A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 38/16 (2006.01) A01N 37/18 (2006.01) A01N 43/50 (2006.01) A61F 6/08 (2006.01) A61K 38/17 (2006.01)
Patent
CA 2113218
ABSTRACT OF THE DISCLOSURE In order to prevent conception and/or the spread of sexually transmitted diseases (STD'S) one or more lectins capable of binding sperm and/or the pathogenic microorganisms responsible for STD'S are administered to the vagina prior to sexual intercourse. The lectins immobilize the sperm to render them incapable of fertilization and also bind to the microorganisms to render them non-pathogenic or to the cells to prevent infection by the microorganisms. The invention also encompasses a device for to be placed in the vault of the vagina which comprises a ring which surrounds the cervix and a membrane spanning the central aperture of the ring to prevent the direct contact of ejaculate with the cervical tissues. The device is impregnated or coated with lectins and releases them into the vaginal environment over a period of time.
Oldham Michael J.
Rose Bruce F.
Gowling Lafleur Henderson Llp
Lectin Biopharma Inc.
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