Development of novel in-vivo dosimeter using implantable fiducial coil marker

Research Project

Project/Area Number	24659552
Research Category	Grant-in-Aid for Challenging Exploratory Research
Allocation Type	Single-year Grants
Research Field	Radiation science
Research Institution	Hokkaido University
Principal Investigator	ISHIKAWA Masayori 北海道大学, 医学(系)研究科(研究院), 教授 (80314772)
Project Period (FY)	2012-04-01 – 2014-03-31
Project Status	Completed (Fiscal Year 2013)
Budget Amount *help	¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000) Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000) Fiscal Year 2012: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords	線量計 / 体内線量 / 非接触測定技術 / 体内マーカ / アンテナ / 体内マーカー / 体内線量測定 / 金マーカー / 高精度放射線治療 / 動体追跡放射線治療
Research Abstract	The purpose of this study is developing implantable fiducial marker which has dosimeter function for cummlative absorbed dose with wireless measurement. By using capacitance change due to radiation irradiation, irradiated dose to marker can be measured by measuring resonant frequency of coil-capacitor system. A network analyzer-based measurement was performed to measure capacitance through an antenna coil, we succeeded in precise measurement for the capacitance ranging from 1 pF to 100 nF. Additionally, we conclude that wireless measurement of 20 cm distance is possible from simulation results.

Report

(3 results)