A field corrective action has been initiated by trumpf medical and reported to the fda as a result of investigations into similar events.The investigations have found that improper installation or servicing of the snap ring in this joint can result in the slipping down or falling of the spring arm and light head components.The user facility was sent the initial field safety notice letter on january 14, 2016, which informs users of the risk and advises that visual inspections be completed prior to each use.The field action activities including inspection and additional labeling are ongoing.The letter was confirmed as delivered and signed for by (b)(6) 1/15/2016.No confirmation of receipt (as requested in the initial field safety notice letter) has been returned to trumpf medical at this time.
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