Iontophoretic drug delivery system, including disposable patch

A - Human Necessities – 61 – N

Patent

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Details

A61N 1/30 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2233068

An iontophoretic drug delivery system of the present invention includes a disposable patch (10) electrically interconnectible with a controller (12). The patch includes at least two electrode assemblies, with one of the electrode assemblies having a first electrode (16) and a second electrode (18). In this way, during delivery of electrical current one of the electrodes is exhausted so that upon an attempt to reuse the patch, the controller (12) does not detect the delivery of electrical current through said electrodes and fails to supply electrical current to the electrode assemblies for delivery of the drug. Electrical interconnection between the patch and the controller is established by inserting a tab extending from the patch into the controller.

L'invention porte sur un système d'apport d'un médicament iontophorétique comprenant un timbre adhésif jetable (10) électriquement interconnecté à une commande (12). Le timbre adhésif comprend au moins deux ensembles électrodes, l'une des électrodes ayant une première électrode (16) et une seconde électrode (18). Ainsi, au cours de la fourniture d'un courant électrique, l'une des électrodes s'épuise de façon que, lors d'une tentative de réutilisation du timbre adhésif, la commande (12) ne détecte pas le courant électrique passant par lesdites électrodes et ne puisse pas fournir le courant électrique aux ensembles électrodes, lequel est nécessaire à l'apport du médicament. L'interconnexion électrique entre le timbre adhésif et la commande s'établit par insertion d'une pièce plate allant du timbre à l'intérieur de la commande.

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