DE112013004852T5 - Metall-unempfindliche MR-Bildgebungs-Referenzabtastung - Google Patents
Metall-unempfindliche MR-Bildgebungs-Referenzabtastung Download PDFInfo
- Publication number
- DE112013004852T5 DE112013004852T5 DE112013004852.3T DE112013004852T DE112013004852T5 DE 112013004852 T5 DE112013004852 T5 DE 112013004852T5 DE 112013004852 T DE112013004852 T DE 112013004852T DE 112013004852 T5 DE112013004852 T5 DE 112013004852T5
- Authority
- DE
- Germany
- Prior art keywords
- pulses
- signals
- coils
- stimulated echo
- fid
- 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.)
- Withdrawn
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Classifications
-
- 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
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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
- G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/246—Spatial mapping of the RF magnetic field B1
-
- 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
-
- 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
-
- 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
-
- 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
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
- G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Signal Processing (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261708680P | 2012-10-02 | 2012-10-02 | |
| US61/708,680 | 2012-10-02 | ||
| PCT/IB2013/058447 WO2014053927A1 (en) | 2012-10-02 | 2013-09-11 | Metal resistant mr imaging reference scan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE112013004852T5 true DE112013004852T5 (de) | 2015-06-18 |
Family
ID=49585456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112013004852.3T Withdrawn DE112013004852T5 (de) | 2012-10-02 | 2013-09-11 | Metall-unempfindliche MR-Bildgebungs-Referenzabtastung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9977108B2 (https=) |
| JP (1) | JP6275148B2 (https=) |
| CN (1) | CN104685368B (https=) |
| BR (1) | BR112015007079A2 (https=) |
| DE (1) | DE112013004852T5 (https=) |
| GB (1) | GB2521789B (https=) |
| RU (1) | RU2015116879A (https=) |
| WO (1) | WO2014053927A1 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325525A (zh) * | 2020-09-29 | 2022-04-12 | 西门子医疗有限公司 | 省时的基于具有激励的回波的双回波序列的b0图的产生 |
| US20220146614A1 (en) * | 2019-03-14 | 2022-05-12 | Koninklijke Philips N.V. | Mr imaging using a 3d radial or spiral acquisition with soft motion gating |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10156625B2 (en) * | 2013-08-12 | 2018-12-18 | Koninklijke Philips N.V. | MR imaging with B1 mapping |
| JP2016533838A (ja) * | 2013-09-10 | 2016-11-04 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 金属耐性mrイメージング |
| JP6496311B2 (ja) | 2013-10-21 | 2019-04-03 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 温度マッピングを伴うmrイメージング |
| DE112015005479B4 (de) * | 2014-12-04 | 2024-09-19 | General Electric Company | Verfahren und System zur verbesserten Klassifizierung von Bestandsmaterialien |
| EP3234624B1 (en) * | 2014-12-15 | 2018-11-07 | Koninklijke Philips N.V. | Spin echo mr imaging |
| JP6458170B2 (ja) * | 2015-05-13 | 2019-01-23 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | Rfコイル感度マッピングを用いるパラレルmr撮像 |
| CN105388435B (zh) * | 2015-12-29 | 2018-09-18 | 沈阳东软医疗系统有限公司 | 一种磁共振成像系统射频线圈的调谐装置及方法 |
| WO2018036986A1 (en) * | 2016-08-25 | 2018-03-01 | Koninklijke Philips N.V. | Bo-corrected sensitivity encoding magnetic resonance imaging |
| EP3413074A1 (en) * | 2017-06-09 | 2018-12-12 | Koninklijke Philips N.V. | Parallel multi-slice mr imaging |
| CN108324275B (zh) * | 2018-01-03 | 2021-05-28 | 上海东软医疗科技有限公司 | 一种磁共振成像信号和波谱信号的采集方法和装置 |
| EP3531154A1 (en) * | 2018-02-22 | 2019-08-28 | Koninklijke Philips N.V. | Dixon mr imaging using a multi-gradient-echo sequence |
| CN112752982A (zh) * | 2018-09-28 | 2021-05-04 | 西门子医疗有限公司 | 用于通过磁共振设备在膝部成像中记录检查对象的膝部的诊断测量数据的方法 |
| EP3730962A1 (en) * | 2019-04-23 | 2020-10-28 | Koninklijke Philips N.V. | Parallel mr imaging using wave-encoding |
| DE102019207558A1 (de) * | 2019-05-23 | 2020-11-26 | Siemens Healthcare Gmbh | Verfahren zur Aufnahme von Magnetresonanzdaten, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger |
| DE102020212183A1 (de) * | 2020-09-28 | 2022-03-31 | Siemens Healthcare Gmbh | Verfahren zur Erstellung von diffusionsgewichteten und nicht-diffusionsgewichteten Messdaten mittels Magnetresonanz |
