JP2002263081A5 - - Google Patents

Download PDF

Info

Publication number
JP2002263081A5
JP2002263081A5 JP2001388955A JP2001388955A JP2002263081A5 JP 2002263081 A5 JP2002263081 A5 JP 2002263081A5 JP 2001388955 A JP2001388955 A JP 2001388955A JP 2001388955 A JP2001388955 A JP 2001388955A JP 2002263081 A5 JP2002263081 A5 JP 2002263081A5
Authority
JP
Japan
Prior art keywords
magnetic field
shield
main magnet
sets
gradient
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.)
Granted
Application number
JP2001388955A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002263081A (ja
JP4104328B2 (ja
Filing date
Publication date
Priority claimed from US09/746,931 external-priority patent/US6522144B2/en
Application filed filed Critical
Publication of JP2002263081A publication Critical patent/JP2002263081A/ja
Publication of JP2002263081A5 publication Critical patent/JP2002263081A5/ja
Application granted granted Critical
Publication of JP4104328B2 publication Critical patent/JP4104328B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2001388955A 2000-12-22 2001-12-21 オープンｍｒｉシステム用ｒｆシールド方法および装置 Expired - Fee Related JP4104328B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/746,931 US6522144B2 (en) 2000-12-22 2000-12-22 RF shielding method and apparatus for an open MRI system
US09/746931 2000-12-22

Publications (3)

Publication Number Publication Date
JP2002263081A JP2002263081A (ja) 2002-09-17
JP2002263081A5 true JP2002263081A5 (https=) 2005-07-21
JP4104328B2 JP4104328B2 (ja) 2008-06-18

Family

ID=25002955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001388955A Expired - Fee Related JP4104328B2 (ja) 2000-12-22 2001-12-21 オープンｍｒｉシステム用ｒｆシールド方法および装置

Country Status (3)

