Apparatus for administering a gas to a person or an animal

Details Apparatus for administering a gas to a person or an animal Apparatus for administering a gas to a person or an animal

2007-04-24

2007-04-24

Bennett, Henry (Department: 3743)

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

C128S204260, C128S205130, C128S204180, C128S205240

Reexamination Certificate

active

10220888

ABSTRACT:
An apparatus (1) for administering a gas to a person or an animal, is provided with a chamber (9) for receiving a quantity of gas to be administered. The chamber is provided with a gas line (3) for supplying gas from a source to the chamber (9) and elements for pressurizing the gas in the chamber. The chamber (9) is connected to a breathing tube (5) for supplying pressurized gas from the chamber (9) to the person or the animal, wherein the breathing tube (5) connects to a discharge channel (26), for discharging gas exhaled by the person or the animal, via a valve (11), which restricts the flow of exhaled gas from the breathing tube (5) to the discharge channel (26) in order to build up gas pressure in the breathing tube (5) during exhalation.

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