Breast pump

Details Breast pump Breast pump

2005-07-26

2005-07-26

Lucchesi, Nicholas D. (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S075000, C600S573000, C417S415000, C119S014080

Reexamination Certificate

active

06921379

ABSTRACT:
The invention relates to a breast pump, which in addition to a drive motor (7), vacuum diaphragm pump (1) and programme-controlled electronics (4), comprises a vacuum chamber (12) with a separation diaphragm (13), which is connected between a pump intake conduit (9) and an extraction hood (11). The first chamber (14) is equipped with a device (16) for the negative or positive aeration of said chamber. Said device (16) is also programme-controlled by the electronics (4) during the normal continuous operation of the pump (1).

REFERENCES:
patent: 4280445 (1981-07-01), Phillips
patent: 4365589 (1982-12-01), Phillips et al.
patent: 4961726 (1990-10-01), Richter
patent: 5954690 (1999-09-01), Larsson
patent: 39 16 699 (1989-05-01), None
patent: WO 00/66195 (2000-11-01), None

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