Sometimes it is confusing and different names are used that all refer to the same device the Oxygen Concentrator. Examples are:
- Oxygen Device
- Concentrate
- Konzentrate
- Oxygen machine
- Stationary concentrator
- Oxygen generator
- Oxygen appliance for home
- Oxygen concentrator
The following designations are also used for portable oxygen concentrators:
- Portable oxygen device
- Portable device
- Portable oxygen concentrator
- Portable oxygen concentrator
- Pulse concentrator
- and even small oxy machine
