トップ研究者を探す診断領域のX線被ばくの実測に向けたウエアラブル線量計の開発

診断領域のX線被ばくの実測に向けたウエアラブル線量計の開発

KAKEN 科学研究費助成事業データベース で見る
研究課題番号 KAKENHI-PROJECT-15K19205
研究種目 若手研究(B)
研究分野 生物系
医歯薬学
境界医学
医学物理学・放射線技術学
研究機関 徳島大学
代表研究者 林 裕晃
研究協力者 岡崎 徹
研究協力者 山田 健二
研究協力者 多田 佳司
研究期間 開始年月日 2015/4/1
研究期間 終了年度 2017
研究ステータス 完了 (2017/4/1)
配分額(合計) 4,030,000 (直接経費 :3,100,000、間接経費 :930,000)
配分額(履歴) 2017年度:390,000 (直接経費 :300,000、間接経費 :90,000)
2016年度:2,860,000 (直接経費 :2,200,000、間接経費 :660,000)
2015年度:780,000 (直接経費 :600,000、間接経費 :180,000)
キーワード OSL線量計
医療被曝
放射線計測
介助者被ばく
CT
エネルギー依存性
実臨床データ
被ばく線量
小児撮影
医療被ばく
CT検査
単純X線撮影
小児検査
個人被ばく線量計
診断領域のX線
医療被曝評価

研究成果

[雑誌論文] Direct Dose Measurement of Patients during Pediatric Computed Tomography Examination

Hiroaki Hayashi, Emi Tomita, Sota Goto, Natsumi Kimoto, Keiji Tada, Ryosuke Kasai, Yuki Kanazawa, Yoshiki Mihara, Takashi Asahara, Tohru Okazaki, Takuya Hashizume and Vergil LE Cruz 2018

[雑誌論文] Energy and Angular Dependence of the Small-Type OSL Dosimeter in Nuclear Medicine Regions using Monte Carlo Simulation

Vergil Lorenzo E. Cruz, Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Hiroki Okino, Yuki Kanazawa, Takuya Hashizume, Ikuo Kobayashi 2018

[学会発表] Phantom study using an OSL dosimeter with the aim of accurate measurement of eye lens dose exposure of operator during transfemoral cardiac catheterization using fluoroscopic examination

Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Sota Goto, Natsumi Kimoto, Kenji Yamada, Sumi Yokoyama, Yuki Kanazawa, Tohru Okazaki 2018

[学会発表] Preliminary study for eye lens dose evaluation of the medical staff during interventional fluoroscopy using Optically Stimulated Luminescence dosimeters

Tohru Okazaki, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Yoshiki Mihara, Emi Tomita, Yuki Kanazawa, Natsumi Kimoto, Takuya Hashizume, Vergil L E Cruz, Cheng Wei Hsin, Sumi Yokoyama, Ikuo Kobayashi 2018

[学会発表] Energy and Angular Dependence of the small type OSL Dosimeter in Diagnostic and Nuclear Medicine Regions using Monte Carlo Simulation

Cruz Lorenzo E. Vergil, OKAZAKI Tohru, Hiroaki Hayashi, MIHARA Yoshiki, ASAHARA Takashi, KIMOTO Natsumi, OKINO Hiroki, Yuki Kanazawa, HASHIZUME Takuya and KOBAYASHI Ikuo 2017

[雑誌論文] Necessity of Direct Dose Measurement during Current X-ray Diagnosis, --- Our Approach Using a Small-type OSL Dosimeter ---

Hiroaki Hayashi, Yoshiki Mihara, Yuki Kanazawa, Emi Tomita, Sota Goto, Kazuki Takegami, Tohru Okazaki, Takuya Hashizume and Vergil Estacio Lorenzo Cruz 2017

[雑誌論文] Entrance surface dose measurements using a small OSL dosimeter with a computed tomography scanner having 320 rows of detectors

Kazuki Takegami, Hiroaki Hayashi, Kenji Yamada, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Fumio Hayashi, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi 2017

[学会発表] Reliability of the dose calibration of small-type Optically Stimulated Luminescence dosimeter for diagnostic X-rays

Tohru Okazaki, Hiroaki Hayashi, Mihara Yoshiki, Tomita Emi, Goto Sota, Kimoto Natsumi, Takegami Kazuki, Takuya Hashizume, hsin Wei Cheng, Cruz Lorenzo Estacio Vergil and Kobayashi Ikuo 2017

