The reported event could be confirmed, since the product was returned for evaluation and matches the alleged failure mode the device inspection revealed the following: the devices were returned in good condition.Slight deformation can be observed at the distal end where the nail connects.Fretting marks are observed in the underside distal region.While inserting the nail holding screw in the targeting arm sleeve slight resistance can be observed.Since both the targeting arm and nail holding screw have fretting marks it is possible that device got jammed by frictional welding.No indications of material, manufacturing or design related problems were found during the investigation.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.A review of the labeling did not indicate any abnormalities.The instructions for use instructs user that: ¿ensure that you are familiar with the intended uses, indications/contraindications, compatibility and correct handling of the implant, which are described in the operative technique manual for the product system.Please remember that product systems may be subject to alterations that affect the compatibility of the implant with other implants or with instruments.¿ based on investigation, the root cause was attributed to a user related issue.The appearance of damage indicates that the devices were cold welded due to high surface pressure caused by assembly under misalignment.If any further information is provided, the complaint report will be updated.
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