JP4179578B2 - 開放型超電導磁石とそれを用いた磁気共鳴イメージング装置 - Google Patents

開放型超電導磁石とそれを用いた磁気共鳴イメージング装置 Download PDF

Info

Publication number
JP4179578B2
JP4179578B2 JP2000036200A JP2000036200A JP4179578B2 JP 4179578 B2 JP4179578 B2 JP 4179578B2 JP 2000036200 A JP2000036200 A JP 2000036200A JP 2000036200 A JP2000036200 A JP 2000036200A JP 4179578 B2 JP4179578 B2 JP 4179578B2
Authority
JP
Japan
Prior art keywords
magnetic field
superconducting
open
coil
ferromagnetic
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
JP2000036200A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001224571A (ja
JP2001224571A5 (enExample
Inventor
弘隆 竹島
孝男 本名
健二 榊原
芳英 和田山
角川  滋
克典 東
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.)
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Medical 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
Application filed by Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to JP2000036200A priority Critical patent/JP4179578B2/ja
Publication of JP2001224571A publication Critical patent/JP2001224571A/ja
Publication of JP2001224571A5 publication Critical patent/JP2001224571A5/ja
Application granted granted Critical
Publication of JP4179578B2 publication Critical patent/JP4179578B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Magnetic Resonance Imaging Apparatus (AREA)
JP2000036200A 2000-02-15 2000-02-15 開放型超電導磁石とそれを用いた磁気共鳴イメージング装置 Expired - Fee Related JP4179578B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000036200A JP4179578B2 (ja) 2000-02-15 2000-02-15 開放型超電導磁石とそれを用いた磁気共鳴イメージング装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000036200A JP4179578B2 (ja) 2000-02-15 2000-02-15 開放型超電導磁石とそれを用いた磁気共鳴イメージング装置

Publications (3)

Publication Number Publication Date
JP2001224571A JP2001224571A (ja) 2001-08-21
JP2001224571A5 JP2001224571A5 (enExample) 2006-07-06
JP4179578B2 true JP4179578B2 (ja) 2008-11-12

Family

ID=18560276

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000036200A Expired - Fee Related JP4179578B2 (ja) 2000-02-15 2000-02-15 開放型超電導磁石とそれを用いた磁気共鳴イメージング装置

Country Status (1)

Country Link
JP (1) JP4179578B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105393133A (zh) * 2013-06-21 2016-03-09 皇家飞利浦有限公司 用于结合的磁共振成像和辐射治疗的低温恒温器和系统

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4627408B2 (ja) * 2004-04-19 2011-02-09 株式会社日立メディコ 磁気共鳴イメージング装置
JP4641727B2 (ja) * 2004-01-23 2011-03-02 株式会社日立メディコ 磁気共鳴イメージング装置
JP3587844B1 (ja) 2003-11-17 2004-11-10 株式会社日立製作所 超伝導磁石装置及びそれを用いた磁気共鳴イメージング装置
JP4541092B2 (ja) * 2004-10-04 2010-09-08 株式会社日立製作所 磁気共鳴イメージング装置の超伝導磁石装置
JP4630196B2 (ja) * 2006-01-12 2011-02-09 株式会社日立製作所 磁気共鳴イメージング装置
JP4703408B2 (ja) * 2006-01-13 2011-06-15 三菱電機株式会社 超電導電磁石装置
JP4856430B2 (ja) * 2006-01-23 2012-01-18 株式会社日立製作所 電磁石装置
JP4908960B2 (ja) 2006-07-27 2012-04-04 株式会社日立製作所 超伝導磁石装置および磁気共鳴イメージング装置
JP4934067B2 (ja) 2008-01-24 2012-05-16 株式会社日立製作所 超伝導磁石装置および磁気共鳴イメージング装置
US8604793B2 (en) * 2010-10-21 2013-12-10 General Electric Company Superconducting magnet having cold iron shimming capability
DE102012106211A1 (de) * 2012-07-11 2014-01-16 Karlsruher Institut für Technologie Supraleitende Magnetanordnung
JP6001499B2 (ja) 2013-05-16 2016-10-05 株式会社日立製作所 磁気共鳴イメージング装置
CN109599248B (zh) * 2018-11-30 2021-05-25 中国工程物理研究院应用电子学研究所 一种1.8t紧凑型低功耗强场直流磁体
CN109859924A (zh) * 2019-04-04 2019-06-07 苏州八匹马超导科技有限公司 一种磁共振磁体结构及线圈、补偿磁极尺寸优化算法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105393133A (zh) * 2013-06-21 2016-03-09 皇家飞利浦有限公司 用于结合的磁共振成像和辐射治疗的低温恒温器和系统
CN105393133B (zh) * 2013-06-21 2019-06-04 皇家飞利浦有限公司 用于结合的磁共振成像和辐射治疗的低温恒温器和系统

Also Published As

Publication number Publication date
JP2001224571A (ja) 2001-08-21

Similar Documents

Publication Publication Date Title
JP4179578B2 (ja) 開放型超電導磁石とそれを用いた磁気共鳴イメージング装置
US9269484B2 (en) Magnet assembly
JP5534713B2 (ja) 超電導マグネット
US7567083B2 (en) Superconductive magnetic apparatus for magnetic resonance imaging unit
JPH09190913A (ja) 超電導磁石装置及びそれを用いた磁気共鳴イメージング装置
US5574417A (en) Open MRI magnet with homogeneous imaging volume
JPH10225447A (ja) 平面型磁気共鳴イメージング・マグネット
US5179338A (en) Refrigerated superconducting MR magnet with integrated gradient coils
US7928730B2 (en) Electromagnet apparatus generating a homogeneous magnetic field with ferromagnetic members arranged inside cryogenic vessels
JP4247948B2 (ja) 磁石装置及びmri装置
EP0770883A1 (en) Cryogenic-fluid-cooled open MRI magnet with uniform magnetic field
JPH09120912A (ja) 開構造伝導冷却型磁気共鳴作像マグネット
JPH07106153A (ja) C字形超伝導磁石
US6856223B1 (en) Open-type magnet device for MRI
GB2315127A (en) Open-access MRI magnet with improved homogeneity
US20050146407A1 (en) Superconducting magnet apparatus and magnetic resonance imaging apparatus using the same
US7049913B2 (en) Superconductivity magnet apparatus
JP3737636B2 (ja) 超電導磁石装置
US6504461B2 (en) Open magnet with recessed field shaping coils
JP3699789B2 (ja) 超電導磁石装置
JP4648722B2 (ja) 磁気共鳴イメージング装置
JP4866213B2 (ja) 超電導磁石装置および磁気共鳴イメージング装置
JPH07250819A (ja) 受動的にシムを施された側方接近画像形成磁石
JPH07106155A (ja) C字形超伝導磁石
JP2011200348A (ja) 超電導磁石装置及び磁気共鳴イメージング装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060512

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060512

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080212

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080218

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080404

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080821

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080825

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110905

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110905

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120905

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120905

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130905

Year of fee payment: 5

LAPS Cancellation because of no payment of annual fees