Patent ID: 7896958

Claim:
A device for supplying domiciliary and ambulatory oxygen, comprising an oxygen filling station and a portable oxygen reserve that can be selectively connected to the filling station, the filling station comprising an oxygen concentrator intended to isolate gaseous oxygen from the air, a liquefier connected to one outlet of the concentrator to receive the isolated gaseous oxygen so that it can be liquefied, a transfer connector connected to one outlet of the liquefier and intended to be connected to an inlet connector of the reserve and a folding portable housing capable of being connected to a source of electrical power, the reserve comprising a tank connected to the inlet connector so that liquid oxygen can be transferred from the filling station to the tank, a delivery system comprising members for tapping off, heating and regulating the flow of the oxygen from the tank so as to deliver gaseous oxygen to a patient, the oxygen supply device comprising a gaseous oxygen outlet connector intended to be connected to the airways of a patient, the said oxygen outlet connector being situated on the portable oxygen reserve downstream of the delivery system, the device having a single gaseous oxygen outlet connector intended to be connected to the airways of a patient, the said single connector being situated on the portable oxygen reserve so that the patient has to remain constantly connected to the reserve in order to be supplied with gaseous oxygen by the latter both when the reserve is connected to the filling station and when it is not.