JP2020523172A - 介入のための開口を備える片側磁気共鳴画像システムおよび当該システムを動作させるための手法 - Google Patents
介入のための開口を備える片側磁気共鳴画像システムおよび当該システムを動作させるための手法 Download PDFInfo
- Publication number
- JP2020523172A JP2020523172A JP2020517768A JP2020517768A JP2020523172A JP 2020523172 A JP2020523172 A JP 2020523172A JP 2020517768 A JP2020517768 A JP 2020517768A JP 2020517768 A JP2020517768 A JP 2020517768A JP 2020523172 A JP2020523172 A JP 2020523172A
- Authority
- JP
- Japan
- Prior art keywords
- imaging
- magnetic
- magnetic material
- structures
- image
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000002595 magnetic resonance imaging Methods 0.000 title claims description 21
- 238000003384 imaging method Methods 0.000 claims abstract description 46
- 239000000696 magnetic material Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 7
- 238000003491 array Methods 0.000 claims description 6
- 241001465754 Metazoa Species 0.000 claims description 5
- 210000004197 pelvis Anatomy 0.000 claims description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 238000001574 biopsy Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000007476 Maximum Likelihood Methods 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000012216 imaging agent Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007383 nerve stimulation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 125000004436 sodium atom Chemical group 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/702—Posture restraints
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
- G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3808—Magnet assemblies for single-sided MR wherein the magnet assembly is located on one side of a subject only; Magnet assemblies for inside-out MR, e.g. for MR in a borehole or in a blood vessel, or magnet assemblies for fringe-field MR
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
- A61B5/4571—Evaluating the hip
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Radiology & Medical Imaging (AREA)
- Vascular Medicine (AREA)
- High Energy & Nuclear Physics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Electromagnetism (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (18)
- 対象内に含まれた一つ以上の構造を撮像する装置であって、前記装置は、
磁性材料の一つ以上のアレイであって、材料の前記アレイの少なくともいくつかは、前記一つ以上のアレイ内の他の材料と向かい合う磁場を生成する、磁性材料の一つ以上のアレイと、
前記磁性材料によって提供された、前記撮像対象への介入を可能とするアクセス開口と、を備え、
磁場は、前記対象を撮像する前記装置の片側に提供される、装置。 - 前記装置は、一つ以上の構造を撮像する片面デバイスである、請求項1に記載の撮像装置。
- 前記装置は、対象の骨盤領域を撮像するように使用される、請求項1に記載の撮像装置。
- 前記対象は、生きている動物または人間である、請求項1に記載の撮像装置。
- 前記磁気共鳴画像システムは、片面である、請求項1に記載の撮像装置。
- 前記MRIシステムは、電子式永久磁石を含む、請求項1に記載の撮像装置。
- 前記装置の前記片側での前記磁場は、前記装置から離れている前記対象を撮像するように使用される、請求項1に記載の撮像装置。
- 前記アクセス開口の軸は、前記撮像装置の面に垂直である、請求項1に記載の撮像装置。
- 磁性材料の前記一つ以上のアレイは、少なくとも一部は硬質磁性材料である、少なくとも一つの磁化可能な部品と、少なくとも一部は軟質磁性材料である、少なくとも一つの磁化可能な部品とを含む、請求項1に記載の撮像装置。
- 対象の少なくとも一部である一つ以上の構造の撮像の方法であって、
磁性材料のアレイであって、前記アレイは前記構造または複数の構造にアクセスするためのアクセス開口を有する、磁性材料のアレイを前記一つ以上の構造の片側に配置し、
前記一つ以上の構造の前記片側に配置された磁性材料の前記アレイを使用して磁気共鳴画像を使用して前記一つ以上の構造を撮像する、ことを含む、方法。 - 前記撮像装置は、一つ以上の構造を撮像する片面デバイスである、請求項10に記載の撮像方法。
- 前記撮像装置は、対象の骨盤領域を撮像するように使用される、請求項10に記載の撮像方法。
- 前記対象は、生きている動物または人間である、請求項10に記載の撮像方法。
- 前記磁場共鳴画像システムは、片面である、請求項10に記載の撮像方法。
- 前記MRIシステムは、電子式永久磁石を含む、請求項10に記載の撮像方法。
- 前記装置の前記片側での前記磁場は、前記装置から離れている前記対象を撮像するように使用される、請求項10に記載の撮像方法。
- 前記アクセス開口の軸は、前記撮像装置の面に垂直である、請求項10に記載の撮像方法。
