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IIT-Kanpur, SGPGIMS develop alternative to N-95 masks

Kanpur: The Indian Institute of Expertise Kanpur (IIT-Okay) and Sanjay Gandhi Put up Graduate Institute of Medical Sciences (SGPGIMS), in a joint undertaking, have developed a working prototype of a Optimistic Strain Respirator System (PPRS) to deal with the issue of acute international shortage of N-95 respirator masks that are a crucial part of Private Safety Gear (PPE) kits.

The workforce behind the undertaking embrace Professor Nachiketa Tiwari of IIT-Kanpur and Professor Devendra Gupta, in-charge, COVID-19 ICU at SGPGIMS.

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Prof Tiwari mentioned that the PPRS is a a lot safer various to the N-95 respirator for the reason that present N-95 respirator doesn’t defend the person if there may be an imperfect seal between the masks and the face, as there may be destructive stress contained in the masks.

“In contrast, the PPRS provides uncontaminated air by using positive pressure. Thus, contaminated air from the room cannot enter the PPRS even in presence of any leakage,” Prof Tiwari defined.


He mentioned that as in comparison with the PPRS, N-95 respirator is simply 95 per cent environment friendly, thus posing a threat of an infection to well being professionals working in isolation wards with numerous Corona contaminated sufferers for longer durations. The PPRS eliminates this threat as effectively.

The PPRS is actually made up of a cushty and leak-proof clear enclosure for mouth and nostril, which receives constructive stress air from a conveyable, gentle, and wearable air-bottle. It additionally has a trolley-mounted oxygen cylinder. The system can ship uncontaminated air for over six hours. It makes use of regionally produced dependable one-way valves to keep away from the influx of contaminated air.

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The brand new PPRS incorporates a number of design options to guard the person from contamination and has a free measurement design.

Prof Tiwari mentioned that the PPRS units might be produced in very massive numbers in a really brief time-frame throughout the nation. The design workforce has additionally developed a product-process video, which might be considered to fabricate the system regionally.


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