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Cardiovascular

Subclass of:

600 - Surgery

600300000 - DIAGNOSTIC TESTING

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
600508000 Heart 1052
600485000 Measuring pressure in heart or blood vessel 623
600483000 Simultaneously detecting cardiovascular condition and diverse body condition 237
600500000 Detecting blood vessel pulsation 131
600504000 Measuring blood flow in body portion other than heart 110
600482000 Measuring resistance of capillary blood vessels to hemorrhage 1
20120078121SYSTEMS AND METHODS FOR ANALYSIS AND TREATMENT OF A BODY LUMEN - A catheter for placement within a body lumen, the catheter including a flexible conduit that is elongated along a longitudinal axis, the flexible conduit having a proximal end and a distal end, at least one delivery waveguide and at least one collection waveguide extending along the flexible conduit, a lumen-expanding inflatable balloon disposed about a portion of the conduit, a transmission output of the at least one delivery waveguide and a transmission input of the at least one collection waveguide located within the balloon; and, at least one elongate arm connected to the conduit and positioned within the balloon, the at least one elongate arm radially translatable with respect to the conduit, and wherein at least one of the transmission output and transmission input is coupled to the elongate arm.03-29-2012
Entries
DocumentTitleDate
20080269621Diagnosing Peripheral Vascular Disease by Monitoring Oxygen Saturation Changes During an Ischemia Phase - Peripheral vascular disease is diagnosed through measurements of oxygen saturation. In a specific implementation, peripheral vascular disease is diagnosed based on changes in oxygen saturation in tissue. Ischemia is induced, and then measurements of changes in oxygen saturation in tissue are made. Based on changes in oxygen saturation during the induced ischemia phase, a diagnosis is provided of whether a patient has or does not have peripheral vascular disease.10-30-2008
20090287093Circulatory monitoring systems and methods - Systems and methods are described for obtaining and acting upon information indicative of circulatory health and related phenomena in human beings or other subjects.11-19-2009
20130035600METHOD TO MEASURE ARTERIAL ELASTICITY AND ARTERIOSCLEROSIS - A method to measure arterial elasticity and arteriosclerosis includes a measuring step and a sampling step to obtain a pulse waveform which represents the displacement of an arterial wall during elastic dilation and contraction. The method of the invention also includes a first differentiation step and a second differentiation step to respectively obtain a first differential pulse waveform and a second differential pulse waveform. The evaluation data is obtained when the arterial wall dilates to the maximum thereof. In an evaluating step, the maximum elastic force represented by the second differentiation of the maximum displacement of the arterial wall is divided by the maximum displacement of the arterial wall to obtain an arterial elasticity coefficient to determine extent of arteriosclerosis and prevent cardiovascular diseases. The present invention has advantages of noninvasive and direct evaluation to arterial elasticity, easy operation, high accuracy and low cost and thus has very high utility.02-07-2013
20130079646PHYSIOLOGICAL PERTURBATIONS FOR MEASURING HEART FAILURE - Techniques of inducing a physiological perturbation to monitor a heart failure status of a patient are described. An implantable medical device (IMD) may induce a physiological perturbation in the patient to monitor and determine how the patient responds to the physiological change. This response may be indicative of heart failure improvement or worsening. For example, the IMD may deliver electrical stimulation with parameters configured to perturb the patient (e.g., stimulation that deviates from stimulation therapy). The IMD may then detect at least one physiological parameter to monitor the patient's response to the perturbation. Based on the detected physiological parameter, the IMD may generate a heart failure status. The heart failure status may then be used for adjusting patient therapy, with or without the use of remote monitoring.03-28-2013
20080249420Vascular Catheter Device and Related Methods of Using the Same - A catheter device fur diagnostic vascular treatment and/or therapeutic vascular treatment of a subject's vasculature having a blunt, atraumatic (non-traumatic) distal tip and orifice edge to the catheter. This will eliminate or mitigate catastrophic complications caused by contemporary catheters such as vascular dissection, thrombosis, distal embolization and vessel occlusion. The catheter tip can be shaped in various ways with solid material (compressible or non-compressible) or balloon inflation devices to create a blunt, atraumatic (non-traumatic) tip and orifice, and may include a set-back region as well.10-09-2008
