[특허]Breath sampler

Breath sampler 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-005/00
출원번호	US-0659490 (1991-02-25)
발명자 / 주소	Glaser Robert A. (Cincinnati OH)
출원인 / 주소	The United States of America as represented by the Secretary of the Department of Health and Human Services (Washington DC 06)
인용정보	피인용 횟수 : 65 인용 특허 : 0

초록 ▼

An apparatus for sampling volumetric quantities of human exhaled breath has three conduits and may be provided in “Y”or “T”shaped configuration. The free end of one of the conduits is adapted to connect with the mouth of the subject being tested. Another of the conduits is adapted to pass ambient air to the subject, this conduit being provided with a suitable filtering mechanism such as a charcoal inhalation canister and an inlet check valve. The third of the three conduits supports an appropriate sampling canister for receiving exhaled breath from the subject, and this conduit also is provided with a one-way check valve. In another aspect of the invention, there is also provided a method for collecting a sample of exhaled breath from a subject to collect therefrom a selected analyte and to accurately quantify its presence in the subject\s breath.

대표청구항 ▼

A portable, through-flow breathing system for collecting breath samples from a human subject for subsequent determination of selected analyte content thereof, comprising: a tubular body having a minimal volume compatible with having engageable first and second ends; first conduit means for conveying through the tubular body the subject\s essentially once-exhaled breath, said first conduit means fluidly communicating with said tubular body at a location intermediate said first and second ends; second conduit means fluidly communicating with said first end of said tubular body, said second conduit means including air filtering means and selectively operable first valve means for admitting ambient air through said filtering means and into said tubular body when a subject inhales through said second conduit means; and third conduit means fluidly communicating with said second end of said tubular body, said third conduit means including low impedance, compact analyte collection means for concentrating a collected analyte for prolonged storage pending analysis thereof located therein and selectively operable second valve means for admitting the essentially once-exhaled breath from said tubular body into said sample collection means when the subject exhales through said first conduit means, said tubular body and said first, second and third conduit means being formed to be compact and lightweight in combination to facilitate convenient holding thereof by the human subject during use, and said first valve means being closed when said second valve means is open, and said second valve means being closed when said first valve means is open thereby ensuring sampling of only a through-flow of the subject\s essentially once-exhaled breath.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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