JP4673188B2 - 核磁気共鳴装置用のnmrプローブ - Google Patents
核磁気共鳴装置用のnmrプローブ Download PDFInfo
- Publication number
- JP4673188B2 JP4673188B2 JP2005314902A JP2005314902A JP4673188B2 JP 4673188 B2 JP4673188 B2 JP 4673188B2 JP 2005314902 A JP2005314902 A JP 2005314902A JP 2005314902 A JP2005314902 A JP 2005314902A JP 4673188 B2 JP4673188 B2 JP 4673188B2
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- 239000000523 sample Substances 0.000 title claims description 58
- 238000005481 NMR spectroscopy Methods 0.000 title claims description 28
- 238000001514 detection method Methods 0.000 claims description 47
- 239000003990 capacitor Substances 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 230000035945 sensitivity Effects 0.000 description 12
- 239000004020 conductor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000002887 superconductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000007876 drug discovery Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
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- 239000010409 thin film Substances 0.000 description 1
Images
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
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
- G01R33/34069—Saddle coils
-
- 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
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
- G01R33/34053—Solenoid coils; Toroidal coils
-
- 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
- G01R33/34015—Temperature-controlled RF coils
- G01R33/34023—Superconducting RF coils
-
- 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
- G01R33/34092—RF coils specially adapted for NMR spectrometers
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Description
前記第一の同調回路との間にバンドパスフィルタが接続されており、第二の同調用コンデンサと、第二の整合用コンデンサとを前記検出コイルに対して電気的に直列に接続した第二の周波数で共振する第二の同調回路と、を持ち、前記第一の同調回路は受信専用、前記第二の同調回路は送受信兼用とすることを特徴とする。
Claims (1)
- 核磁気共鳴装置用のNMRプローブにおいて、
測定されるサンプルからの核磁気共鳴信号を検出する検出コイルを設置し、前記検出コイルのインダクタンスを補償する超電導材料からなる補償コイルと、共振周波数調整用の第一の同調用コンデンサと、インピーダンスマッチング用の第一の整合用コンデンサとを前記検出コイルに対して電気的に直列に接続した第一の周波数で共振する第一の同調回路と、
前記第一の同調回路との間にバンドパスフィルタが接続されており、第二の同調用コンデンサと、第二の整合用コンデンサとを前記検出コイルに対して電気的に直列に接続した第二の周波数で共振する第二の同調回路と、を持ち、
前記第一の同調回路は受信専用、前記第二の同調回路は送受信兼用とすることを特徴とするNMRプローブ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005314902A JP4673188B2 (ja) | 2005-10-28 | 2005-10-28 | 核磁気共鳴装置用のnmrプローブ |
US11/588,368 US7471087B2 (en) | 2005-10-28 | 2006-10-27 | Compensated NMR probe with high Q value for NMR apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005314902A JP4673188B2 (ja) | 2005-10-28 | 2005-10-28 | 核磁気共鳴装置用のnmrプローブ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007121148A JP2007121148A (ja) | 2007-05-17 |
JP4673188B2 true JP4673188B2 (ja) | 2011-04-20 |
Family
ID=37995436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005314902A Expired - Fee Related JP4673188B2 (ja) | 2005-10-28 | 2005-10-28 | 核磁気共鳴装置用のnmrプローブ |
Country Status (2)
Country | Link |
---|---|
US (1) | US7471087B2 (ja) |
JP (1) | JP4673188B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7436182B1 (en) * | 2007-09-21 | 2008-10-14 | Varian, Inc. | Cryogenic NMR probe capacitors with dielectric heat sinks |
EP2875369B1 (en) * | 2012-07-19 | 2023-10-25 | University of Denver | Crossed-loop resonators |
DE102013215918B4 (de) * | 2013-08-12 | 2017-07-27 | Siemens Healthcare Gmbh | Thermostabilisierung einer Antennenanordnung für Magnetresonanztomographie |
DE102014218873B4 (de) | 2014-09-19 | 2019-02-21 | Forschungszentrum Jülich GmbH | Messvorrichtung für schwache elektromagnetische Signale einer Probe bei niedrigen Frequenzen nebst Verfahren |
CN111337867A (zh) * | 2020-03-13 | 2020-06-26 | 上海联影医疗科技有限公司 | 发射线圈及磁共振系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5652253U (ja) * | 1979-09-28 | 1981-05-08 | ||
JPS62298344A (ja) * | 1986-06-18 | 1987-12-25 | 株式会社日立製作所 | 核磁気共鳴を用いた検査装置 |
JPH02124484A (ja) * | 1988-11-02 | 1990-05-11 | Hitachi Ltd | 磁束伝達回路 |
US6121776A (en) * | 1997-08-02 | 2000-09-19 | Bruker Ag | Superconducting hybrid-resonator for receiving NMR-signals |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01181855A (ja) * | 1988-01-13 | 1989-07-19 | Toshiba Corp | 磁気共鳴イメージング装置 |
DE4424842C1 (de) * | 1994-07-14 | 1996-02-01 | Spectrospin Ag | Kompensation von Störfeldern bei NMR-Messungen im Erdmagnetfeld |
DE102004023073B3 (de) * | 2004-05-11 | 2006-01-05 | Bruker Biospin Gmbh | Magnetsystem mit abgeschirmten Regeneratorgehäuse und Verfahren zum Betrieb eines solchen Magnetsystems |
-
2005
- 2005-10-28 JP JP2005314902A patent/JP4673188B2/ja not_active Expired - Fee Related
-
2006
- 2006-10-27 US US11/588,368 patent/US7471087B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5652253U (ja) * | 1979-09-28 | 1981-05-08 | ||
JPS62298344A (ja) * | 1986-06-18 | 1987-12-25 | 株式会社日立製作所 | 核磁気共鳴を用いた検査装置 |
JPH02124484A (ja) * | 1988-11-02 | 1990-05-11 | Hitachi Ltd | 磁束伝達回路 |
US6121776A (en) * | 1997-08-02 | 2000-09-19 | Bruker Ag | Superconducting hybrid-resonator for receiving NMR-signals |
Also Published As
Publication number | Publication date |
---|---|
US20070096741A1 (en) | 2007-05-03 |
JP2007121148A (ja) | 2007-05-17 |
US7471087B2 (en) | 2008-12-30 |
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