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Manufacturing review: the dhr has been reviewed and this lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.Investigation summary: one truguide coaxial was returned.A visual inspection and dimensional evaluation was performed.The sample appeared to be soiled with residue.The device was returned in two pieces.The beak was noted between the hub and the coaxial needle.The coaxial piece measures approx.5.8cm from break to distal tip, which matches the expected coaxial length for catalog c1810a.No other anomalies were noted.Therefore, the investigation is confirmed as reported for detachment of device or device component, specifically a coaxial needle.The definitive root cause could not be determined based upon available information.It is unknown whether patient factors and/or procedural issues contributed to the reported event.Potential contributing factors include insufficient packaging (e.G.Damage to device), effect of sterilization or aging (e.G.Degradation), use error (e.G.Inappropriate handling, use of bent needle), insufficient securement of components, inappropriate interaction with biopsy needle; however, identification of a root cause(s) could not be determined.Labeling review: the review of the ifu (instructions for use), indications, warnings, precautions, cautions, possible complications, and contraindications showed that the product labeling is adequate.
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