Continuously pumped miniature X-ray emitting device and system for in-situ radiation treatment
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United States of America Patent
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Aug 20, 2002
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N/A
app pub date -
Oct 20, 2000
filing date -
Oct 20, 2000
priority date (Note) -
Expired
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Abstract
An apparatus and method for in-situ x-ray radiation treatment utilizes different types of miniature energy transducers to emit x-rays. Each type of energy transducer includes a transducer body, a cathode provided at one end of the transducer body, and an anode provided at another end of the transducer body. The transducer body, cathode and anode define a cavity that communicates with an evacuation opening. A desired vacuum is achieved and maintained by a dynamic pumping mechanism that draws a vacuum in the cavity via the evacuation opening.
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