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US Patent 7964389 Quantitative sampler of pathogens in exhaled air

Patent 7964389 was granted and assigned to Kaohsiung Medical University on June, 2011 by the United States Patent and Trademark Office.

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Current Assignee
Kaohsiung Medical University
Kaohsiung Medical University
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7964389
Patent Inventor Names
Pei-shih Chen1
Date of Patent
June 21, 2011
Patent Application Number
12409298
Date Filed
March 23, 2009
Patent Primary Examiner
‌
Nathan A Bowers
Patent abstract

A quantitative sampler of pathogens in exhaled air is provided. The quantitative sampler includes an air inputting pipe for a sampled individual to blow exhaled air; a check valve unit for preventing the exhaled air from reversely flowing; an aerosol filtering unit having an aerosol filtering material for collecting aerosol particles in the exhaled air; and an air flow meter for measuring if total accumulated volume of the exhaled air reaches a predetermined sampling volume defined as a concentration denominator of exhaled pathogens. The quantitative sampler can be used to collect the aerosol particles, and then moves the aerosol filtering material out of the aerosol filtering unit followed by separating genetic substances in the aerosol particles from the aerosol filter, so that a real-time qPCR can be reacted by using the genetic substances for obtaining a quantitative concentration of the exhaled pathogens.

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