JP5750684B2 - Pet−mri装置 - Google Patents
Pet−mri装置 Download PDFInfo
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- JP5750684B2 JP5750684B2 JP2010245605A JP2010245605A JP5750684B2 JP 5750684 B2 JP5750684 B2 JP 5750684B2 JP 2010245605 A JP2010245605 A JP 2010245605A JP 2010245605 A JP2010245605 A JP 2010245605A JP 5750684 B2 JP5750684 B2 JP 5750684B2
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- magnetic field
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
- A61B5/0035—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for acquisition of images from more than one imaging mode, e.g. combining MRI and optical tomography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- 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
-
- 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
- A61B6/44—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 for radiation diagnosis, e.g. 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
- A61B6/5235—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 the same or different ionising radiation imaging techniques, e.g. PET and CT
-
- 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
- A61B6/52—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
- G01R33/44—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]
-
- 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
- G01T1/1603—Measuring radiation intensity with a combination of at least two different types of detector
Description
5 送信用高周波コイル
3 傾斜磁場コイル
7 受信用高周波コイル
10 計算機
13 PET検出器
16 PET画像再構成部
18 高周波シールド
Claims (7)
- 略円筒状のボア内に静磁場を発生させる静磁場磁石と、
前記静磁場内に置かれた被検体に高周波磁場を印加する送信用高周波コイルと、
前記被検体に傾斜磁場を印加する傾斜磁場コイルと、
前記高周波磁場及び前記傾斜磁場の印加により前記被検体から発せられる磁気共鳴信号を検出する受信用高周波コイルと、
前記受信用高周波コイルにより検出された磁気共鳴信号に基づいてMR画像を再構成するMR画像再構成部と、
前記送信用高周波コイルの外周側に配置され、前記被検体に投与された陽電子放出核種から放出されるガンマ線を検出するリング状の検出部と、
前記検出部により検出されたガンマ線に基づいて生成された投影データからPET画像を再構成するPET画像再構成部と、
前記送信用高周波コイルと前記検出部との間に配置され、前記送信用高周波コイルにより発生する高周波磁場を遮蔽する略円筒状の高周波シールドと
を備え、
前記静磁場の磁場中心を挟むように前記ボアの軸方向に間隔を開けて配置された少なくとも2つのPET検出部を有することを特徴とするPET−MRI装置。 - 前記高周波シールドは、前記検出部の内周側に配置されることを特徴とする請求項1に記載のPET−MRI装置。
- 前記検出部に接続される信号線は、前記高周波シールドの外周側に配線されることを特徴とする請求項2に記載のPET−MRI装置。
- 略円筒状のボア内に静磁場を発生させる静磁場磁石と、
前記静磁場内に置かれた被検体に高周波磁場を印加する送信用高周波コイルと、
前記被検体に傾斜磁場を印加する傾斜磁場コイルと、
前記高周波磁場及び前記傾斜磁場の印加により前記被検体から発せられる磁気共鳴信号を検出する受信用高周波コイルと、
前記受信用高周波コイルにより検出された磁気共鳴信号に基づいてMR画像を再構成するMR画像再構成部と、
前記送信用高周波コイルの外周側に配置され、前記被検体に投与された陽電子放出核種から放出されるガンマ線を検出するリング状の検出部と、
前記検出部により検出されたガンマ線に基づいて生成された投影データからPET画像を再構成するPET画像再構成部と、
前記検出部の外周側に配置された略円筒状の第1の高周波シールドと、
前記検出部の露出面を覆うように形成された第2の高周波シールドと
を備え、
前記静磁場の磁場中心を挟むように前記ボアの軸方向に間隔を開けて配置された少なくとも2つのPET検出部を有することを特徴とするPET−MRI装置。 - 前記検出部に接続される信号線は、前記第1の高周波シールドの外周側に配線されることを特徴とする請求項4に記載のPET−MRI装置。
- 前記検出部に接続される信号線は、前記第1の高周波シールドの内周側に配線され、
該信号線は、同軸ケーブルであり、外側の導体が前記第1の高周波シールドに電気的に接続されることを特徴とする請求項4に記載のPET−MRI装置。 - 前記検出部に接続される信号線は、前記第1の高周波シールドの内周側に配線され、
該信号線は、第3の高周波シールドで覆われることを特徴とする請求項4に記載のPET−MRI装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010245605A JP5750684B2 (ja) | 2010-11-01 | 2010-11-01 | Pet−mri装置 |
