Description of Event or Problem · 1
FAILURE OF OHMEDA (BOC HEALTHCARE) TEC 6 DESFLURANE VAPORIZER TO DELIVER ANY DESFLURANE, WITHOUT ANY INDICATION OF ITS FAILURE. DIAL SET AT ABOUT 9%. "OPERATIONAL" GREEN LIGHT ON. WARM AND PLUGGED IN. ALL OTHER LIGHTS (NO OUTPUT-LOW AGENT-WARMUP-ALARM BATTERY LOW) NOT ILLUMINATED. FILL INDICATOR SHOWED FULL. DATEX-OHMEDA B/5 MONITOR SHOWED NO INHALATIONAL AGENT EXCEPT FOR THE NITROUS / OXYGEN. BECAUSE VITAL SIGNS WERE AT BASELINE, I WAS NOT OVERLY WORRIED ABOUT RECALL, BUT A BIS MONITOR THAT WAS GOING TO BE USED FOR THE NEXT CASE WAS AVAILABLE, AND SO I QUICKLY HOOKED IT UP. IT SHOWED A VALUE OF 81%, CONSISTENT WITH LACK OF DESFLURANE. PROPOFOL WAS GIVEN AND INHALATIONAL AGENTS CHANGED, WHICH THE MONITOR IMMEDIATELY DETECTED. LATER IN THE CASE, A SECOND TEC 6 WAS BROUGHT INTO THE ROOM AND TURNED ON. THE MONITOR IMMEDIATELY DETECTED THE DESFLURANE. I AM WAITING FOR THE REPORT ON THE APPARENTLY DEFECTIVE VAPORIZER. THE PATIENT, ON POST ANESTHESIA INTERVIEW, DID NOTE A VERY SHORT PERIOD OF NOT BEING ABLE TO MOVE AND HEARING VOICES.