主权项 |
1. A breastshield, comprising: a soft one-piece breastshield defining a nipple tunnel, said nipple tunnel having a changeable diameter, wherein said diameter of said nipple tunnel is configured to change in response to a compressive force applied to an outer surface of said breastshield in order to vary a size or a shape of said nipple tunnel without the aid of vacuum being applied to said breastshield.
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