Edan Instruments, Inc. is principally engaged in the research, development, manufacture and distribution of medical electronic devices. The Company provides maternity product series, including dopplor fetal heart beat monitors, ultrasonic dopplor fetal heart beat monitors, fetal/maternal monitors, maternity central monitoring systems, maternity remote monitoring systems and maternity integrated diagnostic monitoring systems; electrocardiograph series, including digital twelve-channel electrocardiographs, digital six-channel electrocardiographs, electrocardiographic workstations, single-channel electrocardiographs and multi-channel electrocardiographs; monitoring product series, including portable multi-variable monitors, central monitoring systems and oximeters, among others, as well as ultrasonic image product series, including digital ultrasonic diagnostic systems, ultrasonic image management systems, dopplor skull diagnosis systems and portable dopplor skull blood analysis devices.