Patent ID: 11904077
Assignee: MEDELA HOLDING AG
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A breastpump for expressing human breastmilk, wherein the breastpump comprises a housing with a drive unit, a pump chamber with a flexible pump membrane, driven by the drive unit, for producing a vacuum, and a breast shield with an interior for receiving the expressed breastmilk,
wherein a cyclically changing negative pressure is appliable to the interior by means of the pump chamber,
wherein a milk channel leads from the interior into the pump chamber through a first inlet opening, wherein the expressed breastmilk flows from the interior of the breast shield into the pump chamber through the milk channel and wherein the pump chamber has an outlet opening, through which the expressed breastmilk flows from the pump chamber into a milk collection container,
a multipart hygiene module comprising a first part with a flow opening for connecting to the interior, a valve body with at least one valve, and a second part with a rigid cup for forming the pump chamber, wherein the breast shield is directly connected to the housing of the breastpump in a detachable manner, and the valve body is arranged between and sealingly engages the first part and the second part when the breast shield is connected to the housing of the breastpump.