• Stern
    Sinuscope Pro

    Modern echosinusscope in desktop version

The device is an ultrasound medical equipment of class A +B, and is designed to study the maxillary and frontal sinuses of the nose by echosinusoscopy. This method allows you to quickly and accurately conduct studies of the condition of the sinuses, the presence or absence of fluids in the sinuses, the size of the sinuses, as well as in some cases the presence of polyps.

The device uses the method of ultrasound examination of the paranasal sinuses, based on the property of ultrasound reflected at the boundary of two media with different acoustic resistance. Given the direction of the beam and the position of the reflecting point, it is possible to determine the location of the structures of interest to the researcher. Echosinuscopy considers echo signals reflected from the boundaries of "soft tissue/bone", "bone/air", "bone/sinus contents", "sinus contents/bone".

The reflection coefficient of ultrasound is very different for different interfaces. At the "bone/air" boundary, there is a complete reflection of ultrasound. At the "bone/sinus contents" boundary, a partial reflection of ultrasound occurs, and part of the ultrasonic energy passes through the boundary and spreads in a liquid, for example, in the liquid contents of the maxillary.

Echosinusoscopy is recommended for use by the Ministry of Health of the Russian Federation as a safe and painless method of examination, especially suitable for children, pregnant women and adults in comparison with X-ray or Computed tomography.
Technical parameters
The device and its accessories meet the requirements of the technical specifications 26.60.12-002-52746973-2016, GOST R 50444, GOST R IEC 60601-1, GOST R IEC 60601-1-2 and a set of design documentation (DD): OMRP.02.000
Model Sinuscope Pro
Technical parameters
Power consumption of the device no more than 2 VA
Input rated supply voltage 5 ± 10% V direct current from the "USB Type-C – USB" cable
Continuous operating time of the device from the built-in battery at least 10 hours
Battery capacity of the power supply 4000 mAh (rated voltage 3.7 V)
Dynamic range of Ultrasonic sensor signal amplification (sensitivity) at least 40 dB
Technical parameters of the adapter (charger)
Input rated supply voltage 220/230 В ± 10% alternating current with a frequency of 50 Hz
Output rated supply voltage 5 ± 10% V direct current
Maximum output current of the device 1 А
Dimensions and weight
Overall dimensions of the device in mm (Length×Width×Height) 267 mm×186 mm×55 mm ± 10%
Ultrasonic sensor with connecting cable
Sensor diameter 10 mm
Sensor length 130 mm
Connecting cable length 1500 mm
Power supply device (adapter for connecting to the power grid)
Adapter length 66 mm
Adapter width 35 mm
USB cable length 1030 mm
“Stern Sinuscope Pro”, device weight, kg
Main unit (1 pc.) 1.1 kg
Ultrasonic sensor with connecting cable (1 pc.) 0.065 kg
Power supply device with USB cable 0.035 kg
Some examples of the results on the display screen and their interpretation.
It is impossible to give universal examples that are suitable for all patients, since people's sinuses and measurement conditions are different. Sinuses for the same patient are rarely symmetrical and the same size.

Diagnostic examples
There is no indication or indication between 0 and 1.5 cm. Negative symptomatic. Fluid in the maxillary sinus. The display is between 3.5 and 6 cm. Positive symptomatic. Cyst or polyp in the maxillary sinus. The display is between 2 and 3 cm.
Fluid in the frontal sinus. The display is between 1 and 3 cm. Positive symptomatic. Fluid in the maxillary sinus of the child. The display is between 2 and 4 cm. Positive symptomatic.
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