Methods for treatment planning
US11291857B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2020 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | May 14, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N5/1071
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In the field of radiotherapy, methods for dose or treatment planning for a radiation therapy system having a collimator, includes determining shots to be delivered during said treatment, each shot being associated with an isocenter and being modelled by a spatial dose volume distribution of radiation, the shape of said spatial distribution depending on the specific collimator setting and said selected dose level, including selecting isocenter positions within a target in a predetermined angle range; evaluating each isocenter based on predetermined conditions; selecting at least a specific collimator and sector setting for each isocenter based on the evaluation; calculating a dose for the selected isocenters; repeating the steps until at least one stopping criteria has been reached, wherein a final set of isocenters are provided; and using the final set of isocenters in treatment planning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.