JP5792075B2 - ビッグボアpet/mriシステム - Google Patents
ビッグボアpet/mriシステム Download PDFInfo
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- JP5792075B2 JP5792075B2 JP2011549701A JP2011549701A JP5792075B2 JP 5792075 B2 JP5792075 B2 JP 5792075B2 JP 2011549701 A JP2011549701 A JP 2011549701A JP 2011549701 A JP2011549701 A JP 2011549701A JP 5792075 B2 JP5792075 B2 JP 5792075B2
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- 238000002603 single-photon emission computed tomography Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
- G01R33/481—MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]
-
- 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
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4417—Constructional features of apparatus for radiation diagnosis related to combined acquisition of different diagnostic modalities
-
- 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
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
- A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
- A61B6/5247—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from an ionising-radiation diagnostic technique and a non-ionising radiation diagnostic technique, e.g. X-ray and ultrasound
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
- G01R33/3453—Transverse electromagnetic [TEM] coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3685—Means for reducing sheath currents, e.g. RF traps, baluns
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/42—Screening
- G01R33/422—Screening of the radio frequency field
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- Pulmonology (AREA)
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- Computer Vision & Pattern Recognition (AREA)
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Description
Claims (18)
- 主磁石、
その中に環状の窪みを規定する勾配コイル
前記勾配コイルの間にある前記環状の窪みに置かれる複数の複合型MR及び核撮像ユニットであり、
導電性の中空な共振器要素、
前記共振器要素内に取り付けられる核検出器モジュール、並びに
前記共振器要素に隣接するRFスクリーンから各々構成される前記複数の複合型MR及び核撮像ユニット
を有する複合型MR及び核撮像システム。 - 前記共振器要素の各々は、検査領域に面し、放射線透過である内面を持つ、及び
複数の他の面は、前記RFスクリーンに面すると共に、当該スクリーンから離間される、
請求項1に記載の複合型MR及び核撮像システム。 - 各共振器要素は、当該共振器要素の動作周波数を同調させるように構成されるコンデンサにより、前記RFスクリーンと電子結合される、請求項1に記載の複合型MR及び核撮像システム。
- 前記共振器要素の面は、前記核検出器モジュールをRF干渉から遮蔽するように構成される、請求項2に記載の複合型MR及び核撮像システム。
- 前記核検出器モジュールは、
シンチレータ結晶のアレイ、
前記シンチレータ結晶のアレイと光学結合される複数のシリコン光電子増倍管のセンサタイル、及び
前記シリコン光電子増倍センサタイルに電子結合される複数の特定用途向け集積回路
を有する、請求項4に記載の複合型MR及び核撮像システム。 - 前記共振器要素は、電流が前記内面を主に流れるように構成される、請求項2に記載の複合型MR及び核撮像システム。
- RFトラップは、前記他の面の1つに電子接続される、請求項2に記載の複合型MR及び核撮像システム。
- 前記共振器要素は、RF送信器及びRF受信器の少なくとも一方に電子接続される、及び
前記核検出器モジュールは、タイムスタンプ回路及び同時検出ユニットを含むPET検出器モジュールである、
請求項1に記載の複合型MR及び核撮像システム。 - MR画像表示を作成するために、前記共振器要素からのデータを処理するMR再構成処理器、及び
PET画像表示を作成するために、前記PET検出器モジュールからのデータを処理するPET再構成処理器
をさらに有する、請求項8に記載の複合型MR及び核撮像システム。 - 前記MR及びPET画像表示を組み合わせる融合処理器、及び
前記MR画像表示、前記PET画像表示又は組み合わされたMR/PET画像表示を表示するための表示装置を含むユーザインタフェース
をさらに有する、請求項9に記載の複合型MR及び核撮像システム。 - 請求項1に記載の複合型MR及び核撮像システムに使用するための複合型MR及び核撮像ユニットを作成する方法において、
核検出器モジュールを製造するステップ、
前記核検出器モジュールの周りに中空の共振器要素を配置するステップであり、前記共振器要素は、前記核検出器モジュールをRF放射線から遮蔽する面を持ち、前記面の1つはγ放射線に対し透過である、ステップ
