FDA Adverse Event Malfunction Summary report: N

CARDIA VR

MDR report key: 2790699 · Received October 15, 2012

Report

Report Number
6000094-2012-02150
Event Type
Malfunction
Date Received
October 15, 2012
Report Date
January 28, 2013
Manufacturer
MEDTRONIC S.A.
Product Code
LWS
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
PL
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

THIS EVENT OCCURRED OUTSIDE THE U.S. ALL INFORMATION PROVIDED IS INCLUDED IN THIS REPORT. IF ADDITIONAL RELEVANT INFORMATION IS RECEIVED, A SUPPLEMENTAL REPORT WILL BE SUBMITTED. PATIENT INFORMATION IS NOT GENERALLY AVAILABLE DUE TO CONFIDENTIALITY CONCERNS. THIS MODEL NUMBER IS NOT APPROVED FOR DISTRIBUTION IN THE UNITED STATES, HOWEVER, IT IS SIMILAR TO A DEVICE MARKETED IN THE U.S. WITHOUT A LOT NUMBER OR DEVICE SERIAL NUMBER, THE MANUFACTURING DATE CANNOT BE DETERMINED. EVALUATION SUMMARY: (B)(4) - THE ACTUAL DEVICE WAS NOT RECEIVED FOR EVALUATION. WE DID RECEIVE PERFORMANCE DATA COLLECTED FROM THE DEVICE AND HAVE ANALYZED THE DATA. TIME OF RECOMMENDED REPLACEMENT (RRT) IN THE SAVE TO DISK ON (B)(4) 2012 DEVICE RRT WAS AT OR BELOW 2.6251 VOLT. THE WEEKLY BATTERY VOLTAGE TREND DATA SHOWS MINIMUM BATTERY OF 2.628 TO 2.608 VOLTS BETWEEN (B)(4) 2012. THERE WERE TWO PATIENT ALERTS FOR LOW BATTERY VOLTAGE ON (B)(4) 2012.

Additional Manufacturer Narrative · 1

EVALUATION SUMMARY: ANALYSIS INITIALLY SHOWED NORMAL CURRENT DRAIN. WHEN THE STACKED CHIP SCALE PACKAGE (SCSP) WAS OPTICALLY INSPECTED, COPPER TRACE ANOMALIES WERE NOTED IN SEVERAL EXPOSED TRACES IN THE SCSP SUBSTRATE. ELECTRICAL SHORTS CONSISTENT WITH THE LOCATION OF THE ANOMALIES WERE SIMULATED ON A SYSTEM BREADBOARD. THE SIMULATIONS RESULTED IN HIGHER THAN NOMINAL CURRENT DRAIN CONSISTENT WITH THE OBSERVED DEPLETED BATTERY. HOWEVER, NO DEFINITIVE CONCLUSION CAN BE MADE FOR THE CAUSE OF FAILURE. THE BATTERY WAS SENT FOR ADDITIONAL ANALYSIS.

Additional Manufacturer Narrative · 1

(B)(4).

Description of Event or Problem · 1

IT WAS REPORTED THAT THE PATIENT WAS DIAGNOSED WITH EXIT BLOCK. NO FURTHER INFORMATION COULD BE PROVIDED ABOUT THE LEAD. THE DEVICE REACHED RECOMMENDED REPLACEMENT TIME (RRT) PREMATURELY. THE DEVICE WAS EXPLANTED AND REPLACED. NO FURTHER PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 CARDIA VR DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER LWS MEDTRONIC S.A. D384VRG

Patients

Seq Age Sex Outcome Treatment
1 Hospitalization| O| R