Multi-frequency microwave-induced thermoacoustic imaging of biological tissue
First Claim
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1. A method of examining biological tissue, comprising the steps of:
- radiating a tissue region with a plurality of microwave radiation pulses, said plurality of radiation pulses swept across a range of microwave frequencies, wherein said tissue region emits a plurality of thermoacoustic signals responsive to said microwave pulses, and forming at least one image of said breast region from said plurality of thermoacoustic signals.
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Abstract
A method and system for examining biological tissue includes the steps of radiating a tissue region with a plurality of microwave radiation pulses. The microwave pulses are swept across a range of microwave frequencies. In response to the swept frequency microwave pulses, the tissue region emits a plurality of thermoacoustic signals. At least one image of the tissue region is formed from the plurality of thermoacoustic signals. The signals can be ultrawideband signals.
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Citations
16 Claims
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1. A method of examining biological tissue, comprising the steps of:
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radiating a tissue region with a plurality of microwave radiation pulses, said plurality of radiation pulses swept across a range of microwave frequencies, wherein said tissue region emits a plurality of thermoacoustic signals responsive to said microwave pulses, and forming at least one image of said breast region from said plurality of thermoacoustic signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for examining biological tissue, comprising:
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a microwave radiation source for radiating a tissue region with a plurality of microwave radiation pulses, said pulses swept across a range of microwave frequencies, wherein said tissue region emits a plurality of thermoacoustic signals responsive to said microwave pulses;
an acoustic transducer array for receiving said thermoacoustic signals, said transducer array providing electrical signals in response thereto, and an imager for forming at least one image of said tissue region from said electrical signals. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification