Watchdatex
Centiva/5 Intensive care ventilator (DATEX-OHMEDA)
(Ohmeda Com 1.0 Protocol serial)
The "WATCH - DATEX" software is intended for cooperation of a computer (PC) with a Datex - Ohmed Centiva servo fan.
It includes functions for monitoring numerical and analog parameters, as well as operating parameters of artificial lung ventilation (UVP).
It enables the archived data to be archived, or transferred to a text or spreadsheet document and further processed.
It allows you to monitor the parameters of mechanical properties of the lungs (MVP) in all ventilation modes, as well as other important prognostic and diagnostic data and optimize the parameters of UVP.
Technical parameters
| Operating system | Windows 98 and higher |
| Connection between PC and Fan | RS232 (null modem) |
| Sampling frequency | at least 16 ms |
Measured parameters
| TI (inspiration time) / sec./ | ±10% |
| TE (expiration time) / sec./ | ±10% |
| T I % (percentage of inspiratory time duration from the ventilation cycle) /%/ | ±10% |
| f (respiratory rate) /d/min./ | ±5% |
| VT = VTE (tidal volume) lit./ | ±5% |
| MV (minute ventilation) /lit/min./ | ±5% |
| PAWmax / kPa, or cmH2O/ | ±5% |
| PAW min (PEEP) /kPa, or cmH2O/ | ±5% |
| tI (First inspiratory time constant of the whole system - lungs + ventilation circuit + fan) / sec./ | ±10% |
| tE (First expiration time constant of the whole system - lungs + ventilation circuit + ventilator) / sec./ | ±10% |
Calculated parameters
| Cst (Static compliance) / lit / kPa / | ±15%* |
| Cdyn (Dynamic flexibility) / lit / kPa / | ±15% |
| RI AW (Inspiratory airway resistance + ET cannula resistance) / kPa / lit / sec / | ±15%* |
| RI sys (Inspiratory resistance of the lung system + ventilator + ET cannula - mean value) / kPa / lit / sec / | ±20% |
| RE sys (Expiratory resistance of the lung system + ventilator + ET cannula - mean value) / kPa / lit / sec / | ±20% |
| PAI (Peak alveolar pressure) / kPa / | ±10%* |
| PEEPi = PAE inadv / kPa / | ±20%* |
| PAE (Minimum alveolar pressure at end of expiration sum of inverted PEEPi + mechanical PEEP) / kPa / | ±15% |
Graphically represented parameters of the curve: P / t Q / t V / P Q / V Cst-i
All curves are shown in virtually real time with a delay of up to 600 msec. Artifact filtration: the mathematical filter is up to ± 15% of the real value. Data for static compliance curve Cst-i filtered. Autozoom velocity in stabilized UVP up to 60 sec.
Capacity for storing records
Save trend curves (trend.txt). Save the entire ventilation log (log.txt). The values are not filtered by any filter. Storage of records is without SW limitations - the only limit is the capacity of the hardware - HDD PC.
Note
The accuracy and deviation of the calculated parameters are given in measurements on the lung model according to the ISO standard for normal lungs, lungs with a decrease in compliance to half the baseline value and lungs with an increase in airway resistance to twice the values.
!!! In BiPAP (Bilevel) and SIMV mode, the results of calculations and curves are affected by spontaneous ventilation of the patient during both Ti and Te (Thigh / Tlow), the most accurate results are in the 30 min trend, which eliminates (averages) deviations caused by spontaneous breathing.
This SW is intended for patients weighing more than 5 kg. It works from inspiratory flow values above 5 l / min.
* in extreme bronchospasm e.g. Status astmaticus, the measurement will be less accurate than indicated.
Price list (1 pc)
| quantity up to (pcs) | 50 | 100 | 200 | 500 | 1000 |
| Sk | 16000 | 14000 | 13000 | 12000 | 11000 |
| EUR | 400 | 350 | 325 | 300 | 275 |
Distributors
| Kalas s.r.o. | Mediconsult VV | Messer Tatragas s.r.o. |
| www.kalas.sk | https://www.messer.sk/ | |
| kalas@kalas.sk | torokp@he.psg.sk | jaroslav.tonkovic@messer.sk |