05985305 is referenced by 163 patents and cites 12 patents.

The invention is directed to a device for delivering an active agent formulation for a predetermined administration period. An impermeable reservoir is divided into a water-swellable agent chamber and an active agent formulation chamber. Fluid from the environment is imbibed through a semipermeable plug into the water-swellable agent chamber and the active agent formulation is released through a back-diffusion regulating outlet. Delivery periods of up to 2 years are achieved.

Title
Sustained delivery of an active agent using an implantable system
Application Number
791699
Publication Number
5985305
Application Date
October 2, 1997
Publication Date
November 16, 1999
Inventor
Jeremy C Wright
Los Altos
CA, US
Judy A Magruder
Mountain View
CA, US
Scott D Lautenbach
San Mateo
CA, US
Felix A Landrau
Punta Gorda
FL, US
James B Eckenhoff
Los Altos
CA, US
Keith E Dionne
Menlo Park
CA, US
John R Peery
Stanford
CA, US
Agent
Mary Ann Dillahunty
Steven F Stone
Pauline Ann Clarke
Assignee
Alza Corporation
CA, US
IPC
A61F 13/00
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