CPC A61M 16/125 (2014.02) [A61M 16/0066 (2013.01); A61M 16/024 (2017.08); A61M 16/0816 (2013.01); A61M 16/1005 (2014.02); A61M 16/12 (2013.01); A61M 16/201 (2014.02); A61M 16/203 (2014.02); A61M 2016/0027 (2013.01); A61M 2016/0039 (2013.01); A61M 2016/1025 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/502 (2013.01)] | 19 Claims |
1. A medical ventilator system comprising:
a ventilator comprising a first environmental gas inlet, an inspiratory port, an expiratory port, and a blower, wherein the blower is located in a gas flow path between the first environmental gas inlet and the inspiratory port;
an oxygen regulator comprising an oxygen inlet, a second environmental gas inlet, a mixing valve, a plenum upstream of the mixing valve, a pressure sensor for measuring a pressure inside the plenum, and a mixed gas outlet, wherein the mixing valve combines oxygen from the oxygen inlet and gas from the second environmental gas inlet into a mixed gas provided to the mixed gas outlet; and
a fluidic coupling between the ventilator and the oxygen regulator for coupling the mixed gas outlet of the oxygen regulator to the first environmental gas inlet of the ventilator.
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