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One opened silicone irrigation/aspiration (ia) tip in a specimen container was received for the report of the slit in the capsule had metal shard found on the tip.The returned sample was visually inspected.The silicone irrigation/aspiration (sia) tip was found to be conforming for the report of a burr, but nonconforming for the silicone sleeve is rolled up in the back side with two strings of foreign material between the cannula and the silicone sleeve.The foreign material was sent to the particle lab for fourier transform infrared spectroscopy (ft-ir) evaluation determined the clear particle did not yield any good matches.The particle was then scanning electron microscopy/energy dispersive x-ray spectroscopy (sem/eds) analyzed and was identified as oxygen (o), magnesium (mg), aluminum (ai), silicon (si) and calcium (ca).The exact identity of the clear particle in unknown, however the foreign material had a high concentration of silicone.Per the qe the, sia tip and sleeve were visually inspected for damage/missing piece of silicone.Both the sia tip and sleeve were conforming.No lot number was identified with this complaint; therefore, a device history record review could not be conducted.The complaint evaluation doesn't confirm burrs or a metal shard on the tip as described in the complaint and a root cause cannot be determined for the complaint as described by the customer.Unrelated to the reported event, foreign material was confirmed on the sia tip distal od under the silicone sleeve.The particle analysis found the exact identity to be unknown, however the foreign material had a high concentration of silicone.Both the sia tip and silicone sleeve were found to be conforming for any damage; therefore how and when the foreign material became present on the sia tip cannot be determined from this evaluation and a root cause cannot be determined.The sia tip cannula was found to be conforming for a burr and no specific action with regard to this complaint was taken because the root cause for the foreign material cannot be determined from this evaluation.All silicone i/a tips are 100% visually inspected by trained operators using 30x magnification during the manufacturing process.Complaints are reviewed and monitored at regular intervals for any significant adverse trends.No adverse trends have been observed associated with the reported product and event.No further actions are required.The manufacturer internal reference number is: (b)(4).
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