20090306523APPARATUS FOR MEASURING VASCULAR VISCOELASTICITY INDEX - The present invention is directed to provide an apparatus for measuring a vascular viscoelasticity index which is noninvasive, simple in structure and yet inexpensive.12-10-2009
20110015530LIVING BODY TISSUE THREE-DIMENSIONAL MODEL AND PRODUCTION METHOD THEREFOR - An internal tissue including a lesion region in the human body is modeled as a three-dimensional model. By reconstructing thickness or flexibility of a lumen wall portion including the lesion region and making it possible to confirm a motion of the lumen wall or a flow of fluid in the inside of the lumen wall, a state of the lesion region in the lumen can be confirmed clearly by visual inspection or the like. As a result, the diagnosis in the lumen can be made easier.01-20-2011
20100081941CARDIOVASCULAR HEALTH STATION METHODS AND APPARATUS - Methods and apparatus for improving measurements of cardiovascular health status in a given individual are provided. The comprehensive assessment of cardiovascular health includes at least two components: risk factor assessment based on epidemiologic studies and functional status of the individual. Structural studies of the individual can also be included in the comprehensive assessment of cardiovascular health. The invention aims to improve detection, treatment, devices, and administration of cardiovascular risk assessment.04-01-2010
20110282215Diagnostic Tool - Diagnostic tool comprising a sheet representing a human or animal body, which body is divided into a set of zones, a first identifier being attributed to each zone, which tool also comprises, for each diagnostic to be applied, a set of indicators formed by a first indicator reproducing the first identifier attributed to the first of said zones where a person in charge of making the diagnostic must apply at least one finger of one of his or her hands and a sequence of second indicators reproducing the first identifiers attributed to the successive points attributed in zones thus identified where said person must successively apply at least one finger of his or her other hand.11-17-2011
20090292212Circulatory monitoring systems and methods - Systems and methods are described for obtaining and acting upon information indicative of circulatory health and related phenomena in human beings or other subjects.11-26-2009
20100036263Circulatory monitoring systems and methods - Systems and methods are described for obtaining and acting upon information indicative of circulatory health and related phenomena in human beings or other subjects.02-11-2010
20100087742PHYSIOLOGICAL CHARACTERISTIC DETERMINATION FOR A MEDICAL DEVICE USER - A method for determining a physiological characteristic of a patient on which a medical device is applied is disclosed. Electric current data is obtained from the medical device. The electric current data is filtered to produce filtered data. The physiological characteristic is determined based on the filtered data.04-08-2010
20080269622METHODS AND DEVICES FOR DETECTION OF CONTEXT WHEN ADDRESSING A MEDICAL CONDITION OF A PATIENT - Methods and devices detect context related to a patient when monitoring a physiological condition of the patient and/or when applying one or more modes of therapy. The context may be a patient context such as posture or an environmental context such as ambient conditions. The context may be used in various ways in relation to the physiological measurement, such as to control when the physiological measurements are made, to appropriately flag physiological measurements, to be recorded in association with the physiological measurements, and/or to correct the physiological measurements based on a reference context. A device such as a beacon transmitter is used in detecting the context and a measurement device such as an implantable cardiovascular device is used to capture the physiological measurements.10-30-2008
20080269620Diagnosing Peripheral Vascular Disease by Monitoring Oxygen Saturation Changes During an Accumulation Phase - Peripheral vascular disease is diagnosed through measurements of oxygen saturation. In a specific implementation, peripheral vascular disease is diagnosed based on changes in oxygen saturation in tissue. Ischemia is induced, and measurements of changes in oxygen saturation in tissue are made. Based on changes in oxygen saturation during an accumulation phase, a diagnosis is provided of whether a patient has or does not have peripheral vascular disease.10-30-2008
20080208062Method and Apparatus For Determining at Least One Patient-Related Parameter For Monitoring a Patient - A method is described for determining at least one patient-related parameter for monitoring a patient. A general population-related non-linear pressure/CSA relationship of the arterial vascular bed is used and the arterial pressure of the patient is measured to obtain a prediction of the cross sectional area (CSA) of the thoracic part of the aorta. The cross sectional area is measured, wherein at least one parameter of the general population-related non-linear pressure/CSA relationship is corrected by means of the measured cross sectional area to determine a patient-related non-linear pressure/CSA relationship such that the cross sectional area obtained with this patient-related pressure/CSA relationship is equal to the measured cross sectional area.08-28-2008
