Established in 1984, Criticare Systems is an international medical device company. Criticare designs, manufactures and markets patient monitoring systems and noninvasive sensors. The company uses proprietary technology to reduce health care costs and improve patient management. The company s products address patient safety concerns and monitoring needs in anesthesia, critical care, respiratory care, transport and outpatient care environments. Criticare Systems works within anesthetic gas monitoring, vital signs monitoring, gas and agent analysis and central station monitoring systems. The company developed and introduced DOX Digital Oximetry, one of the first completely digital pulse oximetry systems that provides higher performance in high motion, low perfusion and ambient noise. Criticare Systems is headquartered in Waukesha, Wis.