JP4982880B2 - 開放型pet装置 - Google Patents
開放型pet装置 Download PDFInfo
- Publication number
- JP4982880B2 JP4982880B2 JP2010505218A JP2010505218A JP4982880B2 JP 4982880 B2 JP4982880 B2 JP 4982880B2 JP 2010505218 A JP2010505218 A JP 2010505218A JP 2010505218 A JP2010505218 A JP 2010505218A JP 4982880 B2 JP4982880 B2 JP 4982880B2
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- JP
- Japan
- Prior art keywords
- open
- detector
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- pet apparatus
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- 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.)
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Classifications
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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
- G01T1/29—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)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/037—Emission tomography
Description
Claims (8)
- 軸方向に多層に配列された検出器リングの少なくとも一部が開放され、該検出器リングの開放された部分の少なくとも一部を主フォーカス領域に含む開放型PET装置において、
前記検出器リングを構成する検出素子の少なくとも一部が、その主感度方向が前記主フォーカス領域寄りに向くように軸方向に対し傾斜して配設され、該主フォーカス領域に対する分解能を高めたことを特徴とする開放型PET装置。 - 前記軸方向に多層に配列された検出リングにより該軸に沿う連続視野を形成し、該連続視野の中に複数の主フォーカス領域を設けたことを特徴とする請求項1に記載の開放型PET装置。
- 前記多層に配列された検出リングの内の中間の一層以上が開放されていることを特徴とする請求項1又は2に記載の開放型PET装置。
- 前記検出素子が、各々、その主感度方向が前記主フォーカス領域に向くように傾斜して配設されていることを特徴とする請求項1乃至3のいずれかに記載の開放型PET装置。
- 前記主感度方向の傾斜角度が同一であることを特徴とする請求項1乃至3のいずれかに記載の開放型PET装置。
- 前記検出素子の主入光面が階段状に配設されていることを特徴とする請求項4又は5に記載の開放型PET装置。
- 前記検出素子の少なくとも一部の傾斜角度が調整可能とされていることを特徴とする請求項1乃至6のいずれかに記載の開放型PET装置。
- 前記検出素子の少なくとも一部が、ブロック単位で前記主フォーカス領域にフォーカスするように、各々の主感度方向が傾斜して配設したことを特徴とする請求項1乃至7のいずれかに記載の開放型PET装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2008/056451 WO2009122561A1 (ja) | 2008-04-01 | 2008-04-01 | 開放型pet装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2009122561A1 JPWO2009122561A1 (ja) | 2011-07-28 |
JP4982880B2 true JP4982880B2 (ja) | 2012-07-25 |
Family
ID=41134981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010505218A Expired - Fee Related JP4982880B2 (ja) | 2008-04-01 | 2008-04-01 | 開放型pet装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20110024637A1 (ja) |
JP (1) | JP4982880B2 (ja) |
WO (1) | WO2009122561A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011125212A1 (ja) * | 2010-04-08 | 2011-10-13 | 独立行政法人放射線医学総合研究所 | 近接撮影型pet装置およびシステム |
JP5751944B2 (ja) * | 2010-06-16 | 2015-07-22 | 株式会社東芝 | Tof―pet装置、検出器リング、及び検出器 |
US9538964B2 (en) | 2011-05-30 | 2017-01-10 | National Institutes For Quantum And Radiological Science And Technology | Inclined pet device and pet combined device |
CN106923860B (zh) * | 2015-12-30 | 2023-08-22 | 苏州瑞派宁科技有限公司 | 一种具有窗口的平板pet成像装置 |
JP7214355B2 (ja) * | 2018-03-22 | 2023-01-30 | キヤノンメディカルシステムズ株式会社 | 陽電子放射断層撮像装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05150046A (ja) * | 1991-11-30 | 1993-06-18 | Shimadzu Corp | ポジトロンct装置 |
AU2001266579A1 (en) * | 2000-05-16 | 2001-11-26 | Dario B. Crosetto | Method and apparatus for anatomical and functional medical imaging |
WO2005029507A2 (en) * | 2003-09-18 | 2005-03-31 | Trident Imaging, Inc. | Tomography scanner with axially discontinuous detector array |
US7378661B2 (en) * | 2005-10-11 | 2008-05-27 | Siemens Medical Solutions Usa, Inc. | Asymmetrical positron emission tomograph detectors |
WO2008129666A1 (ja) * | 2007-04-17 | 2008-10-30 | National Institute Of Radiological Sciences | Pet装置、及び、その画像再構成方法 |
-
2008
- 2008-04-01 US US12/935,016 patent/US20110024637A1/en not_active Abandoned
- 2008-04-01 WO PCT/JP2008/056451 patent/WO2009122561A1/ja active Application Filing
- 2008-04-01 JP JP2010505218A patent/JP4982880B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20110024637A1 (en) | 2011-02-03 |
JPWO2009122561A1 (ja) | 2011-07-28 |
WO2009122561A1 (ja) | 2009-10-08 |
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