Permanent diaphragm

Details Permanent diaphragm Permanent diaphragm

1991-09-19

1993-12-28

Hafer, Robert A.

Surgery

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

Pessaries

128838, 128839, 128830, A61F 8901

Patent

active

052730549

ABSTRACT:
This invention titled "Permanent Diaphragm" is a method of contraception. It is different from conventional diaphragms in that it is secured by suture to the cervix (mouth of the uterus). It is made of durable material that can be worn indefinitely. It can be inserted and can be removed as an office procedure.

REFERENCES:
patent: 897050 (1908-08-01), Beck
patent: 3774600 (1973-11-01), Coonat
patent: 3840005 (1974-10-01), Walker
patent: 4237893 (1980-12-01), Michaels
patent: 4304226 (1981-12-01), Drobish et al.
patent: 4860746 (1989-08-01), Yoon

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