Delivery device providing beneficial agent stability

Details Delivery device providing beneficial agent stability Delivery device providing beneficial agent stability

1993-09-30

1999-01-19

Bawa, Raj

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

424423, 424427, 424430, 424434, 424438, A61K 920

Patent

active

058611665

ABSTRACT:
This invention relates to fluid-imbibing delivery devices for delivering a beneficial agent to a biological environment of use. In particular, the devices include a rigid housing defining an internal compartment comprising a substantially impermeable first wall section and a second wall section permeable to fluid in the environment of use. The first wall section may be shape-retaining, with exit means and an open end, and extend for at least 85% of the entire length of the device to define the internal compartment.

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