Chemically acting intra-uterine device

Details Chemically acting intra-uterine device Chemically acting intra-uterine device

1974-11-11

1976-01-27

Medbery, Aldrich F.

Surgery

Truss

Pad

128260, A61F 546, A61M 3100

Patent

active

039345807

ABSTRACT:
The invention is directed to an active intrauterine device comprising a hydrophobic substrate of high mechanical resiliency, wherein the substrate including within the volume thereof inclusions of polymerizied hydrophilic substances grafted on the hydrophobic substrate and cross-linked, and in which water-soluble chemical agents have been stored previously, these agents being adapted to perfuse through the hydrophobic substrate when the latter is placed in an aqueous medium.

REFERENCES:
patent: 3633574 (1972-01-01), Lerner
patent: 3659596 (1972-05-01), Robinson
patent: 3785376 (1974-01-01), Kitrilakis
patent: 3786808 (1974-01-01), Lerner
patent: 3845761 (1974-11-01), Zaffaroni

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