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IONTOPHORESIS DEVICE TO DELIVER MULTIPLE ACTIVE AGENTS TO BIOLOGICAL INTERFACES

  • US 20070093787A1
  • Filed: 09/29/2006
  • Published: 04/26/2007
  • Est. Priority Date: 09/30/2005
  • Status: Abandoned Application
First Claim
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1. An iontophoresis device operable to deliver active agents to a biological interface of a biological entity, comprising:

  • an active electrode assembly, the active electrode assembly including a contact face exposed on an exterior of the active electrode to be proximate to a biological interface when in use, an active electrode element operable to apply a first electrical potential, a first active agent reservoir capable of storing a first active agent, at least a second active agent reservoir capable of storing a second active agent, an outermost ion selective membrane exposed to the exterior of the iontophoresis device to form an interface with the biological interface, the outermost ion selective membrane substantially permeable by ions having a first polarity that matches a polarity of the first and the second active agents, and substantially impermeable by ions of a second polarity, opposite the first polarity, at least a portion of the first and second active agent reservoirs formed in the outermost ion selective membrane, the second active agent reservoir spaced laterally in a plane approximately parallel to the contact face from the first active agent reservoir, at least the first and the second active agent reservoirs positioned with respect to the active electrode element to each actively transfer at least some of the first and the second active agents from the iontophoresis device to the biological interface in response to application of the first electrical potential; and

    a counter electrode assembly spaced laterally from the active electrode assembly, the counter electrode assembly including a counter electrode element operable to apply a second electrical potential, the second electrical potential being different from the first electrical potential.

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