Negative Pressure Ventilator Mid/Late 1800’s
Woillez’s Spirophone 1876
Sauerbrach’s Negative Pressure Operating Chamber ,1904
Drinker and Shaw’s Iron Lung, 1929
1953 Polio Epidemic Ranchos Los Amigos Hospital California
Multiperson Negative Pressure Ventilator Boston Children's Hospital, 1950’s
Porta Lung
Chest Cuirass
Green and Janeway Rhythmic Inflation Apparatus, 1910
Drager’s Pulmotor, 1911
IPPB, Bird Mark 7 and Mark 8
Morch Volume Ventilator
Engstrom volume ventilator
Application of PEEP -Ashbough, Petty Lancet 1967
Seimens Servo 900
Modern Ventilators: PB840, and Servoi
