Abstract: The present invention relates to a method and a system for carrying out the method of determining at least one cardiovascular quantity of a mammal. The method comprises (i) selecting a measuring site of a vessel; (ii) determining or estimating a mean diameter of the vessel at the measuring site; (iii) determining a pulse wave velocity and/or another elasticity related quantity of the vessel at the measuring site; (iv) determining a distension of the vessel at the measuring site; and (v) calculating the at least one cardiovascular quantity from the determined mean diameter, elasticity related quantity and distension of the vessel at the measuring site.
Abstract: The present disclosure relates to methods, apparatus and sensor for measurement of cardiovascular quantities. In particular, a method for determining one or more cardiovascular quantities is disclosed, the method comprising determining the distension of a vessel enclosed by tissue having a skin surface, wherein determining the distension is based on a first sensor signal indicating capacitance variations between a first electrode and a second electrode; determining the vascular stiffness of the vessel; and determining the blood pressure based on the distension and the vascular stiffness of the vessel.
Abstract: A sensor system for measuring the blood pressure in such a way that the sensing position is in a correct position relative to the heart is devised. The system consists of a wireless sensing device, a transceiver, and a computing and recording device. The sensor reading is recorded wirelessly. The sensor is placed at a convenient location on the body. The coupling antennas are designed in such a way that the antenna characteristics ensures that only when the sensors is within a predetermined position relative to the heart will a recording of the blood pressure actually take place.
Abstract: The present invention relates to a method and an apparatus for non-interfering blood pressure measurements. In particular, the invention relates to an apparatus for continuously monitoring blood pressure for patients at home or at work. The apparatus comprises an extra-corporal sensor for blood pressure determination with a flexible housing adapted to be attached to the body of a living being proximate to an artery, and an electronic circuit for wireless coupling to a remote transceiver in accordance with the blood pressure in the artery, the remote transceiver adapted for wireless coupling to the sensor for generation of a pressure signal in accordance with the blood pressure in the artery, and a processor connected to the remote transceiver for reception of the pressure signal and adapted to estimate systolic and diastolic pressure based on the signal.