ATE32791T1 - Entfernung parasitaerer signale bei magnetischer kernresonanz. - Google Patents

Entfernung parasitaerer signale bei magnetischer kernresonanz.

Info

Publication number
ATE32791T1
ATE32791T1 AT84307728T AT84307728T ATE32791T1 AT E32791 T1 ATE32791 T1 AT E32791T1 AT 84307728 T AT84307728 T AT 84307728T AT 84307728 T AT84307728 T AT 84307728T AT E32791 T1 ATE32791 T1 AT E32791T1
Authority
AT
Austria
Prior art keywords
line
artifact
removal
magnetic resonance
nuclear magnetic
Prior art date
Application number
AT84307728T
Other languages
English (en)
Inventor
David Moses Kramer
Hong Ning Yeung
Original Assignee
Technicare Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24197519&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE32791(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Technicare Corp filed Critical Technicare Corp
Application granted granted Critical
Publication of ATE32791T1 publication Critical patent/ATE32791T1/de

Links

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

Landscapes

  • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Soft Magnetic Materials (AREA)
AT84307728T 1983-11-09 1984-11-08 Entfernung parasitaerer signale bei magnetischer kernresonanz. ATE32791T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/550,522 US4616182A (en) 1983-11-09 1983-11-09 Nuclear magnetic resonance signal artifact removal
EP84307728A EP0145277B1 (de) 1983-11-09 1984-11-08 Entfernung parasitärer Signale bei magnetischer Kernresonanz

Publications (1)

Publication Number Publication Date
ATE32791T1 true ATE32791T1 (de) 1988-03-15

Family

ID=24197519

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84307728T ATE32791T1 (de) 1983-11-09 1984-11-08 Entfernung parasitaerer signale bei magnetischer kernresonanz.

Country Status (4)

Country Link
US (1) US4616182A (de)
EP (1) EP0145277B1 (de)
AT (1) ATE32791T1 (de)
DE (1) DE3469602D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938637A (ja) * 1982-08-28 1984-03-02 Toshiba Corp 核磁気共鳴装置
US4612504A (en) 1984-11-21 1986-09-16 General Electric Company Method for removing the effects of baseline error components in NMR imaging applications
DE3514542A1 (de) * 1985-04-22 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Verfahren und vorrichtung zur zusammensetzung eines mr-bildes aus atemgesteuert aufgenommenen bilddaten
US4721911A (en) * 1985-07-26 1988-01-26 Siemens Aktiengesellschaft Nuclear magnetic resonance tomography apparatus
NL8601845A (nl) * 1986-07-15 1988-02-01 Philips Nv Mri-werkwijze en inrichting voor het reduceren van artefacten door middel van fasecodering.
JPS63109847A (ja) * 1986-10-29 1988-05-14 株式会社日立メデイコ 核磁気共鳴映像装置
US4733185A (en) * 1987-06-01 1988-03-22 General Electric Company Methods for localization in NMR spectroscopy
US4792758A (en) * 1987-11-19 1988-12-20 Picker International, Inc. Steady-state echo magnetic resonance imaging
US4862081A (en) * 1988-11-23 1989-08-29 Picker International, Inc. DC artifact removal in magnetic resonance imaging
DE4014220A1 (de) * 1989-05-16 1990-11-22 Siemens Ag Entfaltung der uebertragungsfunktion bei der bilderzeugung mittels kernmagnetischer resonanz
DE4005675C2 (de) * 1990-02-22 1995-06-29 Siemens Ag Verfahren zur Unterdrückung von Artefakten bei der Bilderzeugung mittels kernmagnetischer Resonanz
JP3181285B2 (ja) 1990-10-16 2001-07-03 株式会社東芝 Ｍｒｉのデータ収集方法
US5245283A (en) * 1991-08-07 1993-09-14 Picker International, Inc. Technique for shifting out-of-slice artifacts to the edge of the field of view
JP3183915B2 (ja) 1991-09-03 2001-07-09 株式会社東芝 磁気共鳴イメージング装置
DE4205780C2 (de) * 1992-02-26 1995-02-16 Spectrospin Ag Verfahren zur Erzeugung von NMR-Signalen mit kohärentem Phasenprofil durch Kombination von Hochfrequenzimpulsen mit inkohärentem Phasenprofil
JPH11501119A (ja) 1995-02-24 1999-01-26 ブリティッシュ・テクノロジー・グループ・リミテッド サンプルの核四極子共鳴テスト方法および装置、および核四極子共鳴を励起するためのパルス・シーケンス
US5541513A (en) * 1995-04-14 1996-07-30 General Electric Company MRI center point artifact elimination using realtime receiver phase control
WO2014008315A1 (en) * 2012-07-06 2014-01-09 Acuitas Medical Limited Optimised pulse sequences for evaluating spatial frequency content of a selectively excited internal volume
JP6234214B2 (ja) * 2013-12-24 2017-11-22 株式会社日立製作所 磁気共鳴イメージング装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756934R (fr) * 1969-10-15 1971-03-16 Commissariat Energie Atomique Nouveau procede de polarisation dynamique des noyaux atomiques d'un solvant, notamment d'un solvant hydrogene, et magnetometres pourla mesure de l'intensite des champs magnetiques faibles notamment du champ magnetique terrestre, mettant en oeuvre ce procede
DD137281A1 (de) * 1978-06-19 1979-08-22 Rudolf Mueller Verfahren und anordnung zur m5ssung der hochaufloesenden magnetischen kernresonanz
US4318043A (en) * 1978-07-20 1982-03-02 The Regents Of The University Of California Method and apparatus for rapid NMR imaging of nuclear densities within an object
US4301410A (en) * 1979-09-28 1981-11-17 International Business Machines Corporation Spin imaging in solids using synchronously rotating field gradients and samples

