Posterior segment drug delivery

US11642310B2 · kind B2 · utility

Assignee

• ForSight Vision4, Inc. · US

Inventors

• Eugene de Juan, Jr. · San Francisco, US
• Yair Alster · Menlo Park, US
• Steven M. Chamow · San Mateo, US
• Kathleen Cogan Farinas · Menlo Park, US
• Hanson S. Gifford, III · Woodside, US
• K. Angela Macfarlane · Menlo Park, US
• Cary J. Reich · Los Gatos, US
• Michael Barrett · Campbell, US
• Randolph E. Campbell · South San Francisco, US
• Robert M. George · San Jose, US
• Douglas Sutton · Pacifica, US

Key dates

• Filing date: Apr 7, 2020
• Grant date: May 9, 2023
• Expiry date: Sep 3, 2040

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49826
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A therapeutic device to release a therapeutic agent comprises a porous structure coupled to a container comprising a reservoir. The reservoir comprises a volume sized to release therapeutic amounts of the therapeutic agent for an extended time when coupled to the porous structure and implanted in the patient. The porous structure may comprise a first side coupled to the reservoir and a second side to couple to the patient to release the therapeutic agent. A plurality of interconnecting channels can extend from the first side to the second side so as to connect a first a plurality of openings on the first side with a second plurality of openings on the second side.