20090287094Circulatory monitoring systems and methods - Systems and methods are described for obtaining and acting upon information indicative of circulatory health and related phenomena in human beings or other subjects.11-19-2009
20090292213Circulatory monitoring systems and methods - Systems and methods are described for obtaining and acting upon information indicative of circulatory health and related phenomena in human beings or other subjects.11-26-2009
20080208063Patient Monitoring System and Method - The present invention relates to a patient monitoring system for monitoring cardio pulmonary performance or the like by means of capacitive measurement. Further the invention relates to a method for monitoring cardio pulmonary performance or the like by means of a capacitive measurement. In order to provide a reliable technique for monitoring cardio pulmonary performance or the like, which technique is particularly suitable for home use, a patient monitoring system (08-28-2008
20090292214Circulatory monitoring systems and methods - Systems and methods are described for obtaining and acting upon information indicative of circulatory health and related phenomena in human beings or other subjects.11-26-2009
20100152591APPARATUS AND METHOD FOR NON-INVASIVE AND MINIMALLY-INVASIVE SENSING OF PARAMETERS RELATING TO BLOOD - A system and method for monitoring one or more parameters relating to blood, such as cardiac output, of a patient is provided. The system preferably includes an acoustic energy transducer unit configured and positioned to transmit acoustic energy into a target structure, preferably a blood vessel, within the patient so as to induce a measurable change, preferably a change in blood volume, within the target structure. The transducer unit can be an ultrasonic array, annular array, or groups thereof, or a single element transducer. The unit can also be a vibrator or acoustic loudspeaker. An optical transmitter transmits light into the target structure, and an optical receiver senses light scattered from within the target structure. The blood parameter can then be estimated from the sensed scattered radiation. Relative blood oxygen saturation in the blood vessel can be estimated by transmitting two wavelengths to measure oxy-hemoglobin and deoxy-hemoglobin.06-17-2010
20100217132METHODS AND APPARATUS FOR LOCATING A SURFACE OF A BODY LUMEN - An embodiment of an apparatus for locating a surface of a body lumen is disclosed. The apparatus includes a locator assembly that has a distal end region configured to extend into an opening of the body lumen and to selectably engage at least a portion of the body lumen adjacent to the opening. The distal end region includes at least one surface engaging element that is configured to engage the surface of the body lumen. The apparatus includes a measuring device that is in electrical communication with the surface engaging element. The measuring device is configured to determine changes in measurable characteristics of the surface engaging element. Methods and apparatus for locating a surface of a body lumen are also disclosed.08-26-2010
20080294057SYSTEMS AND METHODS FOR MODEL-BASED ESTIMATION OF CARDIAC EJECTION FRACTION, CARDIAC CONTRACTILITY, AND VENTRICULAR END-DIASTOLIC VOLUME - The methods and systems for estimating cardiac ejection fraction, cardiac contractility, and ventricular end-diastolic volume on a beat-by-beat basis include observing arterial blood pressure waveforms to determine ventricular compliances for a pressure-volume loop in the ventricle. Uncalibrated or calibrated cardiac ejection fraction may be calculated from estimates of stroke volume and the ventricular compliances. Cardiac contractility may be calculated from estimates of a ventricular compliance. Uncalibrated or calibrated ventricular end-diastolic volume may also be calculated from estimates of stroke volume and the ventricular compliances. A set of calibration parameters for calibrating cardiac ejection fraction or ventricular end-diastolic volume may be estimated in a least-squares manner.11-27-2008
20080249421CONTACT PRESSURE SENSING APPARATUS FOR USE WITH EXERCISE EQUIPMENT SENSORS - Contact pressure sensing apparatus for use with exercise equipment sensors are described. An example apparatus includes a sensor to detect a physiological condition of a user of an exercise device through physical contact with the user and a pressure sensor to detect a contact pressure applied by the user to the sensor.10-09-2008
