Process and device for delivery of fluid by chemical reaction

US9861750B2 · kind B2 · utility

Assignee

• ELI LILLY AND COMPANY · US

Inventors

• Corrie Bennison · Lewis Center, US
• Christopher H. Muenzer · Columbus, US
• Timothy M. Blum · Columbus, US
• Christopher P. McKenzie · Lancaster, US
• Steven Michael Madland · Columbus, US
• Jeffrey L. Ellis · Columbus, US
• Amy M. Heintz · Dublin, US
• Brian J. Kaseman · Columbus, US

Key dates

• Filing date: Apr 6, 2016
• Grant date: Jan 9, 2018
• Expiry date: Apr 6, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D83/643
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Processes and devices for delivering a fluid by chemical reaction are disclosed. A chemical reaction is initiated in a reaction chamber to produce a gas, and the gas acts upon a piston to deliver the fluid. Preferred devices typically include an upper chamber, a lower chamber, a fluid chamber, a piston between the lower chamber and the fluid chamber, and a barrier between the upper chamber and the lower chamber. When the barrier is broken, reagents in the upper chamber and the lower chamber are mixed together to generate the gas.