| 摘要 |
PROBLEM TO BE SOLVED: To provide a small-sized air sending device easily prepared and capable of sending two or more kinds of gases by one device. SOLUTION: The air sending device 40 comprises: a first pipeline for supplying a laughing gas which is a first prescribed gas supplied from a laughing gas cylinder 43 as a first supply source into a first body cavity of a patient; a second pipeline for supplying carbon dioxide which is a second prescribed gas supplied from a carbon dioxide cylinder 42 as a second supply source to the first body cavity of the patient or a nearby second body cavity; and a first electropneumatic proportional valve and a second electropneumatic proportional valve as pressure adjusting means for adjusting the respective pressures of the gases supplied from the laughing gas cylinder 43 and the carbon dioxide cylinder 42 through the first pipeline and the second pipeline to the patient. COPYRIGHT: (C)2006,JPO&NCIPI |
