(b)(4).A complaint investigation will be performed.The complaint product is not available for the investigation.A supplemental report is not anticipated unless the results of the complaint investigation identify a corrective action or additional relevant information.Should the product become available, a physical evaluation will be conducted and a supplemental report filed with the results.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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On (b)(6) 2019, the following procedures for spinal fixation were successfully performed without surgical delay.Tlif (transforaminal interbody lumbar fusion) on l4/5.Plif (posterior lumbar interbody fusion) on l5/s.On (b)(6) a revision was performed for removing the blood tumor by detaching a cross-link device and replacing with a new one.But the surgeon left the final screw fixation as it was done in the original surgery.Postoperative x-rays did not show any adverse issue.On (b)(6), x-rays showed that the reported set screw (1997.21.001s) on the left l4 had been loose.A rod was about to come off the screw head.Any further revision is not planned as of today.No further information is available.Unknown rod (part # unknown, lot# unknown, quantity 1).This complaint involves one (1) device.
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