hat
Te konsèp la nan trete pasyan anba kondisyon presyon kontinye nan Fontaine a franse chirijyen, ki moun ki pita bati yon chanm opere presyon mobil nan 1879. Fontaine te jwenn ke rale oksid Nitrous te gen yon puisans pi gwo anba presyon, nan adisyon a pasyan li yo gen amelyore oksijenjenasyon.
eng
The concept of treating patients under pressurized conditions was continued by the French surgeon Fontaine, who later built a pressurized mobile operating room in 1879. Fontaine found that inhaled nitrous oxide had a greater potency under pressure, in addition to his patients having improved oxygenation.