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公开(公告)号：ES2005076A6
公开(公告)日：1989-03-01
申请号：ES8602546
申请日：1986-10-10
Applicant: ANDROS ANALYZERS INC
Inventor： PARNOFF GEORGE KENNET , PASSARO ROBERT EUGENE , ROGERS RAYMOND EARL , WILLIAMS KEVIN GRAHAM
Abstract: UN ANALIZADOR DE GASES DOTADO DE UNA FUENTE (11), UNA RUEDA DE FILTROS (17), UNA CELDA DE MUESTRA (21), UN DETECTOR (15) Y UN CIRCUITO DE TRATAMIENTO DE SEÑALES (24) PARA PRODUCIR UNA SALIDA INDICATIVA DE LA CONCENTRACION DE UN GAS PREDETERMINADO COMPARANDO SEÑALES ELECTRICAS PRODUCIDAS POR EL DETECTOR CON UN FILTRO Y REGIONES DE NIVEL OSCURO DE DICHA RUEDA SITUADOS PERIODICAMENTE EN LA TRAYECTORIA DE LA ENERGIA INFRARROJA, DEJANDO PASAR DICHO FILTRO ENERGIA INFRARROJA LIMITADA A UNA BANDA COMPRENDIDA DENTRO DE LA BANDA DE ABSORCION DE DICHO GAS. LA RUEDA CITADA LLEVA UN SEGUNDO FILTRO QUE DEJA PASAR DOS BANDAS DE INFRARROJOS FUERA DE LAS REGIONES DE ABSORCION DE OTROS GASES PRESENTES EN LA CELDA MUESTRA, SIGUIENDO ESTE SEGUNDO FILTRO LA VARIACION DE ABSORCION DEBIDO A LA PRESENCIA DE VAPOR DE AGUA. EL INVENTO ES UTIL PARA CONTROLAR LOS GASES ADMINISTRADOS A PACIENTES ANESTESIADOS.
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公开(公告)号：NO872417D0
公开(公告)日：1987-06-10
申请号：NO872417
申请日：1987-06-10
Applicant: ANDROS ANALYZERS INC
Inventor： PARNOFF GEORGE KENNETH , ROGERS RAYMOND EARL , WILLIAMS KEVIN GRAHAM , PASSARO ROBERT EUGENE
IPC: G01N20060101 , G01N21/3504 , G01N
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公开(公告)号：AU6474986A
公开(公告)日：1987-05-05
申请号：AU6474986
申请日：1986-10-10
Applicant: ANDROS ANALYZERS INC
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公开(公告)号：BR8108743A
公开(公告)日：1982-06-22
申请号：BR8108743
申请日：1981-08-14
Applicant: ANDROS ANALYZERS INC
Inventor： PASSARO ROBERT EUGENE , WILLIAMS KEVIN GRAHAM
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公开(公告)号：FI80202B
公开(公告)日：1990-01-31
申请号：FI831371
申请日：1983-04-21
Applicant: ANDROS ANALYZERS INC
Inventor： PASSARO ROBERT EUGENE , BUROUGH IRVIN GEORGE
Abstract: The invention relates to a method and apparatus for determination of the partial pressure of carbon dioxide in a patient's arterial blood. The method and apparatus are particularly useful when the patient is under anaesthesia. The carbon dioxide concentration is measured at the end of the patient's expiration. The nitrous oxide concentration is also measured, so that the measured values of carbon dioxide concentration can be corrected in accordance with the measured values for nitrous oxide concentration. Special detecting wavelengths are described together with other parameters of the apparatus for achieving a high level of precision.
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Patent Agency Ranking
公开(公告)号：DE3279805D1
公开(公告)日：1989-08-17
申请号：DE3279805
申请日：1982-08-24
Applicant: ANDROS ANALYZERS INC
Inventor： PASSARO ROBERT EUGENE , BUROUGH IRVIN GEORGE
Abstract: A method and apparatus are described for determining the partial pressure of carbon dioxide in the arterial blood of a patient. The method and apparatus are particularly useful where the patient is under anesthesia. Carbon dioxide concentration is measured at the end tidal of the patient's exhaled breath. Nitrous oxide concentration is also measured so that the measured values of the carbon dioxide concentration may be corrected in accordance with the measured value of the nitrous oxide concentration. Particular wavelengths of detection are described, together with other apparatus parameters to provide a high level of accuracy.
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公开(公告)号：IT1154319B
公开(公告)日：1987-01-21
申请号：IT4902382
申请日：1982-08-24
Applicant: ANDROS ANALYZERS INC
Inventor： PASSARO ROBERT EUGENE , BURROUGH IRVIN GEORGE
Abstract: A method and apparatus are described for determining the partial pressure of carbon dioxide in the arterial blood of a patient. The method and apparatus are particularly useful where the patient is under anesthesia. Carbon dioxide concentration is measured at the end tidal of the patient's exhaled breath. Nitrous oxide concentration is also measured so that the measured values of the carbon dioxide concentration may be corrected in accordance with the measured value of the nitrous oxide concentration. Particular wavelengths of detection are described, together with other apparatus parameters to provide a high level of accuracy.
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公开(公告)号：AT44447T
公开(公告)日：1989-07-15
申请号：AT82902861
申请日：1982-08-24
Applicant: ANDROS ANALYZERS INC
Inventor： PASSARO ROBERT EUGENE , BUROUGH IRVIN GEORGE
IPC: A61B5/08
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公开(公告)号：NO872417L
公开(公告)日：1987-06-10
申请号：NO872417
申请日：1987-06-10
Applicant: ANDROS ANALYZERS INC
Inventor： PARNOFF GEORGE KENNETH , ROGERS RAYMOND EARL , WILLIAMS KEVIN GRAHAM , PASSARO ROBERT EUGENE
IPC: G01N20060101 , G01N21/3504 , G01N
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公开(公告)号：FI831371A0
公开(公告)日：1983-04-21
申请号：FI831371
申请日：1983-04-21
Applicant: ANDROS ANALYZERS INC
Inventor： PASSARO ROBERT EUGENE , BUROUGH IRVIN GEORGE
Abstract: A method and apparatus are described for determining the partial pressure of carbon dioxide in the arterial blood of a patient. The method and apparatus are particularly useful where the patient is under anesthesia. Carbon dioxide concentration is measured at the end tidal of the patient's exhaled breath. Nitrous oxide concentration is also measured so that the measured values of the carbon dioxide concentration may be corrected in accordance with the measured value of the nitrous oxide concentration. Particular wavelengths of detection are described, together with other apparatus parameters to provide a high level of accuracy.
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