Radiant energy – Inspection of solids or liquids by charged particles – Analyte supports
Patent
1980-06-04
1982-04-13
Smith, Alfred E.
Radiant energy
Inspection of solids or liquids by charged particles
Analyte supports
A61B 600
Patent
active
043249787
ABSTRACT:
In an exemplary embodiment, the measuring arrangement including the x-ray tube and radiation receiver, is capable of being locked against rotation, and the patient support is capable of being locked against longitudinal movement. The x-ray beam is selectively limited in extent by means of an adjustable diaphragm. In the case of a locked measuring arrangement and patient support and a limited x-ray beam, the measured values of the radiation receiver are detected by a computer which, from them and from information regarding the cross section of a vessel to be examined, determines the concentration and/or quantity of an x-ray contrast agent therein. The information regarding the cross section is obtained with a normal computer tomographic scanning operation.
REFERENCES:
patent: 4118631 (1978-10-01), Froggatt
patent: 4150293 (1979-04-01), Franke
patent: 4174481 (1979-11-01), Liebetruth
Kalender Willi
Linke Gerhard
Pfeiler Manfred
Grigsby T. N.
Siemens Aktiengesellschaft
Smith Alfred E.
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