Intrauterine device that bioerodes in response to the environmen

Details Intrauterine device that bioerodes in response to the environmen Intrauterine device that bioerodes in response to the environmen

1975-05-19

1976-11-23

Trapp, Lawrence W.

Surgery

Truss

Pad

128260, A61F 546

Patent

active

039930572

ABSTRACT:
An intrauterine device for administering drug locally to the uterus at a controlled rate for a prolonged period of time is disclosed. The device contains a body of polymer capable of bioeroding in the environment of the uterus over a prolonged period of time. This body has the drug dispersed throughout so that as the body gradually bioerodes, it slowly releases the dispersed drug. In a preferred embodiment, the device releases a uterine contraction-inducing prostaglandin locally to the uterus at a controlled rate over a prolonged period of time.

REFERENCES:
patent: 3803308 (1974-04-01), Zipper
patent: 3845761 (1974-11-01), Zaffaroni
patent: 3880991 (1975-04-01), Yolles
patent: 3896819 (1975-07-01), Zaffaroni
patent: 3903880 (1975-09-01), Higuchi et al.

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