Computerized tomography (CT) imaging system with multi-slit rotatable collimator
US9208918B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2013 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Nov 18, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B6/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus for collimating an X-ray beam, the apparatus including a multi-slit rotatable collimator including a semi-tubular structure extending coaxially along a longitudinal axis and being formed out of an X-ray impermeable material, with at least two slits formed in the semi-tubular structure, wherein the at least two slits extend parallel to the longitudinal axis of the semi-tubular structure, a mount for rotatably supporting the semi-tubular structure in the path of an X-ray beam, and a drive mechanism for selectively rotating the semi-tubular structure about the longitudinal axis of the semi-tubular structure, whereby to selectively (i) position one slit in the path of the X-ray beam so as to tailor the X-ray beam to the width of that slit, and (ii) position a solid portion of the semi-tubular structure in the path of an X-ray beam so as to block an X-ray beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.