Title:
A piston pump with variable buffer capacity
Document Type and Number:
Japanese Patent JP5948328
Kind Code:
B2
Abstract:
The invention comprises a breast pump apparatus comprising a vacuum pump and a variable-volume buffer volume coupled together in fluid communication. The apparatus also includes a breast-receiving portion coupled to the vacuum pump and the buffer volume such that the vacuum pump is operable to generate negative pressure at the breast-receiving portion to stimulate milk expression, and the negative pressure generated at the breast-receiving portion can be controlled by controlling the buffer volume.
Inventors:
Bosman, francis kius joseph
Tuck, Johannes Willem
Van der Fern, Efbert
Bucks, Peter Johannes
Bernard Arnoldus, Murder
Tuck, Johannes Willem
Van der Fern, Efbert
Bucks, Peter Johannes
Bernard Arnoldus, Murder
Application Number:
JP2013521268A
Publication Date:
July 06, 2016
Filing Date:
July 22, 2011
Export Citation:
Assignee:
KONINKLIJKE PHILIPS N.V.
International Classes:
F04B45/04; A61M1/00; A61M1/06
Domestic Patent References:
| JP2011010821A | ||||
| JP2007330702A | ||||
| JP2002035111A | ||||
| JP61206455A | ||||
| JP2007181736A | ||||
| JP558878U |
Foreign References:
| US20040087898 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Shinsuke Onuki
Tadahiko Ito
Shinsuke Onuki