Ultrasound Unit Selection; The Ultrasound Standard Probe; Preparing The Probe; Mounting The Water Barrier - Cortexa Technology DermaLab Mini Instructions For Use Manual

6.3 Ultrasound unit selection

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The DermaLab Mini offers two different ultrasound probes depending on the application:
- The ultrasound Standard probe features high resolution scanning specifically developed
for skin imaging. It offers a good balance between resolution and penetration with a scan
length of 17.6 mm. As such it is the preferred probe for general purpose skin imaging.
This probe provides a circular scan movement with a medium size footprint and a cross-
sectional image perpendicular to the skin surface.
- The ultrasound Subcutaneous probe is specifically designed to visualize subcutaneous
structures – e.g., for follow-up on aesthetic procedures such as abdominal fat reduction. It
provides a less detailed but deeper scan with a large size footprint, a max. penetration of
50 mm and a scan length of 50 mm. As the Standard, this probe also provides a circular
scan movement and a cross-sectional image perpendicular to the skin surface.
In the following the operation of each type will be explained in further detail.

6.4 The Ultrasound Standard probe

6.4.1 Preparing the probe

Water is selected as the ultrasound transmission medium to provide minimal attenuation of the
acoustical signal. Consequently, the scanning heads accommodate an internal water chamber
(''water path''). For the operator's convenience and the comfort of the client the ultrasound probe
features an integrated disposable water barrier to prevent spillage.
The water barrier is made of a special plastic film-material, which allows high frequency ultra-
sound to pass with minimal attenuation and without compromising the image quality. This water
barrier film is intended to be disposed of between recordings to minimize the risk of cross-contam-
ination.
The water chamber is designed as an open chamber to reduce the risk of permanent contamina-
tion of the water. The recommended water quality is de-ionized water or distilled water. Plain tap
water should be avoided due to the risk of mineral deposits on the front of the transducer. Such
deposits will lead to poor image quality.

6.4.2 Mounting the water barrier

The water chamber in the probe must be filled with water, and the water barrier film is then used
as a seal to ensure that the water will remain inside the probe during use.
The water barrier film is kept in place by a black ring which is attached to the tip of the probe.
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