FDA Adverse Event Malfunction Summary report: N

TELIGEN

MDR report key: 3904891 · Received July 1, 2014

Report

Report Number
2124215-2014-09637
Event Type
Malfunction
Date Received
July 1, 2014
Date of Event
April 22, 2014
Report Date
May 21, 2014
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Removal / Correction Number
Z-0088-2015
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

(B)(4). BOSTON SCIENTIFIC HAS ISSUED AN ADVISORY COMMUNICATION REGARDING AN OLDER SUBSET OF COGNIS/TELIGEN DEVICES THAT IS MORE SUSCEPTIBLE TO THIS ANOMALY. SPECIFICALLY, THE PERFORMANCE OF A LOW VOLTAGE CAPACITOR MAY BE COMPROMISED OVER TIME, CAUSING AN INCREASED CURRENT DRAIN THAT CAN LEAD TO PREMATURE BATTERY DEPLETION. THIS PARTICULAR DEVICE WAS NOT INCLUDED IN THE AUGUST 29, 2013 ADVISORY POPULATION, BUT WAS ADDED TO THE EXPANDED POPULATION ON SEPTEMBER 17, 2014.

Additional Manufacturer Narrative · 1

(B)(4). AS OF TODAY, THE DEVICE REMAINS IMPLANTED PENDING A REPLACEMENT PROCEDURE. THIS REPORT WILL BE UPDATED WHEN ADDITIONAL INFORMATION IS RECEIVED.

Additional Manufacturer Narrative · 1

(B)(4). THE DEVICE WAS EXPLANTED, REPLACED, AND RETURNED FOR LABORATORY ANALYSIS. THIS REPORT WILL BE UPDATED UPON COMPLETION OF ANALYSIS.

Additional Manufacturer Narrative · 1

(B)(4). UPON RECEIPT AT OUR QUALITY ASSURANCE LABORATORY, THIS DEVICE WAS THOROUGHLY INSPECTED AND ANALYZED. REVIEW OF THE DEVICE MEMORY CONFIRMED A LOW VOLTAGE ALERT (CODE 1003) HAD BEEN RECORDED. EXTERNAL VISUAL INSPECTION OF THE DEVICE NOTED NO ANOMALIES. INITIAL AUTOMATED TESTING VERIFIED BASIC SENSING, PACING AND SHOCKING FUNCTIONS OF THE DEVICE. USING HISTORICAL DAILY BATTERY VOLTAGE MEASUREMENT DATA, ENGINEERS DETERMINED THAT THIS DEVICE WAS DEMONSTRATING BEHAVIOR CONSISTENT WITH A HIGH CURRENT CONDITION ASSOCIATED WITH COMPROMISED LOW VOLTAGE (BYPASS) CAPACITORS 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 NOT A PART OF THE IDENTIFIED POPULATION.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) RECORDED AN ALERT IN THE PATIENT'S REMOTE MONITORING SYSTEM THAT WAS INDICATIVE OF BATTERY VOLTAGE TOO LOW FOR THE PROJECTED REMAINING CAPACITY. A BOSTON SCIENTIFIC TECHNICAL SERVICES CONSULTANT WAS CONTACTED TO DISCUSS THE ALERT, AND IT WAS RECOMMENDED THAT THE PATIENT BE BROUGHT TO THE HOSPITAL FOR A DEVICE CHECK AND REPLACEMENT. THE HOSPITAL AGREED TO THE RECOMMENDATIONS. NO 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
385063 TELIGEN IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND F110

Patients

Seq Age Sex Outcome Treatment
1 50 YR F110