FR3120129B1 - Dispositif correcteur de champ magnétique en IRM - Google Patents
Dispositif correcteur de champ magnétique en IRM Download PDFInfo
- Publication number
- FR3120129B1 FR3120129B1 FR2101730A FR2101730A FR3120129B1 FR 3120129 B1 FR3120129 B1 FR 3120129B1 FR 2101730 A FR2101730 A FR 2101730A FR 2101730 A FR2101730 A FR 2101730A FR 3120129 B1 FR3120129 B1 FR 3120129B1
- Authority
- FR
- France
- Prior art keywords
- magnetic field
- mri
- correction device
- field correction
- substrate
- 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.)
- Active
Links
- 238000002595 magnetic resonance imaging Methods 0.000 abstract 3
- 239000000758 substrate Substances 0.000 abstract 2
Classifications
-
- 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
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/5659—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field
-
- 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
- G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Dispositif correcteur de champ magnétique en IRM Dispositif correcteur (1) de champ magnétique en imagerie par résonance magnétique, destiné à être positionné sur une zone du corps d’un patient lors d’un examen en imagerie par résonance magnétique, comportant un substrat et au moins une piste conductrice (11) disposée sur ledit substrat, ladite au moins une piste conductrice (11) comportant au moins deux segments (S1 ; S2) reliés entre eux par au moins un composant électrique réactif (12). Figure pour l’abrégé : Fig. 1
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2101730A FR3120129B1 (fr) | 2021-02-23 | 2021-02-23 | Dispositif correcteur de champ magnétique en IRM |
PCT/EP2022/053380 WO2022179863A1 (fr) | 2021-02-23 | 2022-02-11 | Dispositif correcteur de champ magnétique en irm |
JP2023574754A JP2024507010A (ja) | 2021-02-23 | 2022-02-11 | Mri磁場補正デバイス |
US18/278,084 US20240053424A1 (en) | 2021-02-23 | 2022-02-11 | Mri magnetic field correction device |
CN202280016500.7A CN117043620A (zh) | 2021-02-23 | 2022-02-11 | Mri磁场校正装置 |
EP22708082.7A EP4298449A1 (fr) | 2021-02-23 | 2022-02-11 | Dispositif correcteur de champ magnétique en irm |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2101730A FR3120129B1 (fr) | 2021-02-23 | 2021-02-23 | Dispositif correcteur de champ magnétique en IRM |
FR2101730 | 2021-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3120129A1 FR3120129A1 (fr) | 2022-08-26 |
FR3120129B1 true FR3120129B1 (fr) | 2024-01-19 |
Family
ID=76159493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR2101730A Active FR3120129B1 (fr) | 2021-02-23 | 2021-02-23 | Dispositif correcteur de champ magnétique en IRM |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240053424A1 (fr) |
EP (1) | EP4298449A1 (fr) |
JP (1) | JP2024507010A (fr) |
CN (1) | CN117043620A (fr) |
FR (1) | FR3120129B1 (fr) |
WO (1) | WO2022179863A1 (fr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007011840B4 (de) | 2007-03-12 | 2009-01-29 | Siemens Ag | Feldverteilungs-Korrekturelement, Verfahren zur Erzeugung von Magnetresonanzaufnahmen eines Untersuchungsobjekts und Verwendung des Feldverteilungs-Korrekturelements |
ATE505736T1 (de) * | 2007-09-28 | 2011-04-15 | Max Planck Gesellschaft | Streifenleiter-antenne und antennenanordnung für ein magnetresonanzgerät |
AU2010327289B2 (en) | 2009-12-02 | 2015-05-28 | Nanalysis Corp. | Method and apparatus for producing homogeneous magnetic fields |
CN102723608B (zh) * | 2012-02-29 | 2015-09-09 | 深圳光启创新技术有限公司 | 一种超材料 |
US10357180B2 (en) | 2014-01-16 | 2019-07-23 | D.T.R. Dermal Therapy Research Inc. | Health monitoring system |
GB2580011B (en) * | 2018-08-03 | 2021-11-24 | Medical Wireless Sensing Ltd | Tunable metamaterial device |
-
2021
- 2021-02-23 FR FR2101730A patent/FR3120129B1/fr active Active
-
2022
- 2022-02-11 WO PCT/EP2022/053380 patent/WO2022179863A1/fr active Application Filing
- 2022-02-11 CN CN202280016500.7A patent/CN117043620A/zh active Pending
- 2022-02-11 JP JP2023574754A patent/JP2024507010A/ja active Pending
- 2022-02-11 EP EP22708082.7A patent/EP4298449A1/fr active Pending
- 2022-02-11 US US18/278,084 patent/US20240053424A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR3120129A1 (fr) | 2022-08-26 |
EP4298449A1 (fr) | 2024-01-03 |
US20240053424A1 (en) | 2024-02-15 |
WO2022179863A1 (fr) | 2022-09-01 |
JP2024507010A (ja) | 2024-02-15 |
CN117043620A (zh) | 2023-11-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 2 |
|
PLSC | Publication of the preliminary search report |
Effective date: 20220826 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 4 |
|
CD | Change of name or company name |
Owner name: MULTIWAVE TECHNOLOGIES, FR Effective date: 20240514 Owner name: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, FR Effective date: 20240514 Owner name: UNIVERSITE D'AIX-MARSEILLE, FR Effective date: 20240514 |