Pulsatile release of medicaments from a punctal plug
US9125715B2 · kind B2 · utility
22Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2013 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Feb 7, 2034 |
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.