Osmotic pump with remotely controlled osmotic pressure generation

US8109923B2 · kind B2 · utility

Assignee

• THE INVENTION SCIENCE FUND I, LLC · US

Inventors

• Leroy E. Hood · Seattle, US
• Muriel Y. Ishikawa · Livermore, US
• Edward K.Y. Jung · Bellevue, US
• Robert Langer · Newton, US
• Clarence T. Tegreene · Bellevue, US
• Lowell L. Wood, JR. · Bellevue, US
• Victoria Y.H. Wood · Livermore, US

Key dates

• Filing date: Aug 15, 2006
• Grant date: Feb 7, 2012
• Expiry date: Aug 2, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/36
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Embodiments of a system including a remotely controlled osmotic pump device and associated controller are described. Methods of use and control of the device are also disclosed. According to some embodiments, an osmotic pump device is placed in an environment in order to pump a material into the environment or into an additional fluid handling structure within the osmotic pump device. Exemplary environments include a body of an organism, a body of water, or an enclosed volume of a fluid. In selected embodiments, a magnetic field, an electric field, or electromagnetic control signal may be used.