DE69615092D1 - Ein System zur Bilderzeugung durch magnetische Resonanz - Google Patents

Ein System zur Bilderzeugung durch magnetische Resonanz

Info

Publication number
DE69615092D1
DE69615092D1 DE69615092T DE69615092T DE69615092D1 DE 69615092 D1 DE69615092 D1 DE 69615092D1 DE 69615092 T DE69615092 T DE 69615092T DE 69615092 T DE69615092 T DE 69615092T DE 69615092 D1 DE69615092 D1 DE 69615092D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
resonance imaging
imaging
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 - Fee Related
Application number
DE69615092T
Other languages
English (en)
Other versions
DE69615092T2 (de
Inventor
Michael A Morich
Labros S Petropoulos
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 Nuclear Medicine Inc
Original Assignee
Marconi Medical Systems Inc
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 Marconi Medical Systems Inc filed Critical Marconi Medical Systems Inc
Application granted granted Critical
Publication of DE69615092D1 publication Critical patent/DE69615092D1/de
Publication of DE69615092T2 publication Critical patent/DE69615092T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • A61B90/17—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3403—Needle locating or guiding means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
    • A61B2034/107—Visualisation of planned trajectories or target regions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/374—NMR or MRI
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • 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
    • G01R33/285—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR
DE69615092T 1995-06-12 1996-05-15 Ein System zur Bilderzeugung durch magnetische Resonanz Expired - Fee Related DE69615092T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/488,166 US5585724A (en) 1995-06-12 1995-06-12 Magnetic resonance gradient coils with interstitial gap

Publications (2)

Publication Number Publication Date
DE69615092D1 true DE69615092D1 (de) 2001-10-18
DE69615092T2 DE69615092T2 (de) 2002-06-06

Family

ID=23938586

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69615092T Expired - Fee Related DE69615092T2 (de) 1995-06-12 1996-05-15 Ein System zur Bilderzeugung durch magnetische Resonanz

Country Status (3)

Country Link
US (1) US5585724A (de)
EP (1) EP0749018B1 (de)
DE (1) DE69615092T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3702022B2 (ja) * 1996-02-09 2005-10-05 株式会社東芝 勾配磁場コイル
US5729141A (en) * 1996-03-19 1998-03-17 Intermagnetics General Corporation Split gradient coils for MRI system
JP2001515378A (ja) * 1997-02-20 2001-09-18 ピッカー メディカル システムズ リミテッド らせん走査ｃｔスキャナにおけるオンライン画像再構成
US5952830A (en) * 1997-12-22 1999-09-14 Picker International, Inc. Octapole magnetic resonance gradient coil system with elongate azimuthal gap
DE19818785A1 (de) * 1998-04-27 1999-11-04 Karlsruhe Forschzent Magnetresonanztomograph
JP3655783B2 (ja) * 1999-10-05 2005-06-02 ジーイー横河メディカルシステム株式会社 穿刺針支持具、ｒｆコイル、磁気共鳴信号測定装置および磁気共鳴撮像装置
JP3967505B2 (ja) * 1999-12-07 2007-08-29 日本電子株式会社 磁場補正コイルの設計方法
US6946836B2 (en) * 2000-04-25 2005-09-20 Kabushiki Kaisha Toshiba Magnetic resonance imaging involving movement of patient's couch
WO2002013709A1 (de) * 2000-08-01 2002-02-21 Oliver Wendt Einrichtung zur navigation und positionierung von medizinischen instrumenten in magnetresonanztomographen
EP1262788B1 (de) * 2001-05-30 2007-08-29 Siemens Aktiengesellschaft Magnetresonanzgerät mit einer verfahrbaren Gradientenspuleneinheit
DE10229489B4 (de) * 2002-07-01 2008-04-30 Siemens Ag Vorrichtung zum Einbringen einer Gradientenspuleneinheit
JP2004329726A (ja) * 2003-05-12 2004-11-25 Hitachi Ltd 手術装置
DE10335789B4 (de) * 2003-08-05 2007-01-04 Siemens Ag Magnetresonanzgerät mit einer Höhlung und mit einem in der Höhlung angeordneten Gradientenspulensystem
US7218106B2 (en) * 2003-12-04 2007-05-15 Kabushiki Kaisha Toshiba MRI with automatic contour-controlled separation between RF coil and object being imaged
WO2008122899A1 (en) 2007-04-04 2008-10-16 Koninklijke Philips Electronics N.V. Split gradient coil and pet/mri hybrid system using the same
WO2008140799A1 (en) * 2007-05-10 2008-11-20 Oni Medical Systems, Inc. Dedicated system for msk joint imaging
WO2011008969A1 (en) 2009-07-15 2011-01-20 Viewray Incorporated Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
WO2011036603A2 (en) * 2009-09-28 2011-03-31 Koninklijke Philips Electronics N.V. Mr imaging system with freely accessible examination volume
WO2011063342A1 (en) * 2009-11-20 2011-05-26 Viewray Incorporated Self shielded gradient coil
US8981779B2 (en) 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices
US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
CN103202695B (zh) * 2013-03-20 2015-02-18 江苏麦格思频仪器有限公司 核磁共振成像系统及其方法
US9842689B2 (en) 2014-12-09 2017-12-12 Synaptive Medical (Barbados) Inc. System and method for electromagnet coil construction and operation
EP3710112A1 (de) 2017-12-06 2020-09-23 ViewRay Technologies, Inc. Optimierung von multimodaler strahlentherapie
US11209509B2 (en) 2018-05-16 2021-12-28 Viewray Technologies, Inc. Resistive electromagnet systems and methods
US11686794B2 (en) * 2020-10-09 2023-06-27 Shanghai United Imaging Healthcare Co., Ltd. Coil assembly and control method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8500248D0 (en) * 1985-01-04 1985-02-13 Oxford Magnet Tech Solenoids
US4621236A (en) * 1985-02-11 1986-11-04 Field Effects, Inc. Cylindrical electromagnet for an NMR imaging system
US5045792A (en) * 1985-08-14 1991-09-03 Picker International, Inc. Split and non-circular magnetic resonance probes with optimum field uniformity
FR2588997B1 (fr) * 1985-10-18 1987-11-20 Thomson Cgr Procede de realisation d'une bobine de gradient et bobine obtenue par ce procede
EP0372096A1 (de) * 1988-11-28 1990-06-13 Siemens Aktiengesellschaft Gradientenspulen-System für einen Kernspintomographen
US5278504A (en) * 1989-06-16 1994-01-11 Picker International, Inc. Gradient coil with off center sweet spot for magnetic resonance imaging
US5296810A (en) * 1992-03-27 1994-03-22 Picker International, Inc. MRI self-shielded gradient coils
GB9009577D0 (en) * 1990-04-27 1990-06-20 Oxford Advanced Tech Magnetic field generating assembly
US5304933A (en) * 1991-08-01 1994-04-19 General Electric Company Surgical local gradient coil
US5349297A (en) * 1992-03-27 1994-09-20 Picker International Inc. Combined self shielded gradient coil and shimset
US5378989A (en) * 1993-11-02 1995-01-03 General Electric Company Open gradient coils for magnetic resonance imaging
US5365927A (en) * 1993-11-02 1994-11-22 General Electric Company Magnetic resonance imaging system with pointing device

Also Published As

Publication number Publication date
EP0749018B1 (de) 2001-09-12
DE69615092T2 (de) 2002-06-06
EP0749018A1 (de) 1996-12-18
US5585724A (en) 1996-12-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee