Device for checking the irradiation dose measuring circuits used to measure the irradiation doses delivered by a radiotherapy apparatus
US4092538A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1976 |
| Grant date | May 30, 1978 |
| Priority date | — |
| Expiry date | Jun 17, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B1/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.