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1. What is an Oxygen Concentrator?
An oxygen concentrator is a medical device that takes in room air, removes nitrogen, and delivers concentrated oxygen to the patient.
It is used for patients with:
- Chronic lung diseases (COPD, ILD, pulmonary fibrosis)
- Post-COVID breathlessness
- Low blood oxygen (SpO₂ consistently < 90% on room air)
2. Types of Oxygen Concentrators
A. Based on Portability
| Type | Flow Range | Best For | Pros | Cons |
|---|---|---|---|---|
| Stationary (Home) | 1–10 LPM | Long-term home oxygen therapy | High capacity, durable | Heavy (15–30 kg), not travel-friendly |
| Portable | 1–5 LPM (Pulse dose) | Outdoor/Travel use | Lightweight (2–5 kg), battery-powered | Lower capacity, costlier |
B. Based on Flow Delivery
- Continuous Flow: Delivers constant oxygen flow (good for sleep and severe patients).
- Pulse Dose: Delivers oxygen only when the patient inhales (battery-efficient, portable units).
3. Key Factors to Consider Before Buying
A. Flow Rate
- Match your doctor’s prescription (e.g., 1–5 LPM, 1–10 LPM).
- Buy a machine with at least 1 LPM more than prescribed for safety margin.
B. Oxygen Purity
- Should maintain ≥90% purity at the recommended flow rate.
- Some cheaper machines drop purity at higher flows — check specs.
C. Power & Battery
- Home units: 300–600W, continuous AC power.
- Portable units: Rechargeable battery, 3–8 hours per charge.
D. Noise Level
- Quieter models are ≤45 dB (important for night use).
E. Filters & Maintenance
- Easy-to-clean filters.
- Service availability in your city.
F. Warranty & Support
- Minimum 2–3 years warranty.
- Check availability of spare parts and local service centers.
4. Recommended Brands & Models (India)
Bestseller #1
- 1-Lightweight and easy to transport a, 14kg
- 2-The respironics oxygen concentrator provides up 5lm oxygen
- 3-Useful in nature
₹46,000
Bestseller #2
- High Performance & Reliability
- Up to 9 Liters Oxygen Output making it appropriate for users with Higher Oxygen Needs.
- User-Friendly & intuitive interface that allows patients to manage it without technical knowledge.
₹88,990
Bestseller #3
- PURITY : Provides Oxygen at a purity of 93 +/- 3% at all the times and purity can be checked on the LCD screen
- IN-BUILT OXYGEN ANALYZER : Automatic alarm if purity falls below medical grade.
- UPTO 5 LPM FLOW RATE : Provides Oxygen up to a maximum flow rate of 5 Liters per minute
₹45,000
Bestseller #4
- The Inogen G5 includes :- Nasal cannula , Carry Case , Power Adaptor , Car Auxillaroy Cable, User manual
- The Inogen One G5 Oxygen Concentrator is used on a prescriptive basis by patients requiring supplemental oxygen. It supp…
- It delivers oxygen at a flow rate of 1 to 6 L/M with oxygen purity upto 90-93%. It requires AC current of 100 – 240 VAC …
₹2,55,000
- Philips Respironics EverFlo – 5 LPM, 31 lbs, reliable, quiet.
- Invacare Platinum 9 – 9 LPM, for high-flow needs.
- Oxymed Mini (5L) – compact home unit.
- Inogen One G5 – portable, pulse dose, long battery life.
5. Price Range (India, 2025)
- Home concentrators (5 LPM): ₹35,000–₹55,000
- High-flow (10 LPM): ₹60,000–₹1,00,000
- Portable: ₹1,50,000–₹2,50,000
6. Safety & Usage Tips
✅ Always use as prescribed by your doctor.
✅ Keep away from flames/smoking — oxygen supports combustion.
✅ Use only distilled water in the humidifier bottle.
✅ Clean filters regularly.
✅ Monitor SpO₂ with a pulse oximeter.
7. When NOT to Use Without Medical Advice
⚠️ Mild breathlessness without documented low oxygen (risk of overuse).
⚠️ Without a prescription for patients with CO₂ retention (COPD risk).