H6: investigation summary: it was reported that needles unable to draw up liquid.To aid in the investigation, ninety four samples in sealed blister packaging were received for evaluation by our quality team.A visual inspection was performed and no defects or imperfections were observed.Each sample was then connected to a syringe with saline solution.Of the ninety four samples one sample did not expel the solution, it is clogged.A device history record review was completed for provided material number 306616, columbus needle lot numbers 1214992, 1278946, 1214008, 1214997.These needle lots were used in the manufacturing of the final product lots 1341422.The review revealed there was documentation for this type of defect during the production run of lot number 1214992 for clogged needles due to silicone.It could be possible these samples are escapes from the incident that occurred while producing batch 1214992.The process to isolate affected product was reviewed, as well as the process of variations that could induce the needle clogged / blocked symptom.The processes were adjusted to prevent variations that could result in this defect.Based on the investigation and with the returned sample analysis the symptom reported by the customer is confirmed.
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