WO2008136141A1 - エネルギーと位置情報を利用した放射線検出方法及び装置 - Google Patents

エネルギーと位置情報を利用した放射線検出方法及び装置 Download PDF

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Publication number
WO2008136141A1
WO2008136141A1 PCT/JP2007/066940 JP2007066940W WO2008136141A1 WO 2008136141 A1 WO2008136141 A1 WO 2008136141A1 JP 2007066940 W JP2007066940 W JP 2007066940W WO 2008136141 A1 WO2008136141 A1 WO 2008136141A1
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WO
WIPO (PCT)
Prior art keywords
detector
radioactive ray
depth direction
position information
detection position
Prior art date
Application number
PCT/JP2007/066940
Other languages
English (en)
French (fr)
Inventor
Eiji Yoshida
Kengo Shibuya
Taiga Yamaya
Hideo Murayama
Keishi Kitamura
Original Assignee
National Institute Of Radiological Sciences
Shimadzu Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Institute Of Radiological Sciences, Shimadzu Corporation filed Critical National Institute Of Radiological Sciences
Priority to JP2009512860A priority Critical patent/JP4660706B2/ja
Priority to US12/450,529 priority patent/US8188437B2/en
Priority to EP07806417.7A priority patent/EP2138867A4/en
Priority to CN2007800527130A priority patent/CN101688918B/zh
Publication of WO2008136141A1 publication Critical patent/WO2008136141A1/ja

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Classifications

    • 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
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • 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
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1647—Processing of scintigraphic data
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/037—Emission tomography

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine (AREA)
  • Measurement Of Radiation (AREA)

Abstract

　深さ方向の検出位置とエネルギーが識別可能な（３次元）検出器を用いて放射線を検出する際に、深さ方向の検出位置に応じて、信号とノイズを識別するエネルギーウィンドウを変えることにより、検出器内での散乱成分を取得可能とする。又は、検出イベントに深さ方向の検出位置とエネルギー情報に応じた重み付けを与えて、検出器内での散乱成分を取得可能とする。これにより、検出器内での散乱成分を取得可能として、検出器の感度を高める。ここで、深さ方向の検出位置に応じて、異なる検出素子を用いることができる。
PCT/JP2007/066940 2007-04-23 2007-08-30 エネルギーと位置情報を利用した放射線検出方法及び装置 WO2008136141A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009512860A JP4660706B2 (ja) 2007-04-23 2007-08-30 エネルギーと位置情報を利用した放射線検出方法及び装置
US12/450,529 US8188437B2 (en) 2007-04-23 2007-08-30 Radiation detecting method utilizing energy information and positional information and equipment thereof
EP07806417.7A EP2138867A4 (en) 2007-04-23 2007-08-30 METHOD AND DEVICE FOR DETECTING RADIOACTIVE RADIATION USING ENERGY AND POSITION INFORMATION
CN2007800527130A CN101688918B (zh) 2007-04-23 2007-08-30 利用能量和位置信息的辐射检测方法及装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007112925A JP2010032214A (ja) 2007-04-23 2007-04-23 エネルギーと位置情報を利用した放射線検出方法及び装置
JP2007-112925 2007-04-23

Publications (1)

Publication Number Publication Date
WO2008136141A1 true WO2008136141A1 (ja) 2008-11-13

Family

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Family Applications (1)

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PCT/JP2007/066940 WO2008136141A1 (ja) 2007-04-23 2007-08-30 エネルギーと位置情報を利用した放射線検出方法及び装置

Country Status (5)

Country Link
US (1) US8188437B2 (ja)
EP (1) EP2138867A4 (ja)
JP (2) JP2010032214A (ja)
CN (1) CN101688918B (ja)
WO (1) WO2008136141A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011153975A (ja) * 2010-01-28 2011-08-11 Shimadzu Corp 核医学診断装置
JP2012002693A (ja) * 2010-06-17 2012-01-05 Toshiba Corp 核医学イメージング装置および方法
JP2013015481A (ja) * 2011-07-06 2013-01-24 Shimadzu Corp 放射線断層撮影装置

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JP5750685B2 (ja) * 2011-01-11 2015-07-22 国立研究開発法人放射線医学総合研究所 Ｐｅｔ装置及びｐｅｔ−ｍｒｉ装置
US9207333B2 (en) * 2011-04-21 2015-12-08 Kabushiki Kaisha Toshiba Geometry for PET imaging
US8502154B2 (en) * 2011-04-21 2013-08-06 Kabushiki Kaisha Toshiba Method and system for organ specific PET imaging
US9322929B2 (en) * 2011-04-21 2016-04-26 Kabushiki Kaisha Toshiba PET imaging system including detector elements of different design and performance
CN102648856B (zh) * 2012-04-28 2016-03-30 中国科学院高能物理研究所 正电子发射断层扫描仪及其中的符合判选方法
CN103054604B (zh) * 2012-12-25 2015-04-01 沈阳东软派斯通医疗***有限公司 一种pet***能量信息与位置信息转换的方法、装置及***
JP5920930B2 (ja) * 2013-03-21 2016-05-18 株式会社日立製作所 ガンマカメラ、ｓｐｅｃｔ装置、ｐｅｔ装置およびガンマ線計測画像生成方法
CN103645491B (zh) * 2013-11-25 2016-12-07 中国科学院高能物理研究所 放射源定位方法、装置及***
CN104807391A (zh) * 2014-01-27 2015-07-29 核工业航测遥感中心 固体镭源中心点测量仪及其检测方法
US10304218B2 (en) 2014-07-04 2019-05-28 Shimadzu Corporation Image reconstruction processing method
CN107970037B (zh) * 2016-10-24 2021-01-05 上海东软医疗科技有限公司 成像方法和成像***
WO2022054854A1 (ja) * 2020-09-09 2022-03-17 三菱ケミカル株式会社 信号処理システム、陽電子放射断層撮影装置及び陽電子放射断層撮影方法

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JP2004279057A (ja) 2003-03-12 2004-10-07 Natl Inst Of Radiological Sciences ３次元放射線位置検出器

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JP2743796B2 (ja) * 1993-10-27 1998-04-22 株式会社島津製作所 核医学イメージング装置の補正方法
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JP4659962B2 (ja) * 2000-10-04 2011-03-30 株式会社東芝 核医学診断装置
JP3815468B2 (ja) * 2002-10-07 2006-08-30 株式会社日立製作所 放射線検出器，放射線検出素子及び放射線撮像装置
JP4727947B2 (ja) * 2004-05-21 2011-07-20 株式会社島津製作所 光検出回路
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011153975A (ja) * 2010-01-28 2011-08-11 Shimadzu Corp 核医学診断装置
JP2012002693A (ja) * 2010-06-17 2012-01-05 Toshiba Corp 核医学イメージング装置および方法
JP2013015481A (ja) * 2011-07-06 2013-01-24 Shimadzu Corp 放射線断層撮影装置

Also Published As

Publication number Publication date
CN101688918A (zh) 2010-03-31
JP4660706B2 (ja) 2011-03-30
US20100032574A1 (en) 2010-02-11
US8188437B2 (en) 2012-05-29
CN101688918B (zh) 2012-10-10
JPWO2008136141A1 (ja) 2010-07-29
EP2138867A4 (en) 2016-11-02
JP2010032214A (ja) 2010-02-12
EP2138867A1 (en) 2009-12-30

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