FDA Adverse Event Injury Summary report: N

TELIGEN

MDR report key: 3904719 · Received July 1, 2014

Report

Report Number
2124215-2014-10601
Event Type
Injury
Date Received
July 1, 2014
Date of Event
April 19, 2014
Report Date
August 18, 2014
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Removal / Correction Number
Z-0026-2014
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

(B)(4). FOLLOWING RECEIPT OF ADDITIONAL INFORMATION THIS EVENT WILL BE FURTHER 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 TOOL MARKS ON THE HEADER AND ON THE EDGE OF THE OUTER BACK AND FRONT OF THE OUTER CASE. 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). FOLLOWING RETURN AND COMPLETION OF LABORATORY ANALYSIS, THIS EVENT WILL AGAIN BE UPDATED.

Additional Manufacturer Narrative · 1

(B)(4).

Additional Manufacturer Narrative · 1

(B)(4).

Description of Event or Problem · 1

SUBSEQUENTLY, THE DEVICE WAS EXPLANTED. NO FURTHER INFORMATION HAS BEEN RECEIVED.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT DURING INTERROGATION, THIS DEVICE TRIGGERED A CODE INDICATIVE OF AN INTERNAL BATTERY VOLTAGE TOO LOW, TO SUPPORT THE PROJECTED REMAINING CAPACITY. THE PHYSICIAN CONTACTED BOSTON SCIENTIFIC FOR REVIEW OF THE OBSERVED BEHAVIOR. THE MANUFACTURES RECOMMENDATIONS: INSTRUCT THE PATIENT TO RETURN FOR PRODUCT REPLACEMENT AS DATA ANALYSIS INDICATES THE DEVICE IS MALFUNCTIONING. NO ADVERSE PATIENT EFFECTS HAVE BEEN REPORTED. TO DATE, NO SYSTEM CHANGES HAVE BEEN IMPLEMENTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
382137 TELIGEN IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND F102

Patients

Seq Age Sex Outcome Treatment
1 Hospitalization| L| R F102| 0181