を有する方法。 - 磁気共鳴システムの勾配コイルにおいて規定される環状の窪みにRFシールドを取り付けるステップ、
RFスクリーンから離間した前記環状の窪みに複数の前記複合型MR及び核撮像ユニットを取り付けるステップ、並びに
前記共振器要素を前記RFスクリーンに容量結合するステップ
をさらに有する請求項11に記載の方法。 - RF電流を放射線透過面に優先して流させるために、RFトラップを前記面の1つと接続するステップ、を有する請求項12に記載の方法。
- (a)前記共振器要素の内部に置かれる前記核検出器モジュールを備える前記共振器要素のγ放射線透過面がγ放射線を受信すること、及び
(b)前記共振器要素がMR励起信号を送信、及び共鳴信号を受信することの少なくとも一方、
を同時に行うステップ、並びに
受信した前記γ放射線から核画像表示を、及び受信した前記共鳴信号からMR画像表示を再構成するステップ、
を有する請求項1に記載の複合型MR及び核撮像システムの作動方法。 - 前記共振器要素の動作周波数を同調させるように構成されるコンデンサにより、前記共振器要素を隣接するRFスクリーンと電子結合するステップをさらに有する請求項14に記載の作動方法。
- 電流が主に前記放射線透過面上を流れるように前記共振器要素を構成するステップをさらに有する請求項14に記載の作動方法。
- RFトラップを前記共振器要素の他の面の少なくとも1つと電子接続するステップをさらに有する請求項16に記載の作動方法。
- 前記核検出器モジュールはPET検出器モジュールである、請求項14に記載の作動方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15298409P | 2009-02-17 | 2009-02-17 | |
US61/152,984 | 2009-02-17 | ||
PCT/IB2010/050108 WO2010095063A1 (en) | 2009-02-17 | 2010-01-12 | Big bore pet/mr system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012517848A JP2012517848A (ja) | 2012-08-09 |
JP5792075B2 true JP5792075B2 (ja) | 2015-10-07 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011549701A Active JP5792075B2 (ja) | 2009-02-17 | 2010-01-12 | ビッグボアpet/mriシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8467848B2 (ja) |
EP (1) | EP2399143B1 (ja) |
JP (1) | JP5792075B2 (ja) |
CN (1) | CN102317806B (ja) |
RU (1) | RU2521738C2 (ja) |
WO (1) | WO2010095063A1 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2008084438A2 (en) * | 2007-01-11 | 2008-07-17 | Koninklijke Philips Electronics N.V. | Pet/mr scanners for simultaneous pet and mr imaging |
JP5713468B2 (ja) * | 2010-10-25 | 2015-05-07 | 独立行政法人放射線医学総合研究所 | Pet/mri一体型装置 |
JP5750684B2 (ja) * | 2010-11-01 | 2015-07-22 | 国立研究開発法人放射線医学総合研究所 | Pet−mri装置 |
US10124190B2 (en) | 2010-12-16 | 2018-11-13 | Koninklijke Philips N.V. | Radiation therapy planning and follow-up system with large bore nuclear and magnetic resonance imaging or large bore CT and magnetic resonance imaging |
KR101242500B1 (ko) * | 2011-06-27 | 2013-03-12 | 한국과학기술원 | Pet-mri 융합시스템 |
US9261574B2 (en) * | 2012-05-02 | 2016-02-16 | General Electric Company | Structured RF coil assembly for MRI scanner |
EP2672286A1 (en) * | 2012-06-05 | 2013-12-11 | Koninklijke Philips N.V. | TEM resonator system especially for use in an MRI system |
US10094893B2 (en) | 2012-07-12 | 2018-10-09 | The Regents Of The University Of California | Miniaturized magnetic resonance probe |
KR102004987B1 (ko) * | 2012-12-11 | 2019-07-29 | 삼성전자주식회사 | 광자 계수 검출 장치 및 독출 회로 |
KR102038629B1 (ko) | 2013-02-04 | 2019-10-30 | 삼성전자주식회사 | Mri-pet시스템 |
US9599731B2 (en) * | 2013-03-14 | 2017-03-21 | Koninklijke Philips N.V. | Positron emission tomography and/or single photon emission tomography detector |
EP3022572B1 (en) * | 2013-07-19 | 2020-12-16 | Koninklijke Philips N.V. | Reducing interference in a combined assembly for mri and nuclear imaging |
KR101556639B1 (ko) * | 2013-12-30 | 2015-10-01 | 한국원자력연구원 | Pet-mri 장치 및 그 제조 방법 |
