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CYBERONICS, INC. BIPOL LEAD MODEL 300 Back to Search Results
Model Number 300-20
Event Date 07/22/2008
Event Type  Malfunction  
Event Description

As part of a retrospective complaint review associated with an investigation of low impedance events, the events in this complaint investigation were assessed for the possibility of a short-circuit condition in the implanted lead. Based on clinical symptoms and the diagnostic history of the pt's device, this file was found to be possibly related to a short-circuit condition. It was reported that a vns pt experienced neck pain with stimulation of the device. The magnet was placed over the generator and the pt was evaluated by the neurologist the following day. F/u from the neurologist revealed normal and system diagnostics to be within normal limits. The neurologist reduced the output current and the pt was relieved from neck pain. However, current info may suggest a possible relationship to the short-circuit condition of the implanted lead.

Manufacturer Narrative

Mfr reviewed x-rays of implanted device. X-rays reviewed by the mfr, no gross lead discontinuities visualized. Device failure is suspected, but did not cause or contribute to a death or serious injury.

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Manufacturer (Section D)
houston TX 77058
Manufacturer Contact
nydia grimes
100 cyberonics blvd., ste. 600
houston , TX 77058
MDR Report Key1476474
Report Number1644487-2009-01385
Device Sequence Number1
Product CodeLYJ
Report Source Manufacturer
Source Type Company Representative
Reporter Occupation
Type of Report Initial
Report Date 06/08/2009
1 Device Was Involved in the Event
0 PatientS WERE Involved in the Event:
Date FDA Received07/07/2009
Is This An Adverse Event Report? No
Is This A Product Problem Report? Yes
Device Operator LAY USER/PATIENT
Device MODEL Number300-20
Was Device Available For Evaluation? No
Is The Reporter A Health Professional? Yes
Date Manufacturer Received06/08/2009
Was Device Evaluated By Manufacturer? Device Not Returned To Manufacturer
Is The Device Single Use? Yes
Is this a Reprocessed and Reused Single-Use Device? No
Type of Device Usage Initial