Integra completed its internal investigation june 11, 2015.Results: a review of the device history records could not be performed since the 21 mm radial head/ poly assembly implant involved in the complaint was not returned for evaluation and the lot number was not provided either in the initial complaint or in follow-up correspondence.A query in the electronic database did not find any other customer complaints associated with the inability to snap the radial head/ poly assembly implant to the stem assembly implant.A review of sales figures determined that integra has sold (b)(4) katalyst radial head implants during the time period of 2009 - april 19, 2015.The single reported non-conformance equates to a frequency of (b)(4) for the same time frame.Conclusion: the root cause for this complaint could not be determined.Since the device associated with this complaint was not returned for evaluation, integra is unable to determine if the inability to snap together the 21 mm radial head/poly assembly and the stem assembly was due to a manufacturing defect to the radial head 21 mm radial head/poly assembly.
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