X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1994-12-20
1995-12-05
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378 15, A61B 604
Patent
active
054736579
ABSTRACT:
An improved X-ray tomography system having an X-ray source, X-ray detector assembly and support means including a frame supporting a rotatable drum on which at least the source is mounted for rotation in a scanning plane about an axis of rotation. The rotatable drum is supported for centerless rotation on a cradle formed by resilient rollers, with the top half of the drum free to expand or contract as a result of temperature changes. The rollers are resilient so as to dampen vibration transfer between the frame and drum.
REFERENCES:
patent: 4201430 (1980-05-01), Dinwiddle et al.
patent: 4928283 (1990-05-01), Gordon
patent: 5093850 (1992-03-01), Dinwiddie et al.
patent: 5109397 (1992-04-01), Gordon et al.
Analogic Corporation
Porta David P.
Wong Don
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