US 12,296,092 B2
CPAP device
Hiroki Maeda, Kyoto (JP); Yoshihide Amagai, Kyoto (JP); Yoshio Yamanaka, Kyoto (JP); and Yoshitaka Hane, Kyoto (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Kyoto (JP)
Filed on Jan. 11, 2022, as Appl. No. 17/647,638.
Application 17/647,638 is a continuation of application No. PCT/JP2020/020720, filed on May 26, 2020.
Claims priority of application No. 2019-129750 (JP), filed on Jul. 12, 2019.
Prior Publication US 2022/0134037 A1, May 5, 2022
Int. Cl. A61M 16/00 (2006.01); A61M 16/06 (2006.01); A61M 16/08 (2006.01)
CPC A61M 16/0066 (2013.01) [A61M 16/022 (2017.08); A61M 16/06 (2013.01); A61M 16/0816 (2013.01); A61M 2205/121 (2013.01); A61M 2205/14 (2013.01); A61M 2205/587 (2013.01); A61M 2205/8206 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A CPAP device that is configured to send, into an airway of a user, air introduced into the device, the CPAP device comprising:
a first unit which has a built-in blower; and
a second unit which has at least either one of a downstream-side channel through which air sent from the blower circulates, and an upstream-side channel through which air sucked into the blower circulates and to which the first unit is removably attached, wherein
the first unit has a cylindrical circulation portion through which air sent from the blower or sucked into the blower circulates,
a base unit that is the second unit has a connection portion to which the cylindrical circulation portion is connected,
the cylindrical circulation portion comprises a first terminal with conductivity, and
the connection portion comprises an opening which communicates an inside and an outside of the base unit, and a second terminal with conductivity which contacts the first terminal while the first unit is attached to the second unit, wherein
the second unit has the downstream-side channel, through which air sent from the blower circulates, and the upstream-side channel, through which air sucked into the blower circulates,
the first unit has a main channel in which an upstream end is connected to the upstream-side channel and a downstream end is connected to the downstream-side channel, while the first unit is attached to the second unit, and
a connection point between the main channel and the upstream-side channel, or a connection point between the main channel and the downstream-side channel comprises the cylindrical circulation portion and the connection portion.