INSIGNIA
Report
- Report Number
- 2124215-2011-00936
- Event Type
- Injury
- Date Received
- April 6, 2011
- Date of Event
- January 1, 2011
- Report Date
- June 2, 2011
- Manufacturer
- GUIDANT CRM CLONMEL IRELAND
- Product Code
- NVZ
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Occupation
- HEALTH PROFESSIONAL
Narratives
LABORATORY ANALYSIS DETERMINED THAT THIS DEVICE EXPERIENCED NORMAL BATTERY DEPLETION, BUT DECLARED EOL EARLIER THAN PREVIOUSLY ESTIMATED. DECLARATION OF THIS INDICATOR OCCURS AFTER THE DEVICE COMPLETES AN INTERNAL CALCULATION OF BATTERY CONSUMPTION. FACTORS INFLUENCING THIS CALCULATION INCLUDE PACING RATE, AMPLITUDE, PULSE-WIDTH, LEAD IMPEDANCE, AND THE LAST 30 DAYS AVERAGE PACING PERCENTAGE. ANY CHANGES IN THOSE FACTORS WILL IMPACT THE BATTERY CONSUMPTION CALCULATION. THE ESTIMATED LONGEVITY REMAINING AND BATTERY STATUS GAUGE DISPLAYED BY THE PROGRAMMER ARE BASED ON BATTERY CURRENT CONSUMPTION CALCULATIONS AT THE TIME OF INTERROGATION, AND CALCULATIONS PERFORMED INTERNAL TO THE DEVICE ARE SUSPENDED DURING THE SESSION. WHEN AMBULATORY (AWAY FROM THE PROGRAMMER), THE DEVICE PERIODICALLY ASSESSES OPERATING CURRENT AND MAY REVISE THE ERT DECLARATION POINT TO ENSURE A MINIMUM OF 3 MONTHS BATTERY LIFE BETWEEN ERT AND EOL. THIS DEVICE ASSESSMENT OF OPERATING CURRENT, BATTERY CHARGE STATE, AND REVISION OF THE ERT DECLARATION POINT MAY CAUSE DIFFERENCES AND FLUCTUATIONS RELATIVE TO PREVIOUS PROGRAMMER BATTERY STATUS INDICATORS. DETAILED MECHANICAL AND ELECTRICAL TESTING WAS PERFORMED. THE DEVICE FUNCTIONED NORMALLY THROUGHOUT TESTING. ANALYSIS CONCLUDED THIS DEVICE DID NOT EXPERIENCE A COMPONENT MALFUNCTION OR PREMATURE BATTERY DEPLETION, AND REPLACEMENT INDICATORS WERE DISPLAYED APPROPRIATELY, RELATIVE TO THE ACTUAL BATTERY CONDITION. HOWEVER, SERVICE LIFE FELL SLIGHTLY SHORT OF LONGEVITY EXPECTATIONS AS DEPICTED IN THE INSTRUCTIONS FOR USE THAT WERE ORIGINALLY APPROVED AND DISTRIBUTED WITH THIS DEVICE. LONGEVITY ESTIMATION TOOLS HAVE SINCE BEEN REFINED TO BETTER REFLECT ACTUAL DEVICE PERFORMANCE AND CURRENT CLINICAL PRACTICES.
TO DATE, THE EXPLANTED DEVICE HAS NOT BEEN RECEIVED AT BOSTON SCIENTIFIC. UPON RECEIPT, THE DEVICE WILL UNDERGO DETAILED LABORATORY ANALYSIS IN AN ATTEMPT TO CONFIRM AND DETERMINE THE ROOT CAUSE OF THIS EVENT.
BOSTON SCIENTIFIC RECEIVED INFORMATION THAT ON (B)(6) 2010 THIS PACEMAKER REVEALED 2 YEARS LONGEVITY REMAINING. ON (B)(6) 2011, END OF LIFE WAS DECLARED. PREMATURE BATTERY DEPLETION WAS SUSPECTED. THE DEVICE WAS REMOVED, REPLACED, AND RETURNED FOR ANALYSIS. NO ADDITOINAL ADVERSE PATIENT EFFECTS WERE REPORTED.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1 | INSIGNIA | IMPLANTABLE PULSE GENERATOR | NVZ | GUIDANT CRM CLONMEL IRELAND | 1292 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 87 YR | Other| R | 5024| 7074| (B)(4)| 1292 |