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An initial investigation of a wireless patient radiation dosimeter for use in interventional radiology

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Abstract

Radiation exposure during interventional radiology (IR) procedures is a critical issue. We have developed a wireless real-time dosimeter for IR patients that use nontoxic phosphor (four sensors). We evaluated the basic performance parameters (such as dose linearity, batch uniformity, reproducibility, and wireless-communication conditions) of the developed system using an IR X-ray system. Further, we investigated the influence of noise from other medical equipment on our wireless real-time dosimeter in the IR X-ray room. Overall, our wireless system exhibited excellent performance in terms of uniformity, reproducibility, and linearity; moreover, the wireless communication performance was better. The developed system enabled real-time visualization of patient radiation dose, without noise contamination from other medical equipment. In addition, the wireless system can be easily installed in a location where the PC screen (display) can be readily viewed by the IR physician. Hence, we developed a wireless system that can display the patient radiation dose data in real time; the system performed satisfactorily upon application in radiation dosimetry. Therefore, our wireless system will facilitate the real-time monitoring/management of patient radiation dose during IR.

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Acknowledgements

We thank Masahiro Sota and Yoshihiro Haga, from Sendai Kousei Hospital, Japan, for their invaluable assistance. We also thank Shouko Ishizawa, Shuusei Maki, Fumika Yamada, Wakana Kawaguchi, and Yuuto Oomori, from Tohoku University, Japan, for their technical assistance.

Funding

This work was supported in part by a Grant-in-Aid for Scientific Research (17K10392) from the Japan Society for the Promotion of Science.

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Authors and Affiliations

  1. Department of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba, Sendai, 980-8575, Japan

    Yohei Inaba, Koichi Chida, Yuuki Murabayashi, Mime Endo, Kazuki Otomo & Masayuki Zuguchi

  2. Division of Disaster Medicine, International Research Institute of Disaster Science, Tohoku University, 6-6-4, Aoba, Sendai, 980-8579, Japan

    Yohei Inaba & Koichi Chida

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  1. Yohei Inaba
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  2. Koichi Chida
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  6. Masayuki Zuguchi
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Correspondence to Koichi Chida.

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This was a phantom study. This article does not contain any human and animal studies.

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Inaba, Y., Chida, K., Murabayashi, Y. et al. An initial investigation of a wireless patient radiation dosimeter for use in interventional radiology. Radiol Phys Technol 13, 321–326 (2020). https://doi.org/10.1007/s12194-020-00575-2

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  • DOI: https://doi.org/10.1007/s12194-020-00575-2

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