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Oxygen concentrators

Date: 26 April 2021 Tags: Miscellaneous

Issue

Oxygen concentrator devices are in great demand from patients in home isolation and also from hospitals running out of medical oxygen.

 

Details

  • Oxygen concentrator is a medical device that concentrates breathable oxygen from atmosphere.

  • The device takes in air from the atmosphere, separates oxygen from remaining gases and transports it to patients for breathing.

  • A valve helps regulate supply of oxygen transported to the patients. The breathable oxygen is 90-95 percent pure and pressurised.

  • Even though the oxygen is only about 90-95 percent pure, it is good enough for patients with mild and moderate Covid-19 symptoms. It is not advisable to patients on ICU.

  • Concentrators can be used to serve two patients simultaneously but it is not advisable as it can cause cross infection.

 

Difference with oxygen cylinders

  • Oxygen concentrators can supply patients with 5 to 10 litres of oxygen per minute but critical patients may need 40 to 50 litres per minute. It can thus serve moderately ill individuals.

  • Concentrators are easily portable, need no cryogenic tankers and there is also no requirement of special temperature.

  • There is no need for timely filling of oxygen gas. Only thing it requires is continuous power source to draw air.

  • Oxygen concentrators cost between Rs 40,000 to 90,000 whereas cylinders cost about Rs 8,000 to 20,000. Concentrators are one-time investment and routine cost includes electricity and maintenance.

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