Tubes down the lungs is definitely a bit tricky, not all patients will require that model though. As for careful monitoring, that is something the machine does on its own, as long as it has been configured correctly for the individual patient.
Some patients might need supplementary oxygen delivered through a canula, or through a mask, but that's nothing like the procedure used for a vent.
Can you elaborate? This ventilator documentation[0] says for invasive and noninvasive ventilation
[0] https://www.usa.philips.com/healthcare/product/HCNOCTN98/res...