Controlled release bolus device

Details Controlled release bolus device Controlled release bolus device

1987-12-14

1989-10-10

Hindenburg, Max

Surgery

Controlled release therapeutic device or system

Osmotic or diffusion pumped device or system

A61K 922

Patent

active

048728730

ABSTRACT:
This invention relates to an improved controlled release bolus device wherein the improvement comprises attaching at the orifice a screen or insert which prevents blockage of the orifice by exogeneous materials, but does not vary the flow of medicament from the device.

REFERENCES:
patent: 3732865 (1973-05-01), Higuchi et al.
patent: 4312347 (1982-01-01), Magoon et al.
patent: 4326522 (1982-04-01), Guerrero et al.
patent: 4350271 (1982-09-01), Eckenhoff
patent: 4416659 (1983-11-01), Simpson et al.
patent: 4425117 (1984-01-01), Hugemann et al.
patent: 4479796 (1984-10-01), Kallok
patent: 4624945 (1986-11-01), Eckenhoff et al.
patent: 4704118 (1987-11-01), Eckenhoff

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