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Portable electric breast pump

  • US 4,772,262 A
  • Filed: 04/27/1987
  • Issued: 09/20/1988
  • Est. Priority Date: 04/16/1985
  • Status: Expired due to Term
First Claim
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1. A breast pump flange for connection with a vacuum source, comprising:

  • (a) a tubular throat portion having a wall defining an internal opening, the throat portion having opposing first and second ends, the first end of the throat portion being configured to receive a nipple within the internal opening;

    (b) a conical mouth portion configured to receive a breast and having a resilient wall, the wall having an inner end contiguously connected with the first end of the throat portion and an outer end;

    (c) vacuum connection means for connecting the second end of the throat portion to the vacuum source and selectively producing a vacuum within the internal opening of the throat portion; and

    (d) one or more ridges integrally formed with the throat portion near the first end thereof to protrude into the internal opening of the throat portion, the ridges oriented to at least partly encircled a nipple inserted into the throat portion.

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