Collimator for flow pixel proton therapy
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United States of America Patent
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Feb 20, 2018
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Jul 1, 2014
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Jul 25, 2013
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Abstract
A collimator for flow pixel proton therapy providing an irradiation region which controls an intensity of an irradiated proton, including micro-motors arranged at both sides of a main frame connected, one to one, to multiple spread panels arranged in a center opening of the main frame by a corresponding ones of multiple elastic reels, in which a first half of the spread panels are moved to a first side of the main frame and a second half of the spread panels are moved to a second side of the main frame by the opposite micro-motors when a corresponding elastic reel is wound by a corresponding micro-motor, and in which each spread panel is in a stress release state when the corresponding elastic reel is unwound.
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