WO2015197335A1 (en) * | 2014-06-23 | 2015-12-30 | Koninklijke Philips N.V. | Magnetic resonance imaging system with integrated photon detector ring |
US9606245B1 (en) | 2015-03-24 | 2017-03-28 | The Research Foundation For The State University Of New York | Autonomous gamma, X-ray, and particle detector |
EP3320375B1 (en) * | 2015-07-09 | 2019-02-06 | Koninklijke Philips N.V. | Direct conversion radiation detector |
US11607129B2 (en) * | 2018-06-11 | 2023-03-21 | West Virginia University | Combined positron emission tomography (PET)-electron paramagnetic resonance (EPR) imaging device |
CN110584693B (zh) * | 2019-09-02 | 2023-04-07 | 王雪梅 | 双模态成像方法、装置和系统 |
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DE19732783C1 (de) * | 1997-07-30 | 1999-03-04 | Bruker Medizintech | HF-Spulensystem für eine MR-Meßeinrichtung |
RU2171630C2 (ru) * | 1999-06-18 | 2001-08-10 | Пестряков Андрей Витальевич | Способ совмещения трехмерных изображений, полученных с помощью компьютерных томографов, работающих на основе различных физических принципов |
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WO2006071922A2 (en) * | 2004-12-29 | 2006-07-06 | Siemens Medical Solutions Usa, Inc. | Combined pet/mr imaging system and apd-bassed pet detector for use in simultaneous pet/mr imaging |
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DE102005040107B3 (de) * | 2005-08-24 | 2007-05-31 | Siemens Ag | Kombiniertes PET-MRT-Gerät und Verfahren zur gleichzeitigen Aufnahme von PET-Bildern und MR-Bildern |
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WO2008053451A1 (en) | 2006-11-03 | 2008-05-08 | Koninklijke Philips Electronics N.V. | Split gradient coil for mri |
WO2008084438A2 (en) | 2007-01-11 | 2008-07-17 | Koninklijke Philips Electronics N.V. | Pet/mr scanners for simultaneous pet and mr imaging |
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EP2174161B1 (en) * | 2007-07-25 | 2015-03-25 | Koninklijke Philips N.V. | Mr/pet imaging systems |
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2010
- 2010-01-12 CN CN201080007939.0A patent/CN102317806B/zh active Active
- 2010-01-12 RU RU2011138144/28A patent/RU2521738C2/ru not_active IP Right Cessation
- 2010-01-12 EP EP10701909.3A patent/EP2399143B1/en active Active
- 2010-01-12 JP JP2011549701A patent/JP5792075B2/ja active Active
- 2010-01-12 WO PCT/IB2010/050108 patent/WO2010095063A1/en active Application Filing
- 2010-01-12 US US13/147,205 patent/US8467848B2/en active Active
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Publication number | Publication date |
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RU2521738C2 (ru) | 2014-07-10 |
EP2399143B1 (en) | 2015-11-11 |
US8467848B2 (en) | 2013-06-18 |
CN102317806A (zh) | 2012-01-11 |
JP2012517848A (ja) | 2012-08-09 |
WO2010095063A1 (en) | 2010-08-26 |
CN102317806B (zh) | 2014-12-17 |
US20110288401A1 (en) | 2011-11-24 |
EP2399143A1 (en) | 2011-12-28 |
RU2011138144A (ru) | 2013-03-27 |
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