NMR may damage cochlear implants

Release date: 2009-01-06




According to a recent study published by the University of Hannover and the Vanderbilt University Medical Center research team, patients with cochlear implants may be away from certain nuclear magnetic resonance (MRI) devices, such as 3T MRI because of it. It may damage the cochlear implant.
The researchers found that if the angle of the daily 3D MRI machine exceeds 80 degrees, an unacceptable level of demagnetization will result, causing damage to the implant and language processor of the cochlear implant patient. Permanent damage and poor magnetic field force.
The 3T MRI scanner is a new generation of MRI scanners with more power than a 1.5T MRI scanner. The results of this study indicate that when a MRI scan is performed on a cochlear implant, the 3T MRI should be used only when the 1.5T machine is not available. Shanghai Medical Device Industry Association

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