SOURCE SWITCHING APPARATUS FOR MULTI-SOURCE RADIATION THERAPY EQUIPMENT AND RADIATIONTHERAPY EQUIPMENT USING SAME
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United States of America Patent
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Issued Date -
Jul 23, 2015
app pub date -
Aug 19, 2014
filing date -
Dec 25, 2013
priority date (Note) -
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Abstract
A source switching apparatus comprises a plurality of collimators, a switch carrier, a source carrier. The switch carrier is assembled with a plurality of shielding elements regularly distributed thereon. The source carrier is assembled with a plurality of radiation sources regularly distributed thereon. The collimator, the switch carrier, and the source carrier are connected to one another via respective driver, to rotate with common angular velocity or in a differential movement, and wherein in the case when the differential movement is holding, a angle difference is formed between the switch carrier and the source carrier.
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