A device history record (dhr) review was conducted which indicated all inspection were completed and no issues were noted during manufacture.Review of device history records and incoming records found no discrepancies or anomalies relevant to the complaint.Assay testing, performed by the supplier prior to release of the suspect device was within specification.Review of the sterilization certificate for the tray lot number provided by the customer revealed that the product was processed according to validated specification requirements and parameters.Complaint information review found no trends relevant to the drug lot number, reported in this complaint.The anesthetics are supplied items and the complaint notification was forwarded to the supplier.Based on available information and evidences no product quality problem could be confirmed.Possible causes of lack of effect may be administration technique or patient anatomical variations, including pathological or psychological factors.This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).
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