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Earplug assembly for iontophoresis system

  • US 10,016,304 B2
  • Filed: 07/16/2015
  • Issued: 07/10/2018
  • Est. Priority Date: 07/16/2015
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • (a) a rigid body defining;

    (i) a channel defining a first volume;

    (ii) a reservoir in fluid communication with the channel, the reservoir and the channel defining a second volume, the second volume greater than the first volume;

    (iii) a vent path in fluid communication with the reservoir; and

    (iv) a conduit opening integrally formed with the vent path;

    (b) an electrode defining a longitudinal axis and disposed within the channel of the rigid body, the reservoir extending laterally and proximally from the longitudinal axis defined by the electrode to increase a spacing between the electrode and the vent path;

    (c) a sealing element positioned distal to the rigid body, the sealing element being configured to bear against a wall surface of an ear canal to thereby define a closed volume outside of a tympanic membrane in the ear canal; and

    (d) a fluid conduit in fluid communication with the channel to fill at least one of the closed volume, the channel, and the reservoir with fluid, the fluid conduit extending through the conduit opening defined by the rigid body.

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