Patent ID: 11957818
Assignee: MEDELA HOLDING AG
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A breast shield unit of a breast pump for expressing human breastmilk, the breast shield unit comprising a breast shield to be placed onto a mother's breast, a breastmilk collection container for receiving expressed breastmilk, an adapter for connecting the breast shield to the breastmilk collection container and a valve head, with a breastmilk channel extending from the breast shield into the breastmilk collection container through the adapter and the valve head, and the valve head comprising a valve, said valve closing and opening the breastmilk channel during a pumping action, wherein a fill level sensor for measuring a fill level of the breastmilk collection container is arranged in the valve head, wherein the fill level sensor is a distance sensor for measuring a distance from a surface of the expressed breastmilk situated in the breastmilk collection container, the distance sensor being a time-of-flight sensor, the distance sensor being situated on a longitudinal central axis of the breastmilk collection container.