Journal of Medical Physics
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Year : 2009  |  Volume : 34  |  Issue : 3  |  Page : 161-166

Target foil rupture scenario and provision for handling different models of medical cyclotrons used in India

1 Radiological Physics & Advisory Division, Bhabha Atomic Research Centre, Mumbai - 400 094, India
2 Shreeji Imaging & Diagnostic Pvt. Ltd, Navi Mumbai, India

Correspondence Address:
S D Sharma
Scientific Officer (E), RP&AD, BARC, 403 CTCRS, Anushaktinagar, Mumbai - 400 085
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-6203.54851

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Medical cyclotron is a particle accelerator used in producing short lived radiotracers such as 18 F, 11 C, 15 O, 13 N etc. These radiotracers are labeled with suitable pharmaceuticals for use to gather information related to metabolic activity of the cell using Positron Emission Tomography (PET) scan. Target foil rupture is considered one of the major emergency situations during medical cyclotron operations because there is a potential of over exposure to the working personnel. Radiation protection survey of a self-shielded medical cyclotron installation was carried out during normal and emergency conditions. It is found that the induced activity in the target foil increases with its successive usages. As a case study, we have evaluated the emergency handling procedures of GE PETtrace-6 medical cyclotron. Recommendations have also been made to reduce personal exposure while handling the target foil rupture condition such as the use of L-Bench near the target area and participation of experienced personnel.

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