Hydration assembly for hydrating a bioelectrode element

Details Hydration assembly for hydrating a bioelectrode element Hydration assembly for hydrating a bioelectrode element

A - Human Necessities

61

N

A61N 1/04 (2006.01) A61J 3/00 (2006.01) A61N 1/30 (2006.01) B65D 35/24 (2006.01)

Patent

CA 2243319

The present invention provides methods and apparatus permitting rapid and thorough hydration of an initially dry hydrating matrix element (34) contained within a bio-electrode element (20) for use in an iontophoretic delivery device. The apparatus of the invention comprises a bio-electrode element (20) having at least one hydratable matrix element (34) and associated removable hydration assembly (40). The removable hydration assembly (40) includes an initially sealed liquid storage component (46-49). The removable hydration assembly (40) can be activated through application of force to a pocket (48) in a side of the sealed liquid storage component thereby causing the pocket to become inverted and substantially aligned within an opposing pocket (46) in the other side such that the sealed liquid storage component unseals at a predetermined release location.

L'invention concerne des procédés et un appareil permettant une hydratation rapide et efficace d'un élément matriciel sec hydratable (34) contenu dans un élément à bioélectrode (20) à utiliser dans un dispositif d'administration par iontophorèse. L'appareil selon l'invention comporte un élément bioélectrode (20) comprenant au moins un élément matriciel hydratable (34) et un ensemble d'hydratation amovible (40) associé. L'ensemble d'hydratation amovible (40) comporte un composant de stockage de liquide (46,49) initialement fermé de manière étanche. L'ensemble d'hydratation amovible (40) peut être activé par l'application d'une force sur une poche (48) située dans un côté du composant de stockage de liquide fermé, ce qui provoque le renversement de la poche et son alignement dans une poche opposée (46) située de l'autre côté de sorte que le composant de stockage de liquide ne soit plus fermé en un point d'administration prédéterminé.

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