Radiant energy – Radiation controlling means
Patent
1998-08-06
2000-06-27
Berman, Jack
Radiant energy
Radiation controlling means
2504923, 378147, G21K 102
Patent
active
060809922
ABSTRACT:
A bolus and final collimators are inserted into an apparatus for fixing radiation beam irradiation field forming member, fixed on the front end of radiation beam irradiating section within a rotation gantry, through grooves of a frame, and pushed in by a door until they reach a specified position determined by the existence of a back panel. Through this arrangement it is possible to easily perform an exchange of boluses and final collimators which is required each time therapy is renewed for a patient, and to accurately determine the position of new bolus and final collimators.
REFERENCES:
patent: 3114043 (1963-12-01), Thomas et al.
patent: 4140129 (1979-02-01), Heinz et al.
patent: 4221971 (1980-09-01), Burger
patent: 5866914 (1999-02-01), Jones
Manabe Nobutaka
Nonaka Hideki
Berman Jack
Sumitomo Heavy Industrie's, Ltd.
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