SYSTEMS AND METHODS FOR DRIVING LEAVES IN A MULTI-LEAF COLLIMATOR
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Feb 23, 2024
filing date -
Aug 24, 2021
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Abstract
An MLC may include a plurality of leaves configured to shape a radiation field, and a plurality of driving assemblies each of which is configured to drive one of the plurality of leaves to a desired target position for shaping the radiation field. The driving assembly associated with a leaf may include a driving component configured to drive the leaf toward a desired first position with a speed exceeding a speed threshold; and a braking component configured to stop the leaf within a time period in response to a determination that the leaf arrives at the desired first position. In some embodiments, the time period of the braking component for stopping the leaf may be less than a time threshold.
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