主权项 |
1. An operating unit for a breast pump system, comprising a housing and a vacuum pump received in said housing, the housing having a connector for attaching a tube, and an outer surface about which a tube can be wrapped, wherein at least a section of the outer surface is curved so that the tube can be wrapped about the housing without buckling, wherein the outer surface comprises a recess and the connector is located in the recess, and wherein a surface of the recess curves away from the connector so that the surface of the recess guides and supports a tube when the tube is connected to the connector, such that a portion of the tube proximal to the connector does not buckle. |