Breastshield with multi-pressure and expansible chamber...

Details Breastshield with multi-pressure and expansible chamber... Breastshield with multi-pressure and expansible chamber...

A - Human Necessities

61

M

A61M 1/06 (2006.01)

Patent

CA 2451967

Inner and outer shield parts (42a, 42b) of a breastshield (40) are joined to form an enclosure defining a pressurizable chamber. The inner shield part has at least a portion thereof movable relative to the outer shield part when the chamber is subject to a negative or a positive pressure. The invention takes the form of a variety of different embodiments of breastshields and breastpumps for breastmilk pumping having sundry novel attributes and advantages.

Les cupules extérieure et intérieure (42a, 42b) d'un tire-lait se joignent pour former une enceinte délimitant une chambre pressurisable. La cupule intérieure présente au moins une partie mobile par rapport à la cupule extérieure lorsque la chambre est soumise à une dépression ou à une surpression. L'invention englobe différentes exécutions de tire-lait et de pompes de tire-lait, présentant une variété de caractéristiques et d'avantages.

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