Report for (b)(4).Post market vigilance (pmv) led an evaluation of one (powered handle and one adapter.This evaluation was based on a technical review of all data received from the site, a pmv review of manufacturing records, a pmv review of complaint trends, engineering review of the product and an evaluation of the returned device.Engineering's visual evaluation of the subject adapter and handle noted no visual abnormalities.Engineering's functional evaluation did not replicate the reported conditions.A review of the device history record indicates these devices lot numbers were released meeting all medtronic quality release specifications at the time of manufacture.Based on the product analysis, the failure was not confirmed to be attributed to the reported event.
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