Surface electrode design that can be left in place during MR imaging
US9414759B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2011 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Feb 4, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/0223
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
For use in MR imaging of a patient a plurality of surface electrodes such as ECG or defibrillator are provided for obtaining electrical signals for determining electrical activity within the body of the patient and remain in place during the MR imaging. The surface electrodes include a quick disconnect wire for carrying the signals to a signal processing system to be removed during the MR imaging to prevent heating. Each electrode comprises a conductive layer divided by slits into separate side by side sections to reduce eddy currents which are induced in the surface electrodes when they are exposed to variations in the magnetic field. The sections all are connected through the layer to the conductive location to allow the signal therefrom to be connected to the communication conductor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.