Abstract: The present inventive concept relates to an apparatus and a method for providing a treatment plan by measuring the severity of sleep apnea and causes thereof.

Abstract: The present invention relates to an apparatus and a method of noninvasively separating and measuring a lung ventilation component and a cardiac blood flow component, and more specifically, to an apparatus and a method for extracting shape-reference voltage waveforms associated with lung ventilation and cardiac blood flow through principal component analysis (PCA) and independent component analysis (ICA), respectively, from time series voltage data acquired from a subject, decomposing the lung ventilation component and the cardiac blood flow component for each voltage channel using the extracted shape-reference voltage waveforms, thereby noninvasively, simultaneously, and continuously measuring tidal volume and stroke volume, respectively, from the decomposed lung ventilation component and cardiac blood flow component.

Abstract: The present inventive concept relates to a method and device for monitoring cardiopulmonary function using electrical impedance tomography, and more specifically, to a method and system for monitoring cardiopulmonary function using electrical impedance tomography, whereby lung collapse and hyperinflation are monitored in real-time during a mechanical ventilation treatment process by using a single monitoring device, and information on a plurality of hemodynamic diagnostic parameters changing in real-time during the mechanical ventilation treatment process can be provided. According to the present inventive concept, it is possible to take selectively electrical impedance tomography of blood vessels at any part of a body such as the chest, neck, arms, legs, etc., and to monitor hemodynamic diagnostic parameters including a stroke volume, a cardiac output, a peripheral vascular resistance, etc.

Abstract: Provided is a method for calculating a hemodynamic variable for a subject based on electrical impedance tomography (EIT). The method may include: obtaining EIT images at discrete time points in a cardiac cycle of a subject by targeting a chest portion of the subject; identifying, in the EIT images, values of a first pixel in a region corresponding to the heart and values of a second pixel in a region corresponding to a lung, wherein the values of the first pixel are associated with the discrete time points, respectively, and the values of the second pixel are associated with the discrete time points, respectively; and calculating at least one hemodynamic variable on the basis of a first time point associated with a minimum value among the identified values of the first pixel and a second time point associated with a maximum value among the identified values of the second pixel.

Abstract: A body fat measurement device, disclosed according to the present ion, comprises: at least one electrode unit which supports at least one EIT electrode and is tightly attachable to skin; and a sensor unit which measures electrical impedance tomography information by sensing a signal measured from the electrode unit, wherein, after being connected to the sensor unit and used once, the electrode unit may be separated from the sensor unit and replaced. According to such configuration, the one-time used electrode unit can be replaced from the sensor unit, and thus economic efficiency can be achieved, and convenience of use can be increased.

Abstract: An apparatus and method for extracting a component associated with the specific physiological phenomenon based on measurement of electric properties and reconstructing electrical impedance tomography (EIT) data by using the extracted component include an electrode unit comprising a plurality of electrodes to be attached to a measurement part of a subject, an electric-property measurer configured to measure a plurality of electric properties of the subject according to lapse of time through the plurality of attached electrodes, an EIT-data generator configured to generate EIT data based on change in the plurality of measured electric properties, a pattern extractor configured to extract specific pattern data associated with a specific component caused by a specific physiological phenomenon of the subject from the generated EIT-data, and an EIT-data reconstructor configured to reconstruct the generated EIT-data as EIT data corresponding to the specific component based on the extracted specific pattern data.

Abstract: The present inventive concept relates to an apparatus and a method for providing a treatment plan by measuring the severity of sleep apnea and causes thereof.