The facility reported a tan, granular substance remained in the basin of their dsd edge automated endoscope reprocessor (aer) after reprocessing an endoscope.There is potential for patient exposure to the unknown substance during endoscopic procedures.Communication between the facility's biomed and medivators field service engineers determined that the endoscope may not have been properly manually cleaned before being placed in the aer.After reprocessing the endoscope in the aer and noticing the substance, the facility reprocessed it again in a different aer only to find the same substance remaining in that aer as well.The facility reported after running 10 cycles in the second aer, the substance was gone.Medivators field service engineers evaluated the first aer and the facility's biomed technician performed a full preventative maintenance service after dissassembling the unit and thoroughly flushing and scrubbing the affected components.The unit has been removed from service while the facility continues to run cycles and try to clear out the substance.The facility has since purchased a new advantage plus aer to replace the affected dsd edge.The identification of the substance remains unknown.It is unknown if the endoscope has been used in patient procedures since being reprocessed.There have been no reports of patient harm.This complaint will continue being monitored in medivators complaint handling system.
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