WO2008102422A1 - 核医学診断装置 - Google Patents

核医学診断装置 Download PDF

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Publication number
WO2008102422A1
WO2008102422A1 PCT/JP2007/052933 JP2007052933W WO2008102422A1 WO 2008102422 A1 WO2008102422 A1 WO 2008102422A1 JP 2007052933 W JP2007052933 W JP 2007052933W WO 2008102422 A1 WO2008102422 A1 WO 2008102422A1
Authority
WO
WIPO (PCT)
Prior art keywords
rising
time
tof
nuclear medicine
pet
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2007/052933
Other languages
English (en)
French (fr)
Inventor
Hiromichi Tonami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimadzu Corp
Original Assignee
Shimadzu Corp
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 Shimadzu Corp filed Critical Shimadzu Corp
Priority to PCT/JP2007/052933 priority Critical patent/WO2008102422A1/ja
Priority to JP2009500020A priority patent/JP4788823B2/ja
Publication of WO2008102422A1 publication Critical patent/WO2008102422A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • G01T1/16—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
    • G01T1/1644—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using an array of optically separate scintillation elements permitting direct location of scintillations
    • 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
    • G01T1/208—Circuits specially adapted for scintillation detectors, e.g. for the photo-multiplier section
    • 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)

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)

Abstract

【課題】正確な時間情報を得ることが出来るＴＯＦ－ＰＥＴを提供する。 【解決手段】　上昇時間のばらつきのある光電子増倍管について選別を行ない、上昇時間差が最小になるようにリング状に配置するようにした。それにより、シンチレータ光が複数の光電子増倍管に入射した場合であっても、その合計の信号出力の上昇時間Σｔｒはばらつくことがないため、放射線検出器の間で上昇時間の差Δεを補正データとしてあらかじめ持たせることにより実際に計測する際には補正することが可能である。以上のような方法をとることにより、正確な時間情報を得ることができＴＯＦ－ＰＥＴ装置を提供することが可能である。  
PCT/JP2007/052933 2007-02-19 2007-02-19 核医学診断装置 Ceased WO2008102422A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2007/052933 WO2008102422A1 (ja) 2007-02-19 2007-02-19 核医学診断装置
JP2009500020A JP4788823B2 (ja) 2007-02-19 2007-02-19 核医学診断装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/052933 WO2008102422A1 (ja) 2007-02-19 2007-02-19 核医学診断装置

Publications (1)

Publication Number Publication Date
WO2008102422A1 true WO2008102422A1 (ja) 2008-08-28

Family

ID=39709707

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/052933 Ceased WO2008102422A1 (ja) 2007-02-19 2007-02-19 核医学診断装置

Country Status (2)

Country Link
JP (1) JP4788823B2 (ja)
WO (1) WO2008102422A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011232044A (ja) * 2010-04-23 2011-11-17 Shimadzu Corp 放射線断層撮影装置
WO2014065286A1 (ja) * 2012-10-22 2014-05-01 株式会社 東芝 検出器モジュールの配置決定方法、ガンマ線検出器、及びｐｅｔ装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001503526A (ja) * 1996-11-08 2001-03-13 コミツサリア タ レネルジー アトミーク 細胞状構造を有する一組の光検出器からの信号処理プロセスおよび装置と、ガンマカメラへの適用
JP2006084309A (ja) * 2004-09-15 2006-03-30 Shimadzu Corp 放射線検出器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001503526A (ja) * 1996-11-08 2001-03-13 コミツサリア タ レネルジー アトミーク 細胞状構造を有する一組の光検出器からの信号処理プロセスおよび装置と、ガンマカメラへの適用
JP2006084309A (ja) * 2004-09-15 2006-03-30 Shimadzu Corp 放射線検出器

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011232044A (ja) * 2010-04-23 2011-11-17 Shimadzu Corp 放射線断層撮影装置
WO2014065286A1 (ja) * 2012-10-22 2014-05-01 株式会社 東芝 検出器モジュールの配置決定方法、ガンマ線検出器、及びｐｅｔ装置
JP2014085352A (ja) * 2012-10-22 2014-05-12 Toshiba Corp 検出器モジュールの配置決定方法、ガンマ線検出器、及びｐｅｔ装置
CN103975252A (zh) * 2012-10-22 2014-08-06 株式会社东芝 检测器模块的配置确定方法、γ射线检测器、以及PET装置
US9140805B2 (en) 2012-10-22 2015-09-22 Kabushiki Kaisha Toshiba Apparatus and method for improving uniformity of performance in positron emission tomography
EP2910975A4 (en) * 2012-10-22 2016-06-22 Toshiba Kk METHOD FOR DETERMINING THE ARRANGEMENT OF A DETECTOR MODULE, GAMMA BULB DETECTOR AND PET DEVICE

Also Published As

Publication number Publication date
JP4788823B2 (ja) 2011-10-05
JPWO2008102422A1 (ja) 2010-05-27

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