Investigation: one sample was returned for evaluation by our quality team.Upon visually inspecting the product, a hole in the rubber stopper was observed and a grey elastic matter identified which appears to have generated from the rubber stopper.No defects were found on the protector needle.A device history review could not be performed as no lot information was provided.While phaseal needles are designed to reduce coring, there are several factors that may impact coring tendency.Coring from the membrane may occur due to fragmentation caused by multiple injections or excessive welding of the membrane.Coring of the rubber stopper may result depending on the stopper quality, the design and dimensions of the needles used, or if a poor connection of the protector occurs.Based on the available information we are not able to identify a definitive root cause at this time.Prior to the investigation of this complaint, capa#688697, was open to asses coring defect.
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