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Operation Manual of Cochlear Implant
MRI
Nurotron cochlear implant CS-10A is MR Conditional. Before MRI examination, the patient
should clearly inform Nurotron of which MRI examination is to be performed. The patient can
contact local Nurotron staff or Nurotron clinical personnel through customer service hotline (+86)
400-6333571 (China Headquarter), or (+34) 932547930 (European Representative). Before MRI,
the patients should see their implantation surgeon to make sure they are safe to take MRI
examination.
MRI Warnings
Do not allow patients with a CS-10A cochlear implant to be in the area of an MRI scanner unless
the following conditions have been met:
●
The external sound processor and headpiece are removed before entering a room where an MRI
scanner is located.
●
Patient has no fever.
●
For 3T MRI, implant magnet should be removed by a qualified surgeon.
●
For 1.5T MRI with implant magnet in position, the bandaging procedure in Nurotron’s MRI
safety information should be followed, to avoid magnet movement, patient discomfort, or trauma
and pain to the patient.
●
Caution: The bandaging procedure in Nurotron’s MRI safety information was developed to
prevent magnet displacement and counteract magnet torque during a 1.5T MRI procedure, but
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Influence of Other Medical / Surgical Methods
This part (for wearer of Nurotron cochlear implant) mainly describes the daily precautions and
directions for the use of Nurotron cochlear system.
Wearers shall pay attention to following aspects in daily life:
CS-10A series cochlear implant is MRI Conditional for 1.5T or 3.0T closed
bore MRI scanning. There is a small chance that during MRI, the implant
magnet could dislocate from the retainer implant if not properly bonded; the
magnet strength may change; Patients may feel discomfort or pain at the
implant site. The magnet and the titanium case shell of implant cause artifact
(please see pictures below). 1.5T MRI can be performed with the implant
magnet in place if the bandaging procedure of implant magnet is followed. For
3T MRI, the implant magnet must be removed by a qualified surgeon.
Part
II
Patients’ Manual