CN201180004166.5A CN102695450B (zh) | 2010-11-01 | 2011-10-28 | Pet‑mri装置 |
PCT/JP2011/074990 WO2012060304A1 (ja) | 2010-11-01 | 2011-10-28 | Pet-mri装置 |
US13/873,706 US9864028B2 (en) | 2010-11-01 | 2013-04-30 | PET-MRI apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010245605A JP5750684B2 (ja) | 2010-11-01 | 2010-11-01 | Pet−mri装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012095819A JP2012095819A (ja) | 2012-05-24 |
JP5750684B2 true JP5750684B2 (ja) | 2015-07-22 |
Family
ID=46024417
Family Applications (1)
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JP2010245605A Active JP5750684B2 (ja) | 2010-11-01 | 2010-11-01 | Pet−mri装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9864028B2 (ja) |
JP (1) | JP5750684B2 (ja) |
CN (1) | CN102695450B (ja) |
WO (1) | WO2012060304A1 (ja) |
Families Citing this family (22)
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JP2013228226A (ja) | 2012-04-24 | 2013-11-07 | Toshiba Corp | Pet−mri装置 |
CN103619246B (zh) | 2012-04-24 | 2017-05-17 | 东芝医疗系统株式会社 | 医用图像诊断装置 |
WO2013161910A1 (ja) * | 2012-04-24 | 2013-10-31 | 株式会社東芝 | Pet-mri装置 |
WO2013161911A1 (ja) | 2012-04-24 | 2013-10-31 | 株式会社東芝 | 医用画像診断装置及びpet-mri装置 |
US9265440B2 (en) * | 2012-05-30 | 2016-02-23 | General Electric Company | Split bridge for PET-MR scanner |
KR102038629B1 (ko) * | 2013-02-04 | 2019-10-30 | 삼성전자주식회사 | Mri-pet시스템 |
WO2014121991A1 (en) * | 2013-02-06 | 2014-08-14 | Koninklijke Philips N.V. | Active compensation for field distorting components in a magnetic resonance imaging system with a gantry |
JP6502936B2 (ja) | 2013-07-19 | 2019-04-17 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | Mriおよび核撮像のための複合アセンブリーにおける干渉低減 |
JP6750973B2 (ja) | 2016-07-26 | 2020-09-02 | キヤノンメディカルシステムズ株式会社 | Pet−mri装置及び高周波コイル |
US20180074144A1 (en) * | 2016-09-11 | 2018-03-15 | Aspect Imaging Ltd. | Combining simultaneous magnetic resonance imaging (mri) and positron-emission tomography (pet) |
EP3351955A1 (en) * | 2017-01-20 | 2018-07-25 | Dennis Klomp | Rf-shielded hybrid mr system |
CN108261200B (zh) * | 2018-01-17 | 2022-07-26 | 上海联影医疗科技股份有限公司 | Mr-pet扫描装置 |
US11564575B2 (en) | 2018-01-17 | 2023-01-31 | Shanghai United Imaging Healthcare Co., Ltd. | Magnetic resonance-positron emission tomography imaging apparatus |
US11227588B2 (en) | 2018-12-07 | 2022-01-18 | Nuance Communications, Inc. | System and method for feature based beam steering |
CN109696642A (zh) * | 2018-12-29 | 2019-04-30 | 佛山瑞加图医疗科技有限公司 | 射频线圈装置及磁共振成像系统 |
US11090012B2 (en) | 2019-01-29 | 2021-08-17 | Shanghai United Imaging Healthcare Co., Ltd. | Positron emission tomography-magnetic resonance imaging apparatus |
CN110559004A (zh) * | 2019-09-18 | 2019-12-13 | 上海联影医疗科技有限公司 | 一种医学系统 |
WO2021060286A1 (ja) * | 2019-09-24 | 2021-04-01 | 国立研究開発法人量子科学技術研究開発機構 | 放射線画像化ユニット及び放射線検出器モジュール |
CA3129326A1 (en) * | 2019-11-13 | 2021-05-20 | Sino Canada Health Institute Inc. | Brainpet system for simultaneous mri and pet imaging |
