Jaw and circular collimator
US6005919A · kind A · utility
19Cited by
0References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1996 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Oct 25, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG21K1/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A collimator apparatus for a treatment planning machine that delivers a beam. A circular collimator defines a circular aperture for the beam. At least one movable collimator jaw is moved into the projection of the circular aperture with respect to the beam in order to eclipse a portion of the beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.