FDA Adverse Event Malfunction Summary report: N

HEARTWARE VENTRICULAR ASSIST SYSTEM- BATTERY

MDR report key: 7633896 · Received June 25, 2018

Report

Report Number
3007042319-2018-02688
Event Type
Malfunction
Date Received
June 25, 2018
Date of Event
May 24, 2018
Report Date
June 25, 2018
Manufacturer
HEARTWARE, INC.
Product Code
DSQ
UDI-DI
00888707000369
PMA / PMN Number
P100047
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
PA, US
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 0

CORRECTION: H2, H3. PRODUCT EVENT SUMMARY: THE BATTERY (B)(4) WAS RETURNED FOR EVALUATION. VARIOUS ANALYSES WERE CONDUCTED AND REVIEWED IN ORDER TO EVALUATE THE PERFORMANCE OF THE DEVICE IN RELATION TO THE REPORTED EVENT. FAILURE ANALYSIS OF THE RETURNED DEVICE REVEALED THAT THE DEVICE PASSED VISUAL EXAMINATION. FUNCTIONAL TESTING REVEALED THAT THE BATTERY WAS UNABLE TO CHARGE DUE TO A FLAG. FURTHER ANALYSIS REVEALED THAT THE FLAG WAS DUE TO AN OVER-VOLTAGE FAULT BY THE ANALOG FRONT END (AFE) THAT WAS TRIGGERED WHEN A CELL PAIR INCREASED ABOVE THE VOLTAGE THRESHOLD. WHEN AN OVER-VOLTAGE FAULT OCCURS, THE BATTERY IS UNABLE TO CHARGE BUT CAN STILL PROVIDE POWER. THE BATTERY CHARGER STATUS INDICATOR WILL FLASH RED AFTER EIGHT (8) HOURS DUE TO A CHARGE TIME-OUT. THE FLAG WAS REMOVED AFTER ALLOWING THE BATTERY TO DISCHARGE, CAUSING THE VOLTAGE TO DECREASE BELOW THE VOLTAGE THRESHOLD. AS A RESULT, THE REPORTED EVENT WAS CONFIRMED. THE MOST LIKELY ROOT CAUSE OF THE REPORTED EVENT CAN BE ATTRIBUTED TO AN OVER-VOLTAGE FAULT BY THE ANALOG FRONT END (AFE) INTEGRATED CIRCUIT. MEDTRONIC, INC. (MEDTRONIC) IS SUBMITTING THIS REPORT TO COMPLY WITH 21 C.F.R. PART 803, THE MEDICAL DEVICE REPORTING REGULATION. THIS REPORT IS BASED UPON INFORMATION OBTAINED BY MEDTRONIC, WHICH THE COMPANY MAY NOT HAVE BEEN ABLE TO FULLY INVESTIGATE OR VERIFY PRIOR TO THE DATE THE REPORT WAS REQUIRED BY THE FDA. MEDTRONIC HAS MADE REASONABLE EFFORTS TO OBTAIN MORE COMPLETE INFORMATION IN THE TIME ALLOTTED AND HAS PROVIDED AS MUCH INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC OR ITS EMPLOYEES CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. IN PARTICULAR, THIS REPORT DOES NOT CONSTITUTE AN ADMISSION BY ANYONE THAT THE PRODUCT DESCRIBED IN THIS REPORT HAS ANY "DEFECTS" OR HAS "MALFUNCTIONED". THESE WORDS ARE INCLUDED IN THE FDA 3500A FORM AND ARE FIXED ITEMS FOR SELECTION CREATED BY THE FDA, TO CATEGORIZE THE TYPE OF EVENT SOLELY FOR THE PURPOSE OF REPORTING PURSUANT TO PART 803. MEDTRONIC OBJECTS TO THE USE OF THESE WORDS AND OTHERS LIKE IT BECAUSE OF THE LACK OF DEFINITION AND THE CONNOTATIONS IMPLIED BY THESE TERMS. THIS STATEMENT SHOULD BE INCLUDED WITH ANY INFORMATION OR REPORT DISCLOSED TO THE PUBLIC UNDER THE FREEDOM OF INFORMATION ACT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. A GOOD FAITH EFFORT WILL BE MADE TO OBTAIN THE APPLICABLE INFORMATION RELEVANT TO THE REPORT. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Additional Manufacturer Narrative · 1

THIS DEVICE IS USED FOR TREATMENT NOT DIAGNOSIS. THE VENTRICULAR ASSIST SYSTEM IS INDICATED FOR USE AS A BRIDGE TO CARDIAC TRANSPLANTATION AND DESTINATION THERAPY IN PATIENTS WHO ARE AT RISK OF DEATH FROM REFRACTORY END-STAGE LEFT VENTRICULAR HEART FAILURE. THE SYSTEM IS DESIGNED FOR IN-HOSPITAL AND OUT-OF-HOSPITAL SETTINGS. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE VENTRICULAR ASSIST DEVICE (VAD) BATTERY WOULD FLASH RED WHEN PLACED ON THE CHARGER. THE BATTERY WAS EXCHANGED. NO PATIENT INVOLVEMENT. IT WAS FURTHER REPORTED THE BATTERY TESTED OUT OF SPECIFICATIONS DURING ANALYSIS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
478594 HEARTWARE VENTRICULAR ASSIST SYSTEM- BATTERY VENTRICULAR (ASSISST) BYPASS DSQ HEARTWARE, INC. 1650DE 00888707000369

Patients

Seq Age Sex Outcome Treatment
1