Device for checking the irradiation dose measuring circuits used

Details Device for checking the irradiation dose measuring circuits used Device for checking the irradiation dose measuring circuits used

1976-06-17

1978-05-30

Borchelt, Archie R.

Radiant energy

Invisible radiant energy responsive electric signalling

250401, 250413, G01T 117, H05G 126

Patent

active

040925382

ABSTRACT:
Device making it possible to check, prior to or after each irradiation treatment session, the proper operation of the dose-measuring systems associated with a radiotherapy apparatus and comprising at least one dose-measuring circuit equipped with a counter system of preselect design. This device comprises a pulse generator G, means for applying said pulses to the counter system of at least one of the measuring circuits and means making it possible to halt the generator G and reset the counter system to zero when coincidence occurs between the preselected number of pulses corresponding to a preselected dose level D and the displayed number of pulses corresponding to the dose level effectively delivered by an irradiation source S.

REFERENCES:
patent: 3486025 (1969-12-01), Brinkerhoff et al.
patent: 3911273 (1975-10-01), Franke
patent: 3953736 (1976-04-01), Kubisiak et al.
patent: 3974385 (1976-10-01), Grim
patent: 3988587 (1976-10-01), Shreve et al.

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