The problem of the regulation of body heat in the care of premature infants is ever present. Numerous devices have been in use, some complicated and expensive and others simple and less expensive. In nearly all there are mechanical features such as thermostats and ventilating A, incubator for premature infants; B, longitudinal section of incubator. devices which may, and often do, get out of order. The incubator here described is a copy, with a few minor variations, of one devised by Prof. E. Nobel of Vienna and used in the Children's Hospital of the University of Vienna.
It is made of well seasoned half-inch wood, preferably light wood. The joints should be dovetailed to make it more substantial, but they can be mortised if preferred. An arch, 4 inches (10 cm.) high by 8 inches (20 cm.) wide, is cut in one end to permit the infant's head to lie