US Patent 11986580 Wearable breast pump

The present disclosure provides a wearable breast pump, including a host machine, a cup and a flowing channel unit. The host machine includes a variable pressure chamber. The cup is detachably connected to the host machine through the variable pressure chamber. The flowing channel unit is detachably arranged inside the cup and separates an internal space of the cup into a flowing channel and a milk storage bowl. The flowing channel is communicated with the variable pressure chamber, the milk storage bowl and the outside. The wearable breast pump has the flowing channel unit arranged inside the cup, achieving structural optimization, whereby making the structure more concise and the shape more beautiful, as well as increasing the integration level and reducing the occupied space.