Fracassi immediately started tinkering with his engineers to reverse-engineer a 3D-printed version of the official part. Called a venturi valve, it connects to a patient’s face mask to deliver ...

The crucial part of the equipment is the 3D-printed 'Venturi valve', a device named after 18th-century physicist Giovanni Battista Venturi which connects the mask to an oxygen tube. The company ...

Another type of mask, the Venturi mask, delivers oxygen at higher levels. Sometimes nasal cannulas are also used to deliver high levels of oxygen. They can also be administered in hospitals to ...

Italian engineers came up with the idea to 3D print respiratory valves, a crucial part of the makeshift mask that connects ... "They're called Venturi valves and are impossible to find at the ...