Surgery – Isolation treatment chambers – Incubators
Patent
1990-09-11
1995-05-16
Cohen, Lee S.
Surgery
Isolation treatment chambers
Incubators
A61G 1100
Patent
active
054156181
ABSTRACT:
The invention is directed to a method for controlling the operating parameters of an incubator influencing the thermal metabolism of an infant placed in the incubator. The method provides that the control takes place based on the complete defined thermal metabolism of the infant. For this purpose, at least two of four temperature sensors are present for different temperature zones referred to the body of the patient, namely, a sensor for the measurement of the temperature of the main organs, for the measurement of the skin temperature, for the measurement of the temperature of the periphery of the body and for the measurement of the ambient temperature. The output values of the sensors are supplied to a data processing unit which contains a first multi-dimensional table. This table includes table elements comprising condition desired values determined from experience. From the first table and after inputting of selected variables referred to the infant, a matrix is determined for the infant special condition desired values for the different temperature zones and from a comparison to a second multi-dimensional table, the infant is defined in its thermal condition in data called up from a decision matrix. The second multi-dimensional table contains the tolerances for the description of the different temperature conditions (for example, too cold, normal, too warm and the like).
REFERENCES:
patent: 4034740 (1977-07-01), Atherton et al.
AGA Thermovision System 680 Pub. 556119, Oct. 1973.
Szeles et al, Biothermography in the 8-14 Micron Spectral Region, May 1969.
AGA Publication 556/048, Oct. 1973.
AGA Publication 556.005 Oct. 1973.
AGA--"Proven in the Worlds Great Hospitals" Oct. 1973.
Cohen Lee S.
Dragerwerk Aktiengesellschaft
Lacyk John P.
Ottesen Walter
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