Application Scope, Operation Conditions, Safety and Cautions
1-4
fixed position of the body for a long time; please check the display of acoustic
output and MI, when powering on the system, input new patient ID or shift from
non-fetal to fetal application.
1.5 Cautions
a) While operating the system, please follow the methods and procedures
described in this manual.
b) Always turn off the system and protect it with a dust-proof cover whenever the
system is not in use.
c) The system should be operated in a clean environment. Avoid operating it in a
place with direct sunshine, impetuous temperature change, full of dust, close to
heat source or high humidity; do not put anything on top of the main unit.
d) Avoid severe vibration; otherwise the components in the system might be
damaged.
e) Before connecting or disconnecting probe(s), firstly ensure that the main unit is
set in frozen state. It would be better to turn off the main unit power supply.
f) Freeze the image whenever no exam is performed.
g) All endocavity probes, when in use, should be covered with probe cover
compliant to ISO4074:2002. Biological warning for probe cover: If the covers
used for endocavity probes are condoms, they should be nonlubricant and
nonmedicated. Practitioners should be aware that condoms have been shown to
be less prone to leakage than commercial probe covers, have a six-fold
enhanced AQL (acceptable quality level) when compared with standard
examination gloves. Their AQL equals to that of surgical gloves. Users should be
aware of latex-sensitivity issues and have available nonlatex-containing covers.
h) The transducer assembly specific to endo-cavity use shall be not excited when it
is out of the patient’s body. Otherwise, such excitation does not comply with
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