Multi-leaf collimator and radiotherapy equipment
US11524177B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Apr 11, 2019 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Apr 11, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG21K1/046
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A multi-leaf collimator includes a first carriage, a second carriage, a drive device, a first set of leaves disposed on the first carriage, and a second set of leaves disposed on the second carriage, wherein the first set of leaves and the second set of leaves are disposed oppositely to each other, and each leaf in each of the sets of leaves is movable relative to each respective carriage; and the drive device is configured to drive the first carriage and the second carriage to move in the same direction synchronously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.