Ahh ok, I confused a "Bag Valve Mask" similar to this one https://www.walmart.com/ip/LINE2design-Adult-BVM-Bag-Valve-Mask-Disposable-Resuscitators-One-Size/942

Ahh ok, I confused a "Bag Valve Mask" similar to this one https://www.walmart.com/ip/LINE2design-Adult-BVM-Bag-Valve-Mask-Disposable-Resuscitators-One-Size/942193562 https://www.walmart.com/ip/LINE2design-Adult-BVM-Bag-Valve-M... With the respirator your describing which is a complicated expensive machine. There are several stories of people being kept alive for years using just bag valve masks. https://www.dailymail.co.uk/health/article-2270178/Chinese-man-kept-alive-years-HOMEMADE-ventilator-family-squeeze-18-times-minute.html https://www.dailymail.co.uk/health/article-2270178/Chinese-m... This is a pdf about a project a MIT student worked on in 2010 that automates the squeezing of the bag. https://web.mit.edu/2.75/projects/DMD_2010_Al_Husseini.pdf https://web.mit.edu/2.75/projects/DMD_2010_Al_Husseini.pdf