Oxygen concentrators are medical devices that extract and concentrate oxygen from ambient air, delivering therapeutic oxygen to patients with respiratory conditions. Unlike traditional oxygen tanks that require regular refilling, concentrators provide an unlimited, on-demand supply of supplemental oxygen — making them the preferred solution for long-term oxygen therapy in hospitals, clinics, skilled nursing facilities, and home care settings.
Whether you're outfitting a respiratory therapy department, expanding your home medical equipment fleet, or adding oxygen delivery capability to a rural clinic, BuyOnMedix connects healthcare providers with trusted suppliers offering new, certified refurbished, and lease-to-own oxygen concentrators at competitive prices.
Oxygen concentrators are critical respiratory support devices with broad clinical and economic advantages:
Oxygen concentrators come in several form factors optimized for different care settings and patient mobility needs.
Full-size units designed for fixed placement in a patient's home or clinical setting. They typically deliver 5–10 liters per minute (LPM) of continuous-flow oxygen at 87–96% purity. They weigh 30–55 lbs and run on standard household AC power. Leading models include the Invacare Platinum, Respironics EverFlo, and DeVilbiss 525DS.
Lightweight, battery-powered units weighing 3–20 lbs that allow patients to receive oxygen therapy while mobile. Most POCs deliver pulse-dose (intermittent) oxygen triggered by inhalation, though some models offer continuous flow up to 3 LPM. Popular models include the Inogen One G5, Respironics SimplyGo, and CAIRE FreeStyle Comfort.
Powerful stationary units capable of delivering 8–10+ LPM of continuous-flow oxygen. Used in clinical settings, skilled nursing facilities, and for patients with high oxygen demands. They may also supply oxygen to multiple patients simultaneously via manifold systems.
Mid-size units that bridge the gap between stationary and portable. Weighing 15–25 lbs with both AC and DC power options, they offer continuous flow capability with more portability than stationary units. Ideal for patients who need continuous flow but also need to move between rooms or travel by car.
Selecting an oxygen concentrator requires matching the device to the patient's prescription, lifestyle, and clinical setting:
Oxygen concentrator prices vary based on type, output capacity, and features:
A well-maintained stationary oxygen concentrator typically lasts 5–10 years. Portable units may have shorter lifespans (3–7 years) due to battery degradation and the wear associated with mobile use. Regular filter cleaning and replacement extends service life.
Continuous flow delivers a constant stream of oxygen at the set liter rate. Pulse dose delivers a bolus of oxygen only when the patient inhales, conserving oxygen output and extending battery life. Some patients — particularly those needing oxygen during sleep — require continuous flow.
Yes. Many portable oxygen concentrators are FAA-approved for use on commercial flights. Always check the specific airline's requirements, carry your prescription documentation, and ensure you have enough battery capacity for the flight duration plus delays.
Most modern concentrators produce 38–50 dB of noise — comparable to a quiet conversation or library environment. Newer models are significantly quieter than older designs. If noise is a concern, check the manufacturer's dB rating before purchasing.
Yes. Regular maintenance includes cleaning or replacing air intake filters (weekly to monthly), periodic oxygen purity testing, checking tubing and connections, and annual professional servicing. Sieve beds (the molecular sieves that separate oxygen) may need replacement every 3–5 years.
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