Gantry for computed tomography

Details Gantry for computed tomography Gantry for computed tomography

1977-02-25

1978-06-06

Smith, Alfred E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250490, A61B 602, G01N 2308

Patent

active

040938611

ABSTRACT:
An X-ray source and a detector array are mounted on opposite sides of a generally horizontally extending longitudinal axis of a rotating base. The rotating base is journaled on a tiltable frame. The frame is supported on curved tracks for tilting by translating along a curved path about a fixed transverse virtual axis of rotation which is perpendicular to and intersects the rotational axis of the rotating base. Tilting the frame permits making an X-ray scan through a layer of a patient which is at an acute angle relative to the longitudinal axis. The azimuth drive for the rotatable frame utilizes a toothed belt. A self-acting friction brake is provided for constraining the rocking base. A hoist is provided for making installation and removal of the X-ray source convenient.

REFERENCES:
patent: 1042456 (1912-10-01), Manson
patent: 1389068 (1921-08-01), Olson
patent: 2103693 (1937-12-01), Pohl
patent: 3525308 (1970-08-01), Koopmans
patent: 3922552 (1975-11-01), Ledley

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