- For a rough estimation of the consumption of fresh gas please refer to the calculation sheet
provided on the following website: https://www.draeger.com/en-us_us/Home/novel-coronavirus-
outbreak
6 Oxygen concentrator “O
2
93”
- The use of concentrated oxygen (“O
2
93”) is not approved with Dräger anesthesia devices. In
case of shortages of pure oxygen, “O
2
93” can be used with most Dräger anesthesia devices.
Ensure that the fresh gas flow equals at least the minute volume of the patient (to prevent
argon accumulation). Make sure that the alarm limit for FiO
2
low is set to an appropriate value,
considering enough buffer for reaction of the user, as an overload of an oxygen concentrator
may result in lower oxygen concentration of the provided supply gas. Some accuracy values
required by the anesthesia workstation standards may not be fully achieved, e.g. patient flow
measurement, fresh gas flow, and fresh gas concentration.
7 Direct injection of volatile agents at Y-piece (not recommended)
- Systems for direct injection of volatile agents at the Y-piece (e.g. Anaconda, MIRUS) are
not approved with Dräger anesthesia devices.
8 Ventilating multiple patients with one device (not recommended)
- Ventilating multiple patients with one device is not recommended. Please refer to the Dräger
customer letter “COVID-19: Usage of multiple patients on one ventilator” on the following
website: https://www.draeger.com/en-us_us/Home/novel-coronavirus-outbreak
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