Tomographic apparatus and method

Details Tomographic apparatus and method Tomographic apparatus and method

1977-11-25

1979-01-23

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250505, G01T 120

Patent

active

041362837

ABSTRACT:
The present invention relates to a new and improved tomographic visualization apparatus and method. The apparatus includes a camera with a stationary collimator of a radiation dense material with channels therein for collecting radiation from a body which passes through the channels in the collimator. The radiation is thereafter detected and the signal information is processed so as to provide images of selected depths within the body. The stationary collimator includes a plurality of matching sections wherein, the center lines of the holes or channels in each sector are parallel to each other and the angular position of their center lines are at a sloping angle in relation to the surface plane of the scintillation crystal of the camera. The center lines of the channels in one sector are not parallel to the center lines of those of any other sector but slope toward the common plane of intersection along the camera axis to provide matching tomographic collimator sections. The images from the collimator sections are superimposed over one another in varying degrees to provide the reinforced images at varying depths.

REFERENCES:
patent: 3499146 (1910-03-01), Richards
patent: 3714429 (1973-01-01), McAfee et al.
patent: 3778614 (1973-12-01), Houndsfield et al.
patent: 3784820 (1974-01-01), Miraldi

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