Also Published As

Publication number Publication date
EP0145277A1 (de) 1985-06-19
EP0145277B1 (de) 1988-03-02
US4616182A (en) 1986-10-07
DE3469602D1 (en) 1988-04-07

Similar Documents

Publication Publication Date Title
ATE32791T1 (de) Entfernung parasitaerer signale bei magnetischer kernresonanz.
EP1103820A1 (de) MRI-Gerät
EP0201277A3 (de) Apparat und Verfahren zur Bilderzeugung mittels magnetischer Resonanz
EP0949512A3 (de) Verfahren zum Homogenisieren eines Magnetfeldes
ATE40471T1 (de) Bilderzeugung mittels magnetischer kernresonanz mit verminderter empfindlichkeit gegenueber bewegungen.
ATE33427T1 (de) Darstellung des komplexen quotienten magnetischer kernresonanz.
DE3764652D1 (de) Ringantenne fuer ein bilderzeugungsgeraet mittels magnetischer kernresonanz.
JPH11128205A (ja) 磁気共鳴による拡散検出方法
FI844472L (fi) Nmr-foerestaellningssystem, i vilket anvaends faeltkompensation.
DE3773162D1 (de) Gradientenspulen-anordnung fuer einen apparat zur bilderzeugung mittels magnetischer resonanz.
Gowland et al. A simple method for the restoration of signal polarity in multi‐image inversion recovery sequences for measuring T1
KR900003170B1 (ko) Nmr영상 형성장치 및 nmr영상의 오차 제거 방법
KR20010066860A (ko) 구배 자장 인가 방법 및 장치, 및 자기 공명 촬상 장치
WO1987005201A1 (fr) Procede d'excitation selective en imagerie par resonnance magnetique nucleaire
JPH09510898A (ja) 核スピントモグラフィ装置用のパルスシーケンス
EP0783113A3 (de) Bilderzeugungssystem mittels magnetischer Resonanz
Heid Robust EPI phase correction
DE3685259D1 (de) Verfahren zur bilderzeugung mittels magnetischer resonanz.
EP0390086A3 (de) Verfahren zur Bilderzeugung mit magnetischer Resonanz
US6853188B2 (en) Method and apparatus for removing specific stimulated echoes in simultaneous image refocusing
AU546189B2 (en) Recording nuclear magnetic resonance
JPH04246327A (ja) ダイナミックｍｒイメージング法
JPH10305021A (ja) 核スピントモグラフィ装置用パルスシーケンス生成方法及び核スピントモグラフィ装置
US5412321A (en) Magnetic resonance imaging method and apparatus
Farzaneh High-speed magnetic resonance imaging on a commercial imager.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee