(b)(4).Upon receipt at our post market quality assurance laboratory, a thorough evaluation of the device was performed.A visual inspection of the device header and case noted no anomalies.The device was then exposed to simulated heart load conditions, and the defibrillation, right ventricular pacing, and sensing functions were tested.The device operated appropriately with no interruptions in therapy output at the returned programmed settings.Laboratory analysis concluded that the device exceeded longevity expectations and the reported clinical observations were a result of normal battery depletion.
|