Categories: Health

Indian scientists develop robust ‘Oxyjani’ device for patients in rural & emergency settings

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<strong>Indian scientists have succeeded in developing a robust, mobile group oxygen concentrator that can be used in rural settings and also be rapidly deployed in emergencies in any location, the ministry of science and technology informed on Thursday.</strong></p>
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A team from the government’s Jawaharlal Nehru Centre for Advanced Scientific Research, developed this new solution with the name ‘OxyJani’ based on the principles of Pressure Swing Adsorption (PSA) technology. The team replaced lithium zeolites (LiX) which is usually used in oxygen concentrators, with sodium zeolites which does not generate toxic solid waste and can be manufactured in India.</p>
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This new class of technology called “group concentrators” has the robustness of large PSA plants, portability similar to the personal concentrators, and is affordable. The device is in the range of 30-40 lpm, which is potentially useful for ICU uses too.</p>
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<strong>Also read: <a href="https://www.indianarrative.com/science-news/indian-scientists-develop-cheap-way-to-double-life-of-batteries-to-run-electric-cars-96502.html">Indian scientists develop cheap way to double life of batteries to run electric cars</a></strong></p>
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Although the science behind it is well understood, developing an engineering solution that can work with sodium in a portable device and fill this specific market gap when there are severe sourcing problems posed engineering challenges. Obstacles had to be overcome at each stage of the cycle, from working with the available zeolites to effective ways of dehumidifying and designing the right adsorption-pressure cycle.</p>
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The concentrator is modular and capable of delivering a range of solutions, conversion of medical air to medical oxygen, and is an entirely off-grid solution including all modules that can facilitate deployment in rural areas. Moreover, the waste from the 13X zeolite plant can be potentially a good agricultural input material.</p>
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It was developed during the second wave of COVID-19 which had led to an acute shortage of medical oxygen. While the crisis in the bigger cities was more about rapidly responding by overcoming supply chain limitations, in smaller cities and villages, the crisis exposed the chronic lack of medical oxygen infrastructure in the country.</p>
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<strong>Also read: <a href="https://www.indianarrative.com/science-news/indian-scientists-develop-new-process-to-enhance-life-of-aluminium-used-in-planes-cars-93624.html">Indian scientists develop new process to enhance life of Aluminium used in planes & cars</a></strong></p>
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Overcoming the crisis required two types of solutions — 5 to 10 lpm personalized O2 concentrators for home uses and 500 lpm PSA plants for large hospitals. While the 500 Ipm plants for hospitals were robust, they lacked the portability required for deployment on resource-poor settings, while personal concentrators were too fragile to be used on a sustained basis in a hospital setting. This created a need for a robust technology with necessary portability.</p>
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The financial assistance for the prototype was provided through JNCASR and the Nidhi Prayaas scheme of IIT Kanpur. The zeolite material was obtained through a generous donation from Honeywell UOP, Italy, the ministry statement said.</p>

IN Bureau

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