Maintenance - Cortexa Technology DermaLab Mini Instructions For Use Manual

A tiny air-bubble be-
tween film and epider-
mis will create a black
shadow in the ultra-
sound image.
Re-apply gel or water
and make new image.
Artifacts in the form of shadows may also be a result of collected air bubbles inside the water
chamber. Such bubbles adhering to the film may often be released by gently tapping the probe. If
unsuccessful, the film may be replaced after topping up with water.
Gel layer thickness
A thin gel layer secures good acoustical contact between the tip of the probe and the skin. Too
much gel (left image below) results in a bright line in front of epidermis (i.e. two bright lines) with a
black gel layer in between. This first bright line represents the acoustic echo from the plastic film
at the tip of the probe and the second line is the epidermis. Preferably, the layer of gel (or water)
shall be so thin, that it is not possible to distinguish the acoustic echo from the film and epidermis.
I.e. preferably they should be seen as one bright line (i.e. as one echo, right image below).
Too much
gel used
Avoid too much gel between the tip of the probe and the skin.
Preparation
It may facilitate the scanning procedure to apply a drop of water or a thin layer of gel on the skin
area to be scanned. Gently distribute the water or gel in a thin layer – just enough to make the
skin wet. This will help avoid air bubbles between the tip of the probe and the skin.

6.9 Maintenance

The daily maintenance of DermaLab
and water to reduce bacteria growth inside the water chamber, and to allow the transducer to dry.
Always remove the plastic film overnight.
Do not use solvents or hard objects to clean the transducer - just gently wipe off the deposits with
a cotton stick.
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It is important to ensure a good acoustic contact
between the tip of the probe and the skin.
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® ultrasound scanning probes is limited to the removal of film
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