Gantry for computed tomography

Details Gantry for computed tomography Gantry for computed tomography

1977-02-25

1978-09-19

Smith, Alfred E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250490, A61B 602, G01N 2308

Patent

active

041156951

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: 3281598 (1966-10-01), Hollstein
patent: 3852611 (1974-12-01), Cesar
patent: 3922552 (1975-11-01), Ledley

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