X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1994-10-06
1995-11-28
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Absorption
378124, 378125, A61N 510
Patent
active
054715164
ABSTRACT:
Apparatus equipped for both megavoltage radiotherapy and a diagnostic X-ray source for portal imaging. Both the high energy therapeutic and low energy diagnostic source of radiation are physically located at the same point in apparatus space, and utilize a single moveable target converter that is physically positioned according to the desired use, either therapy or diagnostics.
REFERENCES:
patent: 3582650 (1971-06-01), Avery
patent: 5010562 (1991-04-01), Hernandez et al.
patent: 5044006 (1991-08-01), Cyrulnik
patent: 5117829 (1992-06-01), Miller et al.
The Stanford Medical linear Accelerator, by M. Weissbluth, C. J. Karzmark, R. E. Steele and A. H. Selby, published in vol. 72 of Radiology, pp. 242-253, Feb. 1959.
Fishman Bella
Porta David P.
Power David J.
Varian Associates Inc.
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