FDA Adverse Event Malfunction Summary report: N

HEARTWARE VENTRICULAR ASSIST SYSTEM- CONTROLLER AC ADAPTER

MDR report key: 7105223 · Received December 11, 2017

Report

Report Number
3007042319-2017-04683
Event Type
Malfunction
Date Received
December 11, 2017
Date of Event
November 24, 2015
Report Date
December 11, 2017
Manufacturer
HEARTWARE, INC.
Product Code
DSQ
PMA / PMN Number
P100047
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NL
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

PRODUCT EVENT SUMMARY: IT WAS REPORTED THAT THE CONTROLLER AC (CAC) ADAPTER WAS UNABLE TO PROVIDE POWER. ONE (1) CAC ADAPTER 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 DEVICE REVEALED THAT THE UNIT PASSED VISUAL INSPECTION BUT FAILED FUNCTIONAL TESTING DUE TO AN OPEN INPUT FUSE. THE OPEN FUSE PREVENTED THE CONTROLLER AC ADAPTER FROM PROVIDING POWER, CONFIRMING THE REPORTED EVENT. THE MOST LIKELY ROOT CAUSE OF THE REPORTED EVENT CAN BE ATTRIBUTED TO AN OPEN FUSE, DUE TO A COMBINATION OF A REDUCED FUSE IN-RUSH CURRENT RATING ALONG WITH THE ABSENCE OF A CURRENT-LIMITING THERMISTOR. AN INTERNAL INVESTIGATION HAS BEEN OPENED TO INVESTIGATE OPEN INPUT FUSES ASSOCIATED WITH CONTROLLER AC ADAPTERS, CATALOG NUMBER 1430XX. THIS EVENT WAS ASSESSED AND IS BEING REPORTED AS PART OF A RETROSPECTIVE REVIEW OF EVENTS, WHICH WAS IN RESPONSE TO AN UPDATE TO THE MDR DECISION CRITERIA. 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 CONTROLLER AC (CAC) ADAPTER HAD A LOW PRIORITY POWER DISCONNECT ALARM. THE CAC ADAPTER WAS NO LONGER PROVIDING POWER. THE CAC ADAPTER WAS EXCHANGED. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
884776 HEARTWARE VENTRICULAR ASSIST SYSTEM- CONTROLLER AC ADAPTER VENTRICULAR (ASSISST) BYPASS DSQ HEARTWARE, INC. 1430DE

Patients

Seq Age Sex Outcome Treatment
1 62 YR