Kyoto University · Physics and Astronomy
Professor Tomohiro Inada's research lab specializes in medical physics and radiation oncology, focusing on advanced respiratory-gated radiotherapy techniques. The lab develops innovative synchronization systems that use sensitive strain gauges to monitor respiratory motion and precisely time proton beam irradiation during the breath-hold phase. Their work emphasizes improving treatment accuracy and minimizing radiation exposure to healthy tissues, particularly in thoracic and abdominal cancers. The lab integrates imaging, treatment planning, and real-time motion management to enhance clinical outcomes.
Figures are computed from collected data and may differ slightly.
A sensitive strain gauge was used to detect the movement of the chest wall in order to synchronize an irradiation control system with the respiratory cycle. The output timing signal from the system is transferred to the proton accelerator for synchronized irradiation. The timing signal is set during the expiratory phase at a duration of 1.5 to 2 seconds. The efficacy of this method was evaluated by dose volume histogram based on the treatment planning program with CT images. The volume spared by
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