If they can make the whole pumping thing mechanical then you will probably see them emerging as leaders in this field.His team used AmbuBag only for prototype.
They don’t have to use it in production version.
And proportionator can be added. It’s not that tough. It’s just like a valve assembly .
However the whole sensor suite is entirely different task and will certainly be tough.
But it can be purchased from OEMs.
Here is the another solution