions for causing a computer to:
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analyze an image of at least a portion of a subject to receive ultrasound signals between sources of the ultrasound signals and a desired region of the subject for receiving focused ultrasound signals to identify, from the image, physical characteristics of respective portions of material between the sources and the desired region; and
determine, using a wavevector-frequency domain projection algorithm, at least one of phase corrections and amplitude corrections for the sources depending on respective physical characteristics of portions of the material disposed between each source and the desired region. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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Specification