Microchip drug delivery devices
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United States of America Patent
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Jul 4, 2006
Issued Date -
N/A
app pub date -
Sep 19, 2000
filing date -
Jul 2, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
Devices are provided for the controlled release of drug or other molecules. The devices include (1) a substrate, which optionally includes two or more substrate portions bonded together, (2) at least two reservoirs in the substrate, (3) a release system disposed in the reservoirs that includes the molecules for release and optionally a matrix material, and (4) active or passive means for controlling release of the molecules from the reservoirs. In one embodiment, a reservoir cap is positioned on, or within a portion of, the reservoir and over the molecules, so that the molecules are controllably released from the device by diffusion through or upon disintegration of the reservoir cap.
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