Transformable dual head spect camera system

Details Transformable dual head spect camera system Transformable dual head spect camera system

1994-08-18

1996-10-29

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

25036308, G01T 1164, G01T 1166

Patent

active

055699243

ABSTRACT:
A SPECT camera system has two detector heads (16a, 16b) which are movable between position (FIG. 2) and an adjacent, orthogonal position (FIG. 3). The detector heads have slide members (42a, 42b) which are slidably received on linear guide members (40a, 40b) of carriers (16a, 16b). The carriers have followers (20a, 22a, 24a; 20b, 22b, 24b) which are slidably received along linear guide paths (26a, 28a, 30a; 26b; 28b, 30b). Hydraulic or other extensible cylinders (32a, 32b) selectively permit the carriers, hence the detector heads, to slide along the guide paths between the 180.degree. opposite and the adjacent, orthogonal positions. Preferably, a rotating gantry (12) is rotated to place both detector heads above an intended position. In this manner, the extensible cylinders controllably lower the detector heads as they move by gravity from the present position to the intended position. In both the 180.degree. opposite and the adjacent orthogonal positions, the detector heads concurrently rotate around an axis of rotation (14a) and move radially in and out to minimize the distance between the subject and the detector head.

REFERENCES:
patent: 4204123 (1980-05-01), Stoddart
patent: 5039859 (1991-08-01), Sanz et al.
patent: 5367169 (1994-11-01), Pierfitte
patent: 5444252 (1995-08-01), Hug et al.
Sopha Medical Advertising Brochure, 1993 (2 pp.).
ADAC Laboratories Advertisement, 1993 (3 pp.).

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