Retractable collimator apparatus for a CT-PET system
US6700949B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2001 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Sep 25, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2223/612
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for use with a combined CT-PET system wherein a CT source and detector are mounted to a front end of a CT support and the support forms a parking space about a translation axis, a PET detector is mounted to a rear end of the support and a collimator support extends from the PET detector at least part way into the parking space, a collimator is mounted to the collimator support for movement between first and second positions inside the PET detector and outside the PET detector and at least partially within the parking space, respectively, a radiation blocking shield is mounted to the PET detector opposite the CT support to block radiation from that direction from being detected by the PET detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.