| Entries |
| Document | Title | Date |
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| 20080208062 | Method 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 |
| 20080208063 | Patient 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 |
| 20080243005 | Computational 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 |
| 20080249420 | Vascular 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 |
| 20080249421 | CONTACT 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 |
| 20080269620 | Diagnosing 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 |
| 20080269621 | Diagnosing 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 |
| 20080269622 | METHODS 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 |
| 20080294057 | SYSTEMS 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 |
| 20090005693 | Medical 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 |
| 20090036784 | DETERMINATION 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 (V | 02-05-2009 |
| 20090118625 | Method 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 |
| 20090287093 | Circulatory 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 |
| 20090287094 | Circulatory 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 |
| 20090292212 | Circulatory 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 |
| 20090292213 | Circulatory 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 |
| 20090292214 | Circulatory 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 |
| 20090306523 | APPARATUS 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 |
| 20100010355 | DEVICES, 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 |
| 20100022894 | Intravascular 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 |
| 20100036263 | Circulatory 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 |
| 20100081941 | CARDIOVASCULAR 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 |
| 20100087742 | PHYSIOLOGICAL 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 |
| 20100152591 | APPARATUS 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 |
| 20100217132 | METHODS 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 |
| 20100298717 | METHOD 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 |
| 20100331708 | MONITORING 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 |
| 20110015530 | LIVING 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 |
| 20110040193 | FITNESS 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 |
| 20110077530 | CATHETER 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 |
| 20110087113 | System 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 |
| 20110105911 | Device for Indicator Dilution Measurements - The invention relates to indicator dilution measurements of a central volume (V | 05-05-2011 |
| 20110152695 | System 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 |
| 20110152696 | AUDIBLE 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 |
| 20110160596 | Instrument 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 |
| 20110282215 | Diagnostic 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 |
| 20110295126 | SYSTEMS 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 |
| 20110319769 | ISCHEMIC 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 |
| 20120016246 | METHODS 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 |
| 20120022382 | WIRELESS 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 |
| 20120046557 | FLUID 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 |
| 20120071766 | CONSCIOUSNESS 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 |
| 20120123279 | METHOD 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 |
| 20120150048 | VASCULAR 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 |
| 20120150049 | IMPEDANCE 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 |
| 20120277597 | APPARATUS 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 |
| 20120277598 | DEVICE FOR ATTACHING TO LUMEN WALL - A fixing device for attaching to a lumen wall, the device including a base ( | 11-01-2012 |
| 20120302897 | HEART 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 |
| 20120316447 | SYSTEM 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 |
| 20120330167 | ANALYSING 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 |
| 20130006122 | SENSOR GUIDE WIRE - Sensor guide wire for intravascular measurements of a physiological variable in a living body, comprising a core wire running along at least a part of the sensor guide wire and a sensor element arranged in a jacket in a sensor region of the sensor guide wire. The jacket is tubular and is provided with a jacket wall and a portion of the core wire that extends longitudinally along the sensor region forms part of the wall of the jacket, in order to provide more space in the jacket. | 01-03-2013 |
| 20130035600 | METHOD 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 |
| 20130079646 | PHYSIOLOGICAL 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 |
| 20130274613 | METHOD AND DEVICE FOR RECOGNITION OF PARAVASAL BLEEDING - A method and a device for recognition of paravasal bleeding upon a supplying of blood to a vascular access via a line and/or upon the removal of blood from a vascular access via a line is provided. A device for extracorporeal blood treatment comprising a device for recognition of paravasal bleeding is also provided. The method and the device are based on the change of arterial pressure in the arterial branch or the venous pressure in the venous branch of the extra-corporeal circuit being registered during the extracorporeal blood treatment. One aspect of the method and the device is that pressure changes that come from a pressure level exhibiting a large difference from a reference value are more strongly considered than those that come from a pressure level that exhibits only a minor difference from the reference value. | 10-17-2013 |
| 20130296718 | TUBE AND SENSOR GUIDE WIRE COMPRISING TUBE - A tube for an intravascular medical device has a longitudinal extension along a longitudinal axis. The tube comprises a tube wall having a specified thickness and a plurality of through-going slots, wherein each slot has an essentially elongated shape along a main extension extending along the circumference of the tube. At least two slots are provided in a plane perpendicular to the longitudinal axis such that the main extension of the at least two slots are in the perpendicular plane. The lengths of the slots in the same perpendicular plane P are essentially the same, and the lengths L of the slots in different planes vary along the longitudinal extension of the tube according to a predefined pattern. A sensor guide wire for an intravascular measurement of at least one variable in a living body may comprise such a tube. | 11-07-2013 |
| 20140066786 | Method and Apparatus For Improved Wound Healing and Enhancement of Rehabilitation - Methods and a device for improving wound healing and for improving the effects of rehabilitative therapies in patients with cognitive and motor deficits are provided. Repeated regimens of remote ischemic conditioning are performed. Markers of ischemia are monitored in the tissue. The remote ischemic conditioning regimen may be adjusted based on the monitoring results. The remote ischemic conditioning regimen can be performed at a hospital, medical clinic, healthcare facility, or at a subject's home. | 03-06-2014 |
