Electrotransport agent delivery method and apparatus

Details Electrotransport agent delivery method and apparatus Electrotransport agent delivery method and apparatus

A - Human Necessities

61

N

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

Patent

CA 2218873

An electrotransport agent delivery device (10) for delivering a therapeutic agent through intact skin, and a method of operating same, is provided. The device applies a pulsing electrotransport current wherein the length of the applied current pulses is at least 5 msec and preferably at least 10 msec. Most preferably, the current pulses have a magnitude above a critical level (I c) at which the skin is transformed into a higher electrotransport delivery efficiency (E) state.

L'invention concerne un dispositif (10) de distribution d'un agent transporté par voie électrique et un procédé de mise en oeuvre dudit dispositif. Le dispositif applique un courant de transport par voie électrique, générateur d'impulsions, la longueur des impulsions du courant appliqué étant d'au moins 5 msec et de préférence d'au moins 10 msec. Optimalement, les impulsions produites par le courant présentent une amplitude dépassant le seuil critique (Ic) où la peau passe à un état de plus grande efficacité (E) de distribution par transport par voie électrique.

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