Patent · US Active

Methods and apparatus for pulsatile release of medicaments from a punctal plug

US8808257B2 · kind B2 · utility

21Cited by

3References

18Claims

0Family size

Assignee

Johnson & Johnson Vision Care, Inc. · US

Inventors

Randall B. Pugh · Jacksonville, US
Jason Tokarski · Jacksonville, US
Bret A. Coldren · Vista, US

Key dates

Filing date	Aug 17, 2010
Grant date	Aug 19, 2014
Priority date	—
Expiry date	Aug 17, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P27/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

This invention discloses methods and apparatus for providing pulsatile release of active agents via a punctal plug inserted into a punctum. A tube is provided which may be inserted into a cavity of a punctal plug. One or more pulsatile delivery units are arranged in a generally linear fashion within the tube. The pulsatile delivery units include a core comprising the active agent and an encapsulation layer around the core.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.