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US 10,475,537 B2Granted
Method and system for automated quality assurance and automated treatment planning in radiation therapy
AssigneeUniversity Health Network
InventorsThomas G. Purdie, Christopher James McIntosh, Igor Svistoun
Life of this patent
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Abstract
Methods and systems for evaluating a proposed treatment plan for radiation therapy, for evaluating one or more delineated regions of interest for radiation therapy, and/or for generating a proposed treatment plan for radiation therapy. Machine learning based on historical data may be used.
Claims11
A method for generating a proposed treatment plan for radiation therapy, the method comprising:
- obtaining a set of patient data for a patient including a set of image data for at least one treatment site;
- determining a treatment plan class, from a plurality of predefined treatment plan classes, each predefined treatment plan class defining one or more treatment plan features relevant to treatment of a respective treatment site;
- calculating a proposed dose map by determining a dosage over a volume depicted in the set of image data according to a first set of rules defining expected relationships between an applied dosage, the determined treatment plan class, and at least one feature of the set of image data;
- determining one or more treatment plan parameters for achieving the proposed dose map according to a second set of rules defining expected relationships between the applied dosage and treatment plans;
- generating as output the proposed treatment plan including the one or more determined treatment plan parameters;
- and
- displaying a visualization of the proposed dose map on a display device, wherein the visualization further comprises providing, with the visualization, a user interface for receiving user input,
- wherein the first set of rules includes at least one of a rule generated by computer learning based on historical data, a mathematical function relating dose values of the proposed dose map to the at least one feature of the set of image data, or a general rule governing dose maps entered manually.
5 more elements
Dependencies are inferred from the claim text.