JP4350913B2 - 高周波コイル及び磁気共鳴イメージング装置 - Google Patents

高周波コイル及び磁気共鳴イメージング装置 Download PDF

Info

Publication number
JP4350913B2
JP4350913B2 JP2001021988A JP2001021988A JP4350913B2 JP 4350913 B2 JP4350913 B2 JP 4350913B2 JP 2001021988 A JP2001021988 A JP 2001021988A JP 2001021988 A JP2001021988 A JP 2001021988A JP 4350913 B2 JP4350913 B2 JP 4350913B2
Authority
JP
Japan
Prior art keywords
conductor
closed
conductors
magnetic field
frequency coil
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
JP2001021988A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002224082A5 (enExample
JP2002224082A (ja
Inventor
義明 宮内
静 永井
敦士 太田
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 JP2001021988A priority Critical patent/JP4350913B2/ja
Priority to US10/451,910 priority patent/US7382130B2/en
Priority to PCT/JP2001/011567 priority patent/WO2002051312A1/ja
Publication of JP2002224082A publication Critical patent/JP2002224082A/ja
Priority to US12/062,935 priority patent/US8134367B2/en
Publication of JP2002224082A5 publication Critical patent/JP2002224082A5/ja
Application granted granted Critical
Publication of JP4350913B2 publication Critical patent/JP4350913B2/ja
Priority to US13/231,285 priority patent/US8358132B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Magnetic Resonance Imaging Apparatus (AREA)
JP2001021988A 2000-12-27 2001-01-30 高周波コイル及び磁気共鳴イメージング装置 Expired - Fee Related JP4350913B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001021988A JP4350913B2 (ja) 2001-01-30 2001-01-30 高周波コイル及び磁気共鳴イメージング装置
US10/451,910 US7382130B2 (en) 2000-12-27 2001-12-27 Irradiation coil and magnetic resonance imaging apparatus comprising the same
PCT/JP2001/011567 WO2002051312A1 (fr) 2000-12-27 2001-12-27 Bobine d'irradiation et appareil d'imagerie par resonance magnetique
US12/062,935 US8134367B2 (en) 2000-12-27 2008-04-04 Irradiating coil and magnetic resonance imaging apparatus using the same
US13/231,285 US8358132B2 (en) 2000-12-27 2011-09-13 Irradiating coil and magnetic resonance imaging apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001021988A JP4350913B2 (ja) 2001-01-30 2001-01-30 高周波コイル及び磁気共鳴イメージング装置

Publications (3)

Publication Number Publication Date
JP2002224082A JP2002224082A (ja) 2002-08-13
JP2002224082A5 JP2002224082A5 (enExample) 2009-04-09
JP4350913B2 true JP4350913B2 (ja) 2009-10-28

Family

ID=18887459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001021988A Expired - Fee Related JP4350913B2 (ja) 2000-12-27 2001-01-30 高周波コイル及び磁気共鳴イメージング装置

Country Status (1)

Country Link
JP (1) JP4350913B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7432709B2 (en) * 2004-01-15 2008-10-07 Koninklijke Philips Electronics N.V. Planar RF resonator for open MRI systems
CN101297211A (zh) * 2005-10-28 2008-10-29 皇家飞利浦电子股份有限公司 用于进行mri的非圆柱形rf线圈
WO2008108048A1 (ja) * 2007-03-02 2008-09-12 Hitachi Medical Corporation Rfコイル及びそれを用いた磁気共鳴装置
JP5229857B2 (ja) * 2007-07-20 2013-07-03 株式会社日立メディコ 磁気共鳴イメージング装置用高周波コイル、および、それを用いた磁気共鳴イメージング装置
IL317979A (en) * 2019-02-22 2025-02-01 Promaxo Inc Simulated birdcage coil with variable tuning and its applications

Also Published As

Publication number Publication date
JP2002224082A (ja) 2002-08-13

Similar Documents

Publication Publication Date Title
US6831460B2 (en) Coil structure with tapered conductive members for improved homogeneity in MRI
Alsop et al. A spiral volume coil for improved RF field homogeneity at high static magnetic field strength
EP0301232B1 (en) Dual frequency NMR surface coil
US4506224A (en) High-frequency field system for nuclear magnetic resonance apparatus
US6600319B2 (en) Magnetic resonance imaging device
US4833409A (en) Apparatus for dynamically disabling an NMR field coil
US4320342A (en) Magnet coil arrangement for generating linear magnetic gradient fields
JP2004526547A (ja) Mr装置用の送信及び受信コイル
JP4307143B2 (ja) 傾斜コイルとrfコイルのカップリングを最小限にするための方法及び装置
JPH11244260A (ja) 検査領域に配置されたマイクロコイルを用いたmr方法及び装置
KR20150023024A (ko) 영구 자석들의 로테이팅 어레이를 사용하는 자기 공명 이미징을 위한 시스템 및 방법
US6538441B1 (en) RF coil for reduced electric field exposure for use in very high field magnetic resonance imaging
JP2010525859A (ja) Rf場を発生するための方法及びrf送信装置
US20020149367A1 (en) Switchable FOV coil assembly having end saddle coils
US6822448B2 (en) RF coil for very high field magnetic resonance imaging
JP4266580B2 (ja) 磁気共鳴イメージング用rfコイル
US5309104A (en) Asymmetric radio frequency coil for magnetic resonance imaging
US6487436B1 (en) Switchable field of view apparatus and method for magnetic resonance imaging
US8358132B2 (en) Irradiating coil and magnetic resonance imaging apparatus using the same
JP4350913B2 (ja) 高周波コイル及び磁気共鳴イメージング装置
US20150130466A1 (en) Tem resonator system especially for use in an mri system
US6538442B2 (en) MRI system having RF shielding gradient coil structure
CN217034223U (zh) 射频线圈、扫描装置及磁共振成像系统
JPH05264707A (ja) 磁気共鳴検査装置
JP4350889B2 (ja) 高周波コイル及び磁気共鳴イメージング装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060802

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060802

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090225

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20090225

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20090225

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20090319

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090401

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090525

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: 20090721

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: 20090723

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

Free format text: PAYMENT UNTIL: 20120731

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4350913

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

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

Free format text: PAYMENT UNTIL: 20120731

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20130731

Year of fee payment: 4

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

LAPS Cancellation because of no payment of annual fees