20100331708MONITORING CARDIOVASCULAR CONDITIONS USING SIGNAL TRANSIT TIMES - Methods for monitoring cardiovascular conditions, i.e., hyperdynamic circulation, vasodilation, vasoconstriction, or central-to-peripheral arterial pressure decoupling conditions are described. These methods involve measuring a central signal proportional to or a function of the subject's heart activity and a peripheral signal proportional to or a function of a signal related to the central signal. Then calculating a time difference between features in the central and peripheral signals representing the same heart event. The cardiovascular condition is indicated if the time difference is greater or lower than a threshold value, if the time difference is greater or lower than a threshold value over a specified period of time, or if there is a significant statistical change in the times over the specified time period. These methods can alert a user that a subject is experiencing the cardiovascular condition, which can enable a clinician to appropriately provide treatment to the subject.12-30-2010
20110040193FITNESS TEST - This document describes a fitness test application which allows the user to exercise freely (running and cycling outdoors, bicycle ergometer, rowing ergometer, treadmill) and which provides an estimate of user's fitness during and/or after the exercise. The analysis can be performed either as real-time or as post-analysis.02-17-2011
20110087113System and Process For Non-Invasive Collection and Analysis of Physiological Signals - A system and method for detecting, monitoring and analyzing physiological characteristics. Signals from a subject are acquired from a suite of sensors, such as temperature, carbon dioxide, humidity, light, movement, electromagnetic and vibration sensors, in a passive, non-invasive manner. The signals are processed and physiological characteristics are isolated for analysis. The system and method are to analyze sleep patterns, as well as to prevent bed sores or detect conditions such as illness, restless leg syndrome, periodic leg movement, sleep walking, or sleep apnea. However, numerous other applications of the invention are also disclosed.04-14-2011
20100010355DEVICES, SYSTEMS, AND METHODS FOR MAPPING ORGAN PROFILES - Devices, systems, and methods for the localization of body lumen junctions and other intraluminal structure are disclosed. Various embodiments permit clinicians to identify and locate lesions and/or anatomical structures within a lumen and accurately place leads and/or devices within a lumen, through determining the intralumen conductance and/or cross-sectional area at a plurality of locations within the body lumen.01-14-2010
20110077530CATHETER FOR LEFT CORONARY ARTERY AND ENGAGING METHOD THEREFOR - Disclosed herein is a catheter for a left coronary artery having a distal end for being introduced into an opening of the left coronary artery from an artery of an arm. The catheter can include a catheter main body including a main body portion of a substantially linear shape in a natural state thereof and a curved portion extending from the main body portion to form a portion that extends to the distal end and has a curved shape in a natural state thereof.03-31-2011
20120302897HEART RATE VARIABILITY DEVICE AND CLOUD HEALTH MANAGEMENT SYSTEM - The present invention relates to a heart rate variability device and cloud health management system. The heart rate variability device comprises a CPU and is adapted with a telecommunication and communication module. The cloud health management system comprises more than one cloud server and a stress-relieved mechanism server. The invention may serve as a heart rate variability device on one hand, and on the other hand may make use of the telecommunication and communication module to internet-connecting to a hospital, a stress-relieved mechanism and a cloud, thereby forming a new business model to achieve the objectives of reducing cost for heart rate variability disease and accomplishing entire health management.11-29-2012
20090005693Medical Imaging Methods and Apparatus for Diagnosis and Monitoring of Diseases and Uses Therefor - Methods are disclosed for analyzing representations of one or more in situ structures in the body of a subject (e.g., a human subject or other animal subject) to glean information about the health of the subject. Methods are disclosed for diagnosing, staging, grading, and monitoring diseases. Methods also are disclosed for targeting treatments and screening, validating therapies based on the analysis of in situ patters (e.g., individual structural features or distributions), and monitoring the effectiveness of therapies.01-01-2009
