The anesthetic is a supplied item and the complaint notification was forwarded to the supplier.Batch record review performed by the supplier for bupivacaine lot # 502153a, lidocaine lot # 550853a and epinephrine lot # 520503a revealed no discrepancies that may have contributed to a complaint of this nature.The results of potency testing met specification at the time of final release.Possible causes of lack of effect may be administration technique or patient anatomical variations, including pathological or psychological factors.The complaint could not be confirmed.
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