Planar MR Safety Cables for Biopotential Measurements
A magnetic resonance and safety technology, applied in the direction of measuring magnetic variables, measuring devices, diagnostic recording/measurement, etc., can solve the problems of increasing cable costs and not solving problems, and achieve the effect of reducing microphonic effects and electrostatic effects
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[0029] refer to Figure 1A , schematically illustrates an embodiment of a planar magnetic resonance (MR) safety cable 10 for biopotential measurements in top view. exist Figure 1B , the MR safety cable 10 is shown in cross-sectional view, and in Figure 1C , the MR security cable 10 is shown in side view. The cable 10 is shown with four controlled resistance conductive wires 12 arranged in a common plane and parallel to each other. In other embodiments, the cable can be configured to maintain any number of wires (eg, 4 to 12) in a common plane and parallel to each other. The wires transmit physiological signals, such as ECG signals in a strong magnetic field. The strong magnetic field can be that of a Magnetic Resonance Imaging (MRI) scanner. In one embodiment, the controlled resistance conductive lines include a distance 16 of at least 4mm between adjacent lines, although other distances are contemplated.
[0030] The cable 10 includes a rigid planar substrate 14 that ...
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