Adaptive aperture
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United States of America Patent
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Sep 29, 2020
Grant Date -
May 11, 2017
app pub date -
Nov 10, 2015
filing date -
Nov 10, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An example particle therapy system includes a particle accelerator to output a particle beam having a spot size; a scanning system for the particle accelerator to scan the particle beam in two dimensions across at least part of a treatment area of an irradiation target; and an adaptive aperture between the scanning system and the irradiation target. The adaptive aperture includes structures that are movable relative to the irradiation target to approximate a shape to trim part of the treatment area. The part of the treatment area has a size that is based on an area of the spot size.
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