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ISRO to share portable medical oxygen concentrator tech

  • Category
    Science & Technology
  • Published
    24th May, 2021

The Indian space agency has announced to transfer the technology to make portable medical oxygen concentrators, Shwaas.

Context

The Indian space agency has announced to transfer the technology to make portable medical oxygen concentrators, Shwaas.

About

About the Concentrator, Shwaas

  • It is developed by ISRO’s rocket centre Vikram Sarabhai Space Centre (VSSC).
  • It can deliver an enriched level (over 95 per cent) of oxygen than in air to support patients with respiratory illness or who are on oxygen therapy.
  • The device enhances the oxygen gas content by selectively separating the nitrogen gas from ambient air through Pressure Swing Adsorption (PSA).
    • Pressure swing adsorption(PSA) is a technology used to separate some gas species from a mixture of gases under pressure. 
    • It separates them according to the species' molecular characteristics and affinity for an adsorbent material.
  • Shwaas is capable of supplying enriched oxygen continuously at 10 litres per minute (LPM) adequate for two patients at a time.
  • It is a 600 W device and operates at a voltage of 220 V/50 Hz.
  • It has a controllable oxygen flow of 0.5-10 LPM.
  • It has two oxygen outlets for oxygen concentration of 82 per cent and 95 per cent normal at a pressure of 50-80 kPa.
  • Shwaas has audible alarm for low purity, low & high levels of pressure and flow rate of oxygen.
  • The device has a LCD display showing oxygen concentration, flow rate, and pressure.
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