VITALITY
Report
- Report Number
- 2124215-2011-06148
- Event Type
- Malfunction
- Date Received
- July 7, 2011
- Date of Event
- April 7, 2011
- Report Date
- April 13, 2011
- Manufacturer
- GUIDANT CRM CLONMEL IRELAND
- Product Code
- LWS
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Occupation
- OTHER
Narratives
THE DEVICE IS CURRENTLY UNDERGOING ANALYSIS. WHEN ADDITIONAL INFORMATION BECOMES AVAILABLE, THIS REPORT WILL BE UPDATED.
A REVIEW OF DEVICE MEMORY REVEALED THAT THE DEVICE DECLARED ELECTIVE REPLACEMENT INDICATOR (ERI) AFTER EXPERIENCING TWO CONSECUTIVE CHARGE TIMES GREATER THAN THE EXTENDED MID-LIFE ERI CHARGE TIME LIMIT. THE OBSERVED RATE OF BATTERY USAGE WAS COMPARED TO THE EXPECTED RATE OF BATTERY USAGE; THE RESULTS INDICATED THAT THE MONITORING VOLTAGE WAS NORMAL. ALTHOUGH THE BATTERY ITSELF HAD NOT DEPLETED PREMATURELY, ERI WAS TRIGGERED EARLIER THAN EXPECTED BY EXTENDED CHARGE TIMES DUE TO A HIGHER-THAN-TYPICAL BUILD-UP OF INTERNAL BATTERY IMPEDANCE. THE DEVICE WAS THEN SUBJECTED TO, AND PASSED, A SERIES OF DIAGNOSTIC TESTS TO ASSESS THE PERFORMANCE OF DEFIBRILLATION, PACING, SENSING, HIGH VOLTAGE SHOCKING, AND DIAGNOSTIC RECORDING FUNCTIONS.
BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS DEVICE WAS EXPLANTED DUE TO NORMAL BATTERY DEPLETION. TO DATE, NO ADVERSE PATIENT EFFECTS WERE REPORTED WITH THIS CLINICAL OBSERVATION. THE DEVICE WAS RETURNED FOR RELIABILITY ANALYSIS.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1 | VITALITY | IMPLANTABLE CARDIOVERTER DEFIBRILLATOR | LWS | GUIDANT CRM CLONMEL IRELAND | T125 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 73 YR | (B)(4)| 1793| E102| (B)(4)| T125 |