X-ray or gamma ray systems or devices – Electronic circuit – With switching means
Patent
1990-10-26
1992-04-14
Howell, Janice A.
X-ray or gamma ray systems or devices
Electronic circuit
With switching means
378 95, 25022716, H05G 154
Patent
active
051054558
ABSTRACT:
A protection cover includes a pressure responsive means mounted within the cover along its inner wall surface and which operates responsive to external forces to be exerted upon contact with a neighboring object. The protection cover is provided at a portion where physical contact may occur between any of movable or rotating component devices of an X-ray diagnostic apparatus, such as, an X-ray exposure unit or an image intensifier, and a neighboring object which is in the path of the component devices, such as, a subject or a catheter table. The protection cover may, for example, be provided at a moving end of a component X-ray diagnostic apparatus, such as, the forward end of the image intensifier, or may be mounted, instead of being mounted on a movable component device, on a neighboring object at its side facing to the movable part of the component devices, such as, a stand section of the catheter table, which lies in the path of a moving part of the X-ray radiographing component devices.
REFERENCES:
patent: 4358856 (1982-11-01), Stivender et al.
patent: 4482890 (1984-11-01), Forbes et al.
patent: 4733408 (1988-03-01), Beikuefner et al.
patent: 4969170 (1990-11-01), Kikuchi et al.
Gunji Teruomi
Kato Kunitaka
Narita Sukekiyo
Howell Janice A.
Kabushiki Kaisha Toshiba
Wong Don
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