Transdermal or transmucosal drug delivery device

Details Transdermal or transmucosal drug delivery device Transdermal or transmucosal drug delivery device

A - Human Necessities

61

N

A61N 1/30 (2006.01) A61N 1/32 (2006.01)

Patent

CA 2294955

A device for delivering drugs through the skin or mucosa, which is excellent in drug penetration and skin stimulation, and whose consumption of electric power is small. An output control circuit (4) of a current application pattern control device (1) causes a current to flow between an anode-side device (5) for iontophoresis and a cathode-side device (6) by a combination of pulse depolarization current application with either DC current application or pulse current application. The combination of the types of current application by the output control circuit (4) is determined based upon the presetting inputted from outside the current application pattern control device (1) or based on internal stored data.

L'invention concerne un dispositif permettant d'administrer un médicament à travers la peau ou une muqueuse, ce dispositif permettant en outre d'améliorer la pénétration desdits médicaments et la stimulation cutanée, tout en consommant peu d'énergie électrique. Le circuit de réglage de la sortie (4) d'un dispositif de commande de structure d'application de courant (1) permet au courant de circuler entre un dispositif anodique (5) afin d'effectuer une ionophorèse, et un dispositif cathodique (6), grâce à la combinaison d'un courant d'impulsions de dépolarisation appliqué par courant continu ou par impulsion de courant. On peut donc déterminer la combinaison des différents types de courants ainsi appliqués par le circuit de réglage de la sortie (4) en fonction du réglage préalable introduit par le dispositif de commande structure d'application de courant (1), ou sur la base des données internes mémorisées.

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