WO2010142760A3 - Capteur et unité de champ magnétique destinés à être utilisés dans un système de tomographie par résonance magnétique ou dans un système de spectroscopie par résonance magnétique - Google Patents

Capteur et unité de champ magnétique destinés à être utilisés dans un système de tomographie par résonance magnétique ou dans un système de spectroscopie par résonance magnétique Download PDF

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Publication number
WO2010142760A3
WO2010142760A3 PCT/EP2010/058144 EP2010058144W WO2010142760A3 WO 2010142760 A3 WO2010142760 A3 WO 2010142760A3 EP 2010058144 W EP2010058144 W EP 2010058144W WO 2010142760 A3 WO2010142760 A3 WO 2010142760A3
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic resonance
sensor
magnetic
magnetic field
field unit
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.)
Ceased
Application number
PCT/EP2010/058144
Other languages
German (de)
English (en)
Other versions
WO2010142760A2 (fr
Inventor
Volker Rasche
Erich Hell
Johannes Ulrici
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sirona Dental Systems GmbH
Original Assignee
Sirona Dental Systems GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sirona Dental Systems GmbH filed Critical Sirona Dental Systems GmbH
Publication of WO2010142760A2 publication Critical patent/WO2010142760A2/fr
Publication of WO2010142760A3 publication Critical patent/WO2010142760A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
    • A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
    • A61B5/4542—Evaluating the mouth, e.g. the jaw
    • A61B5/4547—Evaluating teeth
    • 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
    • G01R33/30—Sample handling arrangements, e.g. sample cells, spinning mechanisms
    • G01R33/302—Miniaturized sample handling arrangements for sampling small quantities, e.g. flow-through microfluidic NMR chips
    • 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
    • G01R33/34084—Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
    • 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
    • G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

Capteur (1) destiné à être utilisé dans un système de tomographie par résonance magnétique ou dans un système de spectroscopie par résonance magnétique, qui comprend au moins un système de bobines de gradient (4) pour la production d'un champ de gradients et au moins une bobine de réception (3) pour la mesure d'un champ à haute fréquence. La bobine de réception (3) et le système de bobines de gradient (4) sont fixés sur un élément de retenue (2), l'élément de retenue (2) pourvu de la bobine de réception (3) et du système de bobines de gradient (4) pouvant être installé au moins partiellement dans une cavité buccale (21) à proximité immédiate d'un objet à examiner (7). La présente invention concerne en outre une unité de champ magnétique qui comporte le capteur (1) selon la présente invention et un aimant permanent destiné à produire un champ magnétique principal.
PCT/EP2010/058144 2009-06-10 2010-06-10 Capteur et unité de champ magnétique destinés à être utilisés dans un système de tomographie par résonance magnétique ou dans un système de spectroscopie par résonance magnétique Ceased WO2010142760A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102009026897.9 2009-06-10
DE102009026897A DE102009026897A1 (de) 2009-06-10 2009-06-10 Sensor sowie Magnetfeldeinheit zur Verwendung innerhalb eines Magnetresonanztomographie-Systems oder eines Magnetresonanzspektroskopie-Systems
US22795609P 2009-07-23 2009-07-23
US61/227,956 2009-07-23

Publications (2)

Publication Number Publication Date
WO2010142760A2 WO2010142760A2 (fr) 2010-12-16
WO2010142760A3 true WO2010142760A3 (fr) 2011-03-31

Family

ID=43069926

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/058144 Ceased WO2010142760A2 (fr) 2009-06-10 2010-06-10 Capteur et unité de champ magnétique destinés à être utilisés dans un système de tomographie par résonance magnétique ou dans un système de spectroscopie par résonance magnétique

Country Status (2)

Country Link
DE (1) DE102009026897A1 (fr)
WO (1) WO2010142760A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2486413B (en) * 2010-12-13 2013-06-19 Mordechi Shahak Dental implant detector
CN102657559B (zh) * 2012-04-26 2017-12-22 中国人民解放军军事医学科学院放射与辐射医学研究所 用于在体测量人牙齿的电子顺磁共振谐振腔
DE102012217483B4 (de) 2012-09-26 2014-11-06 Siemens Aktiengesellschaft Aufnahme von Messdaten von mindestens einem Zahn als Untersuchungsobjekt mittels Magnetresonanztechnik
DE102013226745A1 (de) * 2013-12-19 2015-06-25 Sirona Dental Systems Gmbh Magnetresonanz-Abtastvorrichtung für die medizinische Diagnostik
DE102015226151A1 (de) * 2015-12-21 2017-06-22 Robert Bosch Gmbh Verwendung eines Messgeräts zur Untersuchung eines Zahns oder Gebisses
CN109847196B (zh) * 2018-12-29 2024-07-19 佛山瑞加图医疗科技有限公司 磁共振引导的放疗系统的磁场补偿系统和方法
US11448714B2 (en) * 2019-07-18 2022-09-20 Regents Of The University Of Minnesota Multi-planar intraoral RF coil for magnetic resonance imaging
EP3828575B1 (fr) * 2019-11-27 2025-08-27 Siemens Healthineers AG Système d'imagerie par résonance magnétique doté d'un aimant rotatif

