Additional device code used hwc.(b)(4) lot number unknown.Exact date of implant is unknown.It was reported that the implant procedure was approximately two years from the date of explant procedure (b)(6) 2016.Device is not expected to be returned for manufacturer review/investigation.(b)(4).Device evaluation/investigation could not be completed; no conclusion could be drawn as product was not returned to manufacturer.Device history records review could not be completed without lot number.Device used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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It was reported that on (b)(6) 2016, patient underwent revision procedure to remove hardware.Patient was implanted with trochanteric fixation nail (tfn), helical blade, and screw approximately two (2) years prior to explant.On unknown date, the patient experienced pain.An x-ray on an unspecified date revealed that the tfn had broken at the intersection of the helical blade and had a non-union.During the revision surgery, surgeon removed all hardware.All extracted devices were intact, except for the nail.The patient was revised to a proximal femur plate and screws.Surgery was completed successfully with no delay and no harm to patient.Concomitant devices reported: helical blade (part# unknown, lot # unknown, quantity unknown).Screw (part# unknown, lot # unknown, quantity unknown).This report is for one (1) trochanteric fixation nail (tfn).This is report 1 of 1 for (b)(4).
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