Portable oxygen concentrators and oxygen cylinders are two different ways of supplying supplemental oxygen.
Understanding their operating principles and limitations can help patients and caregivers discuss suitable equipment with their healthcare providers.
1. What is a portable oxygen concentrator?
A portable oxygen concentrator draws in surrounding air and concentrates oxygen using an internal separation system.
It requires a power source, usually a rechargeable battery or an electrical connection.
Different models offer different flow-delivery modes and capacities.
2. What is an oxygen cylinder?
An oxygen cylinder stores compressed oxygen in a pressurised container.
It does not need electricity to provide oxygen, but its available supply is limited by cylinder capacity and the prescribed flow.
3. Key differences
| Feature | Portable oxygen concentrator | Oxygen cylinder |
|---|---|---|
| Oxygen source | Concentrates ambient air | Stores compressed oxygen |
| Electricity | Requires power | Does not require electricity to deliver oxygen |
| Supply | Depends on power and device performance | Limited by stored oxygen |
| Portability | Depends on model and battery | Depends on cylinder size and weight |
| Refilling | Not applicable | Requires refilling or replacement |
| Flow mode | Pulse or continuous, depending on model | Continuous or conserving delivery, depending on regulator |
4. Important considerations
- Prescribed oxygen delivery mode.
- Required flow.
- Device compatibility with the prescribed therapy.
- Battery backup and operating duration.
- Portability and weight.
- Cylinder capacity, where applicable.
- Maintenance and service support.
A pulse-dose setting on a portable concentrator is not necessarily equivalent to the same numerical continuous-flow setting.
The patient should be assessed using the actual device and delivery mode prescribed for them.
5. Explore portable oxygen equipment at SAIMAA
SAIMAA's catalogue includes portable oxygen concentrators and portable oxygen cylinder kits in different configurations.
Contact the team for model details, specifications, prices and availability.