JP4719438B2 - 円筒状のmriシステム内のmri患者ボアに対する能動的冷却のための装置 - Google Patents
円筒状のmriシステム内のmri患者ボアに対する能動的冷却のための装置 Download PDFInfo
- Publication number
- JP4719438B2 JP4719438B2 JP2004230068A JP2004230068A JP4719438B2 JP 4719438 B2 JP4719438 B2 JP 4719438B2 JP 2004230068 A JP2004230068 A JP 2004230068A JP 2004230068 A JP2004230068 A JP 2004230068A JP 4719438 B2 JP4719438 B2 JP 4719438B2
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- Prior art keywords
- coil
- patient
- cooling
- coolant
- patient bore
- 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.)
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- 238000001816 cooling Methods 0.000 title claims description 33
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 238000003384 imaging method Methods 0.000 claims description 11
- 239000002826 coolant Substances 0.000 description 31
- 238000002595 magnetic resonance imaging Methods 0.000 description 13
- 239000012530 fluid Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 230000005415 magnetization Effects 0.000 description 8
- 239000004593 Epoxy Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 239000012809 cooling fluid Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 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
- G01R33/34015—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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to 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
- G01R33/32—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
- H01F7/202—Electromagnets for high magnetic field strength
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid
Description
114 傾斜コイル
116 マグネット
123 エポキシ様材料の層
125 エポキシ様材料の層
130 RFコイル
131 内側円筒
132 外側円筒
133 長手方向スペーサ
134 冷却材通路
135 スペーサ
140 患者ボア表面
200 MRIイメージング・システム
214 傾斜コイル
216 マグネット
223 エポキシ層
225 エポキシ層
230 RFマグネット・コイル
232 冷却用チューブ
240 患者ボア表面
314 傾斜コイル
316 マグネット
325 エポキシ層
330 RFコイル
332 冷却用チューブ
340 患者ボア・エンクロージャ
Claims (1)
- 円筒状のMRイメージング・システム内のRFコイル(330)向けの患者ボア冷却アセンブリであって、
内側表面を有する全体として円筒状のRFコイル(330)と、
前記RFコイル(330)に装着した複数の冷却用チャンネル(332)と、
を備え、
前記複数の冷却用チャンネルがさらに、
前記RFコイル(130)の内側表面に装着した外側円筒(132)と、
前記外側円筒(132)と同心状とした内側円筒(131)と、
前記内側円筒(131)から半径方向で外方に延びると共に前記外側円筒(132)に装着されている複数の長手方向スペーサ(133)と、
を備えている、患者ボア冷却アセンブリ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/604,654 US7015692B2 (en) | 2003-08-07 | 2003-08-07 | Apparatus for active cooling of an MRI patient bore in cylindrical MRI systems |
US10/604,654 | 2003-08-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005052658A JP2005052658A (ja) | 2005-03-03 |
JP2005052658A5 JP2005052658A5 (ja) | 2007-09-20 |
JP4719438B2 true JP4719438B2 (ja) | 2011-07-06 |
Family
ID=32962801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004230068A Active JP4719438B2 (ja) | 2003-08-07 | 2004-08-06 | 円筒状のmriシステム内のmri患者ボアに対する能動的冷却のための装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7015692B2 (ja) |
JP (1) | JP4719438B2 (ja) |
CN (1) | CN100398060C (ja) |
DE (1) | DE102004038237B4 (ja) |
GB (1) | GB2405480B (ja) |
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- 2004-07-30 GB GB0417095A patent/GB2405480B/en not_active Expired - Fee Related
- 2004-08-05 DE DE102004038237A patent/DE102004038237B4/de active Active
- 2004-08-06 CN CNB2004100563987A patent/CN100398060C/zh active Active
- 2004-08-06 JP JP2004230068A patent/JP4719438B2/ja active Active
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JPS6079149U (ja) * | 1983-11-04 | 1985-06-01 | 横河メデイカルシステム株式会社 | 計算機トモグラフイ装置の送受信コイル |
JPH06189932A (ja) * | 1992-09-08 | 1994-07-12 | Toshiba Corp | 磁気共鳴イメージング装置 |
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JP2001046353A (ja) * | 1999-08-12 | 2001-02-20 | Toshiba Corp | 傾斜磁場コイル装置、高周波磁場コイル及びそれらを備えた磁気共鳴診断装置 |
Also Published As
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GB2405480A (en) | 2005-03-02 |
DE102004038237A1 (de) | 2005-03-03 |
CN1623504A (zh) | 2005-06-08 |
GB0417095D0 (en) | 2004-09-01 |
JP2005052658A (ja) | 2005-03-03 |
GB2405480B (en) | 2007-06-27 |
US20050030028A1 (en) | 2005-02-10 |
US7015692B2 (en) | 2006-03-21 |
CN100398060C (zh) | 2008-07-02 |
DE102004038237B4 (de) | 2013-10-02 |
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