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US 2014/0192314 A1Published application
Multi-piece insert device with locking seal for ophthalmic devices
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsJames Daniel Riall, Randall B. Pugh, Daniel B. Otts, Frederick A. Flitsch, Adam Toner
Life of this patent
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Abstract
This invention discloses methods and apparatuses for sealing and encapsulating components on and within a multi-piece insert. In some embodiments, an ophthalmic lens is cast molded from a silicone hydrogel and the component includes a sealed and encapsulated multi-piece insert portion.
Claims19
A multi-piece insert device for an ophthalmic lens comprising:
- at least a first insert back curve piece;
- at least a first insert front curve piece;
- a conductive material upon one or both of the first insert front curve piece and first insert back curve piece;
- an electronic component attached to one or both of the first insert front curve piece and first insert back curve piece, wherein an attachment is made at least in part to the conductive material;
- and
- a first self-locking feature which fixedly holds the first insert back curve piece in a relative position to the first insert front curve piece, wherein a combining causes the first self-locking feature to seal a first cavity interior to the combination of the first insert back curve piece and the first insert front curve piece, resulting in a first ophthalmic insert piece.
3 more elements
Dependencies are inferred from the claim text.