- 磁性材料の前記一つ以上のアレイは、少なくとも一部は硬質磁性材料である、少なくとも一つの磁化可能な部品と、少なくとも一部は軟質磁性材料である、少なくとも一つの磁化可能な部品とを含む、請求項10に記載の撮像方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023206854A JP2024037819A (ja) | 2017-06-08 | 2023-12-07 | 介入のための開口を備える片側磁気共鳴画像システムおよび当該システムを動作させるための手法 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762516698P | 2017-06-08 | 2017-06-08 | |
US62/516,698 | 2017-06-08 | ||
PCT/US2018/036686 WO2018227108A1 (en) | 2017-06-08 | 2018-06-08 | Unilateral magnetic resonance imaging system with aperture for interventions and methodologies for operating same |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023206854A Division JP2024037819A (ja) | 2017-06-08 | 2023-12-07 | 介入のための開口を備える片側磁気共鳴画像システムおよび当該システムを動作させるための手法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020523172A true JP2020523172A (ja) | 2020-08-06 |
JP2020523172A5 JP2020523172A5 (ja) | 2021-07-26 |
Family
ID=64564063
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020517768A Pending JP2020523172A (ja) | 2017-06-08 | 2018-06-08 | 介入のための開口を備える片側磁気共鳴画像システムおよび当該システムを動作させるための手法 |
JP2023206854A Pending JP2024037819A (ja) | 2017-06-08 | 2023-12-07 | 介入のための開口を備える片側磁気共鳴画像システムおよび当該システムを動作させるための手法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023206854A Pending JP2024037819A (ja) | 2017-06-08 | 2023-12-07 | 介入のための開口を備える片側磁気共鳴画像システムおよび当該システムを動作させるための手法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US11686793B2 (ja) |
EP (1) | EP3634235A4 (ja) |
JP (2) | JP2020523172A (ja) |
KR (1) | KR102516329B1 (ja) |
CN (1) | CN110719753A (ja) |
AU (1) | AU2018279823B2 (ja) |
SG (1) | SG11201911699PA (ja) |
WO (1) | WO2018227108A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2021009756A (es) | 2019-02-15 | 2021-11-17 | Promaxo Inc | Sistemas y métodos para la dispersión de relajación en campo ultrabajo. |
MX2021010071A (es) | 2019-02-22 | 2021-12-10 | Promaxo Inc | Bobina de pseudo-jaula con ajuste variable y aplicaciones de la misma. |
US20220113361A1 (en) * | 2019-02-22 | 2022-04-14 | Promaxo, Inc. | Systems and methods for performing magnetic resonance imaging |
KR20220123319A (ko) * | 2019-03-25 | 2022-09-06 | 프로맥소 인크. | 단면 mri 시스템에서 체적 취득을 위한 시스템들 및 방법들 |
US11609291B2 (en) * | 2019-03-25 | 2023-03-21 | Promaxo, Inc. | Single-sided fast MRI gradient field coils and applications thereof |
MX2022010195A (es) * | 2020-02-20 | 2022-11-14 | Promaxo Inc | Redes de bobinas de recepción de radiofrecuencia para la obtencion de imágenes por resonancia magnética de un solo lado. |
CN115243609A (zh) | 2020-03-09 | 2022-10-25 | 普罗马克索公司 | 用于不均匀磁场中的磁共振成像的利用频率扫描脉冲的相位编码 |
CA3171251A1 (en) | 2020-03-09 | 2021-09-16 | Muller Francis DE MATOS GOMES | Pulse sequences and frequency sweep pulses for single-sided magnetic resonance imaging |
CN117597593A (zh) | 2021-04-26 | 2024-02-23 | 普罗马克索公司 | 用于mri引导的盆腔介入的介入定位引导器和方法 |
EP4113146A1 (en) * | 2021-06-30 | 2023-01-04 | Siemens Healthcare GmbH | Magnetic resonance imaging device with a concave-shaped field generation unit |
WO2023133071A1 (en) | 2022-01-04 | 2023-07-13 | Promaxo, Inc. | Relaxation-based magnetic resonance thermometry with a low-field single-sided mri scanner |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07508857A (ja) * | 1992-04-15 | 1995-09-28 | ヒューストン・アドバンスト・リサーチ・センター | 磁気共鳴映像法用構造型コイル電磁石 |
JP2001511597A (ja) * | 1997-07-23 | 2001-08-14 | オーディン・テクノロジーズ・リミテッド | 医学分野の応用で使用するための永久磁石アセンブリ |
JP2002505596A (ja) * | 1997-05-23 | 2002-02-19 | トランサージカル,インコーポレイテッド | Mri誘導治療装置及び方法 |
JP2002325743A (ja) * | 2001-05-02 | 2002-11-12 | Shin Etsu Chem Co Ltd | Mri用磁気回路構造 |
