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CAUTION:
Please remove the sheath (if present) before cleaning the probe. (Sheaths, such as condoms, are for
single use only).
When cleaning TV and TR probes, it is important to ensure that all surfaces are thoroughly cleaned.
Disinfection
2% glutaraldehyde-based solutions have been shown to be extremely effective for this purpose. Cidex is the only ger-
micide that has been tested for compatibility with the material used to manufacture the probes.
To preserve the effectiveness of the disinfection solutions, the probe must be subjected to a thorough cleaning before
the disinfection; you must therefore ensure that no residues remain on the probe.
Disinfection procedure:
Following all precautions for storage, use and disposal, prepare the germicidal solution according to the manufacturer’s
instructions.
Bring the cleaned and dried probe into contact with the germicide, being careful not to let the probe drop to the bottom
of the container, thus damaging the probe.
After placing/immersing it, rotate and shake the probe while it is below the surface of the germicide to eliminate air
pockets. Allow the germicide to remain in contact with the fully immersed probe. For a high-grade disinfection, please
observe the manufacturer's recommended time.
Following all precautions for storage, use and disposal, prepare the germicidal solution according to the manufacturer’s
instructions.
After removing the probe from the germicidal solution, rinse it according to the manufacturer’s instructions.
Rinse all visible germicide residues from the probe and allow it to air dry.
9.3.4
Thermal and probe tip angle monitoring
The transvaginal and transrectal probes are equipped with a thermal sensor that provides continuous feedback on
the temperature of the probe tip. The tip temperature is displayed in Celsius (ºC). Whenever the probe is activated,
the temperature and tip angle are displayed on the screen. The patient's body temperature can be optionally entered
in the system menu, and the default value is 37 degrees Celsius.
For maximum safety, the temperature indicator flashes when the tip reaches a temperature of 41°C, and the system
has a thermal limit of 43°C; when the probe tip reaches this limit, the system automatically disables the probe and
returns to the EXAMINATION screen.
You should then remove the probe from the patient and wait until it has cooled down. As soon as the probe has
cooled down, the examination can be retrieved and continued. At the heat limit, all system controls are inhibited under
normal operating conditions. The probe will not reach its thermal limit unless febrile patients are scanned or the
probe's thermal sensor fails.
See the following suggestions that can help keep the probe tip temperature within the safe range: in
the 2D scan with the maximum available angle and a greater available depth.
CFM and Doppler are the modes which have the possibility of an increase in temperature; in febrile patients, use these
modes as little and for as short a time as possible.