US Patent 9307919 Electrode interface system

An electrode interface system for providing a connection between at least one electrode and a maternal-fetal monitor, wherein the interface system converts electrical muscle activity captured by the electrode(s) into uterine activity data signals for use by the maternal-fetal monitor. The electrode interface system of the invention preferably includes a signal converter for processing the signals from the electrode(s) into signals similar to those produced by a tocodynometer.