Dispensing device with internal drive

Details Dispensing device with internal drive Dispensing device with internal drive

1983-06-24

1984-06-19

Padgett, Benjamin R.

Surgery

Controlled release therapeutic device or system

Osmotic or diffusion pumped device or system

A61M 3100

Patent

active

044551452

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 housing, and (4) an osmotic device in the power compartment or beneath the container.

REFERENCES:
patent: 3845770 (1974-11-01), Theeuwes et al.
patent: 3995632 (1976-12-01), Nakano et al.
patent: 4034756 (1977-07-01), Higuchi et al.
patent: 4200098 (1980-04-01), Ayer et al.
patent: 4201207 (1980-05-01), Buckles et al.
patent: 4203440 (1980-05-01), Theeuwes
patent: 4203441 (1980-05-01), Theeuwes
patent: 4210139 (1980-07-01), Higuchi
patent: 4223061 (1980-09-01), Michaels
patent: 4386929 (1983-06-01), Peery et al.

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