SRS contoured multi-layer multileaf collimator
US12233284B2 · kind B2 · utility
0Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2021 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Oct 29, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/101
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus includes a first multileaf collimator comprising a plurality of pairs of beam-blocking leaves each comprising an end portion. The end portions of the beam-blocking leaves of one pair are contoured to allow forming a first aperture when the beam-blocking leaves of the pair are closed. The first aperture has a closed shape such as a circle in a beam's eye view.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.