Microwave energy delivery system including high performance dual directional coupler for precisely measuring forward and reverse microwave power during thermal therapy
First Claim
Patent Images
1. A microwave energy delivery system for microwave thermal therapy, comprising:
- an antenna;
a transmission line connected to the antenna; and
a microwave generating source including a generator connected to the transmission line and a dual directional coupler for measuring forward power delivered to the antenna and reverse power reflected from the antenna with an uncertainty of no more than 1%.
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Abstract
A microwave energy delivery system for microwave thermal therapy includes an antenna and a transmission line connected to the antenna. A microwave generating source includes a generator connected to the transmission line and a dual directional coupler for detecting forward power delivered to the antenna and reverse power reflected from the antenna with low uncertainty.
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Citations
19 Claims
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1. A microwave energy delivery system for microwave thermal therapy, comprising:
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an antenna; a transmission line connected to the antenna; and a microwave generating source including a generator connected to the transmission line and a dual directional coupler for measuring forward power delivered to the antenna and reverse power reflected from the antenna with an uncertainty of no more than 1%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A microwave energy delivery system for microwave thermal therapy, comprising:
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an antenna; a transmission line connected to the antenna; and a microwave generating source comprising; a generator connected to the transmission line, the generator supplying energy o f selectively controlled power and with a frequency that is selectively controlled in a range of 902 and 928 MHz; a dual directional coupler for detecting forward power delivered to the antenna and reverse power reflected from the antenna with an uncertainty of no more than about 1%; and a controller for adjusting the power and/or frequency of the energy supplied by the generator in response to the reverse power detected by the dual directional coupler. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification