Imatron, Inc.

Brian K Rutt

Douglas P Boyd

A tomogram is obtained by tomosynthesis in a high speed CT scanning system in which fan beams of radiation are generated by sweeping an electron beam along a target, and collimated X-rays emitted by the target are received by an array of detectors after passing through a patient area between the target and array of detectors. The patient is moved through the collimated x-rays as the measurments are obtained, and the measurements are time-correlated to correspond to data measurements for a plurality of projection radiographs. The measurements for the plurality of radiographs are combined to tomosynthesize a tomogram at a selected plane in the patient.

Tomosynthesis using high speed CT scanning system

A stereoscopic or three dimensional radiograph or a continuously rotating three dimensional radiograph of a patient is obtained using a high speed CT scanning system in which fan beams of radiation are generated by sweeping an electron beam along a target. Collimated X-rays emitted by the target are received by an array of detectors after passing through a patient area between the target and the array of detectors. Two detector positions, comprising one or more detectors, each can be employed to obtain a pair of two dimensional projection radiographs. The radiographs are alternately viewed by a viewer by selectively opening and closing shutter means associated with the eyes of the viewer as the radiographs are alternately assembled for viewing whereby one eye sees one radiograph and the other eye sees the other radiograph. Alternatively, a plurality of pairs of detector positions can be employed in measuring radiation and obtaining a continuously rotating three dimensional projection radiograph.

Three dimensional scanned projection radiography using high speed

A two dimensional radiograph or a continuously rotating two dimensional radiograph of a patient is obtained using a high speed CT scanning system in which fan beams of radiation are generated by sweeping an electron beam along a target. Collimated X-rays emitted by the target are received by an array of detectors after passing through a patient area between the target and the array of detectors. A single detector position, comprising one or more detectors, can be employed to obtain a single two dimensional projection radiograph. Alternatively, a plurality of detector positions can be employed in measuring radiation and obtaining a continuously rotating two dimensional projection radiograph.

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San Francisco, CA, United States of America

Brian K Rutt