Doctors at a private hospital here have successfully placed a kid-sized metallic stent across the narrowed part of the oesophagus of a 10-year-old-boy who was unable to swallow his own saliva leave aside food and water after gulping down sulphuric acid by mistake. The boy's oesophagus in other words the food pipe -- a muscular tube connecting the throat (pharynx) with the stomach -- was burnt by the acid which he had mistaken for a cold drink. Suffering from significant malnutrition for his inability to eat for almost a month and weighing a mere 20 kgs Vishwa's (name changed) health was