JP2018511420A5 - - Google Patents

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JP2018511420A5
JP2018511420A5 JP2017553350A JP2017553350A JP2018511420A5 JP 2018511420 A5 JP2018511420 A5 JP 2018511420A5 JP 2017553350 A JP2017553350 A JP 2017553350A JP 2017553350 A JP2017553350 A JP 2017553350A JP 2018511420 A5 JP2018511420 A5 JP 2018511420A5
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power
linear amplifier
gradient coil
output
voltage
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JP2017553350A
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Japanese (ja)
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JP2018511420A (ja
JP6800164B2 (ja
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Priority claimed from PCT/US2016/027215 external-priority patent/WO2016168249A1/en
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JP2017553350A 2015-04-13 2016-04-13 磁気コイル電力方法および装置 Active JP6800164B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562146609P 2015-04-13 2015-04-13
US62/146,609 2015-04-13
PCT/US2016/027215 WO2016168249A1 (en) 2015-04-13 2016-04-13 Magnetic coil power methods and apparatus

Publications (3)

Publication Number Publication Date
JP2018511420A JP2018511420A (ja) 2018-04-26
JP2018511420A5 true JP2018511420A5 (enExample) 2019-05-16
JP6800164B2 JP6800164B2 (ja) 2020-12-16

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JP2017553350A Active JP6800164B2 (ja) 2015-04-13 2016-04-13 磁気コイル電力方法および装置

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US (5) US10281540B2 (enExample)
EP (2) EP4462222A3 (enExample)
JP (1) JP6800164B2 (enExample)
KR (1) KR20180019518A (enExample)
CN (1) CN107533118B (enExample)
AU (1) AU2016250077B2 (enExample)
BR (1) BR112017021999A2 (enExample)
CA (1) CA2982449A1 (enExample)
HK (1) HK1251301A1 (enExample)
IL (1) IL254956A0 (enExample)
MX (1) MX378464B (enExample)
TW (1) TWI710782B (enExample)
WO (1) WO2016168249A1 (enExample)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2015311725A1 (en) 2014-09-05 2017-04-20 Hyperfine Research, Inc. Thermal management methods and apparatus
US10813564B2 (en) 2014-11-11 2020-10-27 Hyperfine Research, Inc. Low field magnetic resonance methods and apparatus
CN106999092B (zh) 2014-11-11 2022-03-15 海珀菲纳股份有限公司 用于低场磁共振的脉冲序列
HK1251301A1 (zh) 2015-04-13 2019-01-25 Hyperfine, Inc. 磁线圈供电方法和装置
HK1252007A1 (zh) 2015-05-12 2019-05-10 Hyperfine, Inc. 射频线圈方法和装置
JP6927996B2 (ja) 2016-03-22 2021-09-01 ハイパーファイン,インコーポレイテッド 磁場シミングのための方法および装置
TWI667487B (zh) 2016-09-29 2019-08-01 美商超精細研究股份有限公司 射頻線圈調諧方法及裝置
EP3309811B1 (de) * 2016-10-11 2018-12-19 Siemens Aktiengesellschaft Schütz mit einer elektronischen spulenansteuerung
CA3043038A1 (en) 2016-11-22 2018-05-31 Hyperfine Research, Inc. Systems and methods for automated detection in magnetic resonance images
US10585153B2 (en) 2016-11-22 2020-03-10 Hyperfine Research, Inc. Rotatable magnet methods and apparatus for a magnetic resonance imaging system
US10539637B2 (en) 2016-11-22 2020-01-21 Hyperfine Research, Inc. Portable magnetic resonance imaging methods and apparatus
US10627464B2 (en) 2016-11-22 2020-04-21 Hyperfine Research, Inc. Low-field magnetic resonance imaging methods and apparatus
JP7154957B2 (ja) * 2017-11-08 2022-10-18 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置および電力供給方法
US10761156B2 (en) 2018-04-20 2020-09-01 Hyperfine Research, Inc. Deployable guard for portable magnetic resonance imaging devices
MX2020012542A (es) 2018-05-21 2021-02-16 Hyperfine Res Inc Cadena de señal de bobina de radiofrecuencia para un sistema de resonancia magnética (mri) de campo bajo.
AU2019274404A1 (en) 2018-05-21 2020-11-12 Hyperfine Operations, Inc. B0 magnet methods and apparatus for a magnetic resonance imaging system
TW202015621A (zh) 2018-07-19 2020-05-01 美商超精細研究股份有限公司 在磁共振成像中患者定位之方法及設備
US11300645B2 (en) 2018-07-30 2022-04-12 Hyperfine Operations, Inc. Deep learning techniques for magnetic resonance image reconstruction
TW202012951A (zh) 2018-07-31 2020-04-01 美商超精細研究股份有限公司 低場漫射加權成像
CA3107776A1 (en) 2018-08-15 2020-02-20 Hyperfine Research, Inc. Deep learning techniques for suppressing artefacts in magnetic resonance images
AU2019405138A1 (en) 2018-12-19 2021-06-17 Hyperfine Operations, Inc. System and methods for grounding patients during magnetic resonance imaging
BR112021012557A2 (pt) 2018-12-28 2021-09-14 Hyperfine, Inc. Correção de histerese em formação de imagem por ressonância magnética
KR102258269B1 (ko) * 2019-03-07 2021-05-31 주식회사 지에스인스텍 자기공명영상장치의 무선주파수 전력증폭장치
WO2020185820A1 (en) 2019-03-12 2020-09-17 Hyperfine Research, Inc. Systems and methods for magnetic resonance imaging of infants
MX2021011124A (es) 2019-03-14 2021-10-14 Hyperfine Inc Tecnicas de aprendizaje profundo para generar imagenes por resonancia magnetica a partir de datos de frecuencia espacial.
US11740307B2 (en) 2019-04-26 2023-08-29 Hyperfine Operations, Inc. Techniques for dynamic control of a magnetic resonance imaging system
AU2020270393A1 (en) 2019-05-07 2021-11-25 Hyperfine Operations, Inc. Systems, devices, and methods for magnetic resonance imaging of infants
EP4014057A1 (en) 2019-08-15 2022-06-22 Hyperfine Operations, Inc. Eddy current mitigation systems and methods
WO2021071938A2 (en) 2019-10-08 2021-04-15 Hyperfine Research, Inc. System and methods for detecting electromagnetic interference in patients during magnetic resonance imaging
US20210124001A1 (en) 2019-10-25 2021-04-29 Hyperfine Research, Inc. Systems and methods for detecting patient motion during magnetic resonance imaging
US20210123998A1 (en) 2019-10-25 2021-04-29 Hyperfine Research, Inc. Artefact reduction in magnetic resonance imaging
WO2021108216A1 (en) 2019-11-27 2021-06-03 Hyperfine Research, Inc. Techniques for noise suppression in an environment of a magnetic resonance imaging system
WO2021119079A1 (en) 2019-12-10 2021-06-17 Hyperfine Research, Inc. Permanent magnet assembly for magnetic resonance imaging with non-ferromagnetic frame
USD932014S1 (en) 2019-12-10 2021-09-28 Hyperfine, Inc. Frame for magnets in magnetic resonance imaging
US11415651B2 (en) * 2019-12-10 2022-08-16 Hyperfine Operations, Inc. Low noise gradient amplification components for MR systems
USD912822S1 (en) 2019-12-10 2021-03-09 Hyperfine Research, Inc. Frame for magnets in magnetic resonance imaging
US11422213B2 (en) 2019-12-10 2022-08-23 Hyperfine Operations, Inc. Ferromagnetic frame for magnetic resonance imaging
EP4302112A1 (en) * 2021-03-04 2024-01-10 Hyperfine Operations, Inc. Systems and methods for performing magnetic resonance imaging with reduced operator interaction
CN112671226B (zh) * 2021-03-22 2021-06-29 宜宾听点科技有限公司 一种功放电源电压控制方法及系统
CN113114136B (zh) * 2021-04-19 2022-11-25 重庆大学 一种基于自适应预测控制的梯度功率放大器及其设计方法
KR20240013596A (ko) 2022-07-22 2024-01-30 삼성전자주식회사 자성체 변위 제어 모듈 및 그를 포함하는 전자 장치

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437053A (en) * 1982-05-10 1984-03-13 Diasonics (Nmr) Inc. Gradient power supply
US4678995A (en) * 1984-12-12 1987-07-07 Yale University Apparatus and method for determining the presence of substances in a sample by NMR and producing an NMR image thereof
US4859128A (en) 1985-04-26 1989-08-22 Microdot Inc. Sheathed composite blind rivet
US4737716A (en) * 1986-02-06 1988-04-12 General Electric Company Self-shielded gradient coils for nuclear magnetic resonance imaging
JPH069607Y2 (ja) * 1988-02-22 1994-03-16 横河メディカルシステム株式会社 勾配磁場用電源装置
US5017871A (en) * 1989-09-14 1991-05-21 General Electric Company Gradient current speed-up circuit for high-speed NMR imaging system
US5105153A (en) * 1990-06-04 1992-04-14 General Electric Company Gradient speed-up circuit for nmr system
JP2928595B2 (ja) * 1990-06-27 1999-08-03 株式会社東芝 傾斜磁場発生装置
JPH05253206A (ja) * 1992-03-12 1993-10-05 Yokogawa Medical Syst Ltd Mri装置
US5270657A (en) 1992-03-23 1993-12-14 General Electric Company Split gradient amplifier for an MRI system
GB9705459D0 (en) * 1997-03-17 1997-05-07 British Tech Group A gradient drive system for magnetic resonance imaging
US6031746A (en) * 1998-09-04 2000-02-29 General Electric Company Switching amplifier for generating continuous arbitrary waveforms for magnetic resonance imaging coils
US6452391B1 (en) 1999-06-11 2002-09-17 General Electric Company Quiet mode magnetic resonance imaging system and method
US6845262B2 (en) * 2000-03-29 2005-01-18 The Brigham And Women's Hospital, Inc. Low-field MRI
US7254435B2 (en) * 2003-01-31 2007-08-07 Siemens Aktiengesellschaft Method and magnetic resonance apparatus for calibrating coil sensitivities
US7508212B2 (en) 2007-03-22 2009-03-24 Wisconsin Alumni Research Foundation RF coil assembly and method for practicing magnetization transfer on magnetic resonance imaging and spectroscopy systems
EP2252901A4 (en) * 2008-03-11 2012-01-25 Univ Western Ontario SYSTEM AND METHOD FOR MAGNETIC RESONANCE IMAGING
US8222899B2 (en) * 2009-04-21 2012-07-17 Herng-Er Horng Squid detected nuclear magnetic resonance and imaging at ultra-weak fields
TWI429935B (zh) * 2010-08-09 2014-03-11 Shieh Yueh Yang 低磁場核磁共振系統
KR101206727B1 (ko) * 2011-01-03 2012-11-30 한국표준과학연구원 저자기장 핵자기공명 장치 및 저자기장 핵자기공명 방법
WO2012114217A1 (en) * 2011-02-22 2012-08-30 Koninklijke Philips Electronics N.V. Mri rf power amplifier with modulated power supply
CN103533887B (zh) * 2011-05-20 2016-01-20 株式会社日立医疗器械 磁共振成像装置、以及重构图像取得方法
WO2012173095A1 (ja) * 2011-06-13 2012-12-20 株式会社東芝 磁気共鳴イメージング装置及びその制御装置
US9389193B1 (en) * 2011-08-12 2016-07-12 University Of New Brunswick Spatially resolved magnetic resonance spin-spin relaxation distribution measurement methods
CN103076580B (zh) 2011-10-25 2016-02-03 通用电气公司 梯度放大器、逆变器控制器、磁共振成像系统及控制方法
CN103176150B (zh) * 2011-12-21 2015-08-26 通用电气公司 梯度放大器系统及其控制方法
US10197652B2 (en) * 2012-03-08 2019-02-05 Schlumberger Technology Corporation Method and system for applying NMR pulse sequences with interacting shells
RU2621529C2 (ru) 2012-05-30 2017-06-06 Конинклейке Филипс Н.В. Управляемый посредством частоты переключений импульсный блок источника питания для питания градиентных катушек системы магнитного резонанса
US9389288B2 (en) 2012-09-14 2016-07-12 General Electric Company System and method for maintaining soft switching condition in a gradient coil driver circuit
AU2015311725A1 (en) 2014-09-05 2017-04-20 Hyperfine Research, Inc. Thermal management methods and apparatus
CN106999092B (zh) 2014-11-11 2022-03-15 海珀菲纳股份有限公司 用于低场磁共振的脉冲序列
US10813564B2 (en) 2014-11-11 2020-10-27 Hyperfine Research, Inc. Low field magnetic resonance methods and apparatus
JP2016158884A (ja) 2015-03-02 2016-09-05 東芝メディカルシステムズ株式会社 磁気共鳴イメージングの局所コイル装置、及び、磁気共鳴イメージング装置
HK1251301A1 (zh) 2015-04-13 2019-01-25 Hyperfine, Inc. 磁线圈供电方法和装置
HK1252007A1 (zh) 2015-05-12 2019-05-10 Hyperfine, Inc. 射频线圈方法和装置
JP6611589B2 (ja) * 2015-12-17 2019-11-27 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置
JP6927996B2 (ja) 2016-03-22 2021-09-01 ハイパーファイン,インコーポレイテッド 磁場シミングのための方法および装置
TWI667487B (zh) 2016-09-29 2019-08-01 美商超精細研究股份有限公司 射頻線圈調諧方法及裝置
US10585153B2 (en) 2016-11-22 2020-03-10 Hyperfine Research, Inc. Rotatable magnet methods and apparatus for a magnetic resonance imaging system
US10627464B2 (en) 2016-11-22 2020-04-21 Hyperfine Research, Inc. Low-field magnetic resonance imaging methods and apparatus
CA3043038A1 (en) 2016-11-22 2018-05-31 Hyperfine Research, Inc. Systems and methods for automated detection in magnetic resonance images
US10539637B2 (en) 2016-11-22 2020-01-21 Hyperfine Research, Inc. Portable magnetic resonance imaging methods and apparatus
US10761156B2 (en) 2018-04-20 2020-09-01 Hyperfine Research, Inc. Deployable guard for portable magnetic resonance imaging devices
AU2019274404A1 (en) 2018-05-21 2020-11-12 Hyperfine Operations, Inc. B0 magnet methods and apparatus for a magnetic resonance imaging system
MX2020012542A (es) 2018-05-21 2021-02-16 Hyperfine Res Inc Cadena de señal de bobina de radiofrecuencia para un sistema de resonancia magnética (mri) de campo bajo.
TW202015621A (zh) 2018-07-19 2020-05-01 美商超精細研究股份有限公司 在磁共振成像中患者定位之方法及設備
US11300645B2 (en) 2018-07-30 2022-04-12 Hyperfine Operations, Inc. Deep learning techniques for magnetic resonance image reconstruction
TW202012951A (zh) 2018-07-31 2020-04-01 美商超精細研究股份有限公司 低場漫射加權成像
JP2021532885A (ja) 2018-07-31 2021-12-02 ハイパーファイン,インコーポレイテッド 医療用画像装置メッセージングサービス
CA3107776A1 (en) 2018-08-15 2020-02-20 Hyperfine Research, Inc. Deep learning techniques for suppressing artefacts in magnetic resonance images
AU2019405138A1 (en) 2018-12-19 2021-06-17 Hyperfine Operations, Inc. System and methods for grounding patients during magnetic resonance imaging
BR112021012557A2 (pt) 2018-12-28 2021-09-14 Hyperfine, Inc. Correção de histerese em formação de imagem por ressonância magnética
WO2020185820A1 (en) 2019-03-12 2020-09-17 Hyperfine Research, Inc. Systems and methods for magnetic resonance imaging of infants
MX2021011124A (es) 2019-03-14 2021-10-14 Hyperfine Inc Tecnicas de aprendizaje profundo para generar imagenes por resonancia magnetica a partir de datos de frecuencia espacial.
US11740307B2 (en) 2019-04-26 2023-08-29 Hyperfine Operations, Inc. Techniques for dynamic control of a magnetic resonance imaging system
AU2020270393A1 (en) 2019-05-07 2021-11-25 Hyperfine Operations, Inc. Systems, devices, and methods for magnetic resonance imaging of infants
EP4014057A1 (en) 2019-08-15 2022-06-22 Hyperfine Operations, Inc. Eddy current mitigation systems and methods

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