JP2005512704A - Mri機器の電磁場内で使用される電子装置 - Google Patents
Mri機器の電磁場内で使用される電子装置 Download PDFInfo
- Publication number
- JP2005512704A JP2005512704A JP2003555227A JP2003555227A JP2005512704A JP 2005512704 A JP2005512704 A JP 2005512704A JP 2003555227 A JP2003555227 A JP 2003555227A JP 2003555227 A JP2003555227 A JP 2003555227A JP 2005512704 A JP2005512704 A JP 2005512704A
- Authority
- JP
- Japan
- Prior art keywords
- electronic device
- imaging volume
- mri
- shielding layer
- shielding
- 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.)
- Pending
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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
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
Claims (5)
- 医用MRI機器の撮像体積の中又は近傍の電磁場内で用いられる電子装置であって、
前記装置は、前記装置から前記撮像体積への電磁放射に対する遮蔽を与える保護層を具備したエンベロープ中に配置され、前記エンベロープは更に妨害的な渦電流の源を構成しないことを特徴とする、電子装置。 - 前記遮蔽層は、0.05Ωmよりも低い抵抗率を有する材料から作られ、前記遮蔽層は、40μmよりも小さい厚さを有し、前記遮蔽層の全表面積は100cm2よりも小さい、請求項1記載の電子装置。
- 前記装置は電子的な目的用のプリント回路基板から作られる筐体内に収容される、請求項2記載の電子装置。
- 前記装置は、高周波搬送波を介して前記撮像体積外の領域への信号接続を維持するようにされる、請求項1乃至3のうちいずれか一項記載の電子装置。
- 所定の値よりも夫々短い互いに分離されたセグメントを有する接続ケーブルが設けられ、前記セグメント間の分離は、低周波電流に対しては導体を無線周波交流に対しては絶縁体を形成する周波数依存分離素子によって与えられる、請求項1乃至4のうちいずれか一項記載の電子装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01205139 | 2001-12-21 | ||
PCT/IB2002/005652 WO2003054568A1 (en) | 2001-12-21 | 2002-12-19 | Electronic device for use in electromagnetic fields of an mri apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005512704A true JP2005512704A (ja) | 2005-05-12 |
Family
ID=8181533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003555227A Pending JP2005512704A (ja) | 2001-12-21 | 2002-12-19 | Mri機器の電磁場内で使用される電子装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050104590A1 (ja) |
EP (1) | EP1456681B1 (ja) |
JP (1) | JP2005512704A (ja) |
CN (1) | CN100409023C (ja) |
AT (1) | ATE395609T1 (ja) |
AU (1) | AU2002366911A1 (ja) |
DE (1) | DE60226638D1 (ja) |
WO (1) | WO2003054568A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013513410A (ja) * | 2009-12-10 | 2013-04-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 高周波遮蔽若しくはエンクロージャを持つ磁気共鳴対応電気機器 |
WO2015042138A1 (en) * | 2013-09-17 | 2015-03-26 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus for obtaining high-quality optical images in a magnetic resonance imaging system |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7053617B2 (en) * | 2003-10-01 | 2006-05-30 | General Electric Co. | Integrated electronic RF shielding apparatus for an MRI magnet |
US7449886B2 (en) * | 2004-11-18 | 2008-11-11 | General Electric Company | MR receiver assembly having readout cables capable of multiple channel transmissions |
DE102006058329B4 (de) * | 2006-12-11 | 2010-01-07 | Siemens Ag | Magnetresonanzsystem mit einer Hochfrequenzabschirmung |
CA2684326A1 (en) * | 2007-04-16 | 2009-04-23 | Neuroarm Surgical Ltd. | Methods, devices, and systems relating to cameras configured to be positioned within the bore of a magnet and mr bore space illumination |
US9599683B2 (en) | 2011-11-18 | 2017-03-21 | Uwm Research Foundation, Inc. | Ceramic camera for MRI |
WO2014134424A2 (en) * | 2013-02-28 | 2014-09-04 | The Johns Hopkins University | Magnetic resonance triggering system wiring for dynamic imaging |
CN111417436B (zh) * | 2019-02-02 | 2022-07-15 | 上海联影医疗科技股份有限公司 | 放射治疗系统和方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE33505E (en) * | 1984-12-17 | 1990-12-25 | Nmr Associates, Ltd. 1983-I | Scan room for magnetic resonance imager |
US4830012A (en) * | 1987-08-14 | 1989-05-16 | Duke University | High speed NMR imaging method and apparatus |
US5159929A (en) * | 1990-06-14 | 1992-11-03 | Morris G Ronald | Insulated rf shield |
FR2669754A1 (fr) * | 1990-11-23 | 1992-05-29 | Odam | Moniteur de surveillance des parametres physiologiques vitaux d'un patient en cours d'examen dit irm. |
US5184074A (en) * | 1991-02-04 | 1993-02-02 | The Regents Of The University Of California | Real-time mr imaging inside gantry room |
US5494036A (en) * | 1993-11-26 | 1996-02-27 | Medrad, Inc. | Patient infusion system for use with MRI |
CN2318656Y (zh) * | 1997-09-09 | 1999-05-12 | 深圳安科高技术有限公司 | 一种摄像装置 |
US6198285B1 (en) * | 1997-11-28 | 2001-03-06 | Hitachi Medical Corporation | In-room MRI display terminal and remote control system |
EP1105966B1 (en) * | 1999-06-14 | 2005-11-09 | Koninklijke Philips Electronics N.V. | Mri apparatus provided with anti-interference supply conductors for electrical connection equipment |
-
2002
- 2002-12-19 CN CNB028258703A patent/CN100409023C/zh not_active Expired - Fee Related
- 2002-12-19 EP EP02790625A patent/EP1456681B1/en not_active Expired - Lifetime
- 2002-12-19 DE DE60226638T patent/DE60226638D1/de not_active Expired - Fee Related
- 2002-12-19 JP JP2003555227A patent/JP2005512704A/ja active Pending
- 2002-12-19 WO PCT/IB2002/005652 patent/WO2003054568A1/en active IP Right Grant
- 2002-12-19 AT AT02790625T patent/ATE395609T1/de not_active IP Right Cessation
- 2002-12-19 AU AU2002366911A patent/AU2002366911A1/en not_active Abandoned
- 2002-12-19 US US10/498,719 patent/US20050104590A1/en not_active Abandoned
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013513410A (ja) * | 2009-12-10 | 2013-04-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 高周波遮蔽若しくはエンクロージャを持つ磁気共鳴対応電気機器 |
WO2015042138A1 (en) * | 2013-09-17 | 2015-03-26 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus for obtaining high-quality optical images in a magnetic resonance imaging system |
US10058248B2 (en) | 2013-09-17 | 2018-08-28 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus for obtaining high-quality optical images in a magnetic resonance imaging system |
Also Published As
Publication number | Publication date |
---|---|
WO2003054568A1 (en) | 2003-07-03 |
CN1608208A (zh) | 2005-04-20 |
EP1456681A1 (en) | 2004-09-15 |
EP1456681B1 (en) | 2008-05-14 |
US20050104590A1 (en) | 2005-05-19 |
DE60226638D1 (de) | 2008-06-26 |
CN100409023C (zh) | 2008-08-06 |
ATE395609T1 (de) | 2008-05-15 |
AU2002366911A1 (en) | 2003-07-09 |
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