FDA Adverse Event Malfunction Summary report: N

LEAD MODEL 302

MDR report key: 1022732 · Received March 27, 2008

Report

Report Number
1644487-2008-00783
Event Type
Malfunction
Date Received
March 27, 2008
Date of Event
March 5, 2008
Report Date
March 5, 2008
Manufacturer
CYBERONICS, INC.
Product Code
LYJ
PMA / PMN Number
P970003
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
MI, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

METHOD - MFR REVIEWED X-RAYS OF IMPLANTED DEVICE. RESULTS - X-RAYS REVIEWED BY THE MFR, ALTHOUGH NO GROSS LEAD DISCONTINUITIES VISUALIZED, IT COULD NOT BE CONFIRMED THAT THE LEAD PIN WAS FULLY INSERTED, THE STRAIN RELIEF APPEARED IN ADEQUATE, NO TIE DOWNS WERE VISIBLE, AND THE ORIENTATION OF THE ELECTRODES APPEARED ATYPICAL. CONCLUSIONS - DEVICE FAILURE IS SUSPECTED, BUT DID NOT CAUSE OR CONTRIBUTE TO A DEATH OR SERIOUS INJURY.

Description of Event or Problem · 1

REPORTER INDICATED THAT DIAGNOSTIC TESTS INDICATED HIGH LEAD IMPEDANCE. IT WAS REPORTED THAT THE PT HAD EXPERIENCED AN INCREASE IN SEIZURES, WHICH WERE AT PRE-VNS BASELINE LEVELS. IT WAS ALSO REPORTED THAT THE PT FALLS "QUITE A BIT". X-RAYS WERE REVIEWED BY THE MFR, AND IT COULD NOT BE CONFIRMED THAT THE LEAD PIN WAS FULLY INSERTED. ADDITIONALLY, THE STRAIN RELIEF WAS NOT PLACED ACCORDING TO LABELING WITH A SHARP ANGLE BELOW THE POSITIVE ELECTRODE, NO TIE-DOWNS WERE VISIBLE, AND THE ELECTRODES DID NOT APPEAR TO BE IN THE TYPICALLY OBSERVED ORIENTATION. REVISION SURGERY IS LIKELY.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 LEAD MODEL 302 LYJ CYBERONICS, INC. 302-20 200437

Patients

Seq Age Sex Outcome Treatment
1 Other