DE3484160D1 - Magnetisches kernresonanzgeraet. - Google Patents

Magnetisches kernresonanzgeraet.

Info

Publication number
DE3484160D1
DE3484160D1 DE8484305232T DE3484160T DE3484160D1 DE 3484160 D1 DE3484160 D1 DE 3484160D1 DE 8484305232 T DE8484305232 T DE 8484305232T DE 3484160 T DE3484160 T DE 3484160T DE 3484160 D1 DE3484160 D1 DE 3484160D1
Authority
DE
Germany
Prior art keywords
magnetic core
resonance device
core resonance
magnetic
resonance
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 - Lifetime
Application number
DE8484305232T
Other languages
English (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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26286760&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3484160(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB838321770A external-priority patent/GB8321770D0/en
Priority claimed from GB838321769A external-priority patent/GB8321769D0/en
Application filed by Picker International Ltd filed Critical Picker International Ltd
Application granted granted Critical
Publication of DE3484160D1 publication Critical patent/DE3484160D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01R33/28—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
    • G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
    • 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
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34069—Saddle coils
    • 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
    • G01R33/343—Constructional details, e.g. resonators, specially adapted to MR of slotted-tube or loop-gap type
    • 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
DE8484305232T 1983-08-12 1984-08-01 Magnetisches kernresonanzgeraet. Expired - Lifetime DE3484160D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838321770A GB8321770D0 (en) 1983-08-12 1983-08-12 Nuclear magnetic resonance apparatus
GB838321769A GB8321769D0 (en) 1983-08-12 1983-08-12 Nuclear magnetic resonance apparatus

Publications (1)

Publication Number Publication Date
DE3484160D1 true DE3484160D1 (de) 1991-04-04

Family

ID=26286760

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484305232T Expired - Lifetime DE3484160D1 (de) 1983-08-12 1984-08-01 Magnetisches kernresonanzgeraet.

Country Status (4)

Country Link
US (1) US5177443A (de)
EP (1) EP0135326B1 (de)
DE (1) DE3484160D1 (de)
GB (1) GB2145230B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274332A (en) * 1983-11-14 1993-12-28 General Electric Company Inductively coupled multi-section radio frequency field coil for NMR
DE3576736D1 (de) * 1984-12-28 1990-04-26 Siemens Ag Geraet zur bildgebung von gabelfoermigen koerperregionen mittels magnetischer resonanz.
US5045792A (en) * 1985-08-14 1991-09-03 Picker International, Inc. Split and non-circular magnetic resonance probes with optimum field uniformity
GB8615674D0 (en) * 1986-06-26 1986-07-30 Mansfield P Electrical coils
US4841249A (en) * 1986-10-28 1989-06-20 Siemens Aktiengesellschaft Truncated cone shaped surface resonator for nuclear magnetic resonance tomography
JPH0197443A (ja) * 1987-10-12 1989-04-14 Hitachi Ltd Ｎｍｒ用高周波コイル装置
GB8727611D0 (en) * 1987-11-25 1987-12-31 Gen Electric Co Plc Coil arrangements for magnetic resonance apparatus
US4897604A (en) * 1989-02-21 1990-01-30 The Regents Of The University Of California Method and apparatus for selective adjustment of RF coil size for magnetic resonance imaging
DE4221759C2 (de) * 1991-10-11 1997-11-20 Hitachi Medical Corp Empfangsspulenvorrichtung für ein Kernspintomographiegerät
US5542424A (en) * 1993-03-25 1996-08-06 Rochester Institute Of Technology Resonator for magnetic resonance imaging
US5457387A (en) * 1993-07-06 1995-10-10 Picker International, Inc. Magnetic resonance imager with removable element RF coil
US5939883A (en) * 1996-07-17 1999-08-17 Fonar Corporation Magnetic resonance imaging excitation and reception methods and apparatus
US6028429A (en) * 1996-07-17 2000-02-22 Fonar Corporation Composite MRI antenna with reduced stray capacitance
EP1514140A4 (de) * 2002-05-17 2006-01-25 Mr Instr Inc Hohlraumresonator für mr-systeme
NO20053093D0 (no) * 2005-06-23 2005-06-23 Radiumhospitalets Forskningsst A device for MRI soleniod coils and method for adjusting same.
US7659719B2 (en) * 2005-11-25 2010-02-09 Mr Instruments, Inc. Cavity resonator for magnetic resonance systems
DE102006050104B4 (de) * 2006-10-24 2010-03-18 Siemens Ag MR-Kopfspule
DE102015211719A1 (de) * 2015-06-24 2016-12-29 Siemens Healthcare Gmbh Zusammenschiebbare MR-Spulenvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439827A (en) * 1946-03-12 1948-04-20 Sterenbuch Nathan Coil
GB1580787A (en) * 1976-04-14 1980-12-03 Mansfield P Nuclear magnetic resonance apparatus and methods
GB2056086B (en) * 1979-08-10 1983-08-03 Emi Ltd Imaging systems
US4439733A (en) * 1980-08-29 1984-03-27 Technicare Corporation Distributed phase RF coil
EP0047065B1 (de) * 1980-08-29 1986-10-01 Technicare Corporation Phasenverteilende RF-Spule
US4398149A (en) * 1981-02-02 1983-08-09 Varian Associates, Inc. NMR Probe coil system
FI65365C (fi) * 1982-07-07 1984-05-10 Instrumentarium Oy Spolanordning

Also Published As

Publication number Publication date
EP0135326A3 (en) 1987-05-20
US5177443A (en) 1993-01-05
GB8419566D0 (en) 1984-09-05
GB2145230A (en) 1985-03-20
EP0135326A2 (de) 1985-03-27
GB2145230B (en) 1987-01-14
EP0135326B1 (de) 1991-02-27

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation