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ENTERTAINMENT SYSTEM FOR USE DURING THE OPERATION OF A MAGNETIC RESONANCE IMAGING DEVICE
专利权人:
发明人:
申请号:
EP10754178.1
公开号:
EP2408365A2
申请日:
2010.03.19
申请国别(地区):
EP
年份:
2012
代理人:
摘要:
An entertainment system for use with a magnetic resonance imaging (MRI) device that includes video glasses and headphones. A Faraday shield encloses the entertainment system to reduce adequately RF signals from entering or leaving the entertainment system. The entertainment system may have non-ferromagnetic RF low-pass filters between parts of the system, such as the control unit and the video glasses, to reduce higher RF signals from entering or leaving those parts. To replace the battery and or entertainment media, a person opens the entertainment systems Faraday shield when not MRI imaging or outside the MRI magnet room. The door has an Faraday shield overlapping the system Faraday shield and making low resistance RF contact. The entertainment system has a minimal amount of ferromagnetic material so that it may operate within the high magnetic field of the MRI magnet bore with minimal performance degradation. The entertainment system uses non-ferromagnetic speakers in the headphone. Passive ear protection and noise cancellation reduce the loud noise of the MRI system heard by the patient to a level where the patient can hear the entertainment. The entertainment system includes a charger for the rechargeable batteries.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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