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2261516A (en) * 1991-11-08 1993-05-19 Marconi Gec Ltd Magnetic resonance system and probe
US5304930A (en) * 1993-02-01 1994-04-19 Panacea Medical Laboratories Remotely positioned MRI system
DE19733742C1 (de) * 1997-08-04 1999-02-04 Siemens Ag Verfahren zur Lärmminderung beim Betrieb einer Gradientenspule
DE19746735A1 (de) * 1997-10-13 1999-04-15 Andreas Dr Melzer NMR-Blidgebungsverfahren zur Darstellung, Positionsbestimmung oder funktionellen Kontrolle einer in ein Untersuchungsobjekt eingeführten Vorrichtung und Vorrichtung zur Verwendung in einem derartigen Verfahren
US20080088311A1 (en) * 2006-10-13 2008-04-17 Kabushiki Kaisha Toshiba Magnetic resonance apparatus
US20090082690A1 (en) * 2007-09-25 2009-03-26 Neosync, Inc. Systems and Methods for Neuro-EEG Synchronization Therapy
US20090140735A1 (en) * 2007-12-04 2009-06-04 Li Ming Chen Temperature-controlled magnetic resonance imaging method and apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1176197A (ja) * 1997-09-07 1999-03-23 Tomosuke Nonomura Ｍｒｉ装置
DE10147743C1 (de) 2001-09-27 2003-04-17 Siemens Ag Hochfrequenz-Spule, Vorrichtung mit der Hochfrequenz-Spule und Verwendung eines vernetzten Polymer-Werkstoffs bei der Hochfrequenz-Spule
DE10324353A1 (de) * 2003-05-27 2005-01-13 Forschungszentrum Jülich GmbH Verfahren zum Transport eines hyperpolarisierten Edelgases
DE202007008008U1 (de) 2006-06-06 2007-10-31 Sirona Dental Systems Gmbh Vorrichtung zur Tomographie für Gewebeuntersuchungen von Körperteilen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2261516A (en) * 1991-11-08 1993-05-19 Marconi Gec Ltd Magnetic resonance system and probe
US5304930A (en) * 1993-02-01 1994-04-19 Panacea Medical Laboratories Remotely positioned MRI system
DE19733742C1 (de) * 1997-08-04 1999-02-04 Siemens Ag Verfahren zur Lärmminderung beim Betrieb einer Gradientenspule
DE19746735A1 (de) * 1997-10-13 1999-04-15 Andreas Dr Melzer NMR-Blidgebungsverfahren zur Darstellung, Positionsbestimmung oder funktionellen Kontrolle einer in ein Untersuchungsobjekt eingeführten Vorrichtung und Vorrichtung zur Verwendung in einem derartigen Verfahren
US20080088311A1 (en) * 2006-10-13 2008-04-17 Kabushiki Kaisha Toshiba Magnetic resonance apparatus
US20090082690A1 (en) * 2007-09-25 2009-03-26 Neosync, Inc. Systems and Methods for Neuro-EEG Synchronization Therapy
US20090140735A1 (en) * 2007-12-04 2009-06-04 Li Ming Chen Temperature-controlled magnetic resonance imaging method and apparatus

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "SiemenTrio 3T TIM Trio", 5 January 2011 (2011-01-05), pages 1 - 6, XP002615690, Retrieved from the Internet <URL:http://www.camri.northwestern.edu/during-your-study/siemens-3t-tim-trio/> [retrieved on 20110105] *
O. TYMOFIYEVA ET AL: "In vivo MRI-based dental impression using an intraoral RF receiver coil", CONCEPTS IN MAGNETIC RESONANCE PART B: MAGNETIC RESONANCE ENGINEERING, vol. 33b, no. 4, 1 October 2008 (2008-10-01), pages 244 - 251, XP002615689 *

Also Published As

Publication number Publication date
WO2010142760A2 (fr) 2010-12-16
DE102009026897A1 (de) 2010-12-16

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