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369 results about "Nasal spray" patented technology

Nasal sprays, are used to deliver medications locally in the nasal cavities or systemically. They are used locally for conditions such as nasal congestion and allergic rhinitis. In some situations, the nasal delivery route is preferred for systemic therapy because it provides an agreeable alternative to injection or pills. Substances can be assimilated extremely quickly and directly through the nose. Many pharmaceutical drugs exist as nasal sprays for systemic administration (e.g. treatments for pain, migraine, osteoporosis and nausea). Other applications include hormone replacement therapy, treatment of Alzheimer's disease and Parkinson's disease. Nasal sprays are seen as a more efficient way of transporting drugs with potential use in crossing the blood–brain barrier.

Sodium pyruvate nasal spray and preparation method thereof

The present invention relates to a nasal spray containing sodium pyruvate and a preparation method thereof, belonging to the field of medical technology, being characterized in that: the nasal spray containing sodium pyruvate comprises the following components: sodium pyruvate, pyruvic acid, an isoosmotic adjusting agent, a preservative and water. Because the sodium pyruvate is capable of alleviating nasal obstruction and inflammation caused by rhinitis, a medical fluid provided in the invention can be made into a nasal spray medical fluid which is capable of entering nasal cavities by adopting a portable spraying device. The nasal spray medical fluid is particularly suitable for cleaning and removing harmful pollutants in nasal passages, paranasal sinuses and mucosal cilia and is capable of being used in nursing after a nasal cavity operation, relieving rhinostegnosis and reducing respiratory tract irritation and risks of infection. By adding the pyruvic acid to form a buffer solution, tingling caused by using the flushing fluid to wash the cavities can be reduced, and inflammation is alleviated. Allergic symptoms can be prevented or gradually alleviated for the people of special professional who often use the product provided in the invention to wash and care nasal cavities.
Owner:JIANG SU PHARMAMAXCORP +1

Drug delivery system comprising a tetrahydroxylated estrogen for use in hormonal contraception

A method of contraception in mammalian females, which method comprises the parenteral or rectal administration of an estrogenic component and a progestogenic component to a female of childbearing capability in an amount effective to inhibit ovulation, wherein the estrogenic component is selected from the group consisting of substances represented by the following formula (1)in which R1, R2, R3, R4 independently are a hydrogen atom, a hydroxyl group or an alkoxy group with 1-5 carbon atoms; each of R5, R6, R7 is a hydroxyl group; and no more than 3 of R1, R2, R3, R4 are hydrogen atoms; precursors capable of liberating a substance according to the aforementioned formula when used in the present method; and mixtures of one or more of the aforementioned substances and / or precursors. Another aspect of the invention concerns a drug delivery system for parenteral or rectal administration that contains the aforementioned estrogenic component and a progestogenic component, said drug delivery system being selected from the group consisting of suppositories, systems for intravaginal delivery, inhalers, nasal sprays and transdermal delivery systems.
Owner:ESTETRA SRL
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