[学会発表] 小型OSL線量計を用いた超精密測定に向けた固有効率の決定

後藤 聡汰, 林 裕晃, 三原 由樹, 淺原 孝, 冨田 恵美, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, Vergil LE Cruz 2017

[学会発表] Energy dependence of nanoDot OSL dosimeters to low energy X-rays using Monte-Carlo simulation code EGS5

Cruz LE Vergil, GOTO Sota, OKAZAKI Tohru, Hiroaki Hayashi, TOMITA Emi, MIHARA Yoshiki, ASAHARA Takashi, HASHIZUME Takuya, Cheng Wei Hsin and KOBAYASHI Ikuo 2017

[学会発表] Preliminary study for exposure dose measurement of people assisting during a pediatric X-ray procedure by means of a small-type OSL dosimeter

Hiroaki Hayashi, Yoshiki Mihara, Natsumi Kimoto, Takashi Asahara, Kenji Yamada, Yuki Kanazawa, Masafumi Harada, Tohru Okazaki and Takuya Hashizume 2017

[学会発表] Applicability of Practical Calibration of a Small-type OSL Dosimeter For Measuring the Exposure Doses Effected by Scattered and Penetrating X-rays

OKAZAKI Tohru, Hiroaki Hayashi, MIHARA Yoshiki, ASAHARA Takashi, KIMOTO Natsumi, Yuki Kanazawa, Kousaku Higashino, YAMASHITA Kazuta, YOKOYAMA Sumi, TAKEGAMI Kazuki, HASHIZUME Takuya and CRUZ LE Vergil 2017

[学会発表] 小型OSL線量計を用いた新生児胸部CT検査における散乱X線による水晶体および生殖腺の被ばくの実測

岡春奈, 多田佳司, 景山紗貴, 安田謙二, 林 裕晃, 岡崎徹, 冨田恵美, 後藤聡汰 2017

[学会発表] 320-row volumetric scanにおける小児CT検査の被ばく線量解析に向けた基礎検討

多田佳司, 岡春奈, 景山紗貴, 林 裕晃, 三原由樹, 岡崎徹, 市川勝弘, 冨田恵美, 後藤聡汰, 安田謙二 2017

[学会発表] Precise calibration factor of small-type OSL dosimeter with the aim toward analysis of exposure doses caused by scattering X-ray in the diagnostic region

MIHARA Yoshiki, Hiroaki Hayashi, ASAHARA Takashi, GOTO Sota, KIMOTO Natsumi, Yuki Kanazawa and OKAZAKI Tohru 2017

[学会発表] Basic study for internal dose evaluation during CT examination by means of small-type OSL dosimeter

Yoshiki Mihara, Hiroaki Hayashi, Kenji Yamada, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Ryosuke Kasai, Tohru Okazaki and Takuya Hashizume 2017

[学会発表] Evaluating the Influence of the Small-type Optically Stimulated Luminescence (OSL) Dosimeter on CT Images for Radiation Dose Measurement of Patient

Hsin Wei Cheng, OKAZAKI Tohru, HASHIZUME Takuya, Hiroaki Hayashi, TOMITA Emi, TADA Keiji and Yuki Kanazawa 2017

[学会発表] Practical phantom study using small-type OSL dosimeter toward direct dose measurement during pediatric CT examination

OKAZAKI Tohru, Hiroaki Hayashi, TOMITA Emi, GOTO Sota, TADA Keiji, MIHARA Yoshiki, KIMOTO Natsumi, KASAI Ryosuke, Yuki Kanazawa, CRUZ LE Vergil, HASHIZUME Takuya, Hsin Wei Cheng and KOBAYASHI Ikuo 2017

[学会発表] 小児CT撮影における被ばく線量の実測と装置表示値との比較

景山 紗貴,多田 佳司,岡 春奈,安田 謙二,林 裕晃,三原 由樹,冨田 恵美,後藤聡汰,岡崎 徹 2017

[学会発表] Visualization of entrance surface dose during CT examination using small-type OSL dosimeter

Mihara Yoshiki, Hiroaki Hayashi, Yuki Kanazawa, Yamada Kenji, Takegami Kazuki, Okazaki Tohru and Hashizume Takuya 2017

