Patent ID: 7981106
Filing Date: 2011-07-19
Classification: A61M,A61N,B82Y

Abstract:
1. A device for drug release comprising: a drug reservoir comprising a gate, wherein opening of said gate releases a drug stored in said drug reservoir; an electronic command and control (C & C) unit in communication with said gate that produces a gate bias voltage and time profile supplied to said gate for controlling opening of said gate; and a power source for supplying power to said electronic command and control unit, wherein said gate comprises an external electrode formed with at least one exit pore, an internal electrode, an insulating layer that insulates between said external and internal electrodes, and a solid field enhancing member, which is closed to flow therethrough, that extends into said at least one exit pore, and wherein said insulating layer extends along rims of said electrodes, leaving a hollow volume between said electrodes.