The device manufacturer date is not known.Alleged failure: patient burned on non-operative arm, facility thinks may have come from radiofrequency wand.The failure alleged in the complaint record was not confirmed/duplicated during the product investigation.Per visual and functional testing no defect and/or manufacturing-related condition was observed that could have contributed to the reported event.The probable root cause/s could be hot saline leaking (due to improper connection between the suction probe and the suction source), the probe suction tubing unintentionally touching the patient's skin and was maintained for a substantial amount of time.Other possibilities were activation of the probe during insertion or removal from the joint space, inadequate suction causing hot saline to leak from the joint space, and fluid irrigation.The product was returned for investigation and the failure mode will be monitored for future reoccurrence.
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