Asymmetric S.P.E.C.T. collimator which surrounds the patient

Details Asymmetric S.P.E.C.T. collimator which surrounds the patient Asymmetric S.P.E.C.T. collimator which surrounds the patient

1987-09-02

1988-09-27

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

378 4, G01T 1166

Patent

active

047744103

ABSTRACT:
First, second, third and fourth sections of a collimator are arranged to bound an asymmetric interior region. The collimator has one and only one focal point, which is located inside the body to be imaged. The first and second sections are curved and are preferably circular arcs with different radii of curvature. The third and fourth sections are straight.

REFERENCES:
patent: 4095107 (1978-06-01), Genna et al.
Yoshihisa Akiyama et al., "A Study for Increasing the Resolution of the SPECT Image." Japanese Journal of Nuclear Medicine, vol. 24, No. 1 (Jan. 1987), pp. 71-75, as reported in Japanese Technical Abstracts, vol. 2, No. 8 (Aug. 1987), p. 365.

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