(b)(4).The dhr for the instruments in question was reviewed and found completely without any irregularities.This instrument was manufactured at the (b)(4) as part of a (b)(4) lot in april of 2016.The returned instrument was evaluated and found that the knob rotation is dry and slightly sluggish.Further evaluation showed that this instrument picks up, retains, closes and releases multiple clips as required of its function both with and without the use of silastic test tubing.Parts were 100% visually inspected and tested at the (b)(4) facility before instruments were sent to customer.No irregularities were found and or reported at the time of inspection and assembly of the product, as this is a standardized process for all instruments manufactured at this facility.At this time it is un-determined what caused the alleged issue, but it is suspected that the customer did not "lubricate" the instrument prior to sterilization as recommended in ifu (l06109 r04) supplied with the instrument which states "the instrument must be cleaned, lubricated, functionally checked, and sterilized prior to each use.Use a non-silicone, water-based lubricant prior to sterilization.No corrective action required at this other remarks: time.Per fda guidelines for manufacturers which state: "manufacturers are required to report to the fda when they learn that any of their devices may have caused or contributed to a death or serious injury.Manufacturers must also report to the fda when they become aware that their device has malfunctioned and would be likely to cause or contribute to a death or serious injury if the malfunction were to recur." this incident is not reportable at this time with the information provided.No corrective action.
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