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KMID : 1038720130240010061
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Progress in Medical Physics
2013 Volume.24 No. 1 p.61 ~ p.67
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Study of the Respiratory Monitoring System by Using the MEMS Acceleration Sensor
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Sung Ji-won
Yoon Myong-Geun
Chung Weon-Kyu
Kim Dong-Wook
Shin Dong-Oh
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Abstract
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In this study, we developed and evaluated the patient respiration training method which can help to avoid the problems for the limitation of RGRT applicable patient cases. By using the MEMS (micro-electro-mechanical-system) acceleration sensor, we measured movement of motion phantom. We had compared the response of MEMS with commercially introduced real time patient monitoring (RPM) system. We measured the response of the MEMS with 1 dimensional motion phantom movement for 2.5, 3.0, 3.5 second of period and the 2.0, 3.0, 4.0 cm of the amplitudes. The measured period error of the MEMS system was 0.6~6.0% compared with measured period using RPM system. We found that the shape of MEMS signals were similar with RPM system. From this study, we found the possibility of MEMS as patient training system.
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KEYWORD
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Radiation therapy, Respiratory gating system, MEMS sensor, Respiratory training, Lung cancer
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