NO delivery device with emergency dosing system

Abstract: the invention relates to an no delivery apparatus () for supplying an no-containing gas, comprising an no injection line () with a normally closed valve device (), and a flow rate measurement device (); an emergency circuit () comprising an emergency line () connected to the injection line (), with a normally open emergency solenoid valve (); and operating means (). in the event of malfunction of the operating means (), the flow rate control device () supplies the gas at a pre-fixed emergency flow rate of gas that has been determined prior to said malfunction. a multi-way solenoid valve () is arranged downstream of the flow rate control device () and supplies dosing lines () having a calibrated orifice device (). installation () for supplying gas to a patient and comprising such an apparatus ().

Inventor(s): Thierry BOULANGER, Frederic MARCHAL, Akshar PATEL

CPC Classification: A61M16/12 (by mixing different gases)

Search for rejections for patent application number 20250213812