Planar MR Safety Cables for Biopotential Measurements

Abstract

A magnetic resonance (MR) safety cable (10) comprising: four or more controlled resistance conductive wires (12) arranged in a parallel plane configuration; and a hard non-proton emitting substrate (14), It maintains the four or more controlled resistance conductive lines in the parallel plane configuration. The wire (12) terminates at one end in a connector electrically connected to ECG electrodes (64) attached to the subject. The cable is configured to extend one end into the imaging region of the MR scanner (62) to carry ECG signals to associated equipment during imaging.

Description

technical field [0001] The following generally relates to magnetic resonance (MR) imaging. It finds particular application in connection with electrocardiography (ECG) during MR imaging and will be described with particular reference thereto. However, it should be understood that it is also applicable to other use cases and is not necessarily limited to the aforementioned applications. Background technique [0002] MR imaging often involves biopotential measurements, such as ECG monitoring during imaging procedures. The ability to monitor the patient for vital signs with an ECG or other monitor during the MR procedure to ensure patient health. An ECG monitor can be used in MR imaging as a trigger or gate for image acquisition. For example, the images can be triggered such that the subject's heart only shows cardiac motion artifacts in the image in a particular phase or in its compensated image. [0003] ECG monitoring uses electrodes attached to the patient at various po...

AI Technical Summary

Problems solved by technology

However, these methods still struggle with crosstalk between wires that are braided or twisted together, and do not solve the problems caused by looping of wires

Also, twisting or braiding of wires and adding components such as shielding add to the cost of the cable

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