| 摘要 |
FIELD: medicine.SUBSTANCE: group of inventions refers to medicine. A breathing appliance for gas delivery to the patient comprises a gas passage, which has proximal and distal ends, and an accessory gas inlet in a side wall of the gas passage; the accessory gas inlet is applicable to deliver gas along an inner surface of the gas passage so that the gas travels along a generally spiral path towards the distal end of the gas passage.EFFECT: group of inventions enables reducing the injury rate when in use and simplifying the design.26 cl, 13 dwg |
