FDA Adverse Event Malfunction Summary report: N

TELIGEN

MDR report key: 3905764 · Received July 1, 2014

Report

Report Number
2124215-2014-11299
Event Type
Malfunction
Date Received
July 1, 2014
Date of Event
May 17, 2014
Report Date
June 25, 2014
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWP
Removal / Correction Number
Z-0026-2014
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

(B)(4). THIS DEVICE HAS NOT BEEN RETURNED FOR ANALYSIS. THIS INVESTIGATION WILL BE UPDATED SHOULD FURTHER INFORMATION BE PROVIDED.

Additional Manufacturer Narrative · 1

(B)(4). RECORDS INDICATE THIS DEVICE REMAINS IN SERVICE. SHOULD ADDITIONAL INFORMATION BECOME AVAILABLE, THIS REPORT WILL BE UPDATED.

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 AUGUST 29, 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).

Description of Event or Problem · 1

ADDITIONAL INFORMATION WAS RECEIVED INDICATING THE DEVICE WAS EXPLANTED. NO ADDITIONAL ADVERSE PATIENT EFFECTS WERE REPORTED.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS DEVICE RECORDED A CODE 1003 INDICATIVE OF 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. NO ADVERSE PATIENT EFFECTS WERE REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
383094 TELIGEN IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWP GUIDANT CRM CLONMEL IRELAND E110

Patients

Seq Age Sex Outcome Treatment
1 76 YR 4269| E110| A155| 1831| 0135