Temperature variations inside commercial IVF incubators

Air temperature recordings in infant incubators.

Air temperatures were continuously recorded inside four incubators with proportional heating control and six incubators with on/off heating cycles, during routine use. The air temperatures in the former were constant throughout, with a gradient between the roof and above-mattress air temperature not exceeding 1 degree C. In contrast, the recordings from the latter models showed a regular cyclic...

Mist and water condensation inside incubators reduce the efficacy of phototherapy.

OBJECTIVE To measure the irradiance in humidified incubator under three different overhead phototherapy devices. DESIGN/METHODS The effective irradiance of three phototherapy devices was assessed by taking a series of irradiance measurements in the illuminated field. Measurements were made with a fixed bandwidth broadband radiometer (380-530 nm). The distance between the light source and the ...

A Device for Regulating the Temperature of Incubators Either above or below Room Temperature

I t is frequently desirable in studying the effect of temperature on living organisms to have a convenient means of regulating the temperature of an incubator or series of incubators within the range of from 5-40°C. For this purpose it is essential to have a regulating device which is reliable over long periods of time with a variation of 0.2-0.3 ° . As far as the author is aware no convenient ...

Humidification of incubators.

The effect of increasing the humidity in incubators was examined in 62 infants of less than 30 weeks' gestation. Thirty three infants nursed in high humidity for two weeks were compared retrospectively with 29 infants from an earlier study who were nursed under plastic bubble blankets or with topical paraffin but without raised humidity. Humidification reduced skin water loss and improved maint...

Diurnal mucosal temperature variations.