There are no patient injuries associated with this event.The reported symptom was attributed to a short of q5, q6, and q7, mosfet switches found on the ultrasonic generator (500 w) board, p/n 12008, which caused the fuse to open, rendering the board inoperable.The loss of the ultrasonic generator does not, of and by itself, result in an endoscopic high level disinfection process failure that does not render a microbiologically safe product or present any additional risks for reuse given the nature of the pre-cleaning labeling instructions and high-level disinfection.Given the nature of endoscope pre-processing and high-level disinfection based on (b)(4) guidelines, either the presence or absence of ultrasonics should still result is an endoscope that has had its bioburden reduced to an acceptable level.It is concluded that there is no reasonable likelihood that an endoscope processed in the absence of the ultrasound will present any additional risks.
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