Dispensing device with internal drive

Details Dispensing device with internal drive Dispensing device with internal drive

1981-07-10

1983-10-18

Apley, Richard J.

Surgery

Controlled release therapeutic device or system

Osmotic or diffusion pumped device or system

604890, A61M 700

Patent

active

044103280

ABSTRACT:
A device is disclosed for delivering a beneficial agent. The device comprises (1) a housing defining an internal space (2) a piston in the housing separating the space into an agent compartment and a power compartment, or a flexible container in the space, (3) an opening in the housing connecting the agent compartment or the container with the exterior of the housng, and (4) an osmotic device in the power compartment or beneath the container.

REFERENCES:
patent: 3995632 (1976-12-01), Nakano et al.

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