Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1990-11-21
1992-03-03
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
25036305, G01T 1166
Patent
active
050935755
ABSTRACT:
A patient is supported along a longitudinal axis for a patient table (10). An outer gantry structure (20) is mounted to move on rails (22) parallel to the longitudinal axis. The outer gantry structure supports a large diameter outer race (46) of a large diameter bearing (42). An inner race (44) of the large diameter bearing doubles as a structural outer frame for an inner gantry structure (30) which defines a patient receiving aperture (36) centrally therethrough. The large diameter bearing enables the inner gantry structure to rotate about the longitudinal axis. A motor (68) selectively adjusts an angular position of a first detector head (32) about a first axis (62) that lies in a plane transverse to the longitudinal axis through the large diameter bearing. A second motor (78) selectively adjusts an angular position of a second detector head (34) about a second axis (72) also lying in the plane. The motors (86) and (96) along with associated drive mechanisms selectively move the first and second camera heads, independently, toward and away from the longitudinal axis.
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Hannaher Constantine
Picker International Inc.
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