Multi level multileaf collimators
US8637841B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2010 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Mar 18, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N5/1045
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A multilevel MLC includes a first set and a second set of a plurality of pairs of beam blocking leaves arranged adjacent one another. Leaves of each pair in the first set are disposed in an opposed relationship and longitudinally movable relative to each other in a first direction. Leaves of each pair in the second set are disposed in an opposed relationship and longitudinally movable relative to each other in a second direction generally parallel to the first direction. The first and second sets of pairs of leaves are disposed in different planes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.