JP2008268133A (ja) * | 2007-04-24 | 2008-11-06 | National Institute Of Advanced Industrial & Technology | 片側開放型磁気回路 |
JP2010501294A (ja) * | 2006-08-28 | 2010-01-21 | サニーブルック アンド ウィメンズ カレッジ ヘルス サイエンシーズ センター | 磁気共鳴映像法のためのオープン構造画像装置とコイルシステム |
US20170139024A1 (en) * | 2015-11-16 | 2017-05-18 | Weinberg Medical Physics, Inc. | Method and apparatus for high slew rate single point magnetic resonance imaging of magnetizable nanoparticles |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4721914A (en) | 1984-05-01 | 1988-01-26 | The United States Of America As Represented By The United States Department Of Energy | Apparatus for unilateral generation of a homogeneous magnetic field |
US6489872B1 (en) * | 1999-05-06 | 2002-12-03 | New Mexico Resonance | Unilateral magnet having a remote uniform field region for nuclear magnetic resonance |
US6262576B1 (en) | 1999-11-16 | 2001-07-17 | Picker International, Inc. | Phased array planar gradient coil set for MRI systems |
EP1352258B1 (en) * | 2001-01-12 | 2009-03-11 | Oxford Instruments Superconductivity Limited | Magnetic field generating assembly and method |
US7379769B2 (en) | 2003-09-30 | 2008-05-27 | Sunnybrook Health Sciences Center | Hybrid imaging method to monitor medical device delivery and patient support for use in the method |
DE102005024479B3 (de) * | 2005-05-24 | 2006-11-30 | Bruker Biospin Gmbh | Probenkopf für Kernresonanz-Messungen |
DK2197534T3 (en) * | 2007-09-25 | 2018-06-14 | Neosync Inc | DEVICE WITH TWO ROTATE PERMANENT MAGNETS FOR APPLYING ON THE HEAD OF AN INDIVIDUAL |
EP2294436B1 (en) | 2008-06-20 | 2022-02-09 | Irving Weinberg | Method for decreasing bio-effects of magnetic field gradients |
US20120265050A1 (en) * | 2011-04-04 | 2012-10-18 | Ge Wang | Omni-Tomographic Imaging for Interior Reconstruction using Simultaneous Data Acquisition from Multiple Imaging Modalities |
WO2012142306A2 (en) * | 2011-04-12 | 2012-10-18 | Sarai Mohammad | Magnetic configurations |
US20150112187A1 (en) * | 2013-10-18 | 2015-04-23 | Imris Inc. | MR Imaging with RF Coil Integrated into Patient Engaging Component |
US20170227617A1 (en) | 2016-02-09 | 2017-08-10 | Weinberg Medical Physics, Inc. | Method and apparatus for manipulating electropermanent magnets for magnetic resonance imaging and image guided therapy |
US10823793B2 (en) * | 2019-03-27 | 2020-11-03 | Siemens Healthcare Gmbh | Resonance data acquisition scanner with rotating basic field magnet |
-
2018
- 2018-06-08 KR KR1020197038970A patent/KR102516329B1/ko active IP Right Grant
- 2018-06-08 JP JP2020517768A patent/JP2020523172A/ja active Pending
- 2018-06-08 AU AU2018279823A patent/AU2018279823B2/en active Active
- 2018-06-08 CN CN201880038263.8A patent/CN110719753A/zh active Pending
- 2018-06-08 SG SG11201911699PA patent/SG11201911699PA/en unknown
- 2018-06-08 US US16/003,585 patent/US11686793B2/en active Active
- 2018-06-08 EP EP18812673.4A patent/EP3634235A4/en active Pending
- 2018-06-08 WO PCT/US2018/036686 patent/WO2018227108A1/en unknown
-
2023
- 2023-12-07 JP JP2023206854A patent/JP2024037819A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07508857A (ja) * | 1992-04-15 | 1995-09-28 | ヒューストン・アドバンスト・リサーチ・センター | 磁気共鳴映像法用構造型コイル電磁石 |
JP2002505596A (ja) * | 1997-05-23 | 2002-02-19 | トランサージカル,インコーポレイテッド | Mri誘導治療装置及び方法 |
JP2001511597A (ja) * | 1997-07-23 | 2001-08-14 | オーディン・テクノロジーズ・リミテッド | 医学分野の応用で使用するための永久磁石アセンブリ |
JP2002325743A (ja) * | 2001-05-02 | 2002-11-12 | Shin Etsu Chem Co Ltd | Mri用磁気回路構造 |
