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US 12,433,793 B2Granted
Foam earplug with transdermal material
AssigneeMoldex-Metric, Inc.
InventorsMark Magidson, James Hornstein, Fred Ryan
Life of this patent
Estimating the term…
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AssigneeMoldex-Metric, Inc.
InventorsMark Magidson, James Hornstein, Fred Ryan
Estimating the term…
A foam earplug for reception at least partially within the ear canal and including a body portion formed of resilient foam plastic material having a multiple open cell structure and having a size and shape for at least partial reception within the ear canal. A transdermal material having a particular beneficial action, and with an outer layer of the foam earplug infused with the transdermal material so that the benefits of the transdermal material is in transdermal contact with the ear canal. One example is a humectant material and, specifically, a moisturizer/lubricating material, for providing an increase to the lubrication and moisturizing in the ear canal. A second example is where the beneficial action is provided by systemic distribution such as a sleep aid, i.e., Melatonin, so that when the earplugs are worn during sleep, the earplugs will provide a sleep aid to the wearer.
A method of making a foam earplug having an outer layer infused with a transdermal material having a beneficial effect, the method comprising:
Dependencies are inferred from the claim text.