Suction Sequences for a Breastpump
Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- MEDRAD INC.
- Publication Date
- 2011-02-10
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
[0001] This application is a continuation-in-part of U.S. patent application Ser. No. 09 / 476,076, filed Dec. 30, 1999, which claims the benefit of U.S. Provisional Application No. 60 / 170,070, filed Dec. 10, 1999.FIELD OF THE INVENTION
[0002] This invention relates to breastpumps for drawing breastmilk, and particularly to a motorized, such as electrically driven, breastpump.BACKGROUND OF THE INVENTION
[0003] Breastpumps for use by nursing mothers are well known. They allow the nursing woman to express the breastmilk as necessary or convenient, and further provide collection of the breastmilk for later use. For some mothers, breastpumps may be a necessity, such as when the child has suckling problems, or if the mother has problems with excessive or deficient milk production, or soreness, deformation or injury of the mammilla.
[0004] Manual breastpumps are commonplace, primarily because they are relatively inexpensive and easy to transport. Being manually driven, however, stroke rate and suc...