Dispenser for delivering thermo-responsive composition

Details Dispenser for delivering thermo-responsive composition Dispenser for delivering thermo-responsive composition

1986-10-08

1988-11-01

Phillips, Delbert R.

Surgery

Controlled release therapeutic device or system

6048921, 424422, 424424, A61K 900

Patent

active

047817143

ABSTRACT:
A dispenser is disclosed for delivering a beneficial agent formulation to a warm, fluid environment of use. The dispenser comprises an outer semipermeable wall surrounding and laminating an inner hydrophilic, swellable wall. The walls define an interior space for containing a thermo-responsive beneficial agent formulation. A passageway through the semipermeable wall connects the exterior of the dispenser through an opening in the inside wall with the interior of the dispenser.

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