JPWO2017158743A1 - 線量率測定装置及び放射線治療装置 - Google Patents
線量率測定装置及び放射線治療装置 Download PDFInfo
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- JPWO2017158743A1 JPWO2017158743A1 JP2018505121A JP2018505121A JPWO2017158743A1 JP WO2017158743 A1 JPWO2017158743 A1 JP WO2017158743A1 JP 2018505121 A JP2018505121 A JP 2018505121A JP 2018505121 A JP2018505121 A JP 2018505121A JP WO2017158743 A1 JPWO2017158743 A1 JP WO2017158743A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/023—Scintillation dose-rate meters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1071—Monitoring, verifying, controlling systems and methods for verifying the dose delivered by the treatment plan
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/026—Semiconductor dose-rate meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
Abstract
Description
<線量率測定装置>
図1は本実施形態に係る線量率測定装置1の構成図である。
1A 線量率測定装置
10 放射線センサ
10A 放射線センサ
10B 放射線センサ
10C 放射線センサ
20 光ファイバ
30 光電変換器
40 演算装置
50 表示装置
60 光ファイバ切替器
100 放射線治療装置
101 発光部
101A発光部
101B発光部
101C発光部
102 カバー
102Aカバー
102Bカバー
102Cカバー
Claims (6)
- 入射した放射線量に依存した強度の光を発生する多結晶放射線発光素材製の発光部と前記発光部を覆うカバーとからなる放射線センサと、
前記放射線センサと接続し前記多結晶放射線発光素材が発したフォトンを伝送する光ファイバと、
前記光ファイバが伝送したフォトンを電気信号に変換する光電変換器と、
前記光電変換器が1個1個の前記フォトンから変換した電気信号を1個1個計測し計数率を算出して線量率を特定する演算装置と、
前記演算装置で算出した測定結果を表示する表示装置とを有することを特徴とする線量率測定装置。 - 入射した放射線量に依存した強度の光を発生する放射線発光素材と前記放射線発光素材が発した光を伝える光透過性素材とを混合した発光部と前記発光部を覆うカバーとからなる放射線センサと、
前記放射線センサと接続し前記放射線発光素材が発したフォトンを伝送する光ファイバと、
前記光ファイバが伝送したフォトンを電気信号に変換する光電変換器と、
前記光電変換器が1個1個の前記フォトンから変換した電気信号を1個1個計測し計数率を算出して線量率を特定する演算装置と、
前記演算装置で算出した測定結果を表示する表示装置とを有することを特徴とする線量率測定装置。 - 請求項2記載の線量率測定装置において、
前記放射線センサは、入射した放射線量に依存した強度の光を発生する前記放射線発光素材と前記放射線発光素材が発した光を伝えて弾性を有する光透過性素材とを混合した発光素子と前記発光部を覆う弾性を有するカバーを備えることを特徴とする線量率測定装置。 - 請求項2又は3記載の線量率測定装置において、
前記放射線センサは水等価であることを特徴とする線量率測定装置。 - 請求項1から4のいずれかに記載の線量率測定装置において、
水等価な前記放射線センサと前記放射線センサと接続している前記光ファイバとの組を複数個有し、
線量率分布を測定することを特徴とする線量率測定装置。 - 請求項1から5のいずれかに記載の線量率測定装置を有し、
前記線量率測定装置で算出した線量率に基づき放射線照射部及びベッドを制御する制御装置とを有することを特徴とする放射線治療装置。
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US (1) | US10605928B2 (ja) |
EP (1) | EP3432034B1 (ja) |
JP (1) | JP6569000B2 (ja) |
CN (1) | CN108431635B (ja) |
WO (1) | WO2017158743A1 (ja) |
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JP6817162B2 (ja) * | 2017-07-07 | 2021-01-20 | 株式会社日立製作所 | 放射線モニタ装置および放射線治療装置、ならびに放射線のモニタ方法 |
KR102066899B1 (ko) * | 2018-06-08 | 2020-01-16 | 고려대학교산학협력단 | 광센서 기반 실시간 치료용 광자선 빔 모니터링 장치 |
JP7160572B2 (ja) * | 2018-06-15 | 2022-10-25 | 株式会社日立製作所 | 放射線モニタ |
CN110988968B (zh) * | 2019-12-12 | 2022-09-30 | 成都理工大学 | 一种多通道x射线光机能谱测量系统及测量方法 |
CN113877079A (zh) * | 2020-07-03 | 2022-01-04 | 中硼(厦门)医疗器械有限公司 | 中子捕获治疗设备及其监测系统的运行步骤 |
WO2023164585A1 (en) * | 2022-02-25 | 2023-08-31 | Gt Medical Technologies, Inc. | Intra-operative radiation dose feedback system |
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JP6569000B2 (ja) | 2019-08-28 |
CN108431635B (zh) | 2022-05-17 |
CN108431635A (zh) | 2018-08-21 |
EP3432034B1 (en) | 2024-05-08 |
EP3432034A1 (en) | 2019-01-23 |
WO2017158743A1 (ja) | 2017-09-21 |
US20190018148A1 (en) | 2019-01-17 |
US10605928B2 (en) | 2020-03-31 |
EP3432034A4 (en) | 2019-11-13 |
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