JP2022020053A - 流体冷却装置を有する磁気共鳴検査システム - Google Patents
流体冷却装置を有する磁気共鳴検査システム Download PDFInfo
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- 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
- G01R33/3403—Means for cooling of the RF coils, e.g. a refrigerator or a cooling vessel specially adapted for housing an RF 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
- G01R33/28—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
- G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
-
- 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
- G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
-
- 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
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field 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
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3856—Means for cooling the gradient coils or thermal shielding of the gradient coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/04—Cooling
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- 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
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
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- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
Description
Claims (10)
- 磁気共鳴検査システムであって、
冷却クライアントと、
前記冷却クライアントと熱連絡し、熱ドレインと熱連絡するシステム冷却回路であって、
前記システム冷却回路内に流体フローを引き起こすために前記システム冷却回路に配置される主ポンプと、
前記システム冷却回路と熱連絡する熱源と、
前記システム冷却回路内の、前記冷却クライアントの上流又は下流に配される遮蔽弁と、
を有するシステム冷却回路と、
を有し、前記システム冷却回路は、前記遮蔽弁に並列な短絡回路を有し、前記熱源は、前記短絡回路と熱連絡するように配されている、磁気共鳴検査システム。 - 前記システム冷却回路内に流体フローをもたらすように前記システム冷却回路内の前記主ポンプに並列に接続されるシステムバックアップポンプを更に有する、請求項1に記載の磁気共鳴検査システム。
- 前記熱ドレインと熱連絡するフロントエンド流体冷却回路を有するチラーと、
前記チラーと前記システム冷却回路との間に配され、前記チラーと前記システム冷却回路との間で熱連絡を確立する熱交換器と、
を有する、請求項1又は2に記載の磁気共鳴検査システム。 - 前記システム冷却回路は、低い粘度の、高い熱容量を有する冷却流体を収容する、請求項1乃至3のいずれか1項に記載の磁気共鳴検査システム。
- 前記システム冷却回路と熱連絡するバックアップヒータを有する、請求項1乃至4のいずれか1項に記載の磁気共鳴検査システム。
- 請求項1乃至5のいずれか1項に記載の磁気共鳴検査システムにおいて冷却クライアントを冷却する方法であって、前記磁気共鳴検査システムはイメージングモード及びスタンバイモードを有し、
前記イメージングモードでは、前記主ポンプがスイッチオンされ、前記バックアップポンプがスイッチオフされ、
前記スタンバイモードでは、前記主ポンプがスイッチオフされ、前記システムバックアップポンプがスイッチオンされる、方法。 - 前記熱源が故障する前記磁気共鳴検査システムの熱障害モードが生じた場合、前記主ポンプ及び前記バックアップポンプが前記スタンバイモードで作動され、任意に前記冷却クライアントの1つがスイッチオンされる、請求項6に記載の方法。
- 前記システムバックアップポンプが故障するバックアップ障害モードが生じた場合、前記主ポンプが前記スタンバイモードに切り替えられる、請求項6に記載の方法。
- 前記主ポンプが故障する主ポンプ障害モードが生じた場合、前記磁気共鳴検査システムは、前記バックアップポンプがスイッチオンされる前記スタンバイモードに切り替えられる、請求項6に記載の方法。
- 請求項5に記載の磁気共鳴検査システムにおいて冷却クライアントを冷却する方法であって、前記磁気共鳴検査システムはイメージングモード及びスタンバイモードを有し、
前記イメージングモードにおいては、前記主ポンプがスイッチオンされ、前記熱源が故障する前記磁気共鳴検査システムの熱障害モードが生じると前記バックアップヒータがスイッチオンされる、方法。
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EP15193700 | 2015-11-09 | ||
PCT/EP2016/076037 WO2017080845A1 (en) | 2015-11-09 | 2016-10-28 | Magnetic resonance examination system with fluid cooling arrangement |
JP2018521656A JP6998302B2 (ja) | 2015-11-09 | 2016-10-28 | 流体冷却装置を有する磁気共鳴検査システム |
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JP6998302B2 (ja) * | 2015-11-09 | 2022-01-18 | コーニンクレッカ フィリップス エヌ ヴェ | 流体冷却装置を有する磁気共鳴検査システム |
US10258435B2 (en) | 2016-10-28 | 2019-04-16 | Rodo Medical, Inc. | Removable and adjustable abutment devices and methods of operation thereof |
US10983185B2 (en) * | 2017-11-22 | 2021-04-20 | General Electric Company | RF coil array for an MRI system |
US11442124B2 (en) | 2019-09-26 | 2022-09-13 | Shanghai United Imaging Healthcare Co., Ltd. | Superconducting magnet |
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US10690734B2 (en) | 2020-06-23 |
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