| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2019: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2018: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
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| Outline of Final Research Achievements |
Objectives are improving the HIFU system and establishing fetal treatment for TTTS. Planed methods were 1. introduction of divided transducer, 2. introduction of phase modulation method, 3. implementation of focus visualization program, 4. changing to variable focus method, 5. introduction of HIFU noise removal method, 6. introduction of treatment monitoring, animal experiments, clinical irradiation. 1. Successful reduction of skin burns in animal experiments, 3. Successful focus visualization and prediction of unintended fever in animal experiments, and 4. Successful performance improvement to variable focus type. On the other hand, the progress was not as planned due to COVID-19 pandemicthe, such as closure of the animal experiment facility, the restriction of movement, and the stagnation of delivery. Therefore, the research plan was changed to make the system safer, more accurate, and more efficient without rushing to start clinical practice.
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