X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1989-05-02
1991-06-04
Westin, Edward P.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378196, 378197, A61B 600
Patent
active
050220608
ABSTRACT:
Problems related to acquistion time with reconstructed image type tomographs are resolved by causing step by step rotations of the X-ray tube/multiple detector set of this tomograph and, at each step, by causing a translational movement of this set in order to scan the entire region to be examined of a body under examination. It is shown that, by using a multiple row multidetector, it is possible, at equal speeds, to improve the quality of the images produced or, at equal quality, to increase the acquisition speed. Furthermore, this mode of operation is especially well suited to the monitoring of radiotherapy action where the practitioner, when acquiring images, needs to be able to touch the patient.
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Chu Kim-Kwok
General Electric CGR SA
Westin Edward P.
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