Barrier contraceptive

Details Barrier contraceptive Barrier contraceptive

1987-04-10

1989-05-23

Hafer, Robert A.

Surgery

Female reproductory tract shields, supports, or birth...

Pessaries

128834, A61F 546, A61F 547

Patent

active

048320528

ABSTRACT:
A barrier type contraceptive is an umbrella-like device including a flexible, barrier member with a plurality of radially disposed resilient stiffening members associated therewith. The stiffening members bias the barrier member into a generally planar configuration while allowing for the device to be folded into a generally fusiform shape for insertion.

REFERENCES:
patent: 454573 (1891-06-01), Sherman
patent: 594405 (1896-05-01), Ryman
patent: 3312215 (1967-04-01), Silber
patent: 3467090 (1969-09-01), Zollett
patent: 3703896 (1972-11-01), Nuwayser

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