| 摘要 |
An ergonomic face mask is provided for the administration of gas under a positive pressure to a patient. The face mask includes a cushion that provides a seal with the patient's face, and a dome connected to the cushion that receives a connection tube for receiving the gas from a source, such as a bag. The dome is asymmetrical, and defines a plurality of grooves and protuberances configured to allow the comfortable use of the mask with one hand.
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