Patent ID: 8535264
Filing Date: 2013-09-17
Classification: A61M

Abstract:
1. A milk-extraction device with a drive motor ( 1 . 1 ) and a vacuum generation unit ( 1 ) having a vacuum-generating device ( 1 . 2 , 1 . 2 ′), a change-over unit ( 2 ) attached via pressure lines to the vacuum-generating device ( 1 . 2 , 1 . 2 ′) including a rotational valve having a rotatingly driven change-over member ( 2 . 10 ) which determines extraction cycles, and at least one extraction attachment ( 10 , 10 ′) which is brought into a flow connection with the change-over unit ( 2 ) and having a suction funnel ( 6 ) which can be applied to a breast, and a milk receptacle ( 7 ), the milk-extraction device comprising: for being rotatorily driven, the change-over member ( wherein the gear train ( wherein for operating the vacuum generation unit, a crankshaft ( wherein the at least two vacuum-generating devices (