[특허]Neonatal oxygen consumption monitor

Neonatal oxygen consumption monitor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61H-001/00 A61M-016/00
출원번호	US-0902471 (1978-05-03)
발명자 / 주소	Raemer Daniel B. (Salt Lake City UT) Gehmlich Dietrich K. (Salt Lake City UT) Westenskow Dwayne R. (Salt Lake City UT) Johnson deceased Curtis C. (late of Salt Lake City UT by Charles W. Whitehead
출원인 / 주소	University of Utah (Salt Lake City UT 02)
인용정보	피인용 횟수 : 48 인용 특허 : 0

초록 ▼

An oxygen consumption monitor system suitable for use in measuring oxygen uptake in neonates wherein the system includes a check valve system in combination with a high flow, positive-end-expiratory-pressure respirator for supplying a high volume, controlled flow of oxygen through a flow circuit which includes (1) a primary flow line for carrying most of the oxygen supply through a respirator circuit maintained at a positive pressure, and (2) a secondary outlet communicating from said primary flow line through the check valve combination to permit inspiration of oxygen from the respirator circuit and expiration to a separate chamber for measurement of oxygen consumption. Minimal deadspace is developed in the check valve combination to insure fresh oxygen supply with each inspiration by the neonate. The use of opposing oneway valves at inlet and outlet locations of the valve combination permits use of a single opening for coupling to an endotrachael tube. The reduced deadspace also enables accurate oxygen consumption measurement by cumulating the amounts of oxygen required to replenish the expired air to an oxygen concentration measured in the primary flow line.

대표청구항 ▼

An oxygen consumption monitor system suitable for use in measuring oxygen uptake in neonates, comprising: (a) a respirator for supplying a high volume, controlled flow of oxygen; (b) a flow duct for conducting said oxygen from the respirator, said flow duct having a primary flow line and a secondary outlet communicating with said primary flow line; (c) a respiration duct having one end adapted for communication with the lungs of said neonate; (d) an expiration duct for receiving expired gas from the neonate; (e) an inlet and outlet check valve combination coupled jointly on one side of said valves to said respiration duct and on the other side respectively to said secondary outlet and said expiration duct, said valve combination coupling providing an intermittent inspiration passageway from said primary flow line, through said inlet check valve and into the respiration duct and lung region, and an exiration passageway through said respiration duct and outlet check valve to said expiration duct, each of said inlet and outlet valves being biased in a closed position, the valve combination coupling having minimal deadspace; and (f) means coupled to said primary flow line and said expiration duct for comparing the oxygen concentration of inspired gas versus that of corresponding expired gas for a determination of the amount of oxygen consumed.

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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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Neonatal oxygen consumption monitor 원문보기

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이 특허를 인용한 특허 (48)

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