DE102004017044B4 - Vorrichtung zur elektrischen Belastung von Hochfrequenzspulen unter Verwendung von leitenden Polymeren - Google Patents

Vorrichtung zur elektrischen Belastung von Hochfrequenzspulen unter Verwendung von leitenden Polymeren Download PDF

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Publication number
DE102004017044B4
DE102004017044B4 DE102004017044A DE102004017044A DE102004017044B4 DE 102004017044 B4 DE102004017044 B4 DE 102004017044B4 DE 102004017044 A DE102004017044 A DE 102004017044A DE 102004017044 A DE102004017044 A DE 102004017044A DE 102004017044 B4 DE102004017044 B4 DE 102004017044B4
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Germany
Prior art keywords
loader
phantom
electrically conductive
polymer
conductive additive
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Expired - Fee Related
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DE102004017044A
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German (de)
English (en)
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DE102004017044A1 (de
Inventor
Timothy W. Skloss
Dewain A. Purgill
Roman I. Dachniwskyj
Daniel J. Schaefer
Steven C. Davis
Daniel J. Weyers
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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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
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE102004017044A 2003-04-04 2004-04-02 Vorrichtung zur elektrischen Belastung von Hochfrequenzspulen unter Verwendung von leitenden Polymeren Expired - Fee Related DE102004017044B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/249390 2003-04-04
US10/249,390 US7081752B2 (en) 2003-04-04 2003-04-04 System and method of electrically loading radio-frequency coils using conductive polymers

Publications (2)

Publication Number Publication Date
DE102004017044A1 DE102004017044A1 (de) 2004-10-21
DE102004017044B4 true DE102004017044B4 (de) 2013-12-12

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DE102004017044A Expired - Fee Related DE102004017044B4 (de) 2003-04-04 2004-04-02 Vorrichtung zur elektrischen Belastung von Hochfrequenzspulen unter Verwendung von leitenden Polymeren

Country Status (3)

Country Link
US (1) US7081752B2 (https=)
JP (1) JP4680527B2 (https=)
DE (1) DE102004017044B4 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009511232A (ja) * 2005-10-18 2009-03-19 ターシオップ テクノロジーズ リミテッド ライアビリティ カンパニー 高利得の核磁気共鳴画像法のための方法及び装置
JP2009544432A (ja) * 2006-07-28 2009-12-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｍｒｉファントムにおいて誘電共振効果を減少するミセル溶液
JP2008136586A (ja) * 2006-11-30 2008-06-19 Ge Medical Systems Global Technology Co Llc Ｍｒｉ用ファントムの電気的ロード調整方法およびｍｒｉ用ファントム装置
DE102007028859B4 (de) * 2007-06-22 2010-09-30 Josef Lindthaler Vorrichtung zur Kontaktbelichtung einer Druckform
DE102007048970A1 (de) * 2007-10-12 2009-04-23 Siemens Ag B0-Feld-Drift-Korrektur bei einer magnetresonanztomographisch erstellten Temperaturkarte
WO2009153705A1 (en) * 2008-06-20 2009-12-23 Koninklijke Philips Electronics N.V. Electronic load simulator device for testing rf coils
US9201127B2 (en) * 2010-11-26 2015-12-01 General Electric Company Apparatus for automatically testing and tuning radio frequency coil
US10145928B2 (en) * 2013-11-28 2018-12-04 Medimagemetric LLC Differential approach to quantitative susceptibility mapping without background field removal
JP6965016B2 (ja) * 2017-04-27 2021-11-10 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置及びその調整方法
DE102019112313A1 (de) * 2019-05-10 2020-11-12 MRI-STaR - Magnetic Resonance Institute for Safety, Technology and Research GmbH Prüfkörper zur Analyse und Überwachung der Bildqualität von MR-Tomographen

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US5227727A (en) * 1991-06-20 1993-07-13 Kabushiki Kaisha Toshiba Radio-frequency magnetic field regulating apparatus for magnetic resonance imaging
JPH10170454A (ja) * 1996-12-09 1998-06-26 Yoshihisa Futagawa ドライファントム

