Punjab

DRDO develops sanitisation enclosures , face shields to save from COVID-19

Dilbag Singh | April 04, 2020 08:05 PM

 

JALANDHAR In the ongoing efforts against COVID-19 pandemic, Defence Research, and Development Organisation (DRDO) has been using scientific endeavors to develop products in an accelerated manner. The DRDO laboratories are working with industry partners for volume production.

 Defense directorate of public relations in a press release said that Vehicle Research Development Establishment (VRDE), Ahmednagar, a DRDO Laboratory has designed a full-body disinfection chamber called PSE. This walkthrough enclosure is designed for personnel decontamination, one person at a time. This is a portable system equipped with sanitizer and soap dispenser. The decontamination is started using a foot pedal at the entry. Upon entering the chamber, an electrically operated pump creates a disinfectant mist of hypo sodium chloride for disinfecting. The mist spray is calibrated for the operation of 25 seconds and stops automatically indicating completion of the operation. As per procedure, personnel undergoing disinfection will need to keep their eyes closed while inside the chamber.

 The system consists of roof-mounted and bottom tanks with a total of 700 liters capacity. Approximately 650 personnel can pass through the chamber for disinfection until the refill is required.

The system has see-through glass panels on sidewalls for monitoring purposes and is fitted with lights for illumination during night time operations. A separate operator cabin is provided to monitor overall operations.

The system has been manufactured with the help of M/s D H Ltd, Ghaziabad, within a time span of four days. This system can be used for the disinfection of personnel in the areas of controlled ingress and egress such as entry and exit to hospitals, malls, office buildings, and critical installations.

Research Centre Imarat (RCI), Hyderabad and Terminal Ballistics Research Laboratory (TBRL), Chandigarh, have developed face protection masks for health care professionals handling COVID-19 patients. Its lightweight construction makes it convenient for comfortable wear for a long duration. This design uses commonly available A4 size Over-Head Projection (OHP) film for face protection. The holding frame is manufactured using Fused Deposition Modeling (3D printing). The polylactic Acid filament is used for 3D printing of the frame. This thermoplastic is derived from renewable resources such as corn starch or sugarcane and is biodegradable. The face mask will be mass-produced using an injection molding technique fo volume production.

One thousand face shields are being produced daily in TBRL and provided to the Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh. Similarly, 100 are produced at RCI and these have been handed over to Employees' State Insurance Corporation (ESIC), Hyderabad. A demand of 10,000 shields has been received from PGIMER and ESIC Hospitals based on successful user trials.

 

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