1 Safety
Basic User Manual 5
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Cranial Bone Thermal Index (TIC) is used when bone is near the skin surface as in transcranial examination,
it provides an estimate of potential temperature rise in the bone or adjacent soft tissue.
■ MI/TI Display
TI and MI values are displayed in real time on the screen. The operator should observe these index values during
examinations and ensure that exposure time and output values are maintained at the minimum amounts needed for
effective diagnosis.
The MI and TI precision is 0.1.
1.3.4 Transducer Surface Temperature Limits
For probes intended for internal applications, e.g. the endocavitary or transesophageal probes, the surface
temperature of the probe may change by adjusting system parameters.
The maximum surface temperature of the endocavitary probes is 43°C. To protect the patient against the harm of
excessive temperature, the probe stops working automatically when its temperature reaches the limit. The surface
temperature of the probe is displayed on the screen.
PAT：37.0℃
TIP： < 28℃
Patient Threshold Temperature
Transducer Tip Temperature
1.3.5 Imaging Functions that Change Acoustic Output
The qualied operator may use the system controls to limit the ultrasound output and to adjust the quality of the
images. The operator should observe the acoustic output display for possible effects.
There are three categories of system controls relative to output. They are controls that have direct effect on the
output, controls that indirectly control output and controls that are receiver controls.
1.4 Safety Symbols
The following table is provided for your identication of important symbols located in labels on the system.
Symbol Meaning
Caution
Dangerous voltage
Pinch hazard
Risk of explosion if used in the presence of ammable anesthetics
This product is provided with a CE marking in accordance with the regulations stated
in Council Directive 93/42/EEC.
Authorized representative in the European community
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