Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1986-12-02
1988-09-27
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
G01T 1166
Patent
active
047744120
ABSTRACT:
A scintillation camera system comprising, a detector, a detector-supporting device, and a support mechanism supporting the device. The support mechanism has first and second pivots set apart at a predetermined distance. The detector is designed to detect the radiation emitted from a patient. The detector-supporting device supports the detector rotatably and can prohibit the detector from rotating. The device has third and fourth pivots set apart at substantially the same distance as the first and second pivots are set apart. A first arm is pivotally connected to the first pivot at its proximal end and is pivotally connected to the third pivot at its distal end. A second arm, which has a length substantially equal to that of the first arm, is pivotally connected to the second pivot at its proximal end and is pivotally connected to the fourth at its distal end. The first and second arms and the four pivots constitute a parallel crank mechanism. Hence, the detector moves vertically, while the detector is orientated in one direction as long as the detector-supporting device prohibits the detector from rotating. When the detector-supporting device releases the detector, the detector can be tilted in any desired angle. The detector-supporting device is relatively light, and the scintillation camera system is therefore light and small.
REFERENCES:
patent: 2967939 (1961-01-01), Caha et al.
patent: 4216381 (1980-08-01), Lange
patent: 4459485 (1984-07-01), Span
patent: 4645933 (1987-02-01), Gambini et al.
Fields Carolyn E.
Kabushiki Kaisha Toshiba
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