Image shift for gamma camera

Details Image shift for gamma camera Image shift for gamma camera

1998-05-29

2000-11-14

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

25036304, 25036308, G01T 1166

Patent

active

061473537

ABSTRACT:
A gamma camera includes first and second detectors which face an examination region. The detectors are rotatable about the examination region and translatable in a direction tangential to the examination region. Translation of the detectors is coordinated with the rotation of the detectors about the examination so as to increase the effective field of view of the detectors. In a first embodiment, the detectors are translated in the transverse direction when the detectors are located at each of a plurality of positions about the examination region. In a second embodiment, translation of the detectors is coordinated such that, for a given projection angle, the first detector is used to detect radiation data from a subset of the region of interest.

REFERENCES:
patent: 3979594 (1976-09-01), Anger
patent: 4197460 (1980-04-01), Anger
patent: 4213054 (1980-07-01), Doherty, III
patent: 4888486 (1989-12-01), Plummer et al.
patent: 5691538 (1997-11-01), Ohike et al.

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