A BREAST PUMP
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Dec 8, 2022
filing date -
Dec 8, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A breast pump is provided which comprises a milk expression system of a pressure source, a breast shield and a first diaphragm between a pressure delivery outlet of the pressure source and a cavity formed by the breast shield over the breast. A valve arrangement is provided, and a second diaphragm is between the outlet of the P pressure source and the valve arrangement. The valve arrangement and second diaphragm are used to generate, from the pressure delivery outlet of the pressure source, a baseline pressure to be applied to the cavity, for example via the internal volume of a milk collection container. The breast shield is for receiving part of the breast and providing a seal to enable creation of an under-pressure.
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