JP2010501294A (ja) * | 2006-08-28 | 2010-01-21 | サニーブルック アンド ウィメンズ カレッジ ヘルス サイエンシーズ センター | 磁気共鳴映像法のためのオープン構造画像装置とコイルシステム |
JP2008268133A (ja) * | 2007-04-24 | 2008-11-06 | National Institute Of Advanced Industrial & Technology | 片側開放型磁気回路 |
US20170139024A1 (en) * | 2015-11-16 | 2017-05-18 | Weinberg Medical Physics, Inc. | Method and apparatus for high slew rate single point magnetic resonance imaging of magnetizable nanoparticles |
Also Published As
Publication number | Publication date |
---|---|
US20180356480A1 (en) | 2018-12-13 |
KR102516329B1 (ko) | 2023-03-30 |
EP3634235A1 (en) | 2020-04-15 |
JP2024037819A (ja) | 2024-03-19 |
SG11201911699PA (en) | 2020-01-30 |
WO2018227108A1 (en) | 2018-12-13 |
AU2018279823B2 (en) | 2024-03-28 |
CN110719753A (zh) | 2020-01-21 |
EP3634235A4 (en) | 2020-06-24 |
KR20200018510A (ko) | 2020-02-19 |
AU2018279823A1 (en) | 2020-01-16 |
US11686793B2 (en) | 2023-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2020523172A (ja) | 介入のための開口を備える片側磁気共鳴画像システムおよび当該システムを動作させるための手法 | |
TWI743481B (zh) | 用於磁共振成像系統的b磁鐵方法及設備 | |
CN110573072B (zh) | 开孔无场线磁性粒子成像系统 | |
JP6317341B2 (ja) | 回転配列永久磁石を用いた携帯型磁気共鳴イメージングシステムおよび方法 | |
JP4188384B2 (ja) | 磁気共鳴イメージング装置 | |
WO2017083643A1 (en) | Apparatus and methods for spatial encoding of ffl-based mpi devices | |
US11675034B2 (en) | Magnetic resonance scanner and magnetic resonance imaging system | |
US10908240B2 (en) | Method for acquiring an image and manipulating objects with magnetic gradients produced by one or more electropermanent magnet arrays | |
US8583213B2 (en) | Combined MR imaging and tracking | |
EP3828575A2 (en) | Magnetic resonance imaging system with a rotatable magnet | |
KR101623116B1 (ko) | 영상 획득 방법 | |
US6538442B2 (en) | MRI system having RF shielding gradient coil structure | |
US20220409115A1 (en) | Apparatus and method for magnetoencephalography with electropermanent magnet array | |
US9625553B2 (en) | Method and apparatus for acquiring B1 magnetic field information | |
JP4045769B2 (ja) | 磁場発生装置及びこれを用いるmri装置 | |
JP4031964B2 (ja) | 磁気共鳴イメージング装置用受信コイル及びこれを用いた装置 | |
US20230184855A1 (en) | Apparatus and method for c-arm mri with electropermanent magnets | |
US20230408610A1 (en) | Shield-Free MRI System Of Time-Varying Electromagnetic Fields In Complex Electromagnetic Environments | |
US11378632B2 (en) | Apparatus and method for rapid and comfortable magnetic imaging of breast tissues, with cultural sensitivity | |
GB2525209A (en) | MRI Apparatus and methods | |
Jordaan | Noise reduction during diffusion tensor imaging of infants | |
JP4648686B2 (ja) | 手術用受信コイルおよびこれを用いた磁気共鳴イメージング装置 | |
JP2011183072A (ja) | 磁気共鳴イメージング装置 | |
Yelleswarapu et al. | TOP-level designs of a hybrid low field MRI-CT system for pulmonary imaging | |
JP2006230844A (ja) | 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: 20210604 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210604 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220523 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220614 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20220913 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20221111 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221208 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230328 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230627 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20230808 |