Three ventilator models developed by VSSC likely to be ready for tech transfer by end of May Updated: Updated: May 09, 2021 13:57 IST Multi-disciplinary teams of space scientists at the ISRO facility had begun working on the ventilator designs following the COVID-19 outbreak last year Share Article AAA The design of 'PRANA' - standing for ‘Programmable Respiratory Assistance for the Needy Aid’ - is based on an Ambu bag (a commercial manual respirator bag) | Photo Credit: Special Arrangement Multi-disciplinary teams of space scientists at the ISRO facility had begun working on the ventilator designs following the COVID-19 outbreak last year Three mechanical ventilator models and a portable medical oxygen concentrator (MOC) developed by the Vikram Sarabhai Space Centre (VSSC), Thumba, as part of the battle against COVID-19 are expected to be ready for technology transfer by the end of this month.