首页>
外国专利>
Rf safe interventional or non interventional instrument for use in an mri apparatus
Rf safe interventional or non interventional instrument for use in an mri apparatus
展开▼
机译:用于MRI设备的射频安全介入或非介入器械
展开▼
页面导航
摘要
著录项
相似文献
摘要
pAn RF safe interventional or a non interventional instrument is disclosed for use during an MR imaging or MR examination of an examination object (A) which instrument is made of or comprises at least one longitudinal or elongated electrically conductive element (1 3) especially in the form of a conductor or wire or line for feeding electrical signals or in the form of the instrument itself or a component or a part thereof which is not provided for feeding electrical signals but nevertheless electrically conductive wherein all such elements are subject to RF common mode currents which are induced in the element when the instrument or element is exposed to an RF/MR excitation field generated during MR imaging or MR examination by means of an MR imaging apparatus. The instrument is made RF safe by increasing the energy loss of an oscillator which is represented by the conductor (1 3) by means of a damping element (4; 6) in order to prevent or limit RF heating of the examination object (A) at or surrounding the conductor (1 3)./p
展开▼