Thixotropic bingham plastic fluid contraceptive method

Abstract

A method of contraception for a female subject is provided, as well as a contraceptive product and a contraceptive product system. The method includes spraying an amount of a thixotropic contraceptiveproduct that has Bingham fluid characteristics into a subject's vaginal vault, which contraceptive product comprises a viscosity increasing agent in the range of about 4-8% by weight and an aqueous carrier. The thixotropic contraceptive product is sprayed in a manner that forms a barrier configured to prevent spermatozoa from entering a cervix of the subject.

Description

[0001] This patent application claims the benefit of U.S. Provisional Application No. 62 / 488,911 filed April 24, 2017, which is hereby incorporated by reference in its entirety. technical field [0002] The present invention relates to materials and methods for contraceptive barriers, including applicators and methods of using the applicators. Background technique [0003] All currently available forms of barrier methods for women have significant disadvantages. Disadvantages of using a diaphragm or cervical cap include: 1) time, expense, and physical discomfort of fitting in with the device; 2) insertion and removal of the device at the right time involves necessary planning; 3) some women have difficulty inserting the device; 4) Some women experience pain and general discomfort when using the device; 5) The device requires a high degree of hygienic maintenance, which may be difficult in the absence of clean water; 6) The device needs to be used with spermicide, which Seme...

AI Technical Summary

Problems solved by technology

Disadvantages of using a diaphragm or cervical cap include: 1) time, expense, and physical discomfort of fitting in with the device; 2) insertion and removal of the device at the right time involves necessary planning; 3) some women have difficulty inserting the device; 4) Some women experience pain and general discomfort when using the device; 5) The device requires a high degree of hygienic maintenance, which may be difficult in the absence of clean water; 6) The device needs to be used with spermicide, which Semen often irritates the vaginal mucosa, causing it to become inflamed and pose other health risks (including increased risk of HIV and other sexually transmitted infections (STIs); 7) device may be pushed out of position during intercourse; 8) after childbirth Requires new installations; and 9) Foams, suppositories, creams, and gel spermicides are overall messy and unpleasant

Intrauterine devices (IUDs) are sometimes painful, require insertion by a healthcare professional, and can be prone to intrauterine infections

Some or all of these factors may make these birth control methods less than ideal for many women

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