Method and apparatus for minimum negative pressure control,...

Details Method and apparatus for minimum negative pressure control,... Method and apparatus for minimum negative pressure control,...

A - Human Necessities

61

M

A61M 1/06 (2006.01)

Patent

CA 2682491

A breastpump, manual or motorized, that includes a mechanism to regulate pressure change, e.g., vacuum, within a breastshield chamber, including in some cases to a maintained minimum pressure that is less than ambient (atmosphere). The pressure regulator provides control for varying negative pressure between a minimum value and a maximum value (and values in between), or to achieve a specific actually measured negative pressure value within a breastshield.

L'invention concerne un tire-lait manuel ou électrique qui comprend un mécanisme régulant le changement de pression, p. ex. vide, dans une chambre de capuchon de sein, y compris dans certains cas pour maintenir une pression minimum inférieure à la pression ambiante (atmosphérique). Le régulateur de pression assure la régulation de manière à faire varier la pression négative entre une valeur minimum et une valeur maximum (et les valeurs intermédiaires), ou pour produire une valeur de pression négative spécifique mesurée réellement dans le capuchon de sein.

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