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Development of wireless communication system in real-time internal radiation dose measurement system using magnetic field

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6 Author(s)
Sato, Fumihiro ; Graduate School of Engineering, Tohoku University, 6-6-05 Aoba, Aramaki aza, Aoba-ku, Sendai, Miyagi 980-8579, Japan ; Shinohe, Kohta ; Takura, Tetsuya ; Matsuki, H.
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In radiation therapy, excessive radiation occurs because the actual delivered dose to the tumor is unknown. To overcome this problem, we need a system in which the delivered dose is measured inside the body, and the dose data are transmitted from the inside to the outside of the body. In this study, a wireless communication system, using magnetic fields was studied, and an internal circuit for obtaining radiation dose data from an x-ray detector was examined. As a result, a communication distance of 200 mm was obtained. An internal circuit was developed, and a signal transmission experiment was performed using the wireless communication system. As a result, the radiation dose data from an x-ray detector was transmitted over a communication distance of 200 mm, and the delivered dose was determined from the received signal.

Published in:

Journal of Applied Physics  (Volume:105 ,  Issue: 7 )