Multiplexing readout scheme for a gamma ray detector
US8269177B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2010 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Jan 14, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B6/037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for producing a PET image of a tissue using a PET scanner that includes scintillation crystals and detectors. A first crystal group including a first subset of crystals is formed, and a second crystal group including a second subset of the crystals is formed. The crystals in the first crystal group are different from crystals in the second crystal group A first beam striking one or more crystals of the first crystal group is converted to a first electrical signal, while a second beam striking one or more crystals of the second crystal group is converted to a second electrical signal, wherein the second beam is scattered from the first beam. The second electrical signal is corrected using a correction factor derived from at least one of a first and second timing relationships to compensate for energy in the second signal scattered from the first signal. An image of the tissue is created using the corrected second electrical signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.