Birth control device

Details Birth control device Birth control device

1975-11-17

1977-01-25

Trapp, Lawrence W.

Surgery

Respiratory method or device

Ozone or ion generation

A61F 542

Patent

active

040045919

ABSTRACT:
A prophylactic or contraceptive device made of membraneous material having a generally tubular configuration with a closed end which includes a thicker, reenforced tip. At its open end, there are two flaps extending transversely to the axis of the device with a scalloped intermediate portion. The flaps are maintained in their transverse position by reenforced or thickened edges.

REFERENCES:
patent: 3443563 (1969-05-01), Ishihama et al.
patent: 3536066 (1970-10-01), Ludwig

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