[특허]Apparatus for producing a hypoxic gaseous mixture using hollow fibers of poly-4-methyl-penthene-1

Apparatus for producing a hypoxic gaseous mixture using hollow fibers of poly-4-methyl-penthene-1 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A62B-007/10 A62B-023/02 B01D-053/22 G05B-001/00
출원번호	US-0056679 (1993-05-03)
우선권정보	EP-0810445 (1991-06-12)
발명자 / 주소	Tkatchouk Elena N. (Moscow RUX) Tsyganova Tatiana N. (Moscow RUX) Staebler Regula (Vernier CHX)
출원인 / 주소	Tradotec, S.A. (Vernier CHX 03)
인용정보	피인용 횟수 : 24 인용 특허 : 0

초록 ▼

Apparatus for producing a hypoxic gas mixture having a higher nitrogen-to-oxygen ratio than atmospheric air has a diaphragm compressor feeding air under pressure to an oxygen-depleting unit having a perforate tube extending axially of a cylindrical chamber having an outlet in one side. The annular space between the perforate tube and the wall of the chamber is filled with axially extending hollow fibers of poly-4-methyl-penthene-1. Ends of the chamber are closed except for the interiors of the hollow fibers which are open to the atmosphere. The walls of the hollow fibers are more permeable to oxygen than to nitrogen so that part of the oxygen escapes through open ends of the hollow fibers, thereby increasing the nitrogen-to-oxygen content of the gas.

대표청구항 ▼

Apparatus for producing a hypoxic gaseous mixture comprising: means for compressing air; an oxygen-depleting means for removing a portion of oxygen from compressed air produced by said compressing means to produce a hypoxic gas, said oxygen-depleting means comprising an elongate chamber having a first end and a second end, an inlet at said first end, a side outlet, a tube having perforations extending longitudinally of said chamber and communicating with said inlet, a multiplicity of hollow fibers extending longitudinally of said chamber, means for closing said first and second ends of said chamber, means for directing air compressed by said air compressing means into said oxygen-depleting means through said inlet, said compressed air flowing through said inlet, into said tube, and communicating with said hollow fibers through said perforations in said tube, a portion of the oxygen in said compressed air flowing through said perforations and said hollow fibers to the surrounding environment, and leaving hypoxic gas in said tube and chamber, said hypoxic gas flowing out of said oxygen-depleting means through said outlet; wherein said hollow fibers are more permeable to oxygen than to nitrogen and are made of poly-4-methyl-penthene-1; means for filtering hypoxic gas produced by said oxygen-depleting means; means for humidifying hypoxic gas produced by said oxygen-depleting means; means for delivering hypoxic gas to a patient; said apparatus further comprising means for alternating delivery of said hypoxic gas and said compressed air to a patient comprising a bypass line connected to said means for directing said compressed air and in parallel to said oxygen-depleting means, said bypass line connected to said outlet of said oxygen-depleting means, said means for alternating delivery of said hypoxic gas and said compressed air including a first valve in said bypass line for controlling flow of compressed air, and a second valve connected to said outlet of said oxygen-depleting means.

이 특허를 인용한 특허 (24)

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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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연합인증

Apparatus for producing a hypoxic gaseous mixture using hollow fibers of poly-4-methyl-penthene-1 원문보기

초록 ▼

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Apparatus for producing a hypoxic gaseous mixture using hollow fibers of poly-4-methyl-penthene-1 원문보기

초록 ▼

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연구과제 타임라인

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