Babies born early (less than 37 completed weeks) is the most common reason for a NICU admission. … These babies need to remain in a controlled, enclosed environment known as an isolette or incubator, which provides heat to keep a constant body temperature and mimics the uterine environment.

infant Incubators. A neonatal incubator is a rigid box-like enclosure in which an infant can be kept in a controlled environment for observation and care. The device may include a heater, a fan, a container for water to add humidity, a control valve through which oxygen may be added, and access ports for nursing care