Pulse transmission scintigraphic imaging

Details Pulse transmission scintigraphic imaging Pulse transmission scintigraphic imaging

1993-01-08

1995-10-24

Porta, David P.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

2504981, G01T 1166

Patent

active

054612322

ABSTRACT:
A pulse transmission scintigraphic imaging system for providing image data for attenuation correction and fiducial alignment. The system includes a shuttered photon flood transmission source, secured opposite an Anger gamma scintillation camera by an adjustable armature, a motorized photon-occluding shutter mechanism for producing photon pulses from the photons emitted by the flood source and a gating system for providing a signal to the gamma camera indicative of the presence of a photon pulse (shutter mechanism open) or the absence of a photon pulse (shutter mechanism closed).

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patent: 5376795 (1994-12-01), Hasagawa et al.
patent: 5391877 (1995-02-01), Marks
Feldcam et al., "Practical Cone-Beam Algorithm", J. Opt. Soc. Am., 1984, 1, 612-619.
Gullberg et al., "Review of Convergent Beam Tomography in Singe Photon Emission Computed Tomography", Phys. Med. Biol. 1992, 37, 507-534.
Moore, Attenuation Compensation, Computed Emission Tomography, Oxford University Press, 1982, 339-350.
Bailey et al., "Improved Spect Using Simultaneous Emission and Transmission Tomography", J. Nucl. Med. 1987, 28, 844-851.

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