GB2161937B - Nuclear magnetic resonance imaging apparatus - Google Patents

Nuclear magnetic resonance imaging apparatus

Info

Publication number
GB2161937B
GB2161937B GB08517264A GB8517264A GB2161937B GB 2161937 B GB2161937 B GB 2161937B GB 08517264 A GB08517264 A GB 08517264A GB 8517264 A GB8517264 A GB 8517264A GB 2161937 B GB2161937 B GB 2161937B
Authority
GB
United Kingdom
Prior art keywords
magnetic resonance
imaging apparatus
nuclear magnetic
resonance imaging
nuclear
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.)
Expired
Application number
GB08517264A
Other versions
GB8517264D0 (en
GB2161937A (en
Inventor
David John Gilderdale
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.)
Philips Design Ltd
Original Assignee
Picker International Ltd
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 Picker International Ltd filed Critical Picker International Ltd
Publication of GB8517264D0 publication Critical patent/GB8517264D0/en
Publication of GB2161937A publication Critical patent/GB2161937A/en
Application granted granted Critical
Publication of GB2161937B publication Critical patent/GB2161937B/en
Expired legal-status Critical Current

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
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
    • A61B5/1135—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing by monitoring thoracic expansion
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Physiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Signal Processing (AREA)
  • Pulmonology (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB08517264A 1984-07-18 1985-07-08 Nuclear magnetic resonance imaging apparatus Expired GB2161937B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848418262A GB8418262D0 (en) 1984-07-18 1984-07-18 Nuclear magnetic resonance imaging apparatus

Publications (3)

Publication Number Publication Date
GB8517264D0 GB8517264D0 (en) 1985-08-14
GB2161937A GB2161937A (en) 1986-01-22
GB2161937B true GB2161937B (en) 1988-03-02

Family

ID=10564046

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848418262A Pending GB8418262D0 (en) 1984-07-18 1984-07-18 Nuclear magnetic resonance imaging apparatus
GB08517264A Expired GB2161937B (en) 1984-07-18 1985-07-08 Nuclear magnetic resonance imaging apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848418262A Pending GB8418262D0 (en) 1984-07-18 1984-07-18 Nuclear magnetic resonance imaging apparatus

Country Status (1)

Country Link
GB (2) GB8418262D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8417290D0 (en) * 1984-07-06 1984-08-08 Picker Int Ltd Nuclear magnetic resonance method
DE3938759A1 (en) * 1989-11-23 1991-05-29 Philips Patentverwaltung NON-INVASIVE OXIMETER ARRANGEMENT
US5074309A (en) * 1989-12-04 1991-12-24 Sperry Marine Inc. Device for monitoring cardiovascular signals and fiber optic coupler phonocardio sensor therefor
US5273041A (en) * 1992-04-30 1993-12-28 General Electric Company Fiber optic photoplethysmograph for a magnetic resonance imaging system
US6188220B1 (en) * 1999-05-04 2001-02-13 General Electric Company Method and apparatus for measuring vibration of a magnetic resonance imaging system
US20060004281A1 (en) * 2004-06-30 2006-01-05 Michael Saracen Vest-based respiration monitoring system
DE102004045495B4 (en) * 2004-09-20 2015-06-18 Siemens Aktiengesellschaft Method and system for generating images of an organ
EP1709905A1 (en) * 2005-04-06 2006-10-11 Deutsches Krebsforschungszentrum Stiftung des öffentlichen Rechts Belt system for measuring respiration dependent girth change during magnetic resonance imaging
DE102006061784A1 (en) * 2006-12-21 2008-06-26 Rheinisch-Westfälisch Technische Hochschule Aachen Method and device for operating a magnetic resonance examination device

Also Published As

Publication number Publication date
GB8517264D0 (en) 1985-08-14
GB8418262D0 (en) 1984-08-22
GB2161937A (en) 1986-01-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee