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
- Authority
- JP
- Japan
- Prior art keywords
- power
- linear amplifier
- gradient coil
- output
- voltage
- 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
Links
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 45
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 19
- 230000007704 transition Effects 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 description 1
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 |
Family
ID=57111600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017553350A Active JP6800164B2 (ja) | 2015-04-13 | 2016-04-13 | 磁気コイル電力方法および装置 |
Country Status (13)
| Country | Link |
|---|---|
| US (5) | US10281540B2 (enExample) |
| EP (2) | EP3283895A4 (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 (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2015311749B2 (en) | 2014-09-05 | 2018-06-21 | Hyperfine Operations, Inc. | Ferromagnetic augmentation for magnetic resonance imaging |
| HK1243307A1 (zh) | 2014-11-11 | 2018-07-13 | Hyperfine, Inc. | 用於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 |
| BR112017021999A2 (pt) | 2015-04-13 | 2018-07-10 | Hyperfine Res Inc | aparelhos e métodos de alimentação de bobina magnética |
| EP3294129B1 (en) | 2015-05-12 | 2025-09-03 | Hyperfine, Inc. | Radio frequency coil methods and apparatus |
| TWI657248B (zh) | 2016-03-22 | 2019-04-21 | 超精細研究股份有限公司 | 磁體墊片、用於產生磁體墊片之方法與系統及低場磁性共振成像系統 |
| 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 |
| US10627464B2 (en) | 2016-11-22 | 2020-04-21 | Hyperfine Research, Inc. | Low-field magnetic resonance imaging methods and apparatus |
| US10539637B2 (en) | 2016-11-22 | 2020-01-21 | Hyperfine Research, Inc. | Portable magnetic resonance imaging methods and apparatus |
| CN109983474A (zh) | 2016-11-22 | 2019-07-05 | 海珀菲纳研究股份有限公司 | 用于磁共振图像中的自动检测的系统和方法 |
| US10585153B2 (en) | 2016-11-22 | 2020-03-10 | Hyperfine Research, Inc. | Rotatable magnet methods and apparatus for a magnetic resonance imaging system |
| 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 |
| TWI744629B (zh) | 2018-04-20 | 2021-11-01 | 美商海珀菲纳股份有限公司 | 可展開防護裝置以及包含其之設備及系統 |
| JP2021524775A (ja) | 2018-05-21 | 2021-09-16 | ハイパーファイン,インコーポレイテッド | 磁気共鳴結像システム用のb0磁石の機器および方法 |
| JP2021526043A (ja) | 2018-05-21 | 2021-09-30 | ハイパーファイン,インコーポレイテッド | 低磁場mriシステムのための無線周波数コイル信号チェーン |
| 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 |
| AU2019313334A1 (en) | 2018-07-30 | 2021-02-04 | 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 |
| KR20210046695A (ko) | 2018-08-15 | 2021-04-28 | 하이퍼파인 리서치, 인크. | 자기 공명 이미지들에서 아티팩트들을 억제하기 위한 딥 러닝 기술들 |
| CA3122087A1 (en) | 2018-12-19 | 2020-06-25 | Hyperfine Research, Inc. | System and methods for grounding patients during magnetic resonance imaging |
| KR20210143722A (ko) | 2018-12-28 | 2021-11-29 | 하이퍼파인, 인크. | 자기 공명 이미징에서의 히스테리시스 보정 |
| KR102258269B1 (ko) * | 2019-03-07 | 2021-05-31 | 주식회사 지에스인스텍 | 자기공명영상장치의 무선주파수 전력증폭장치 |
| TW202041197A (zh) | 2019-03-12 | 2020-11-16 | 美商超精細研究股份有限公司 | 嬰兒磁振造影之系統及方法 |
| US11344219B2 (en) | 2019-03-14 | 2022-05-31 | Hyperfine Operations, Inc. | Deep learning techniques for alignment of magnetic resonance images |
| CA3138122A1 (en) | 2019-04-26 | 2020-10-29 | Hyperfine, Inc. | Techniques for dynamic control of a magnetic resonance imaging system |
| JP2022531485A (ja) | 2019-05-07 | 2022-07-06 | ハイパーファイン,インコーポレイテッド | 乳児の磁気共鳴画像のためのシステム、装置、及び方法 |
| EP4014057A1 (en) | 2019-08-15 | 2022-06-22 | Hyperfine Operations, Inc. | Eddy current mitigation systems and methods |
| EP4575540A3 (en) | 2019-10-08 | 2025-09-03 | Hyperfine Operations, Inc. | System and methods for detecting electromagnetic interference in patients during magnetic resonance imaging |
| US11573282B2 (en) | 2019-10-25 | 2023-02-07 | Hyperfine Operations, Inc. | Artefact reduction in 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 |
| WO2021108216A1 (en) | 2019-11-27 | 2021-06-03 | Hyperfine Research, Inc. | Techniques for noise suppression in an environment of a magnetic resonance imaging system |
| 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 |
| US11333727B2 (en) | 2019-12-10 | 2022-05-17 | Hyperfine Operations, Inc. | Ferromagnetic frame for magnetic resonance imaging |
| US11656308B2 (en) | 2019-12-10 | 2023-05-23 | Hyperfine Operations, 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 |
| CN117222906A (zh) * | 2021-03-04 | 2023-12-12 | 海珀菲纳运营有限公司 | 用于通过减少的操作员交互进行磁共振成像的系统和方法 |
| 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 |
Family Cites Families (57)
| 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 |
| CA2717906C (en) * | 2008-03-11 | 2022-07-05 | Jamu Alford | 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 |
| WO2012160971A1 (ja) * | 2011-05-20 | 2012-11-29 | 株式会社 日立メディコ | 磁気共鳴イメージング装置、及び再構成画像取得方法 |
| 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 |
| US20130234705A1 (en) * | 2012-03-08 | 2013-09-12 | Schlumberger Technology Corporation | Method and system for applying nmr pulse sequences using different frequencies |
| EP2856193B8 (en) | 2012-05-30 | 2020-04-22 | Koninklijke Philips N.V. | Switching-frequency-controlled switch-mode power supply unit for powering magnetic resonance system gradient coils |
| 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 |
| AU2015311749B2 (en) | 2014-09-05 | 2018-06-21 | Hyperfine Operations, Inc. | Ferromagnetic augmentation for magnetic resonance imaging |
| US10813564B2 (en) | 2014-11-11 | 2020-10-27 | Hyperfine Research, Inc. | Low field magnetic resonance methods and apparatus |
| HK1243307A1 (zh) | 2014-11-11 | 2018-07-13 | Hyperfine, Inc. | 用於低场磁共振的脉冲序列 |
| 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 |
| BR112017021999A2 (pt) | 2015-04-13 | 2018-07-10 | Hyperfine Res Inc | aparelhos e métodos de alimentação de bobina magnética |
| EP3294129B1 (en) | 2015-05-12 | 2025-09-03 | Hyperfine, Inc. | Radio frequency coil methods and apparatus |
| 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 |
| TWI657248B (zh) | 2016-03-22 | 2019-04-21 | 超精細研究股份有限公司 | 磁體墊片、用於產生磁體墊片之方法與系統及低場磁性共振成像系統 |
| 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 |
