Patent ID: 6663615
Filing Date: 2003-12-16
Classification: A61K

Abstract:
A micro-machined drug delivery and biosensing device, for sensing a concentration of a chemical in a patient and administering drugs comprising:a. a substrate; b. at least one drug delivery reservoir in said substrate, each said drug delivery reservoir having a first stage containing molecules and a second stage containing molecules, each said drug delivery reservoir further having a reservoir partition positioned between and separating said first stage and said second stage, each said reservoir having a reservoir cap positioned over said molecules in said second stage; and c. at least one sensing reservoir in said substrate, each said sensing reservoir having a first stage containing molecules and a second stage containing molecules, said second stage of each said sensing reservoir having a pair of sensing electrodes and a reservoir cap positioned over said molecules in each said second stage, each said sensing reservoir further having a reservoir partition separating said first stage from said second stage.