| 摘要 |
The respirator gas mask for a patient has a chamber (3) with a gas inlet and an outlet (8) connected to a respiratory passage (10) of the patient. A seal (11) prevents contact between the gas outlet and the atmosphere. A flexible envelope (12) inflates to surround the seal and has a greater flexibility. The envelope is connected to one side of the seal, with the chamber and with the atmosphere on its opposite side. The envelope can be a plastics with a thickness of several microns. |
