Integra has completed their internal investigation on 1/19/2016.The investigation included: methods: -evaluation of actual device.-review of device history records.-review of complaint history.Results: evaluation of device: only the lower base handle has been sent in for evaluation.The ¿long cam rod 41a1654¿ has snapped off causing the unit to come apart.The reported breakage on this particular cam rod occurred at the threaded area.Cam rod¿s thread passed the go and no go plug gage (st-225) inspection and its minor diameter was also inspected on the optical comparator (c-300) and was found within range.The bore sizes could not be measured as these were slotted/assembled during the previous service.This device passed all required inspection points with no associated mrr¿s, or variances.This base handle was serviced as part of the recall action item in (b)(4) in mar2015.A review of complaints history for similar "cam rod fracture" revealed 17 complaints have been received including case.Conclusion: engineering and repairs were able to verify the customer complaint; however, the root cause cannot be determined as the reported breakage occurred at the threaded area of the cam rod.Additionally, the entire unit was not returned to cincinnati for evaluation presenting a limiting factor for this complaint report.Capa has been initiated to address this issue.
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