What are the key points to consider when purchasing a safe ICU ventilator, I-I-I Interview with Prof. Erwan L'HER, France

I Minute @ ESICM Lives 2017, Vienna, Austria
I Question: What are the key points to consider when purchasing a safe ICU ventilator?
I Answer: Prof. Erwan L'HER, Médecine Intensive et Réanimation, CHRU de Brest, France