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US 9,808,608 B2Granted
Helical coil delivery device for active agent
AssigneeInternational Business Machines Corporation
InventorBucknell C. Webb
Life of this patent
Estimating the term…
Abstract
A delivery device including a substrate formed in a coil comprising a plurality of loops, an active agent deposited between an inner surface and an outer surface of the substrate formed in the coil, and a pair of end caps, each end cap disposed on a corresponding end of the coil.
Claims10
A delivery device comprising:
- a substrate rolled on itself to form a coil;
- an active agent deposited between an inner surface and an outer surface of the substrate formed in the coil, wherein the inner surface of the substrate at a first portion of the substrate contacts the outer surface of the substrate at a second portion of the substrate;
- and
- a pair of end caps, each end cap disposed on a corresponding end of the coil and along a respective exposed edge of the substrate.
1 more element
Dependencies are inferred from the claim text.