Patent ID: 8233969

Claim:
A measuring system for measuring blood pressure of a patient, comprising: underpants having a waistband, a right leg portion, and a left leg portion; a plurality of electrodes carried by the underpants, the plurality of electrodes including one or more electrode pairs carried by the waistband, one or more electrode pairs carried by the right leg portion, and one or more electrode pairs carried by the left leg portion; a power supply that supplies power to the measuring system, wherein the power supply is configured to inject currents into the electrode pairs; and a signal processing circuit configured to receive output signals generated by the plurality of electrodes carried by the underpants to determine pulse-transit times based on the output signals received from the plurality of electrodes, wherein the output signals are indicative of voltage changes across the electrode pairs caused by the injected currents, and wherein the signal processing circuit is further configured to determine the blood pressure of the patient based on the pulse-transit times.