Breast pump
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United States of America Patent
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Feb 23, 2016
Grant Date -
Feb 20, 2014
app pub date -
Mar 19, 2012
filing date -
Mar 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a breast pump operable to generate a negative pressure comprising a funnel (24) for receiving a breast of a user. The breast pump (24) has an insert (50,70) receivable in the funnel (24) having a deformable region (59a-59e) which forms a chamber between the insert (50,70) and the funnel (24) when the insert (50,70) is received in the funnel (24). A passageway (37) connecting the chamber to the source of negative pressure is formed in the funnel (24) so that, during use, the deformable region (59a-59e) is deformed and/or deflected relative to the breast of a user in response to a negative pressure in the chamber.
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