The Sullivan-modified video otoscope stand facilitates the additional use of VO as a hearing aid service video microscope. The figure (21k) below (A) illustrates how a CIC instrument can be serviced for cerumen in the receiver tube. One adapts quickly, relating small finger / tool movements to the 'live' image on the video screen (B). Allowing the patient to observe the cleaning process tends to reinforce the need for hearing instrument hygiene.
The 'cleaning tool' is a #27g 1/2 bevelled end hypodermic needle, bent with a jeweler's needle-nose pliers to access microphone, receiver and vent orifices.