CN111956253B (zh) * | 2020-09-14 | 2023-05-23 | 明峰医疗系统股份有限公司 | 一种非匹配式pet扫描和重建方法 |
US11402451B2 (en) * | 2020-09-24 | 2022-08-02 | Siemens Medical Solutions Usa, Inc. | Timing signal distribution to pet imaging components via optical path |
Family Cites Families (16)
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US6961604B1 (en) | 2001-10-09 | 2005-11-01 | Koninklijke Philips Electroncis N.V. | Wireless controller and application interface for an MRI system |
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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DE102005015070B4 (de) * | 2005-04-01 | 2017-02-02 | Siemens Healthcare Gmbh | Kombiniertes Positronen-Emissions-Tomographie-und Magnetresonanz-Tomographie-Gerät |
JP4327119B2 (ja) * | 2005-04-22 | 2009-09-09 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 切換装置、rfコイル及び磁気共鳴撮像装置 |
DE102006045427A1 (de) * | 2006-09-26 | 2008-04-10 | Siemens Ag | Detektionseinheit zur Anordnung in einer Felderzeugungseinheit eines MR-Geräts |
RU2453271C2 (ru) * | 2006-10-31 | 2012-06-20 | Конинклейке Филипс Электроникс Н.В. | Ложе для пациента для системы получения изображений пэт/мп |
US7945079B2 (en) * | 2006-11-22 | 2011-05-17 | The General Hospital Corporation | Motion correction of PET images using navigator data acquired with an MRI system |
US7667457B2 (en) * | 2006-12-22 | 2010-02-23 | General Electric Co. | System and apparatus for detecting gamma rays in a PET/MRI scanner |
DE102007009184B4 (de) | 2007-02-26 | 2017-03-23 | Siemens Healthcare Gmbh | Vorrichtung zur überlagerten MRI- und PET-Bilddarstellung |
EP2135107B1 (en) | 2007-04-04 | 2015-07-29 | Koninklijke Philips N.V. | Pet/mri hybrid system using a split gradient coil |
WO2009013650A2 (en) * | 2007-07-25 | 2009-01-29 | Koninklijke Philips Electronics N.V. | Mr/pet imaging systems |
EP2399143B1 (en) * | 2009-02-17 | 2015-11-11 | Koninklijke Philips N.V. | Big bore pet/mr system |
KR101031483B1 (ko) * | 2009-02-24 | 2011-04-26 | 성균관대학교산학협력단 | Pet-mri 융합시스템 |
US9029787B2 (en) | 2009-03-12 | 2015-05-12 | National Institute Of Radiological Sciences | Multi-purpose PET device |
US20120150017A1 (en) | 2009-03-12 | 2012-06-14 | National Institute Of Radiological Sciences | Open pet/mri hybrid machine |
-
2010
- 2010-11-01 JP JP2010245605A patent/JP5750684B2/ja active Active
-
2011
- 2011-10-28 WO PCT/JP2011/074990 patent/WO2012060304A1/ja active Application Filing
- 2011-10-28 CN CN201180004166.5A patent/CN102695450B/zh active Active
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2013
- 2013-04-30 US US13/873,706 patent/US9864028B2/en active Active
Also Published As
Publication number | Publication date |
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CN102695450B (zh) | 2017-02-15 |
CN102695450A (zh) | 2012-09-26 |
US9864028B2 (en) | 2018-01-09 |
WO2012060304A1 (ja) | 2012-05-10 |
US20130234710A1 (en) | 2013-09-12 |
JP2012095819A (ja) | 2012-05-24 |
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