US 11,833,300 B2
Continuous positive airway pressure apparatus
Yuzo Higashiyama, Nagaokakyo (JP); Hiroaki Wada, Nagaokakyo (JP); and Shigeru Tsuji, Nagaokakyo (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Sep. 17, 2020, as Appl. No. 17/023,914.
Application 17/023,914 is a continuation of application No. PCT/JP2019/012775, filed on Mar. 26, 2019.
Claims priority of application No. 2018-067067 (JP), filed on Mar. 30, 2018.
Prior Publication US 2021/0001069 A1, Jan. 7, 2021
Int. Cl. A61M 16/08 (2006.01); A61M 16/10 (2006.01); A61M 16/00 (2006.01)
CPC A61M 16/0066 (2013.01) [A61M 16/0875 (2013.01); A61M 16/1045 (2013.01); A61M 2209/084 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A continuous positive airway pressure (CPAP) apparatus that feeds air suctioned into the CPAP apparatus to a respiratory tract of a user, the CPAP apparatus comprising:
a first unit including an air blower and a first housing in which the air blower is housed; and
a second unit including a second housing and being attachable to and detachable from the first unit, wherein
the first housing comprises
a first inlet port through which air is introduced from outside the first housing,
a first outlet port through which air is discharged from inside the first housing, and
a first flow path in which the air blower is provided and that connects the first inlet port and the first outlet port,
the second housing comprises
a second inlet port through which air is introduced from outside the second housing,
a second outlet port through which air is discharged from inside the second housing, and
a second flow path that connects the second inlet port and the second outlet port,
the first unit further includes a first silencer provided in a portion of the first flow path that is located between the first inlet port and the air blower,
the second unit further includes a second silencer provided in the second flow path,
in a first use state of the CPAP apparatus where the second unit is attached to the first unit, the second outlet port is connected to the first inlet port, and
in a second use state of the CPAP apparatus where the second unit is not attached to the first unit, the first inlet port is opened to outside.