| US12510616B2 (en) | 2023-06-30 | 2025-12-30 | Canon Medical Systems Corporation | Magnetic resonance imaging method, system, and computer program product utilizing B1 amplitude-based corrections |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885542A (en) | 1988-04-14 | 1989-12-05 | The Regents Of The University Of California | MRI compensated for spurious NMR frequency/phase shifts caused by spurious changes in magnetic fields during NMR data measurement processes |
| US5378985A (en) * | 1993-07-15 | 1995-01-03 | General Electric Company | Fast spin echo prescan for MRI system |
| US20070182410A1 (en) | 2004-01-15 | 2007-08-09 | Niemi Anne K | Coil sensitivity estimation for parallel imaging |
| JP4647959B2 (ja) * | 2004-09-10 | 2011-03-09 | 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 | Mri装置、画像均一度評価方法および画像均一度評価装置 |
| JP4825029B2 (ja) | 2006-03-17 | 2011-11-30 | 富士通セミコンダクター株式会社 | ボンディング装置及びボンディング方法 |
| CN101490577B (zh) | 2006-07-18 | 2012-10-03 | 皇家飞利浦电子股份有限公司 | 图像重建设备及方法及磁共振成像系统 |
| EP2210120A1 (en) * | 2007-11-08 | 2010-07-28 | Koninklijke Philips Electronics N.V. | Method of performing an mri reference scan |
| EP2233941A1 (en) * | 2009-03-25 | 2010-09-29 | Koninklijke Philips Electronics N.V. | MR imaging using parallel signal acquisition |
| US8305077B2 (en) | 2009-07-06 | 2012-11-06 | University Of Utah Research Foundation | Phase sensitive radio frequency mapping for magnetic resonance imaging |
| CA2683411C (en) | 2009-08-31 | 2017-07-18 | University Of New Brunswick | Magnetic resonance imaging apparatus and method |
| JP5718655B2 (ja) | 2010-04-30 | 2015-05-13 | 株式会社東芝 | 磁気共鳴イメージング装置 |
| US9297870B2 (en) | 2010-05-27 | 2016-03-29 | Koninklijke Philips N.V. | Magnetic resonance examination with instrument detection |
| US8912795B2 (en) | 2010-11-30 | 2014-12-16 | Wine Scanner Inc. | Nuclear magnetic resonance scanning of metal containers using medium-field technology |
| EP2461175A1 (en) | 2010-12-02 | 2012-06-06 | Koninklijke Philips Electronics N.V. | MR imaging using a multi-point Dixon technique |
| EP2500742A1 (en) * | 2011-03-17 | 2012-09-19 | Koninklijke Philips Electronics N.V. | Restriction of the imaging region for MRI in an inhomogeneous magnetic field |
-
2013
- 2013-09-11 CN CN201380051550.XA patent/CN104685368B/zh not_active Expired - Fee Related
- 2013-09-11 US US14/432,931 patent/US9977108B2/en active Active
- 2013-09-11 WO PCT/IB2013/058447 patent/WO2014053927A1/en not_active Ceased
- 2013-09-11 RU RU2015116879A patent/RU2015116879A/ru not_active Application Discontinuation
- 2013-09-11 BR BR112015007079A patent/BR112015007079A2/pt not_active IP Right Cessation
- 2013-09-11 JP JP2015533721A patent/JP6275148B2/ja not_active Expired - Fee Related
- 2013-09-11 GB GB1507413.1A patent/GB2521789B/en not_active Expired - Fee Related
- 2013-09-11 DE DE112013004852.3T patent/DE112013004852T5/de not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220146614A1 (en) * | 2019-03-14 | 2022-05-12 | Koninklijke Philips N.V. | Mr imaging using a 3d radial or spiral acquisition with soft motion gating |
| US11852705B2 (en) * | 2019-03-14 | 2023-12-26 | Koninklijke Philips N.V. | MR imaging using a 3D radial or spiral acquisition with soft motion gating |
| CN114325525A (zh) * | 2020-09-29 | 2022-04-12 | 西门子医疗有限公司 | 省时的基于具有激励的回波的双回波序列的b0图的产生 |
| CN114325525B (zh) * | 2020-09-29 | 2024-04-19 | 西门子医疗有限公司 | 用于产生用于磁共振检查的b0图的方法和磁共振设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2521789A (en) | 2015-07-01 |
| BR112015007079A2 (pt) | 2017-07-04 |
| US9977108B2 (en) | 2018-05-22 |
| US20150253406A1 (en) | 2015-09-10 |
| WO2014053927A1 (en) | 2014-04-10 |
| GB2521789B (en) | 2020-02-26 |
| CN104685368A (zh) | 2015-06-03 |
| GB201507413D0 (en) | 2015-06-17 |
| RU2015116879A (ru) | 2016-11-27 |
| JP2015530175A (ja) | 2015-10-15 |
| JP6275148B2 (ja) | 2018-02-07 |
| CN104685368B (zh) | 2017-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed | ||
| R079 | Amendment of ipc main class |
Free format text: PREVIOUS MAIN CLASS: G01R0033240000 Ipc: G01R0033483000 |
|
| R079 | Amendment of ipc main class |
Free format text: PREVIOUS MAIN CLASS: G01R0033483000 Ipc: G01R0033540000 |
|
| R016 | Response to examination communication | ||
| R081 | Change of applicant/patentee |
Owner name: PHILIPS GMBH, DE Free format text: FORMER OWNER: PHILIPS GMBH, 20099 HAMBURG, DE |
|
| R082 | Change of representative |
Representative=s name: MEISSNER BOLTE PATENTANWAELTE RECHTSANWAELTE P, DE |
|
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |