FDA Adverse Event Injury Summary report: N

TELIGEN

MDR report key: 3905693 · Received July 1, 2014

Report

Report Number
2124215-2014-12040
Event Type
Injury
Date Received
July 1, 2014
Date of Event
May 7, 2014
Report Date
June 9, 2014
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWP
Removal / Correction Number
Z-0026-2014
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

(B)(4). THIS DEVICE WAS THOROUGHLY INSPECTED AND ANALYZED UPON RECEIPT AT OUR QUALITY ASSURANCE LABORATORY. EXTERNAL VISUAL INSPECTION OF THE DEVICE NOTED NO ANOMALIES. THE BATTERY VOLTAGE WAS LOWER THAN EXPECTED[ BUT STILL SUPPORTED FULL DEVICE FUNCTION. A SERIES OF AUTOMATED ELECTRICAL/FUNCTIONAL TESTS WERE CONDUCTED AND NO ISSUES WITH THE DEVICE¿S ABILITY TO DELIVER THERAPY WERE OBSERVED; BASIC SENSING, PACING AND SHOCKING FUNCTIONS OF THE DEVICE WERE VERIFIED. REVIEW OF THE DEVICE MEMORY INDICATED THAT A VOLTAGE ALERT WAS RECORDED. USING HISTORICAL DAILY BATTERY VOLTAGE MEASUREMENT DATA, ENGINEERS DETERMINED THAT THIS DEVICE WAS DEMONSTRATING BEHAVIOR CONSISTENT WITH A HIGH CURRENT CONDITION ASSOCIATED WITH A COMPROMISED LOW VOLTAGE CAPACITOR CONNECTED TO THE DEVICE¿S BATTERY. LOW VOLTAGE CAPACITORS ARE USED IN THE DEVICE¿S HIGH VOLTAGE CHARGING OPERATION IN ORDER TO FACILITATE FAST CHARGE TIMES. MALFUNCTION OF THESE CAPACITORS RESULTED IN A HIGH CURRENT DRAIN, WHICH WAS DEPLETING THIS DEVICE¿S BATTERY FASTER THAN NORMAL. ON (B)(4) 2013, BOSTON SCIENTIFIC DISTRIBUTED A LETTER TO PHYSICIANS CONCERNING THIS ISSUE. THIS LETTER INFORMED PHYSICIANS THAT, IN A SUBSET OF DEVICES, THE PERFORMANCE OF A LOW VOLTAGE CAPACITOR MAY BE COMPROMISED OVER TIME, CAUSING INCREASED CURRENT DRAIN THAT CAN LEAD TO PREMATURE BATTERY DEPLETION. THIS DEVICE IS A PART OF THE IDENTIFIED POPULATION.

Additional Manufacturer Narrative · 1

(B)(4). THE PRODUCT HAS BEEN RECEIVED FOR ANALYSIS. THIS REPORT WILL BE UPDATED UPON COMPLETION OF ANALYSIS.

Additional Manufacturer Narrative · 1

(B)(4).

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THE REMOTE HOME MONITORING SYSTEM ISSUED AN ALERT FOR BATTERY VOLTAGE TOO LOW FOR THE PROJECTED REMAINING CAPACITY. DISK ANALYSIS SHOWED THE BATTERY APPEARS TO BE DEPLETING MORE QUICKLY THAN EXPECTED. DEVICE REPLACEMENT WAS RECOMMENDED. THE DEVICE WAS EXPLANTED AND RETURNED FOR ANALYSIS. NO ADDITIONAL ADVERSE PATIENT EFFECTS WERE REPORTED.

Description of Event or Problem · 1

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Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
384588 TELIGEN IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWP GUIDANT CRM CLONMEL IRELAND E102

Patients

Seq Age Sex Outcome Treatment
1 78 YR Hospitalization| L| R E102| 1762| 1860| 0125