SRS CONTOURED MULTI-LAYER MULTILEAF COLLIMATOR
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United States of America Patent
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Issued Date -
Sep 8, 2022
app pub date -
Mar 8, 2021
filing date -
Mar 8, 2021
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Abstract
An apparatus includes a first multileaf collimator comprising a plurality of pairs of beam-blocking leaves each comprising an end portion. The end portions of the beam-blocking leaves of one pair are contoured to allow forming a first aperture when the beam-blocking leaves of the pair are closed. The first aperture has a closed shape such as a circle in a beam's eye view.
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