TELIGEN
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
(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.
(B)(4). AS OF TODAY, THE DEVICE REMAINS IMPLANTED PENDING A REPLACEMENT PROCEDURE. THIS REPORT WILL BE UPDATED WHEN ADDITIONAL INFORMATION IS RECEIVED.
(B)(4). THE DEVICE WAS EXPLANTED, REPLACED, AND RETURNED FOR LABORATORY ANALYSIS. THIS REPORT WILL BE UPDATED UPON COMPLETION OF ANALYSIS.
(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.
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.
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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 |