Patent · US Expired

Diffusional implantable delivery system

US5972369A · kind A · utility

169Cited by
20References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 1998
Grant dateOct 26, 1999
Priority date
Expiry dateMar 30, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/145
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A sustained release delivery system for delivering a beneficial agent is provided. The system includes a reservoir comprising the beneficial agent and a capillary channel in communication with the reservoir and the exterior of the system for delivering the beneficial agent from the system. The capillary channel has a cross-sectional area and a length selected to deliver the beneficial agent at a predetermined rate. The system may further include an outer surface that is impermeable and non-porous during delivery of the beneficial agent. The beneficial agent may be formulated in a glassy sugar matrix.

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