(b)(4).D10: 36mm i.D.Size g high wall liner item # 30123607 lot #64591563 modular neck p1 12/14 neck taper use with +0 heads only item #00784801301 lot #65438281 unknown cup item #unknown cup item and lot #unknown.The device will not be returned for analysis; however, an investigation of the reported event is in progress.Once the investigation is completed, a supplemental medwatch will be submitted.
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It was reported that a patient underwent a left hip revision approximately two months post implantation due to instability, pain, squeaking, popping, and stiffness.Radiographic images indicated migration of head.During the revision, when the head was removed, metallosis and erosion were noted.The head, neck, and liner were exchanged without complications.The stem and cup remain implanted.Due diligence is in progress for this complaint; to date no additional information or product has been received.
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