TWI667487B - 射頻線圈調諧方法及裝置 - Google Patents
射頻線圈調諧方法及裝置 Download PDFInfo
- Publication number
- TWI667487B TWI667487B TW106133470A TW106133470A TWI667487B TW I667487 B TWI667487 B TW I667487B TW 106133470 A TW106133470 A TW 106133470A TW 106133470 A TW106133470 A TW 106133470A TW I667487 B TWI667487 B TW I667487B
- Authority
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- Taiwan
- Prior art keywords
- coil
- tuning
- frequency
- mri
- field
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 70
- 238000002595 magnetic resonance imaging Methods 0.000 claims abstract description 175
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Classifications
-
- 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
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3628—Tuning/matching of the transmit/receive coil
-
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging
-
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
- G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency
-
- 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
- G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662401657P | 2016-09-29 | 2016-09-29 | |
| US62/401,657 | 2016-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201825926A TW201825926A (zh) | 2018-07-16 |
| TWI667487B true TWI667487B (zh) | 2019-08-01 |
Family
ID=61686124
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW106133470A TWI667487B (zh) | 2016-09-29 | 2017-09-28 | 射頻線圈調諧方法及裝置 |
| TW108103079A TWI685668B (zh) | 2016-09-29 | 2017-09-28 | 磁共振成像系統，以及搭配該磁共振成像系統使用之調諧系統 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW108103079A TWI685668B (zh) | 2016-09-29 | 2017-09-28 | 磁共振成像系統，以及搭配該磁共振成像系統使用之調諧系統 |
Country Status (12)
| Country | Link |
|---|---|
| US (4) | US10551452B2 (enExample) |
| EP (2) | EP3519840B1 (enExample) |
| JP (1) | JP7016864B2 (enExample) |
| KR (1) | KR20190062491A (enExample) |
| CN (1) | CN109791185B (enExample) |
| AU (1) | AU2017335998A1 (enExample) |
| BR (1) | BR112019001770A2 (enExample) |
| CA (1) | CA3032391C (enExample) |
| IL (1) | IL264312A (enExample) |
| MX (1) | MX2019003613A (enExample) |
| TW (2) | TWI667487B (enExample) |
| WO (1) | WO2018064485A1 (enExample) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110932B (zh) | 2014-09-05 | 2020-09-01 | 海珀菲纳研究股份有限公司 | 低场磁共振成像方法和设备 |
| 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 |
| TWI710782B (zh) | 2015-04-13 | 2020-11-21 | 美商超精細研究股份有限公司 | 用於對操作磁共振成像系統之至少一梯度線圈提供電力之裝置及方法以及磁共振成像系統 |
| JP6784697B2 (ja) | 2015-05-12 | 2020-11-11 | ハイパーファイン リサーチ，インコーポレイテッド | 高周波コイルの方法および装置 |
| WO2017165513A1 (en) | 2016-03-22 | 2017-09-28 | Hyperfine Research, Inc. | Methods and apparatus for magnetic field shimming |
| DE102016208001A1 (de) * | 2016-05-10 | 2017-11-16 | Siemens Healthcare Gmbh | Verfahren zum Betrieb einer Magnetresonanzanlage, Datenträger sowie Magnetresonanzanlage |
| 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 |
| US10627464B2 (en) | 2016-11-22 | 2020-04-21 | Hyperfine Research, Inc. | Low-field magnetic resonance imaging methods and apparatus |
| US10585153B2 (en) | 2016-11-22 | 2020-03-10 | Hyperfine Research, Inc. | Rotatable magnet methods and apparatus for a magnetic resonance imaging system |
