An ophthalmic surgeon reported that air entered the eye and the intraocular pressure could no be used during a procedure.The procedure as completed with a viscous gas fluid pak.There was not no patient harm.A product sample has been requested, however, it has not been received for evaluation at the manufacturing site.
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The lot complaint history was reviewed, this is the sixth complaint for the finish goods lot; however, the second for this issue.The device history record shows the product was released per specifications.The wet returned sample was visually inspected and no obvious defects were found.Surgical residue and balance salted solution (bss) crystal was in the fluid path of the manifolds.The ball in the drip chamber¿s check valve moved freely per specification.The non-invasive flow sensor (nifs) on the cassette housing was in good condition.A console representing the current software version was used to test the sample.The sample could prime, tune, and pass intraocular pressure calibration successfully.No anomalies were observed during priming.No message code appeared on the screen during functional testing.The root cause of the customer's complaint could not be established; the returned sample met specifications.After a thorough investigation of this complaint, it has been determined that this sample met specifications; therefore, no corrective action is required at this time.Quality assurance has reviewed this complaint and will continue to monitor data for evidence of adverse trending and take further action, as appropriate.(b)(4).
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