NEEDLE FOR IONTOPHORETIC DELIVERY OF AGENT

摘要

An apparatus for iontophoretically delivering an agent. The apparatus comprises a hollow needle having a shaft and a delivery zone. The hollow needle defines at least one outlet port located in the delivery zone. The needle is formed with an electrically conductive material. The needle is configured to be in electrical communication with a power supply wherein the needle forms a first electrode. An insulating material covers at least a portion of the shaft. A spacer is operably connected to the delivery zone. A second electrode is configured to be in electrical communication with the power supply.