Vaginal tampon device incorporating membrane for substantially blocking inflow of water
United States Patent 3128767
US Patent References:
/0647003.html
- - 0647003

Pessary
- - 2141040

Menstrual cup
- - 2534900

Diaphragm type pessary
- - 2580133


Inventors:
Nolan, James J.
Publication Date:
04/14/1964
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Assignee:
Nolan, James J.
Primary Class:
604/330
International Classes:
A61F5/455; A61F6/08; A61F5/451; A61F6/00