(b)(4).A clinical assessment was requested from the mfr's clinical affairs with the results summarized below: there was no report of pt injury or adverse event.The pt was discharged according to the original treatment plan and the pt's condition today is reported to be stable.At this time, investigation results are still pending therefore no determination as to the cause of this incident has been made.Although the device was being used in the inferior vena cava (ivc), which generally falls within the device's indications for use, it was clearly being used to visualize pacemaker leads in the cardiac tissue which is not an intended use of the device.Currently, not enough safety data has been reported in support og the use of this device for this indication.No other recent filings have been reported for this failure mode.Given the need for close proximity of the catheter to cardiac tissue in lead extraction cases, the loss of guide wire position is considered high risk than typical peripheral use and it is the position of the company to report such an event.The manufacturing documentation for this device was reviewed and the device met all quality and manufacturing release criteria.To date, no other complaints have been reported for this failure mode within this lot.This device has not yet been returned to the mfr for eval.A supplemental report will be submitted when the investigation results are available.
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