20110160596Instrument including a movement sensor and method of using same - An instrument positionable with respect to a body valve in the body of a living subject for performing a predetermined procedure on the living subject at a predetermined location relative to the body valve. The instrument includes: a movement sensor for sensing movements of the body valve; an effective portion for performing the predetermined procedure when the effective portion is at the predetermined location; and an effective portion positioner for positioning the effective portion in the living subject. The effective portion is positionable using the effective portion positioner in response to the movements sensed by the movement sensor for positioning the effective portion at the predetermined location in order to perform the predetermined procedure.06-30-2011
20110152696AUDIBLE BIOFEEDBACK HEART RATE MONITOR WITH VIRTUAL COACH - A system and associated method that provides a virtual coach to a person during an exercise routine includes a sensor used to sense the level of a physiological parameter of the exerciser, such as heart rate, a processor programmed to compare the sensed physiological parameter to a target level of the physiological parameter, and, depending on the comparison, provide coaching prompts to the exerciser. Coaching prompts include audible and visual prompts. In another feature, a visual image of a virtual coach may be made available for display to the exerciser, and in yet another feature, a video of the virtual coach saying the audio prompt may be displayed. The system allows for selection from a plurality of virtual coaches. The audio and video of virtual coaches are recordings of real people and may be produced or obtained from other sources. In one embodiment, audio, visual, and video of the virtual coach may be downloaded from the Internet.06-23-2011
20120277598DEVICE FOR ATTACHING TO LUMEN WALL - A fixing device for attaching to a lumen wall, the device including a base (11-01-2012
20090118625Method for Measuring Flow Rate and Head of Centrifugal Pump, Apparatus Thereof, and Apparatus for Evaluating Circulatory State of Pulsating Cardiovascular System - In centrifugal pumps 05-07-2009
20090036784DETERMINATION OF HEMODYNAMIC PARAMETERS - Hemodynamic parameters of an organ are determined by first estimating hemodynamic parameters for portions of an organ from time sequenced images of the portions obtained after injection of a contrast agent. For each of the portions, the accuracy of the estimated hemodynamic parameters is assessed based on at least one of (i) a relationship between extraction efficiency product (FE) and contrast distribution volume in interstitial space (V02-05-2009
20120150048VASCULAR ANALYSIS METHODS AND APPARATUS - According to some aspects, a method of identifying a boundary of a portion of a vasculature is provided, the vasculature comprising a geometric representation of a plurality of vessels. The method comprises logically dividing the geometric representation into a plurality of regions, determining at least one feature within each of the plurality of regions, and defining the boundary of the portion of the vasculature based, at least in part, on the at least one feature determined within each of the plurality of regions, wherein the boundary forms a volume defining a separation between inside and outside of the portion of the vasculature. According to some aspects, a method of performing vascular analysis using a geometric representation of a plurality of vessels of the vasculature is provided. The method comprises computing a boundary of a portion of the vasculature based on the geometric representation, logically dividing the geometric representation within the boundary into a plurality of regions, and analyzing at least one feature for each of the plurality of regions within the boundary.06-14-2012
20120150049IMPEDANCE MEASUREMENT TO MONITOR ORGAN PERFUSION OR HEMODYNAMIC STATUS - An implantable medical device system and associated method deliver drive signals having different frequencies to establish vector fields comprising an arterial volume and a venous volume corresponding to targeted portion of a patient's body. Impedance signals are determined in response to drive signals having different frequencies. Impedance parameter values are determined over time. A change in the hemodynamic status of a targeted portion of the patient's body is identified in response to the impedance parameter values.06-14-2012
20110152695System for Processing Exercise-Related Data - A method, apparatuses, and a system for carrying out exercise-related processing are described. The apparatus includes an exercise-measurement circuitry configured to measure exercise-related measurement data related to a user carrying out an exercise. The apparatus further comprises a communication circuitry configured to provide the portable apparatus with wireless communication capability. The apparatus further comprises a processing circuitry configured to receive the exercise-related measurement data from the exercise-measurement circuitry, to process the exercise-related measurement data, and to communicate with an external user interface apparatus over a bidirectional wireless communication connection through the communication circuitry so as to cause transmission of the processed exercise-related measurement data to the user interface apparatus and to receive configuration data from the user interface apparatus.06-23-2011
