FDA Adverse Event Malfunction Summary report: N

PROGRAMMING SOFTWARE

MDR report key: 2102227 · Received May 19, 2011

Report

Report Number
1644487-2011-01117
Event Type
Malfunction
Date Received
May 19, 2011
Date of Event
May 3, 2010
Report Date
April 20, 2011
Manufacturer
CYBERONICS, INC.
Product Code
MUZ
PMA / PMN Number
P970003
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
OH, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

METHOD: ANALYSIS OF PROGRAMMING HISTORY (IF APPLICABLE).

Description of Event or Problem · 1

IT WAS INITIALLY REPORTED THAT A PATIENT WAS HAVING PAINFUL STIMULATION, ALTHOUGH THE PAIN WAS NOT PRESENT WITH EVERY STIMULATION. SYSTEM DIAGNOSTICS REVEALED PROPER DEVICE FUNCTION AT THIS TIME AND THE PATIENT'S SETTINGS WERE SAID TO BE 2 MA/20 HZ/250 MICROSEC/30 SEC/5 MIN. FURTHERMORE, WHEN A COMPANY REPRESENTATIVE FOLLOWED UP WITH THE SITE DIAGNOSTICS ON (B)(6) 2010 SHOWED ALL SYSTEMS TO BE PROPERLY FUNCTIONING. IT WAS ON THIS DATE THAT THE DOCTOR DESCRIBED RECEIVING AN ERROR MESSAGE, BUT THE EXACT DETAIL ON THE MESSAGE WAS NOT KNOWN AT THIS TIME. THE REPRESENTATIVE MET WITH THE PATIENT AND DOCTOR AND FOUND THE PATIENT'S SETTINGS TO BE 1 MA/20 HZ/500 MICROSEC/30 SEC/60MIN. SYSTEM DIAGNOSTIC TESTING ON THIS DAY SHOWED PROPER DEVICE FUNCTION. IT WAS EXPLAINED TO THE DOCTOR THAT THESE SETTINGS INDICATED A FAULTED DIAGNOSTIC TEST. ATTEMPTS FOR MORE INFORMATION HAVE BEEN UNSUCCESSFUL TO DATE.

Description of Event or Problem · 1

A REVIEW OF THE PATIENT'S PROGRAMMING HISTORY WAS PERFORMED ON (B)(6) 2012. DURING THIS REVIEW IT WAS OBSERVED THAT A FAULTED SYSTEM DIAGNOSTIC TEST FIRST OCCURRED ON (B)(6) 2010, WHICH RESULTED IN A CHANGE TO THE PATIENT'S SETTINGS. THE OFF TIME WAS LEFT AT 60 MINUTES AND THE MAGNET WAS LEFT AT 1.0MA. IT WAS PREVIOUSLY REPORTED BY THE PHYSICIAN THAT ON (B)(6) 2010, THE PATIENT'S OFF TIME WAS 5 MINUTES, HOWEVER REVIEW OF THE AVAILABLE HISTORY INDICATES THAT THE OFF TIME WAS 60 MINUTES AS IT HAD NOT PREVIOUSLY BEEN CORRECTED. ADDITIONALLY 3 FAULTED TEST OCCURRED ON (B)(6) 2011, WHICH RESULTED IN A CHANGE TO THE PATIENT'S SETTING. AGAIN, THE PATIENT LEFT AT UN-INTENDED SETTINGS AS THE OFF TIME WAS LEFT AT 60MINUTES. THE OFF TIME WAS NOT CORRECTED UNTIL (B)(6) 2011. THE MAGNET APPEARS TO HAVE BEEN INTENTIONALLY ENABLED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 PROGRAMMING SOFTWARE MUZ CYBERONICS, INC. 250 678298

Patients

Seq Age Sex Outcome Treatment
1 60 YR