Self-retaining gastrointestinal delivery device

Details Self-retaining gastrointestinal delivery device Self-retaining gastrointestinal delivery device

1991-06-05

1993-03-30

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424422, 424438, 424451, A61K 924

Patent

active

051982293

ABSTRACT:
The present invention is directed to a fluid-imbibing drug delivery device having a first, low density such that it floats in the stomach contents for a predetermined prolonged period of time, during which prolonged period of time it dispenses a drug or other active agent to the stomach, and having a second, higher density such that the device exits the stomach at the end of the predetermined prolonged period of time.

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