Patent application number | Description | Published |
20120232411 | PRESSURE MEASURING SYSTEM, PRESSURE MEASURING SENSOR ASSEMBLY AND A METHOD OF MEASURING A PRESSURE - A pressure measuring System ( | 09-13-2012 |
20130116532 | ELECTRODE SENSOR AND USE OF ELECTRODE SENSOR AS EIT ELECTRODE - Electrode sensor comprising an array of spaced apart individual contact elements ( | 05-09-2013 |
20130123617 | Method and Apparatus for the Non-Invasive Measurement of Pulse Transit Times (PTT) - Method and apparatus for measuring a pulse transit time (PTT) value of a subject, comprising: measuring a first arterial pressure pulse arrival time (PAT) and measuring a second PAT value; calculating a PTT value from the difference between the first PAT value and the second PAT value; processing a sequence of electrical impedance tomography (EIT) images to identify at least one region of interest (ROI); and estimating at least one of the first and second PAT value from the variation of impedance value determined from said at least one ROI. The method allows for the non-invasive and continuous measurement of the PTT value and arterial blood pressures. | 05-16-2013 |
20130190577 | SENSOR DEVICE FOR ELECTRICAL IMPEDANCE TOMOGRAPHY IMAGING, ELECTRICAL IMPEDANCE TOMOGRAPHY IMAGING INSTRUMENT AND ELECTRICAL IMPEDANCE TOMOGRAPHY METHOD - A sensor device for EIT imaging comprises an electrode array for measuring an impedance distribution, with at least one sensor for determining spatial orientation of the electrode array coupled to the electrode array. An EIT imaging instrument is connectable to a sensor for determining spatial orientation of a test person, and optionally in addition connectable to a sensor for gathering information on electrical and/or acoustic activity and/or a sensor for gathering information on dilation. A computing device is connected or integrated for adjusting impedance data based on spatial data, which spatial data describe the spatial orientation of a test subject. An EIT imaging method for measuring an impedance distribution and adjusting said measured impedance distribution comprises measuring impedance distribution by using an impedance distribution measuring device comprising an electrode array, and transforming the measured impedance distribution into EIT images. | 07-25-2013 |
20130217993 | ELECTRODE FOR A SCANNING ELECTRICAL IMPEDANCE TOMOGRAPHY DEVICE AND A SCANNING ELECTRICAL IMPEDANCE TOMOGRAPHY DEVICE - An electrode assembly for an EIT scanning device ( | 08-22-2013 |
20130218031 | METHOD AND APPARATUS FOR ESTIMATING A PULSE ARRIVAL TIME VALUE - Method and apparatus for estimating an arrival time (PAT) value of a subject in an automatic and unsupervised fashion from a sequence of electrical impedance tomography (EIT) images. The method comprises: providing an EIT imaging device adapted to record impedance signal distribution within a measurement region of the subject; measuring a sequence of temporally discrete EIT images during a predetermined measuring time period in the measurement region using the EIT imaging device, each EIT image comprising one or a plurality of EIT pixel subsets, each of said one or a plurality of EIT pixel subset representing an impedance value; generating one or a plurality of time series, each of said one or a plurality of time series representing a variation of the impedance value of the sequence of EIT images; and estimating the PAT value from each of said one or a plurality of time series. | 08-22-2013 |
20140094664 | Method for Determining non-invasively a Heart-Lung Interaction - The present disclosure concerns a method for determining a heart-lung interaction factor of a subject, comprising: measuring a heart activity-related signal comprising heart activity-related information; from the heart activity-related signal, calculating a frequency of cardiac cycle and a frequency of respiratory cycle; from the heart activity-related signal, determining a cardiac cycle energy at the frequency of cardiac cycle, determining a respiratory cycle energy at the frequency of respiratory cycle, and determining a heart-lung interaction energy at an intermodulation frequency corresponding to the difference between the frequency of respiratory cycle and the frequency of cardiac cycle, or the sum of the frequency of respiratory cycle and the frequency of cardiac cycle; and determining a heart-lung interaction factor from the ratio of the heart-lung interaction energy and one of the cardiac cycle energy and the respiratory cycle energy. The heart-lung interaction factor can be determined non-invasively. | 04-03-2014 |
20140100436 | ELECTRODE SENSOR KIT, ELECTRODE ASSEMBLY, AND TOPICAL PREPARATION FOR ESTABLISHING ELECTRICAL CONTACT WITH SKIN, USE THEREOF, AND METHOD OF ELECTRO-IMPEDANCE TOMOGRAPHY (EIT) IMAGING USING THESE - An electrode sensor kit for establishing electrical contact with skin comprises at least one contact element and a preparation comprising a mixture of water and at least one lipid for enhancing electrical contact properties between said contact element and the skin, wherein said mixture forms an emulsion, in particular a water-in-oil or an oil-in-water emulsion, having a conductivity of less than 3 mS/cm. An electrode assembly for electrical impedance tomography which comprises said kit is characterized in that (a) said at least one contact element forms an electrode or sensor plate, and (b) said at least one contact element comprises a layer of said preparation. | 04-10-2014 |
20150038823 | BELT FOR ELECTRO IMPEDANCE MEASUREMENT AND METHOD USING SUCH BELT - An electro impedance measuring belt for placing electrodes around the thorax of a patient comprises an array of a plurality of spaced apart electrodes, and a support structure, on which the electrodes are arranged. The support structure with the electrode array comprises two angulated legs on which the electrodes are lined up, the two legs spread out from an apex at an angle, such that, when the belt is put around the thorax of a patient, the array of electrodes extends from the back of the patient, where the apex of fee angulated legs is to be located, essentially parallel to the ribs to the lower part of the breastbone of the patient. | 02-05-2015 |