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Apparatus configured for accurate up-loading of a single dose onto a delivery applicator
专利权人:
Edward Tak Wei
发明人:
Edward Tak Wei
申请号:
US14756769
公开号:
US20170100574A1
申请日:
2015.10.09
申请国别(地区):
US
年份:
2017
代理人:
摘要:
The body has a number of sensitive surfaces that are subject to injury by physical, chemical and biological agents. The results of injury are, for example, signs of inflammation such as redness, swelling, feeling of heat, pain and loss of function, and discomfort such as itching, irritation, burning sensations, and dysesthesia. The nasal membranes, the ocular surface, the lips and gingiva, and the genital surfaces are examples of such sensitive surfaces. Topical agents can be delivered to these surfaces using pre-medicated single unit applicators, such as swabs, wipes, or cotton-tips attached to handles, but for high frequency use, there is an advantage to using a reservoir bottle of medicated solution together with a packet of single applicators. In this invention, an apparatus embodiment for topically delivering a pharmaceutical comprises a specially designed container, together with a package of single applicators. The desired parameters of drug delivery, namely, precise dosage, hygienic use and storage of the drug solution, single use, and economy for high frequency of use, are provided by the container design. The container accurately up-loads a fixed volume of solution onto the tip of a single applicator; wherein the tip of the applicator is made of an absorbent material such as cotton or rayon. The aperture or opening of the container has a cap that is air-tight when sealed. The diameter of the container aperture is not wider by more than 20% of the maximum width of the applicator tip. The container has a reservoir as an internal capacity to hold 5 to 50 mL of a liquid, and more preferably 5 to 15 mL. At the bottom of the container's reservoir there is a cylindrical cavity, the center of which is aligned perpendicularly to the center of the aperture. The lower wall of the container's reservoir is shaped to funnel the liquid contents of the container to the bottom of the cylindrical cavity formed as a reservoir pocket. This pocket has a concave upward, saucer
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