Model Number CI-1400-01 |
Device Problems
Appropriate Term/Code Not Available (3191); Noise, Audible (3273)
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Patient Problem
No Information (3190)
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Event Date 05/07/2020 |
Event Type
malfunction
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Event Description
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The recipient is reportedly experiencing overly loud sound.External equipment was exchanged and programming adjustments were made, however, the issue did not resolve.Revision surgery will be scheduled.
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Manufacturer Narrative
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The recipient's device was reportedly explanted.The recipient was reimplanted with another advanced bionics cochlear device.
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Manufacturer Narrative
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Advanced bionics considers the investigation into this reportable event as closed.The external visual inspection revealed the electrode was severed prior to receipt.This is believed to have occurred during revision surgery.The photographic imaging inspection confirmed cut electrode wires.This is believed to have occurred during revision surgery.System lock was verified.The electrode condition prevented some electrical tests performed.The device passed the electrical and mechanical tests performed.The failure of this device is attributed to a short from the power node to the case ground at the analog chip.It is believed that electrostatic discharge (esd) led to an overload voltage, damaging structures on the case 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.Disclaimer: advanced bionics does not intend that this report be any admission of liability, fault or product defect.
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