| CN109983474A (zh) | 2016-11-22 | 2019-07-05 | 海珀菲纳研究股份有限公司 | 用于磁共振图像中的自动检测的系统和方法 |
| 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 |
| TWI744629B (zh) | 2018-04-20 | 2021-11-01 | 美商海珀菲纳股份有限公司 | 可展開防護裝置以及包含其之設備及系統 |
| JP2021526043A (ja) | 2018-05-21 | 2021-09-30 | ハイパーファイン,インコーポレイテッド | 低磁場mriシステムのための無線周波数コイル信号チェーン |
| JP2021524775A (ja) | 2018-05-21 | 2021-09-16 | ハイパーファイン,インコーポレイテッド | 磁気共鳴結像システム用のb0磁石の機器および方法 |
| 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 |
| AU2019313334A1 (en) | 2018-07-30 | 2021-02-04 | Hyperfine Operations, Inc. | Deep learning techniques for magnetic resonance image reconstruction |
| KR20210037683A (ko) | 2018-07-31 | 2021-04-06 | 하이퍼파인 리서치, 인크. | 의료 이미징 디바이스 메시징 서비스 |
| 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 |
| KR20210046695A (ko) | 2018-08-15 | 2021-04-28 | 하이퍼파인 리서치, 인크. | 자기 공명 이미지들에서 아티팩트들을 억제하기 위한 딥 러닝 기술들 |
| CA3122087A1 (en) | 2018-12-19 | 2020-06-25 | Hyperfine Research, Inc. | System and methods for grounding patients during magnetic resonance imaging |
| KR20210143722A (ko) | 2018-12-28 | 2021-11-29 | 하이퍼파인, 인크. | 자기 공명 이미징에서의 히스테리시스 보정 |
| TW202041197A (zh) | 2019-03-12 | 2020-11-16 | 美商超精細研究股份有限公司 | 嬰兒磁振造影之系統及方法 |
| US11344219B2 (en) | 2019-03-14 | 2022-05-31 | Hyperfine Operations, Inc. | Deep learning techniques for alignment of magnetic resonance images |
| CA3138122A1 (en) | 2019-04-26 | 2020-10-29 | Hyperfine, Inc. | Techniques for dynamic control of a magnetic resonance imaging system |
| JP2022531485A (ja) | 2019-05-07 | 2022-07-06 | ハイパーファイン,インコーポレイテッド | 乳児の磁気共鳴画像のためのシステム、装置、及び方法 |
| EP4014057A1 (en) | 2019-08-15 | 2022-06-22 | Hyperfine Operations, Inc. | Eddy current mitigation systems and methods |
-
2016
- 2016-04-13 BR BR112017021999A patent/BR112017021999A2/pt not_active Application Discontinuation
- 2016-04-13 CA CA2982449A patent/CA2982449A1/en not_active Abandoned
- 2016-04-13 EP EP16780591.0A patent/EP3283895A4/en not_active Withdrawn
- 2016-04-13 MX MX2017013190A patent/MX378464B/es unknown
- 2016-04-13 KR KR1020177032637A patent/KR20180019518A/ko not_active Abandoned
- 2016-04-13 US US15/097,433 patent/US10281540B2/en active Active
- 2016-04-13 EP EP24203116.9A patent/EP4462222A3/en not_active Withdrawn
- 2016-04-13 JP JP2017553350A patent/JP6800164B2/ja active Active
- 2016-04-13 HK HK18110659.1A patent/HK1251301A1/zh unknown
- 2016-04-13 CN CN201680026593.6A patent/CN107533118B/zh active Active
- 2016-04-13 WO PCT/US2016/027215 patent/WO2016168249A1/en not_active Ceased
- 2016-04-13 AU AU2016250077A patent/AU2016250077B2/en not_active Ceased
- 2016-04-13 TW TW105111541A patent/TWI710782B/zh not_active IP Right Cessation
-
2017
- 2017-10-09 IL IL254956A patent/IL254956A0/en unknown
-
2018
- 2018-09-06 US US16/123,893 patent/US10295628B2/en active Active
- 2018-09-06 US US16/123,941 patent/US10222435B2/en active Active
-
2019
- 2019-03-29 US US16/368,931 patent/US10989776B2/en active Active
- 2019-03-29 US US16/369,447 patent/US11041922B2/en active Active
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