Single photon emission computed tomograph using focused modular

Details Single photon emission computed tomograph using focused modular Single photon emission computed tomograph using focused modular

1986-07-10

1988-05-31

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250363S, 2505051, G01T 1166, G21K 102

Patent

active

047483288

ABSTRACT:
A single photon emission computed tomograph comprising a detector ring and a rotatable collimator assembly disposed within the detector ring. The rotatable collimator assembly comprises four collimator quadrants, and each of the four collimator quadrants comprises a plurality of collimator modules with their axes assembled in parallel. Each of the modules contains a plurality of inwardly directed channels focused to a single point on its own axis with a long focal length. The focal length of each of the collimator modules is individually and flexibly chosen to suit a particular imaging task. The four collimator quadrants are installed in the rotatable collimator assembly at a slightly different angular offset so as to achieve fine data sampling.

REFERENCES:
patent: 4079257 (1978-03-01), Jatteau et al.
patent: 4389569 (1983-06-01), Hattori et al.
patent: 4584478 (1986-04-01), Genna et al.

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