X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1980-07-14
1982-08-17
Smith, Alfred E.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
128653, A61B 600
Patent
active
043451578
ABSTRACT:
The invention relates to a novel process for the use of a transverse axial tomo-scanner in such a way that it can be used for carrying out cinedensigraphy.
Instead of measuring the different projections of the cross-section during examination as a function of the different angular positions of the radiation absorbing device, the same projection (i.e. with a fixed device in the plane of the section) is measured at different times constituting a sampling of the phenomenon to be observed.
It is thus possible to visually display the evolution in time of cyclic or non-cyclic phenomena by using equipment which is not, a priori, intended for this purpose.
REFERENCES:
patent: 3952201 (1976-04-01), Hounsfield
patent: 4182311 (1980-01-01), Seppi et al.
"Thomson-CSF"
Grigsby T. N.
Smith Alfred E.
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