A product sample was received for investigation.Visual and functional testing of the retuned sample was checked with the applicable go-pin (1,12mm) and no-go-pin (1,22mm).No deviations were detected during this test.Based on the investigation results, it is likely that this incident is not due to a product failure of the tuohy needle.The exact root cause for this incident could not be determined definitely from the provided information.No corrective or preventive action will be taken at this time.A device history record review of the included epidural needle could not be performed, as no lot number of the affected finished good was provided.No product information has been provided to date.This remediation mdr was generated under protocol b10009406, as a result of warning letter cms# (b)(4).
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