SOMNOvent® ST   Made in Germany

 
 
 

 

 

 


            

 

      

Bi-level therapy device for at-home ventilation

SOMNOvent ST features a sensitive trigger that allows it to adjust to each patient’s breathing patterns while operating at a pleasantly low sound level. In addition to treatment of sleep-related respiratory disruptions, SOMNOvent ST can be used by patients with general respiratory insufficiency such as obstructive ventilation disorders (COPD); respiratory mechanism (scoliosis) and neuromuscular disorders; and by patients with partial central respiratory control disorders. Its design, which is supported by sensor technology, features a self-explanatory keypad that ensures the simplest operation possible. The heated humidifier SOMNOclick can be connected to the front of the device in one easy step. There’s no need for extra hoses or power cords because SOMNOvent ST handles the regulation of humidity levels and the power supply.

SOMNOvent® ST
Bi-level therapy device for at-home ventilation

Technical Data

Product class as per 93/42/EEC

II a

Dimensions (W x H x D)

18 x 9 x 32 cm

Weight

approx. 4 kg

Operating temperature

+5 to +35°C

Storage temperature

-20 to +70°C

Electrical connection:

115/230 V~, 50 - 60 Hz
or 12 V DC (to ensure the constant pressure
level required by prEN 17510
the voltage drop schould be max. 8%)

Power consumption during

with 230 V

with 115 V

with 24 V

with 12 V

- operation

0,1 A

0,2 A

1,0 A

1,9 A

- standby

0,015 A

0,03 A

0,14 A

0,29 A

Classification as per EN 60601-1

  

- Protection from electrical shock:

Protective class II

- Degree of protection from electrical shock:

Type B

Electromagnetic tolerance (EMV)
according to EN 60601-1-2

  

- Static screen:

EN 55011

- interference resistance:

IEC 1000–4 Part 2–6 and 11

Average noise level in operation:
1 meter from the front and form the side

approx. 26dB(A) at 10 mbar

Pressure consonance measured according to
prEN ISO 17510 at 6 mbar:

Delta p = 0,3 mbar

Humidity – operation and storage:

< 95% relative humidity

operating pressure range:

 

 

Ramp Time            :

IPAP 4 to 20 mbar
EPAP 4 to 18 mbar, accuracy ±0,4 mbar

 

5 – 30 mins

respiratory rate:

from 5 to 45/minute

I:E Ratio:

25% – 67% of respiration time

Modes:
- Softstart
- Pressure increase speed
- Trigger threshold:

CPAP, Bi-Level S, Bi-Level ST, Bi-Level T
in CPAP Mode and Bi-Level S Mode
can be set at three levels
can be set at five levels

rotational speed:

approx. 140 I/min at 12 mbar counterpressure

Fine filter filtration efficiency up to 3 µm:

> 99%

Fine filter filtration efficiency up to 0.3 µm:

> 80%

Fine filter lifespan:

> 250 hours with normal ambient air

Side connection socket for nCPAP
pressure adjustment and
readoff of usage time

serial interface solely for connection of
SOMNOadjust WM 23930 and
SOMNOsupport WM 23975 by
specialist staff.
Power consumption
SOMNOadjust: max 163 mA