Additional information: three opened 23 ga trocar cannula/hub assemblies were received in a small parts tray.The returned samples were visually inspected.Sample 1 was found nonconforming with a hole in the septum.Samples 2 and 3 were found to be conforming.The device history record review indicated the product was released based on the product¿s acceptance criteria.However, due to an observed increased trend for this event, an internal investigation was initiated to determine if corrective and preventative actions were necessary.A root cause for the increased complaint rate was found to be related to a manufacturing post assembly inspection practice.The post assembly inspection has been discontinued and an effectiveness check has been established and will be monitored periodically.A non-safety medical device correction was completed on (b)(4) 2015 and a manufacturing change implemented to address the root cause.All potentially impacted customers have been contacted, trocar plugs made available and other risk mitigations discussed.(b)(4).
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