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US4692704A (en) 1986-02-06 1987-09-08 Mayo Medical Resources Slice thickness and contiguity phantom for a magnetic resonance imaging scanner
US4719406A (en) * 1986-02-07 1988-01-12 General Electric Company Phantom for performance evaluation of a nuclear magnetic resonance scanner
FR2601459B1 (fr) 1986-07-08 1988-08-05 Thomson Cgr Fantome de machine de rmn et procede de mesure des caracteristiques d'un champ magnetique utilisant un tel fantome
US4818943A (en) 1986-12-05 1989-04-04 New York University Phantom for imaging systems
US4777442A (en) * 1987-08-12 1988-10-11 University Of Pittsburgh NMR quality assurance phantom
JPS6456043A (en) * 1987-08-27 1989-03-02 Nippon Oil Co Ltd Preparation of phantom for nmr diagnosis
US4888555A (en) * 1988-11-28 1989-12-19 The Board Of Regents, The University Of Texas Physiological phantom standard for NMR imaging and spectroscopy
US5285787A (en) * 1989-09-12 1994-02-15 Kabushiki Kaisha Toshiba Apparatus for calculating coordinate data of desired point in subject to be examined
US5036280A (en) 1990-02-13 1991-07-30 Mri Technologies Phantom for magnetic resonance imaging system
JPH04164436A (ja) * 1990-10-29 1992-06-10 Shimadzu Corp Ｍｒｉ用ファントム装置
US5233992A (en) * 1991-07-22 1993-08-10 Edison Biotechnology Center MRI method for high liver iron measurement using magnetic susceptibility induced field distortions
DE69316467T2 (de) * 1992-06-22 1998-07-30 Koninkl Philips Electronics Nv Phantom zum Simulieren der elektrischen Belastung in einem magnetischen Resonanzapparat
JPH06209916A (ja) * 1993-01-18 1994-08-02 Toshiba Medical Eng Co Ltd 磁気共鳴イメージング用ｒｆコイルユニット
JPH07136146A (ja) * 1993-06-24 1995-05-30 Toshiba Corp Ｍｒｉ装置
US6720766B2 (en) * 1995-04-14 2004-04-13 Kevin J. Parker Thin film phantoms and phantom systems
JPH09266892A (ja) * 1996-04-01 1997-10-14 Jeol Ltd Ｅｓｒイメージング用ファントム及びファントム固定具
US5799059A (en) 1996-07-30 1998-08-25 Stembridge; James H. Phantom and method for accuracy and repeatability testing of positional mechanisms of computer assisted tomography and magnetic resonance imaging systems
WO1999033397A1 (fr) * 1996-08-26 1999-07-08 Sumitomo Special Metals Co., Ltd. Generateur de champ magnetique pour irm
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US6304769B1 (en) 1997-10-16 2001-10-16 The Regents Of The University Of California Magnetically directable remote guidance systems, and methods of use thereof
US6018600A (en) 1998-04-15 2000-01-25 Arch Development Corp. Sampling and reconstruction of signals and images including MR images of multiple regions
US6255816B1 (en) 1998-10-20 2001-07-03 The Ohio State University Electromagnetic resonator devices and systems incorporating same, resonance and imaging methods
US5923235A (en) * 1998-10-23 1999-07-13 General Electric Company Shim assembly for a pole face of a magnet
DE19852324C2 (de) 1998-11-12 2000-11-16 Siemens Ag Phantom zur Messung von Schichtempfindlichtkeitsprofilen und der axialen Modulationstransferfunktion (MTF) an einem Röntgencomputertomographen
US6409515B1 (en) 1999-08-03 2002-06-25 General Electric Company Imaging system phantom
US6275129B1 (en) * 1999-10-26 2001-08-14 General Electric Company Shim assembly for a magnet and method for making
KR100416947B1 (ko) * 2000-11-07 2004-01-31 동보시스템 주식회사 자기 공명 영상장치의 고주파 코일
US6984982B2 (en) * 2002-07-29 2006-01-10 Ge Medical Systems Global Technology Company Llc Method and system for shimming an MRI magnet assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227727A (en) * 1991-06-20 1993-07-13 Kabushiki Kaisha Toshiba Radio-frequency magnetic field regulating apparatus for magnetic resonance imaging
JPH10170454A (ja) * 1996-12-09 1998-06-26 Yoshihisa Futagawa ドライファントム

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* Cited by examiner, † Cited by third party
Title
B.L. Beck et al.: Tissue-equivalent phantoms for high frequencies. In: Concepts Magn. Reson. B, 20B, 2004, S. 30-33. *
Q.X. Yang et al.: Phantom design in the presence of wave behavior of the radiofrequency field. In: Proc. Intl. Soc. Mag. Reson. Med., 10, 2002, Nr. 913. *

Also Published As

Publication number Publication date
JP2004305745A (ja) 2004-11-04
JP4680527B2 (ja) 2011-05-11
US20040196040A1 (en) 2004-10-07
US7081752B2 (en) 2006-07-25
DE102004017044A1 (de) 2004-10-21

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