20100298717METHOD FOR NON-EVASIVELY DETERMINING AN ENDOTHELIAL FUNCTION AND A DEVICE FOR CARRYING OUT SAID METHOD - The invention relates to medicine. The inventive method for non-evasively determining an endothelial function consists in reducing a transmural pressure in a limb, recording the amplitude of plethysmographic signals at different pressures, determining the pressure of a maximum plethysmographic signal amplitude, reducing the pressure to a value corresponding to the specified percentage of the maximum amplitude, carrying out an occlusion sample in the course of which a pressure higher by at least 50 mm Hg than the systolic pressure of a tested patient is produced in a cuff arranged proximally to the located limb area, wherein the occlusion is carried out during at least 5 minutes. The inventive device for carrying out said method comprises a sensory unit, a pressure producing unit, an electronic unit constructed in such a way that it makes it possible to measure the cuff pressure corresponding to the maximum plethysmographic signal amplitude and a unit for controlling the pressure producing unit in such a way that the cuff pressure corresponding to the amplitude of a plethysmographic signal, which represents a specified percentage of the maximum amplitude, is attained. The sensory unit is connected to the electronic unit to the output of which the pressure producing unit is connected.11-25-2010
20120046557FLUID TITRATION SYSTEM - A fluid titration system has an optical sensor, a physiological monitor, a titration controller and an infusion device. The optical sensor transmits multiple wavelengths of light into a tissue site of a person and detects the optical radiation after attenuation by pulsatile blood flowing within the tissue site. The physiological monitor receives a resulting sensor signal and derives a plethysmograph that corresponds to the pulsatile blood flow. The monitor also calculates a plethysmograph variability measure that is responsive to changes in perfusion at the tissue site. A titration controller generates a fluid control output according to the variability measure. The infusion device administers a liquid solution via an intravenous (IV) connection to the person according to the fluid control output so as to regulate at least one of a fluid flow start, rate and stop.02-23-2012
20120016246METHODS AND APPARATUS FOR ESTIMATING A BLOOD VOLUME OF A MAMMALIAN SUBJECT - A method for estimating a blood volume of a mammalian subject uses an electronic apparatus to i) compute a blood volume index from hemodynamic data for the subject, and ii) use the blood volume index to generate an output indicative of an estimated blood volume of the subject. The blood volume index is defined in terms of a baseline electrical body impedance of the subject, a baseline heart rate of the subject, an electrical body impedance of the subject at a time of interest, and a heart rate of the subject at the time of interest. The blood volume index may be further defined in terms of a relative heart rate and a relative electrical body impedance.01-19-2012
20120022382WIRELESS PLETHYSMOGRAM SENSOR UNIT, A PROCESSING UNIT FOR PLETHYSMOGRAM AND A PLETHYSMOGRAM SYSTEM - A wireless plethysmogram sensor unit is capable of obtaining a plethysmogram from a living tissue of a measuring object and of transmitting the plethysmogram to a processing unit outside the wireless plethysmogram sensor unit. The sensor unit includes a light source to emit measuring light into the living tissue and a light receiving element to receive light emerging from the tissue, which is accompanied by pulsation caused by absorption by arteries in the tissue. A memory stores a plethysmogram obtained in accordance with the light received by the light receiving element. A short range wireless communicator transmits the plethysmogram to the processing unit. A power source provides power to other elements in the sensor unit, and a controller controls the elements of the sensor unit.01-26-2012
20120071766CONSCIOUSNESS LEVEL DETERMINATION APPARATUS AND CONSCIOUSNESS LEVEL DETERMINATION METHOD - A consciousness level determination apparatus calculates a heart rate interval from a heart rate signal of a subject and calculates a spectral density of each frequency by performing a frequency analysis on the calculated heart rate interval. The apparatus extracts, at each predetermined timing, a combination of a maximum density that is a maximum, a maximum frequency that is a frequency corresponding to the maximum density, and a magnitude difference relation that represents a difference between the maximum density and spectrum densities which correspond to frequencies adjoined to the maximum frequency. The apparatus compares the combination with a combination extracted at a previous timing. The apparatus determines a consciousness level on the basis of a determination reference that is determined by using a result of the comparison.03-22-2012
