JP2010508908A - Mriで使用される分極試料ための方法およびデバイス - Google Patents
Mriで使用される分極試料ための方法およびデバイス Download PDFInfo
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Abstract
【選択図】図3
Description
2 クライオスタット
3 分極手段
3a マイクロ波室
3b 導波管
3c マイクロ波源
4 光ファイバ
5 超伝導磁石
6 中心開口部
7 試料輸送管
9 試料保持カップ
10 He注入管
11 抽出管
14、23、27 弁
15 溶解分極材料用ユニット
16 中空体
17 撹拌手段
19 ブレード
20 永久磁石
21 溶媒
25 出口
28 コンピュータ
100 分極サブシステム、抽出システム
110 容器
120 材料搬送ライン
130 スキャナ
140 被験者
150 システム
200 クライオスタット構造
210 冷却デバイス、コールドフィンガ
220 第1の冷却ステージ、予冷ステージ
230 第2の冷却ステージ
240 冷却板
250 中間冷却リンク
260 磁石冷却システム
Claims (27)
- 核磁気共鳴(NMR)または磁気共鳴イメージング(MRI)システムで使用される過分極試料を作製する装置であって、
選択された材料の試料の分極に使用される無寒剤クライオスタット構造を具備し、このクライオスタット構造が
真空排気された真空領域を生成するように適合された中心開口部と、
前記中心開口部に挿入され、前記試料を選択した温度に維持する冷却デバイスとを備える、装置。 - 前記冷却デバイスが、コールドヘッドデバイス、コールドフィンガ、蓄冷材で構築されたデバイス、およびその組み合わせからなるグループから選択されることを特徴とする請求項1記載の装置。
- 前記蓄冷材が1.2K未満に冷却する力を生成するように選択された材料で構築されることを特徴とする請求項2記載の装置。
- 前記コールドフィンガの先端に取り付けられて温度1K未満に冷却する力をもたらす密閉されたボルテックス型冷却器をさらに備えることを特徴とする請求項2記載の装置。
- 前記蓄冷材が、磁性蓄冷材、酸化物セラミックス蓄冷材、セラミック型高cp材、およびその組み合わせからなるグループから選択されることを特徴とする請求項3記載の装置。
- 前記冷却デバイスがGD1.5Al0.5O3で構築された冷却器であることを特徴とする請求項1記載の装置。
- 前記クライオスタット構造がさらに、
前記開口部を取り囲む磁場発生デバイスを備え、前記磁場発生デバイスが前記分極システム内に選択された磁場を維持するように構成されることを特徴とする請求項1記載の装置。 - 前記中心開口部が真空領域を生成するためにシール可能であることを特徴とする請求項1記載の装置。
- 前記過分極試料が核磁気共鳴(NMR)分析に使用されることを特徴とする請求項1記載の装置。
- 前記過分極試料が生体内MRイメージング用途に使用されることを特徴とする請求項1記載の装置。
- 前記過分極試料が最終使用の前にNMRを使用して分析されることを特徴とする請求項1記載の装置。
- 前記試料の段階的冷却を行うための第1の冷却ステージおよび第2の冷却ステージをさらに備えることを特徴とする請求項1記載の装置。
- 前記第1の冷却ステージがNMRシステムの冷却器を備えることを特徴とする請求項12記載の装置。
- 前記第2の冷却ステージが、
冷却板と、
MRIシステムの磁石冷却システムへの冷却リンクとを備え、前記冷却板および冷却リンクが前記選択された材料を所望の温度にするための追加の冷却を行うことを特徴とする請求項12記載の装置。 - 磁気共鳴イメージング(MRI)または核磁気共鳴(NMR)システムのうちの1つで使用される過分極試料を作製する方法であって、
選択された材料の固体試料の分極に使用されるクライオスタット構造を提供することを含み、前記クライオスタット構造が、
分極サブシステムを含み、真空領域を生成するように構成された開口部と、
前記開口部内または適宜に前記開口部に隣接するように挿入されて、前記試料を選択された温度に維持する冷却デバイスとを備える、方法。 - 前記冷却デバイスが、二段ステージ・コールドヘッドデバイス、コールドフィンガ、蓄冷材で構築されたデバイス、およびその組み合わせからなるグループから選択されることを特徴とする請求項15記載の方法。
- 前記蓄冷材が1.2K未満に冷却する力を生成するように選択された材料で構築されることを特徴とする請求項16記載の方法。
- 前記蓄冷材が、磁性蓄冷材、酸化物セラミックス蓄冷材、セラミック型高cp材、およびその組み合わせからなるグループから選択されることを特徴とする請求項17記載の方法。
- 前記冷却デバイスがGD1.5Al0.5O3で構築された冷却器であることを特徴とする請求項15記載の方法。
- 前記クライオスタット構造がさらに、
前記開口部を取り囲む磁場発生デバイスを備え、前記磁場発生デバイスが前記分極システム内に選択された磁場を維持するように構成されることを特徴とする請求項15記載の方法。 - 前記開口部を排気し、シールして、前記真空領域を生成するステップをさらに含むことを特徴とする請求項15記載の方法。
- 核磁気共鳴(NMR)分析デバイスを使用して前記過分極試料を分析するステップをさらに含むことを特徴とする請求項15記載の方法。
- 前記過分極試料を生体内MRイメージング用途のために被験者に投与するステップをさらに含むことを特徴とする請求項15記載の方法。
- 前記クライオスタット構造が前記試料の段階的冷却を行うための第1の冷却ステージおよび第2の冷却ステージをさらに含むことを特徴とする請求項15記載の方法。
- 前記第1の冷却ステージが、前記NMRシステムの超導電磁石を取り囲む熱シールドを冷却し、前記冷却デバイスを予冷するための前記NMRシステムの冷却器を備えることを特徴とする請求項24記載の方法。
- 前記第2の冷却ステージが前記超導電磁石を冷却するための前記NMRシステムの冷却器を備えることを特徴とする請求項25記載の方法。
- 核磁気共鳴(NMR)で使用される過分極試料を作製する装置であって、
選択された材料の試料の分極に使用される無寒剤クライオスタット構造を備え、前記クライオスタット構造が
真空排気されて真空領域を生成するように適合された中心開口部と、
前記中心開口部に近接したNMR真空空間内に挿入される冷却器とを備える、装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/591,846 US7631507B2 (en) | 2006-11-02 | 2006-11-02 | Methods and devices for polarized samples for use in MRI |
US11/591,846 | 2006-11-02 | ||
PCT/US2007/081736 WO2008060803A2 (en) | 2006-11-02 | 2007-10-18 | Method and apparatus for producing hyperpolarized samples for use in magnetic resonance |
Publications (3)
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JP2010508908A true JP2010508908A (ja) | 2010-03-25 |
JP2010508908A5 JP2010508908A5 (ja) | 2011-01-06 |
JP5302893B2 JP5302893B2 (ja) | 2013-10-02 |
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JP (1) | JP5302893B2 (ja) |
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GB0605031D0 (en) * | 2006-03-13 | 2006-04-19 | Oxford Instr Molecular Biotool | NMR inspection apparatus |
JP4468388B2 (ja) * | 2007-02-05 | 2010-05-26 | 株式会社日立製作所 | 磁場発生器 |
EP2028505A3 (en) * | 2007-08-24 | 2010-03-17 | Oxford Instruments Molecular Biotools Ltd. | Coolant assembly of a DNP apparatus |
WO2009089007A2 (en) * | 2008-01-08 | 2009-07-16 | The University Of Georgia Research Foundation, Inc. | Upper stack for a nuclear magnetic resonance spectrometer apparatus and associated method of operating a nuclear magnetic resonance spectrometer apparatus |
US8516834B2 (en) * | 2008-08-14 | 2013-08-27 | S2 Corporation | Apparatus and methods for improving vibration isolation, thermal dampening, and optical access in cryogenic refrigerators |
WO2010020776A2 (en) * | 2008-08-19 | 2010-02-25 | Oxford Instruments Molecular Biotools Limited | Dynamic nuclear polarisation system |
EP2473198A4 (en) * | 2009-08-31 | 2015-06-24 | Millikelvin Technologies Llc | SYSTEMS AND METHODS FOR PRODUCING HYPERPOLARIZED MATERIALS AND MIXTURES THEREOF |
US8427161B2 (en) * | 2009-12-18 | 2013-04-23 | General Electric Company | Method and apparatus for generating hyperpolarized materials |
EP2343568A1 (en) * | 2009-12-30 | 2011-07-13 | Koninklijke Philips Electronics N.V. | Dynamic nuclear polarization apparatus with sample transport system |
US9234691B2 (en) * | 2010-03-11 | 2016-01-12 | Quantum Design International, Inc. | Method and apparatus for controlling temperature in a cryocooled cryostat using static and moving gas |
US8970217B1 (en) | 2010-04-14 | 2015-03-03 | Hypres, Inc. | System and method for noise reduction in magnetic resonance imaging |
DE102010017568B4 (de) * | 2010-06-24 | 2012-09-13 | Johann Wolfgang Goethe-Universität Frankfurt am Main | Hyperpolarisationseinrichtung und Verfahren zur Verabreichung eines hyperpolarisierten flüssigen Kontrastmittels |
WO2012066542A1 (en) * | 2010-11-16 | 2012-05-24 | Aspect Magnet Technologies Ltd. | System and method for generating invasively hyperpolarized images |
US9945918B2 (en) * | 2011-12-23 | 2018-04-17 | Stichting Katholieke Universiteit | Rapid cycle dynamic nuclear polarization magnetic resonance apparatus |
US9329246B2 (en) * | 2012-10-03 | 2016-05-03 | Bruker Biospin Ag | Method for hyperpolarization transfer in the liquid state |
US9642924B2 (en) | 2013-08-29 | 2017-05-09 | Duke University | Contrast agents based on long-lived nuclear singlet states and related methods |
DE102013219453B8 (de) * | 2013-09-26 | 2014-10-02 | Bruker Biospin Ag | DNP-Vorrichtung |
US10088536B2 (en) * | 2015-03-27 | 2018-10-02 | Bruker Biospin Corporation | Sample introduction system and method for polarization |
US10481222B2 (en) | 2017-07-24 | 2019-11-19 | General Electric Company | Fluid path insert for a cryogenic cooling system |
US10520561B2 (en) * | 2017-09-27 | 2019-12-31 | General Electric Company | System and method for hyperpolarizing a substance and quenching radicals therein |
US11035807B2 (en) * | 2018-03-07 | 2021-06-15 | General Electric Company | Thermal interposer for a cryogenic cooling system |
GB2576185B (en) * | 2018-08-08 | 2022-07-20 | Oxford Instruments Nanotechnology Tools Ltd | Noise reduction method for a cryogenic cooling system |
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JP2002188866A (ja) * | 2000-12-18 | 2002-07-05 | Toshiba Corp | 蓄冷材およびそれを用いた冷凍機 |
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US20080104966A1 (en) | 2008-05-08 |
JP5302893B2 (ja) | 2013-10-02 |
GB0907173D0 (en) | 2009-06-10 |
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WO2008060803A3 (en) | 2008-08-21 |
US7631507B2 (en) | 2009-12-15 |
DE112007002589T5 (de) | 2009-09-10 |
GB2456097A (en) | 2009-07-08 |
DE112007002589B4 (de) | 2017-12-28 |
GB2456097B (en) | 2010-04-28 |
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