Apparatus for extracting milk from lactating women
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United States of America Patent
Stats
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N/A
Issued Date -
Dec 25, 2003
app pub date -
Jun 24, 2002
filing date -
Jun 24, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Milk is extracted from a human breast by placing the breast in a cup having a vacuum port. The cup also has a flexible liner that allows vacuum to extract milk when the liner is in a first, open position, the milk being drawn into the vacuum port by the vacuum when the liner is in the first position. The liner also has a second position in which the nipple of the breast is compressed enough to substantially reduce the flow of milk from the breast. The liner is opened and closed in a pulsating manner at a predetermined pulsation rate. The user may select a pulsation ratio that produces acceptable milk transfer and comfort. Optimum pulsation ratios vary from user to user, but are generally between about 20% and about 80% for the vacuum portion of the pulsation cycle.
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Family
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