20110105911Device for Indicator Dilution Measurements - The invention relates to indicator dilution measurements of a central volume (V05-05-2011
20120123279METHOD AND APPARATUS FOR THE ANALYSIS OF A BALLISTOCARDIOGRAM SIGNAL - There is provided a method and apparatus for the analysis of a ballistocardiogram signal. The method comprises detecting heart beats in the BCG signal by locating typical features of a heart beat for a user in the BCG signal, the typical features of the heart beat having been obtained during a training step.05-17-2012
20120316447SYSTEM AND METHOD FOR DIVERTING FLOW TO FACILITATE MEASUREMENT OF SYSTEM PARAMETERS - A method facilitating the measurement of hemodynamic parameters by injection of an indicator in an indicator dilution technique using an extracorporeal circuit connected to a patient, includes reducing a pressure spike associated with the introduction of the indicator into the extracorporeal circuit. The method diverts blood flow during an indicator introduction and then returns the diverted blood back into the extracorporeal circuit after the introduction is completed.12-13-2012
20120277597APPARATUS AND METHODS FOR NON-INVASIVELY MEASURING PHYSIOLOGIC PARAMETERS OF ONE OR MORE SUBJECTS - Improved apparatus and methods for non-invasively assessing one or more physiologic (e.g., hemodynamic) parameters associated with a living organism. In one embodiment, the invention comprises an apparatus adapted to automatically and accurately place and maintain a sensor (e.g., tonometric pressure sensor) with respect to the anatomy of the subject. The apparatus is comprised of a sensor device removably coupled to a host device which is used to position the sensor during measurements. Methods for positioning the alignment apparatus and sensor, and operating the apparatus, are also disclosed.11-01-2012
20120330167ANALYSING IMPEDANCE MEASUREMENTS - A method for use in analysing impedance measurements performed on a subject, the subject being arranged such that body fluid levels in at least one leg segment of the subject changes between a first time and a second time, the method including, in a processing system, at the first time, determining at least one first impedance value indicative of the impedance of the at least one leg segment of the subject; at the second time, determining at least one second impedance value indicative of the impedance of the at least one leg segment of the subject; and, determining an indicator based on the at least one first and at least one second impedance values, the indicator being indicative of changes in the body fluid levels.12-27-2012
20110295126SYSTEMS AND METHODS FOR MEASURING ARTERIAL STIFFNESS - Disclosed herein is a system for monitoring a patient that includes a cuff configured to inflate to at least partially occlude an artery of the patient and a cuff controller configured to control inflation and deflation of the cuff. The system also includes a sensor configured to receive a signal associated with the at least partially occluded artery and generate an output signal based on the received signal. Also included is a signal analysis module configured to receive the output signal and determine a first hemodynamic parameter based on a first set of data obtained during inflation of the cuff and a second set of data obtained during deflation of the cuff.12-01-2011
20110319769ISCHEMIC STATUS MONITORING - An ischemia monitoring system has detectors for detecting the onset of an ischemic event of a tissue in subject, the end of the ischemic event and the end of a following recovery from the ischemic event, respectively. A time processor determines the duration of the ischemic event and the recovery period based on the detected onset and end times. A status processor co-processes the two determined time durations for the purpose of monitoring the ischemic status of the subject and detecting any deterioration in ischemic status for the latest ischemic event as compared to previous ischemic events that have occurred in the subject's tissue.12-29-2011
20080243005Computational user-health testing - Methods, apparatuses, computer program products, devices and systems are described that carry out obtaining user-health data; selecting at least one user-health test function at least partly based on the user-health data; and applying the at least one user-health test function to at least one interaction between at least one user and at least one device-implemented application whose primary function is different from symptom detection.10-02-2008
20100022894Intravascular Measurement - An implantable sensor for measuring fluidic parameters with a surface acoustic wave transponder for detecting vasomotor quantities and one retaining stent attached to each of two opposite ends of the surface acoustic wave transponder.01-28-2010

Patent applications in class Cardiovascular

Patent applications in all subclasses Cardiovascular