Journal of Medical Physics
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SCIENTIFIC NOTE
Year : 2008  |  Volume : 33  |  Issue : 4  |  Page : 171-174

Radiation burden of assistant medical technicians at a medical accelerator


Institute of Physical Chemistry, Georg August University, Tammannstr. 6, 37077 Goettingen

Correspondence Address:
M Grundel
Institute of Physical Chemistry, Georg August University, Tammannstr. 6, 37077 Goettingen

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-6203.44480

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A survey of a CLINAC 2100 C medical accelerator showed residual short half-life radiation after switching off the accelerator. This led to a dose of radiation for the medical employees when the patient was handled. The dose rate was measured with a dose rate meter FH40G, and annual dose for an assistant medical technician (AMT) was estimated under conservative conditions. In the assumed situation of 1000 patient treatment fractions with high-energy photons, an AMT would get an annual dose of 960 ÁSv, while the monthly dosimeter records would show zero, if the dose received is below threshold of 100 ÁSv.


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