[学会発表] Universal calibration curve for a small-type OSL dosimeter to be used for direct dose measurements of direct, scattered and penetrating X-rays in the diagnostic region

Kazuki Takegami, Hiroaki Hayashi, Natumi Kimoto, Yoshiki Mihara, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Fumio Hayashi, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi 2017

[学会発表] 小型光刺激發光劑量計測量診斷範圍之輻射劑量的可能性評估

hsin Wei Cheng, Hiroaki Hayashi, Takegami Kazuki, Mihara Yoshiki, Kimoto Natsumi, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi 2017

[学会発表] Direct Dose Measurement of Patients during Pediatric Computed Tomography Examination

Hiroaki Hayashi, TOMITA Emi, GOTO Sota, KIMOTO Natsumi, TADA Keiji, KASAI Ryosuke, Yuki Kanazawa, MIHARA Yoshiki, ASAHARA Takashi, OKAZAKI Tohru, HASHIZUME Takuya and CRUZ LE Vergil 2017

[学会発表] Calculation of energy and angular dependences of the small-type OSL dosimeter in the diagnostic and nuclear medicine regions using the Monte-Carlo simulation code

Tohru Okazaki, Hiroaki Hayashi, Hiroki Okino, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa, Kazuki Takegami, Takuya Hashizume, Ikuo Kobayashi and Reginaldo A. Kaila Ann Mary 2016

[雑誌論文] Evaluation of energy dependence of nanoDot optically stimulated luminescence (OSL) dosimeter using characteristic X-ray induced by medical X-ray equipment

Tohru Okazaki, Takuya Hashizume, Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa and Kobayashi Ikuo 2016

[学会発表] Practical calibration curve for entrance-skin dose measurement using small-type OSL dosimeter

Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Tohru Okazaki and Ikuo Kobayashi 2016

[学会発表] Convenient measurement method using small-type OSL dosimeters for evaluation of doses in CT scans: uncertainty evaluation, entrance-skin dose of phantom, and organ dose of cadaver

Hiroaki Hayashi, Kazuki Takegami, Kenji Yamada, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Yamashita Kazuta, Fumio Hayashi, Yoshihiro Fukui, Koichi Sairyo, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi 2016

[雑誌論文] Uncertainty evaluation of absorbed dose measurements by means of small-type OSL dosimeter for radiotherapeutic X-ray region

Masahide Tominaga, Hiroaki Hayashi, Akinori Matsumoto, Natsumi Kimoto, Okazaki Tohru, Hashizume Takuya and Kobayashi Ikuo 2016

[学会発表] Universal dose calibration of the small-type OSL dosimeter for diagnostic X-rays - direct, scattered and penetrating X-rays -

Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Kazuki Takegami, Takuya Hashizume, Ikuo Kobayashi and Reginaldo A. Kaila Ann Mary 2016

[雑誌論文] Basic characteristics of nanoDot OSL dosimeter for diagnostic X-ray

Tohru Okazaki, Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata and Ikuo Kobayashi 2016

[雑誌論文] Estimation of identification limit for a small-type OSL dosimeter on the medical images by measurement of X-ray spectra,

Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi 2016

[学会発表] Universal calibration curve for a small-type OSL dosimeter to be used for direct dose measurements of direct, scattered and penetrating X-rays in the diagnostic region

Kazuki Takegami, Hiroaki Hayashi, Natumi Kimoto, Yoshiki Mihara, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Fumio Hayashi, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi 2016

[学会発表] EGS5を用いた核医学検査領域における小型OSL線量計の検出効率の評価

沖野 啓樹, 竹上 和希, 紀本 夏実, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥 2016

[雑誌論文] Energy dependence measurement of small-type optically stimulated luminescence (OSL) dosimeter by means of characteristic X-rays induced with general diagnostic X-ray equipment

Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi 2016

[学会発表] Small size OSL dosimeter to measure patient exposure dose in X-ray diagnosis - Evaluation of invisibility -

Tohru Okazaki, Hiroaki Hayashi, Kazuki Takegami, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Takuya Hashizume and Ikuo Kobayashi 2016

[学会発表] Uncertainty estimation of dose measured with a small-type optically stimulated luminescence dosimeter for CT scanning, --- Basic study for estimating entrance skin dose and internal organ dose ---

Hiroaki Hayashi, Tohru Okazaki, Yoshiki Mihara, Kenji Yamada, Natsumi Kimoto, Kazuki Takegami, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Takuya Hashizume, Ikuo Kobayashi and Mary A. Kaila Ann Reginaldo 2016

