TELIGEN
Report
- Report Number
- 2124215-2014-16353
- Event Type
- Malfunction
- Date Received
- October 3, 2014
- Date of Event
- August 11, 2014
- Report Date
- October 14, 2014
- Manufacturer
- GUIDANT CRM CLONMEL IRELAND
- Product Code
- LWS
- Removal / Correction Number
- Z-0026-2014
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- CA
- Reporter Occupation
- MEDICAL EQUIPMENT COMPANY TECHNICIAN/REPRESENTATIVE
Narratives
(B)(4). THIS DEVICE WAS THOROUGHLY INSPECTED AND ANALYZED UPON RECEIPT AT OUR QUALITY ASSURANCE LABORATORY. REVIEW OF THE DEVICE MEMORY INDICATED THAT A LOW VOLTAGE ALERT, CODE 1003, WAS RECORDED. 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. 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. 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 INCLUDED IN THE ADVISORY POPULATION.
(B)(4). RECORDS INDICATE THIS DEVICE REMAINS IN SERVICE. SHOULD ADDITIONAL INFORMATION BECOME AVAILABLE, THIS REPORT WILL BE UPDATED.
(B)(4). THE PRODUCT IS EXPECTED TO BE RETURNED FOR ANALYSIS. THIS REPORT WILL BE UPDATED UPON RETURN AND COMPLETION OF ANALYSIS.
BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS DEVICE RECORDED A CODE 1003 INDICATIVE OF BATTERY VOLTAGE TOO LOW FOR THE PROJECTED REMAINING CAPACITY. DATA ANALYSIS SHOWED THE BATTERY APPEARS TO BE DEPLETING MORE QUICKLY THAN EXPECTED. DEVICE REPLACEMENT WAS RECOMMENDED. NO ADVERSE PATIENT EFFECTS WERE REPORTED.
ADDITIONAL INFORMATION WAS RECEIVED INDICATING THIS DEVICE WAS EXPLANTED AND REPLACED. NO ADDITIONAL ADVERSE PATIENT EFFECTS WERE REPORTED.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 619632 | TELIGEN | IMPLANTABLE CARDIOVERTER DEFIBRILLATOR | LWS | GUIDANT CRM CLONMEL IRELAND | E110 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 83 YR | 0184| 4135| E110 |