Delivery system for controlled administration of beneficial...

Details Delivery system for controlled administration of beneficial... Delivery system for controlled administration of beneficial...

A - Human Necessities

61

D

119/78

A61D 7/00 (2006.01) A61K 9/00 (2006.01)

Patent

CA 1221587

ABSTRACT OF THE INVENTION A dispensing device is disclosed for delivering a beneficial agent. The device comprises (1) a semipermeable housing defining an internal space, (2) a dense member in the space, (3) a heat responsive composition containing a beneficial agent in the space, (4) an expandable member in the space, and (5) a passageway in the semipermeable housing for delivering the beneficial agent from the dispensing device.

472100

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