TELIGEN
Report
- Report Number
- 2124215-2014-10395
- Event Type
- Injury
- Date Received
- July 1, 2014
- Date of Event
- April 30, 2014
- Report Date
- May 23, 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
- PHYSICIAN
Narratives
(B)(4). FOLLOWING RETURN AND COMPLETION OF LABORATORY ANALYSIS, THIS EVENT WILL BE FURTHER UPDATED.
(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 INCLUDED IN THE ADVISORY POPULATION.
(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.
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. NO ADVERSE PATIENT EFFECTS WERE REPORTED: THE DEVICE HAS BEEN EXPLANTED AND IS INTENDED TO BE RETURNED FOR A POST-MARKET ANALYSIS. REPLACEMENT WAS REPORTED SUCCESSFUL WITH ANOTHER BOSTON SCIENTIFIC DEVICE.
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Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 383082 | TELIGEN | IMPLANTABLE CARDIOVERTER DEFIBRILLATOR | LWS | GUIDANT CRM CLONMEL IRELAND | F102 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | Hospitalization| L| R | 0175| F102| F051 |