LIDS ventilator-cum-respirator (LIDS-VR) mask

Context: Madurai Kamaraj University professor develops respirator that picks up atmospheric oxygen.

Called LIDS-VR mask, it contains sensors to regulate the level of oxygen.
The present LIDS ventilator-cum-respirator (LIDS-VR) works by providing a high concentration of oxygen into the available air within the mask.
It can help a sick patient waiting for ambulance or shoppers in a crowded mall
This ventilator-cum-respiratory mask that ensures more than 40% of atmospheric oxygen is available within the mask.
When necessary, the respirator can double up as a ventilator.

LIDS-VR mask