US 2021/0241895 A1 · ACCEPTANCE, COMMISSIONING, AND ONGOING BENCHMARKING OF A LINEAR ACCELERATOR (LINAC) USING AN ELECTRONIC PORTAL IMAGING DEVICE (EPID)

Abstract

The present invention is a method or system for acceptance testing and commissioning of a LINAC and treatment planning system (TPS). For a LINAC commissioning, the present invention collects reference data from a fully calibrated LINAC and compares the reference data with machine performance data collected from a testing LINAC. The compared results are analyzed to assess accuracy of the testing LINAC. For a TPS commissioning, the present invention collects standard reference data from standard treatment plans and standard input data and compares the standard reference data with results from standard tests that are performed by a testing treatment plan system. The compares results are analyzed to assess accuracy of the testing treatment plan system.

Claims18

Dependent claims

A method for quality assurance testing of a linear accelerator (LINAC), said method comprising:

calibrating a reference machine according to standardized parameters, said reference machine comprising a LINAC and an electronic portal image device (EPID);
adjusting parameters of said LINAC of said reference machine and performing radiation operations with said LINAC of said reference machine;
collecting, based on said radiation operations, radiation measurement data from said EPID of said reference machine;
collecting reference data of said reference machine, said reference data representing differences in radiation measurements at said EPID of said reference machine relative to any changes to said parameters of said LINAC of said reference machine;
storing said reference data in a memory associated with at least one processor associated with said reference machine;
analyzing said reference data via a software analysis program associated with said processor, said processor being configured to execute said software analysis program;
and
calibrating another LINAC based on benchmarking relative to said reference data.

5 more elements

A non-transitory computer-readable recording medium having stored thereon executable instructions that, when executed by a processor of a system comprising a linear accelerator (LINAC), allow for quality assurance testing of a LINAC by executing steps comprising:

calibrating a reference machine according to standardized parameters, said reference machine comprising a LINAC and an electronic portal image device (EPID);
adjusting parameters of said LINAC of said reference machine and performing radiation operations with said LINAC of said reference machine;
collecting, based on said radiation operations, radiation measurement data from said EPID of said reference machine;
collecting reference data of said reference machine, said reference data representing differences in radiation measurements at said EPID of said reference machine relative to any changes to said parameters of said LINAC of said reference machine;
storing said reference data in a memory associated with at least one processor associated with said reference machine;
analyzing said reference data via a software analysis program associated with said processor, said processor being configured to execute said software analysis program;
and
calibrating another LINAC based on benchmarking relative to said reference data.

5 more elements

A system for quality assurance testing of a linear accelerator (LINAC), the system comprising:

a reference machine, said reference machine configured to be calibrated according to standardized parameters and comprising a LINAC and an electronic portal image device (EPID), wherein said LINAC of said reference machine is configured to perform radiation operations, wherein parameters of said LINAC of said reference machine are configured to be adjusted, and wherein said EPID of said reference machine is configured to, based on said radiation operations, generate radiation measurement data;
and
a memory associated with at least one processor associated with said reference machine, said memory configured to store said reference data of said reference machine, said reference data representing differences in radiation measurements at said EPID of said reference machine relative to any changes to said parameters of said LINAC of said reference machine, wherein said processor is configured to execute a software analysis program associated with said processor, said software analysis program configured to analyze said reference data of said reference machine, and said reference data is configured to serve as a benchmark for calibration of another LINAC.

Dependencies are inferred from the claim text.

Facts

Application

17/212,065Filed 25 Mar 2021

Priority

20 Jun 2014

Published

5 Aug 2021

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

G16H 40/40
ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or…:…
A61N 5/1075
Monitoring, verifying, controlling systems and methods: for testing, calibrating, or quality assurance of the radiation treatment apparatus
A61N 2005/1054
For verifying the position of the patient with respect to the radiation beam: using a portal imaging system
G16H
Healthcare informatics, i.e. information and communication technology [ict] specially adapted for the

Family

Application62/015,184Us provisional application · filed 20 Jun 2014

Application15/320,599Division · filed 20 Dec 2016

Application16/738,402Continuation · filed 9 Jan 2020

Application17/212,065Continuation

Application16/738,402Division

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