[学会発表] Evaluation of energy dependence of nanoDot optically stimulated luminescence (OSL) dosimeter using characteristic X-ray induced by medical X-ray equipment

Tohru Okazaki, Takuya Hashizume, Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa and Kobayashi Ikuo 2016

[学会発表] Phantom Study for Entrance-Skin Doses Measurement in the Diagnostic X-ray Region using a Small-type OSL dosimeter Comparison of the doses measured with other detectors-

Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Tohru Okazaki and Takuya Hashizume 2016

[雑誌論文] Proposal of quantitative identification method of a small-type OSL dosimeter: Verification that the dosimeter is not detected in the medical image

Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi 2016

[学会発表] Small size OSL dosimeter to measure patient exposure dose in X-ray diagnosis - Evaluation of invisibility -

Okazaki Tohru, Hiroaki Hayashi, Takegami Kazuki, Okino Hiroki, Kimoto Natsumi, Maehata Itsumi, Yuki Kanazawa, Hashizume Takuya and Kobayashi Ikuo 2016

[雑誌論文] Compact irradiation system for evaluation of basic characteristics of the nanoDot OSL dosimeter toward direct measurement of exposure dose of patients

Hiroki Okino, Hiroaki Hayashi, Kazuki Takegami, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi 2016

[学会発表] Proposal of quantitative identification method of a small-type OSL dosimeter: Verification that the dosimeter is not detected in the medical image

Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi 2016

[雑誌論文] Procedure to measure angular dependences of personal dosimeters by means of diagnostic X-ray equipment

Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Kohei Nakagawa, Tohru Okazaki and Ikuo Kobayashi 2015

[学会発表] 100-2000keVの光子線に対する小型OSL線量計の効率的な照射体系の提案

沖野 啓樹, 竹上 和希, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫 2015

[学会発表] Angular dependence of nanoDot (OSL) dosimeter in diagnosis domain

Hiroki Okino, Kohei Nakagawa, Kazuki Takegami, Hiroaki Hayashi, Tohru Okazaki and Ikuo Kobayashi 2015

[学会発表] OSL線量計の診断領域X線に対する基礎実験

橋詰 拓弥, 岡崎 徹, 竹上 和希, 林 裕晃, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 金澤 裕樹, 小林 育夫 2015

[学会発表] OSL線量計を用いたERCPの患者被曝線量の検討

小郷 匠平, 松田 英治, 林 裕晃, 森分 良, 松本 博樹, 佐伯 悠介, 柳元 真一 2015

[学会発表] Basic characteristics of nanoDot OSL dosimeter for diagnostic X-ray

Tohru Okazaki, Hiroaki Hayashi, Hiroki Okino, Kohei Nakagawa, Kazuki Takegami and Ikuo Kobayashi 2015

[雑誌論文] Practical calibration curve of small-type optically stimulated luminescence (OSL) dosimeter for evaluation of entrance-skin dose in the diagnostic X-ray region

Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki and Ikuo Kobayashi 2015

[学会発表] nanoDot OSL線量計の診断用X線に対する基礎特性

岡崎 徹, 林 裕晃, 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 小林 育夫 2015

[学会発表] Precise measurement of the angular and energy dependences of small-type OSL dosimeter in the diagnostic energy region

Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki and Ikuo Kobayashi 2015

[学会発表] nanoDot OSL線量計の診断用X線領域におけるエネルギー依存性

岡崎 徹, 橋詰 拓弥, 林 裕晃, 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 金澤 裕樹, 小林 育夫 2015

[学会発表] Basic study for calculation of exposure dose of small type OSL dosimeter for high energy photon beam by means of simulation code(EGS5)

沖野 啓樹, 竹上 和希, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤裕樹, 岡崎 徹, 橋詰 拓弥 and 小林 育夫 2015

[学会発表] Basic research for clinical application of the OSL dosimeter in the diagnostic region -Estimation of irradiation conditions not to identify the dosimeter on the medical image-

竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤裕樹, 岡崎 徹, 橋詰 拓弥 and 小林 育夫 2015

[学会発表] Measurement of energy dependence for small type OSL dosimeter by means of diagnostic X-ray equipment

竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤裕樹, 岡崎 徹, 橋詰 拓弥 and 小林 育夫 2015