| US10955504B2 (en) | 2016-11-22 | 2021-03-23 | 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 |
| KR101908286B1 (ko) * | 2017-02-23 | 2018-10-16 | (주)멜파스 | 커패시턴스 검출 방법 및 이를 이용하는 커패시턴스 검출 장치 |
| CA3096397A1 (en) | 2018-04-20 | 2019-10-24 | Hyperfine Research, Inc. | Deployable guard for portable magnetic resonance imaging devices |
| TWI743481B (zh) | 2018-05-21 | 2021-10-21 | 美商海珀菲纳股份有限公司 | 用於磁共振成像系統的b磁鐵方法及設備 |
| KR20210013567A (ko) | 2018-05-21 | 2021-02-04 | 하이퍼파인 리서치, 인크. | 저자계 mri 시스템용 무선 주파수 코일 신호 체인 |
| JP7224792B2 (ja) * | 2018-06-28 | 2023-02-20 | 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 |
| 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 |
| KR20210038903A (ko) | 2018-07-30 | 2021-04-08 | 하이퍼파인 리서치, 인크. | 자기 공명 이미지 재구성을 위한 딥 러닝 기술 |
| 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 |
| US10637444B1 (en) | 2018-12-21 | 2020-04-28 | Northrop Gruman Systems Corporation | Near field RFID probe with tunning |
| JP2022515825A (ja) | 2018-12-28 | 2022-02-22 | ハイパーファイン，インコーポレイテッド | 磁気共鳴撮像におけるヒステリシスの補正 |
| KR20210137142A (ko) | 2019-03-12 | 2021-11-17 | 하이퍼파인, 인크. | 영아들의 자기 공명 촬영을 위한 시스템들 및 방법들 |
| JP2022526718A (ja) | 2019-03-14 | 2022-05-26 | ハイパーファイン，インコーポレイテッド | 空間周波数データから磁気共鳴画像を生成するための深層学習技術 |
| JP2022530622A (ja) | 2019-04-26 | 2022-06-30 | ハイパーファイン，インコーポレイテッド | 磁気共鳴画像法システムの動的制御のための技術 |
| EP3965653B1 (en) | 2019-05-07 | 2025-01-01 | Hyperfine, Inc. | Systems, devices, and methods for magnetic resonance imaging of infants |
| US11698430B2 (en) | 2019-08-15 | 2023-07-11 | Hyperfine Operations, Inc. | Eddy current mitigation systems and methods |
| KR20220074961A (ko) * | 2019-10-08 | 2022-06-03 | 트르스티스 오브 보스톤 유니버시티 | 공진 주파수를 변경하는 데 유용한 비선형 및 스마트 메타물질 |
| WO2021071938A2 (en) | 2019-10-08 | 2021-04-15 | Hyperfine Research, Inc. | System and methods for detecting electromagnetic interference in patients during magnetic resonance imaging |
| WO2021081191A1 (en) | 2019-10-25 | 2021-04-29 | Hyperfine Research, Inc. | Systems and methods for detecting patient motion during magnetic resonance imaging |
| US11573282B2 (en) | 2019-10-25 | 2023-02-07 | Hyperfine Operations, Inc. | Artefact reduction in magnetic resonance imaging |
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| US11275137B2 (en) | 2019-12-10 | 2022-03-15 | Hyperfine, Inc. | Permanent magnet assembly for magnetic resonance imaging with non-ferromagnetic frame |
| CN111856359A (zh) * | 2020-08-21 | 2020-10-30 | 中国科学技术大学 | 一种多核磁共振收发控制盒 |
| CN113812940B (zh) * | 2021-08-25 | 2024-04-26 | 武汉联影生命科学仪器有限公司 | 调整调谐曲线显示的方法及显示交互装置 |
| CN116568209A (zh) * | 2020-12-07 | 2023-08-08 | 武汉联影生命科学仪器有限公司 | 调谐和匹配装置、方法、磁共振成像设备及显示交互装置 |
| CN112545488A (zh) * | 2020-12-07 | 2021-03-26 | 武汉联影生命科学仪器有限公司 | 调谐和匹配装置、方法及磁共振成像设备 |
| CN115105047B (zh) * | 2021-03-19 | 2025-02-28 | 杭州拉莫科技有限公司 | 一种核磁共振成像系统 |
| CN113721175A (zh) * | 2021-07-15 | 2021-11-30 | 中国科学院生物物理研究所 | 核磁共振半自动调谐系统及调谐方法 |
| FR3128781B1 (fr) * | 2021-10-28 | 2023-10-27 | Multiwave Imaging | dispositif d’imagerie par résonance magnétique |
| CN115389991B (zh) * | 2022-08-26 | 2024-03-15 | 天津大学 | 用于磁共振回波信号增强的超材料动态调谐系统及方法 |
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