Country Link
US (1) US6522144B2 (https=)
EP (1) EP1217383A3 (https=)
JP (1) JP4104328B2 (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6840995B2 (en) * 1999-07-14 2005-01-11 Calcitec, Inc. Process for producing fast-setting, bioresorbable calcium phosphate cements
US6788060B1 (en) 2003-05-28 2004-09-07 Ge Medical Systems Global Technology Co., Inc. Imaging system with homogeneous magnetic field
US7053617B2 (en) * 2003-10-01 2006-05-30 General Electric Co. Integrated electronic RF shielding apparatus for an MRI magnet
US7304476B2 (en) * 2003-10-29 2007-12-04 Koninklijke Philips Electronics N.V. Shielded treatment room and device suitable for recording images on the basis of magnetic resonance
US7088100B2 (en) * 2004-03-11 2006-08-08 General Electric Company Method and apparatus to generate a circular polarized RF field independent of subject asymmetry
JP4639763B2 (ja) * 2004-11-12 2011-02-23 三菱電機株式会社 磁気共鳴イメージング装置
JP2008523942A (ja) * 2004-12-21 2008-07-10 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 複数のコントラストを有する磁気共鳴イメージング
DE102006005285A1 (de) * 2006-02-06 2007-08-16 Siemens Ag Magnetresonanzeinrichtung sowie Verfahren zur Überwachung einer Magnetresonanzeinrichtung
US20080233426A1 (en) * 2007-03-21 2008-09-25 Gaviglia John J Steel sheeting for use in room size radio frequency shielded enclosures and method for making improved steel sheeting
US8212564B2 (en) * 2007-06-14 2012-07-03 Hitachi Medical Corporation Open magnetic resonance imaging apparatus
US9056200B2 (en) 2008-06-06 2015-06-16 Bayer Medical Care Inc. Apparatus and methods for delivery of fluid injection boluses to patients and handling harmful fluids
JP5754010B2 (ja) * 2011-06-20 2015-07-22 学校法人金沢工業大学 軽量永久磁石型磁気共鳴分析装置
MX2014004533A (es) 2011-10-18 2014-08-01 Koninkl Philips Nv Ensamble de bobina de imagenes de resonancia magnetica (mri) con protector de radiofrecuencia conmutable entre un estado bloqueado y un estado transparente.
US9261574B2 (en) 2012-05-02 2016-02-16 General Electric Company Structured RF coil assembly for MRI scanner
US9889288B2 (en) 2012-06-07 2018-02-13 Bayer Healthcare Llc Tubing connectors
US9125976B2 (en) 2012-06-07 2015-09-08 Bayer Medical Care Inc. Shield adapters
US9393441B2 (en) * 2012-06-07 2016-07-19 Bayer Healthcare Llc Radiopharmaceutical delivery and tube management system
US9498174B2 (en) 2012-12-27 2016-11-22 General Electric Company Whole body RF coil for PET-MR system
US9116215B2 (en) 2013-01-09 2015-08-25 General Electric Company Composite RF shield and method of making same
JP2016034449A (ja) * 2014-08-04 2016-03-17 株式会社東芝 磁気共鳴イメージング装置
BR112017014994B1 (pt) 2015-02-17 2023-12-19 Eli Lilly And Company Composições em pó nasal para tratamento de hipoglicemia, seu uso e seus métodos de preparação, e aplicador nasal
WO2020155137A1 (en) * 2019-02-02 2020-08-06 Shanghai United Imaging Healthcare Co., Ltd. Radiation therapy system and method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8701947A (nl) * 1987-08-19 1989-03-16 Philips Nv Magnetisch resonantie apparaat met geluidsarme gradientspoel.
US5227728A (en) * 1991-11-01 1993-07-13 The Regents Of The University Of California Gradient driver control in magnetic resonance imaging
US5539314A (en) * 1994-12-01 1996-07-23 The Regents Of The University Of California RF shield for four-post vertical field magnet used for MRI
JPH0928688A (ja) * 1995-07-14 1997-02-04 Ge Yokogawa Medical Syst Ltd Ｍｒ装置及びｍｒ装置の製造方法
JP3747981B2 (ja) * 1997-06-27 2006-02-22 株式会社日立メディコ 磁気共鳴イメージング装置
WO1999015914A1 (en) * 1997-09-25 1999-04-01 Odin Technologies Ltd. Magnetic apparatus for mri
US6144204A (en) * 1997-11-28 2000-11-07 Picker Nordstar Oy Gradient coils for magnetic resonance meeting
US5952830A (en) * 1997-12-22 1999-09-14 Picker International, Inc. Octapole magnetic resonance gradient coil system with elongate azimuthal gap
US6078177A (en) * 1998-01-05 2000-06-20 Picker International, Inc. Flared gradient coil set with a finite shield current
RU98106937A (ru) * 1998-04-14 2000-02-10 Пикер Нордстар ОЮ (FI) Устройство для формирования изображения с помощью магнитного резонанса
US6249121B1 (en) * 1999-05-17 2001-06-19 General Electric Company RF body coil
US6320385B1 (en) * 1999-09-17 2001-11-20 Picker International, Inc. Multi-channel balun for magnetic resonance apparatus
US6278275B1 (en) * 1999-10-18 2001-08-21 Picker International, Inc. Gradient coil set with non-zero first gradient field vector derivative
US6262576B1 (en) * 1999-11-16 2001-07-17 Picker International, Inc. Phased array planar gradient coil set for MRI systems
US6278276B1 (en) * 1999-11-16 2001-08-21 Picker International, Inc. Phased array gradient coil set with an off center gradient field sweet spot

Similar Documents

Publication Publication Date Title
JP2002263081A5 (https=)
US5304932A (en) Apparatus and method for shielding MRI RF antennae from the effect of surrounding objects
JP2001517510A (ja) Ｍｒｉのための磁気装置
EP0919825A3 (en) Magnetic resonance imaging
JPH0816745A (ja) Ｉｃカードシステム
JPH08238230A (ja) 磁気共鳴装置および方法
JPH04297231A (ja) 二重周波数ｎｍｒコイル対
US7307616B2 (en) Sensor for coordinate input device
US6900637B1 (en) Phased array coil with center shifted sensitivity
JP3110115B2 (ja) 磁気共鳴イメージング装置
CN113842132A (zh) 一种医疗器械
CN1641373B (zh) 磁场发生器及带有该磁场发生器的磁共振设备
JP3487720B2 (ja) アンテナ装置
US5539314A (en) RF shield for four-post vertical field magnet used for MRI
JPH04295337A (ja) 磁気共鳴イメージング装置
CN216569932U (zh) 一种医疗器械
JP2001144387A (ja) 配線板のシールド配線構造
JPH0576507A (ja) 傾斜磁場コイルおよびその製造方法
JPH119572A5 (https=)
JPH11253418A5 (ja) 磁気共鳴イメージング装置のｒｆコイル及びそのｒｆコイルを備えた磁気共鳴イメージング装置
CN223502955U (zh) 摄像头模组及电子设备
JP7817052B2 (ja) 周期構造体および磁気共鳴イメージング装置
CN112162225B (zh) 一种单边磁体结构
JPH0421231Y2 (https=)
JPS6040592A (ja) 磁気バブルメモリ装置