US 11,986,580 B2
Wearable breast pump
Likang Luo, Guangzhou (CN)
Assigned to GUANGZHOU TALONG TECHNOLOGY CO., LTD., Guangzhou (CN)
Filed by Guangzhou Talong Technology Co., Ltd., Guangzhou (CN)
Filed on Jul. 7, 2023, as Appl. No. 18/348,368.
Claims priority of application No. 202310668789.7 (CN), filed on Jun. 6, 2023.
Prior Publication US 2023/0347026 A1, Nov. 2, 2023
Int. Cl. A61M 1/06 (2006.01)
CPC A61M 1/069 (2021.05) [A61M 1/06 (2013.01); A61M 1/067 (2021.05)] 8 Claims
OG exemplary drawing
 
1. A wearable breast pump, comprising a host machine (100), a cup (200) and a flowing channel unit (300), the host machine (100) comprising a variable pressure chamber (11), the cup (200) being detachably connected to the host machine (100) through the variable pressure chamber (11), the flowing channel unit (300) being detachably arranged inside the cup (200) and separating an internal space of the cup (200) into a flowing channel (210) and a milk storage bowl (211), and the flowing channel (210) being communicated with the variable pressure chamber (11), the milk storage bowl (211), and the outside of the wearable breast pump;
wherein the cup (200) comprises a cup body (21) and a silicone trumpet cover (22);
the cup body (21) has a first opening (201) and a second opening (202); the first opening (201) is configured to connect to the host machine (100), and the second opening (202) is provided with the silicone trumpet cover (22); the silicone trumpet cover (22) has a larger-diameter end (203) opposite a smaller-diameter end (204); the large-diameter end (203) is connected to the second opening (202); and the smaller-diameter end (204) extends toward an inside of the cup body (21) and is connected to the flowing channel unit (300); and
correspondingly, the flowing channel unit (300) is positioned inside the cup body (21); the flowing channel unit (300) comprises a three-way valve (31) and a breast flange (32); a liquid inlet (311) of the three-way valve (31) is connected to the smaller-diameter end (204) of the silicone trumpet cover (22); the three-way valve (31) is provided thereon with the breast flange (32); and the breast flange (32) is connected to the first opening (201);
wherein the variable pressure chamber (11) comprises a spacer (101), a chamber cover plate (102) and a silicone suction cup (103);
the spacer (101) is fixed at the open end of the housing (12) and isolates the housing (12) from the outside of the variable pressure chamber; the spacer (101) is formed thereon with an air hole (1010) communicated with the air pump module (14); the chamber cover plate (102) is connected to the spacer (101) and is arranged opposite to the spacer (101); and a variable pressure chamber body (104) is enclosed between the spacer (101) and the chamber cover plate (102); and
the silicone suction cup (103) is moveably arranged inside the variable pressure chamber body (104), and correspondingly, the chamber cover plate (102) is formed thereon with an air hole unit (105) directly opposite the silicone suction cup (103), and the air hole unit (105) is communicated with the outside of the variable pressure chamber.