Patent ID: 11951239
Assignee: GUANGZHOU TALONG TECHNOLOGY CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 4:
5. The detachable breast pump according to claim 4, 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 opposite large-diameter end (203) and 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 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 fixed on the first opening (201) and connected to the variable pressure chamber (11).