| 摘要 |
PROBLEM TO BE SOLVED: To alleviate trouble involved in maintenance of a filter.SOLUTION: A filter structure includes: an air blower 10 with a suction port 10a that compresses gas taken from the suction port 10a and supplies the compressed gas to a respiratory system of a patient; a housing 15 that accommodates the air blower 10 and includes a vent hole 15a connected to the suction port 10a; a bag 16, at least part of which is made of nonwoven paper 16a, which is a filter material, for wrapping the housing 15; and a chamber forming member 17 interposed between the housing 15 and the bag 16 for forming a chamber CAM between the vent hole 15a and the nonwoven paper 16a. |
