FDA Adverse Event Malfunction Summary report: N

HEARTWARE® VENTRICULAR ASSIST SYSTEM

MDR report key: 4140697 · Received October 3, 2014

Report

Report Number
3007042319-2014-01048
Event Type
Malfunction
Date Received
October 3, 2014
Date of Event
September 3, 2014
Report Date
September 5, 2014
Manufacturer
HEARTWARE, INC
Product Code
DSQ
PMA / PMN Number
P100047
Removal / Correction Number
Z-1607-2014
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
GM
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

THE HEARTWARE VAD IS USED FOR TREATMENT NOT DIAGNOSIS. ONE BATTERY WAS RETURNED FOR EVALUATION. THOROUGH EXTERNAL VISUAL INSPECTION OF THE DEVICE REVEALED NO SIGNS OF PHYSICAL DAMAGE OR CONTAMINATION. ANALYSIS OF THE BATTERY PASSED VISUAL INSPECTION AND FUNCTIONAL TESTING. THE REPORTED EVENT COULD NOT BE CONFIRMED VIA REVIEW OF THE CONTROLLER LOG FILES, SINCE THEY WERE NOT AVAILABLE. APPLICABLE RISK DOCUMENTATION AND EXPERIENCE WITH EVENTS OF SIMILAR CIRCUMSTANCES WERE CONSIDERED; EVENTS WITH PREMATURE POWER SWITCHING OF SCREENED BATTERIES ARE MOST OFTEN ATTRIBUTED TO A COMMUNICATION ERROR BETWEEN THE CONTROLLER AND BATTERY. THE MOST LIKELY ROOT CAUSE IS A COMMUNICATION ERROR BETWEEN THE CONTROLLER AND BATTERY. HEARTWARE HAS OPENED AN INTERNAL INVESTIGATION TO EVALUATE THESE TYPES OF ISSUES. THERE ARE NO KNOWN CLINICAL OR USER RELATED FACTORS THAT COULD HAVE CONTRIBUTED TO THIS EVENT. THIS DEVICE IS USED FOR TREATMENT NOT DIAGNOSIS. THE VENTRICULAR ASSIST SYSTEM IS INDICATED FOR USE AS A BRIDGE TO CARDIAC TRANSPLANTATION 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. ON APRIL 30, 2014, A FIELD SAFETY NOTICE (FSCA APR2014) WAS ISSUED TO US PHYSICIANS TOGETHER WITH A PATIENT LETTER TO BE DELIVERED BY SITES TO PATIENTS CURRENTLY ON DEVICE. THE FIELD SAFETY NOTICE AND PATIENT LETTER WERE INTENDED TO ENABLE PATIENTS TO RECOGNIZE ABNORMALLY BEHAVING BATTERIES AND TO SPECIFY ACTIONS TO TAKE WHEN A BATTERY NEEDS TO BE REPLACED. THE COMMUNICATIONS OUTLINED GENERAL POWER MANAGEMENT REQUIREMENTS AND FOCUSED ON RECOGNIZING THE ALARMS AND MESSAGE DISPLAYS RELATED TO THE SPECIFIC FAILURE MODES. BOXED INSTRUCTIONS WERE PROVIDED IN THE FIELD SAFETY NOTICE TO PROVIDE ADVICE TO PATIENTS AND SITES ON HOW TO RESPOND IN THE EVENT OF PREMATURE BATTERY SWITCHING, RAPID CAPACITY CHANGE, OR RAPID SWITCHING BACK AND FORTH. ADDITIONALLY, FSCA APR2015A WAS ISSUED AS A VOLUNTARY "URGENT MEDICAL DEVICE CORRECTION"; COMMUNICATION WAS ISSUED TO THE SITES AND PATIENTS WITHIN THE UNITED STATES ON MAY 11, 2015. AN "URGENT FIELD SAFETY NOTICE" WAS SENT TO SITES AND PATIENTS NOT WITHIN THE UNITED STATES ON MAY 14, 2015. PER THE INSTRUCTIONS FOR USE (IFU): PATIENTS ARE INSTRUCTED TO ALWAYS KEEP A SPARE SET OF FULLY CHARGED BATTERIES AVAILABLE AT ALL TIMES, BEYOND THE TWO (2) POWER SOURCES THAT ARE CURRENTLY CONNECTED TO THE CONTROLLER. HEARTWARE WILL SUBMIT A SUPPLEMENTAL REPORT WHEN NEW FACTS ARISES WHICH MATERIALLY ALTERS INFORMATION SUBMITTED IN A PREVIOUS MDR REPORT. HEARTWARE IS SUBMITTING THIS REPORT AS A RESULT OF REMEDIATION ACTIVITIES RELATED TO FDA WARNING LETTER FLA-14-14, DATED JUNE 2, 2014, AND PURSUANT TO THE PROVISIONS OF 21 CFR PART 803.

Additional Manufacturer Narrative · 1

THE HVAD REMAINS IMPLANTED IN THE PATIENT, THEREFORE, IT WILL NOT BE RETURNED. HOWEVER, THE BATTERY ((B)(4)) IS AVAILABLE FOR EVALUATION, BUT HAS NOT BEEN RECEIVED BY THE MANUFACTURER. ADDITIONAL INFORMATION WILL BE SUBMITTED WITHIN THIRTY (30) DAYS OF RECEIPT. PRODUCT REMAINS IMPLANTED.

Description of Event or Problem · 1

APPROXIMATELY FIVE MONTHS AND TWO WEEKS POST HVAD IMPLANTATION, IT WAS REPORTED THAT THE PATIENT EXPERIENCED PREMATURE SWITCHING FROM ONE PORT OF THE CONTROLLER TO THE OTHER. THE BATTERY WAS REPLACED AND IS BEING RETURNED TO HEARTWARE FOR EVALUATION. THERE WAS NO REPORTED PATIENT INJURY AS A RESULT OF THIS EVENT. INVESTIGATION IS ONGOING.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
620871 HEARTWARE® VENTRICULAR ASSIST SYSTEM CIRCULATORY ASSIST SYSTEM DSQ HEARTWARE, INC

Patients

Seq Age Sex Outcome Treatment
1 (B)(4)_BATTERY