Model Number CI-1400-02H |
Device Problem
Fitting Problem (2183)
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Patient Problem
No Known Impact Or Consequence To Patient (2692)
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Event Date 04/30/2018 |
Event Type
malfunction
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Event Description
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The recipient reportedly experienced loss of lock.External equipment was exchanged, however, the issue did not resolve.The recipient's device was explanted.The recipient was reimplanted with another advanced bionics cochlear device.
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Manufacturer Narrative
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The external visual inspection revealed the electrode was severed near the electrode ground ring prior to receipt.This is believed to have occurred during revision surgery.The device passed the photographic imaging inspection.System lock could not be obtained at any spacing.The no lock condition prevented some of the electrical tests from being performed.The device passed an electrical test performed.The device passed the mechanical tests performed.The failure of this device is attributed to a short from power node to the electrode ground case at the analog chip.It is believed that electrostatic discharge (esd) led to an overload voltage, damaging structures on the electrode ground node inside the analog integrated circuit.This ultimately caused the device to cease functioning.A corrective action was implemented.This is the final report.
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Event Description
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The recipient reportedly experienced loss of lock.External equipment was exchanged and programming adjustments were made, however, the issue did not resolve.The recipient's device was explanted.The recipient was reimplanted with another advanced bionics cochlear device.
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Search Alerts/Recalls
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