Kolkata scientist invents pocket ventilator
Kolkata: Amid the Covid-19 crisis, a scientist in Kolkata invented a pocket ventilator, a first of its kind. According to the reports, Dr Ramendra Lal Mukherjee, an engineer by profession, developed a battery-operated pocket-sized ventilator that provides instant support to positive patients with a breathing problem. Mukherjee said that it is easy to operate and inexpensive too. It is a great substitute for the CPAP devices used in hospitals. He mentioned that he came up with the idea of pocket ventilator when his own oxygen level was dropped while suffering from Covid-19.