Systems and methods for automated treatment planning and optimization

By developing an automatic treatment planning system, using multiple clinical input data sources to automatically generate and optimize treatment plans, the problem of low degree of automation of treatment plan optimization in the prior art is solved, and efficient and clinically acceptable treatment plan generation and optimization are achieved.

CN114364435BActive Publication Date: 2025-03-18VARIAN MEDICAL EQUIPMENT (CHINA) CO LTD
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Patent Information

Application Number
CN202080062881.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2019-09-09
Filing Date
2020-09-08
Publication Date
2025-03-18
Estimated Expiration
2040-09-08

AI Technical Summary

Technical Problem

The prior art is difficult to automate the optimization of radiation therapy treatment plans, especially in intensity modulated radiation therapy (IMRT) and volume modulated arc therapy (VMAT), and the generation and optimization of new treatment plans during adaptive treatments is time-consuming, with the lack of automatic optimization function.

Method used

An automated treatment planning system was developed that enables the automatic generation and optimization of treatment plans using multiple clinical input data sources (such as knowledge-based information and clinical purpose templates), including automatic generation of auxiliary targets to guide dose optimization, automatic replacement of incompatible clinical purposes, and automatic optimization of adapted treatment plans in an adaptive workflow.

Benefits of technology

It realizes efficient generation and optimization of treatment plans in automatic workflows, reduces the workload of clinical users, improves the automation level of treatment plans, and ensures that the output treatment plans are clinically acceptable.

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Abstract

Systems and methods for automatically generating and optimizing radiation therapy treatment plans, and systems and methods for automatically generating and optimizing adaptive plans in adaptive radiation therapy workflows. In one embodiment, an automatic treatment planning system includes: a user interface; and a treatment planning module configured to automatically generate S110 one or more treatment plan candidates based on a weighted combination of a first set of objectives derived for clinical data of a first data source and a second set of objectives derived for clinical data of a different second data source received via the user interface.
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