Miniature valve for filling the reservoir of an apparatus...

F - Mech Eng,Light,Heat,Weapons – 15 – C

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F15C 5/00 (2006.01) A61M 37/00 (2006.01)

Patent

CA 2272326

The invention concerns a miniature valve for filling the reservoir of an apparatus for the transdermal administration of a medicine comprising a) a substrate (1), b) a fuel charge (5) arranged on the substrate (1) opposite the passage to be opened through it, c) an electric resistor (2) placed in contact with the fuel charge (5) so that the supply of this resistor (2) with a predetermined electric energy ensures the combustion of the charge (5) and the opening of the passage (8'), by local rupture of said substrate (1) under the pressure of the fuel gases of the charge (5). The invention is useful for filling a medicine reservoir of an apparatus for the transdermal administration of this medicine aided by inophoresis.

Elle comprend: a) un substrat (1), b) une charge (5) d'un matériau combustible disposée sur le substrat (1) en regard d'un passage à ouvrir à travers celui-ci, c) une résistance électrique (2) placée au contact de la charge combustible (5) de manière que l'alimentation de cette résistance (2) avec une énergie électrique prédéterminée assure la combustion de la charge (5) et l'ouverture du passage (8'), par rupture locale dudit substrat (1) sous la pression des gaz de combustion de la charge (5). Application au remplissage d'un réservoir de médicament pour appareil d'administration transdermique de ce médicament assistée par ionophorèse.

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