| 20140121541 | METHOD FOR CALCULATING AN ESTIMATE OF A TIME-VARYING PHYSIOLOGICAL VARIABLE - A medical device performs a method for computing an estimate of a physiological variable. The method includes sensing a physiological signal and measuring an event of the physiological signal. The device initializes a value of a long-term metric of the event measurement, wherein the long-term metric corresponds to a time interval correlated to a response time of the physiological variable to changes in the event. The estimate of the long-term metric is updated in a memory of the medical device using a previous long-term metric and a current measurement of the event. The device detects a need for computing the physiological variable and computes an estimate of the physiological variable using the updated long-term metric. | 05-01-2014 |
| 20140128747 | ASSESSING ENDOTHELIAL FUNCTION USING A BLOOD PRESSURE CUFF - Methods and apparatus are provided for assessing endothelial function in a mammal. The methods involve applying to the artery a substantially constant external pressure, where the pressure is provided via a cuff adjacent to and/or around a region of the mammal's body; determining, over the course of one or more cardiac cycles, changes in pressure in the cuff resulting from cardiac activity of the mammal to establish a baseline value for a parameter related to endothelial function in the mammal; applying a stimulus to the mammal; determining, over the course of one or more cardiac cycles, changes in pressure in the cuff resulting from cardiac activity of the mammal to establish a stimulus-effected value for a parameter related to endothelial function in the mammal; wherein differences in the baseline value and the stimulus-effected value provide a measure of endothelial function in the mammal. | 05-08-2014 |
| 20140142438 | USING LOCATION AND FORCE MEASUREMENTS TO ESTIMATE TISSUE THICKNESS - A method, including pressing a distal end of a medical probe against a wall of a body cavity, and receiving from the probe first measurements of a force exerted by the distal end on the wall. The method also includes receiving from the probe second measurements indicating a displacement of the wall in response to the force. The method further includes estimating a thickness of the wall based on the first and the second measurements. | 05-22-2014 |
| 20140187972 | Guidewire Devices and Methods - Guidewire devices and methods are disclosed. In a preferred embodiment, a guidewire including a flexible element having a first center point, a stiffening core wire comprising at least three wires collectively having a second center point and extending from a proximal section to a distal section within the flexible element, wherein the flexible element has an outer diameter of about 0.035 inches or less, and wherein the first and second center points are within about 0.001 inches of each other, is included. Methods of making and/or assembling such guidewire devices are also provided. | 07-03-2014 |
| 20140194753 | ELECTRICALLY ISOLATED CATHETER WITH WIRELESS SENSORS - A local power-delivery/data-reception unit is installed within an insertion end of a sealed catheter. The local power-delivery/data-reception unit wirelessly powers a separately sealed sensor that is attached to the insertion end and configured for wirelessly sending a data signal to the local power-delivery/data-reception unit. The catheter may further feature a remote power-delivery/data-reception unit disposed within the handle and configured for wirelessly communicating with the local power-delivery/data-reception unit and a controller for controlling the sensor. | 07-10-2014 |
| 20140200461 | CARDIAC ANALYSIS BASED ON VESSEL CHARACTERISTICS - A system and method includes reception of a first image of a blood vessel, reception of a second image of the blood vessel, determination of a first size of a region of the blood vessel based on the first image, determination of a second size of the region of the blood vessel based on the second image, and calculation of a parameter of the blood vessel based on the first size and the second size. | 07-17-2014 |
| 20140200462 | MECHANISM FOR RELEASABLY ENGAGING AN IMPLANTABLE MEDICAL DEVICE FOR IMPLANTATION - An apparatus for releasably engaging an implantable medical device during delivery includes an elongate, tubular body having an open distal end a plurality of deflectable jaw members extending distally from the distal end of the body and terminating in distal tip portions, and an actuating member slidably disposed within the body and including a distal end portion operable to prevent inward deflection of the jaw members when positioned proximate the distal tip portions. The jaw members are adapted to releasably engage an engagement feature of the implantable medical device. | 07-17-2014 |
| 20140276121 | IMPEDANCE DEVICES AND METHODS OF USING THE SAME IN CONNECTION WITH A MAMMALIAN VASCULATURE - Impedance devices and methods of using the same in connection with a mammalian vasculature. In an embodiment of a method for determining vessel compliance, the method comprises the steps of introducing at least part of an impedance device into a site within a vessel, the impedance device comprising an elongated body having a distal body end, and a first electrode located along the elongated body at or near the distal body end, providing electrical current to the first electrode and a first external electrode not coupled to the elongated body to generate the electric field, the first external electrode positioned upon or within a mammalian body having the vessel therein, operating the impedance device to obtain two or more conductance values within the electric field, and calculating vessel compliance based upon the relationship between a change in vessel parameter and a change in pressure during a cardiac cycle. | 09-18-2014 |
| 20140303507 | EXTERNAL DEFIBRILLATOR WITH POWER AND BATTERY SHARING CAPABILITIES WITH A POD - A modular external defibrillator system in embodiments of the teachings may include one or more of the following features: (a) a base containing a defibrillator module to deliver a defibrillation shock to a patient, (b) a patient parameter monitoring pod connectable to a patient via patient lead cables to collect patient data, the patient data including at least one patient vital sign, (c) a power supply sharing link between the base and the pod, the pod receiving power from the base via the power sharing link, the pod being operable to collect patient data without receiving power from the base, and (d) an external battery charger, the battery charger interrogating the batteries to determine battery information used for battery charging, the battery information including at least one of charging voltage, charging current, and charge time. | 10-09-2014 |
| 20150080747 | DEVICES, SYSTEMS AND METHODS FOR LOCALLY MEASURING BIOLOGICAL CONDUIT AND/OR LESION COMPLIANCE, OPPOSITION FORCE AND INNER DIAMETER OF A BIOLOGICAL CONDUIT - The present invention is directed in various methods, devices and systems relating to systems and methods for measuring and calculating a biological conduit's, e.g., a blood vessel, inner diameter, the opposition force of the conduit's wall on an expanding balloon disposed therein and the conduit and/or lesion compliance to the expanding balloon. | 03-19-2015 |
| 20150080748 | Method and System for Predicting Cardiovascular Events - A method for predicting an increased risk for a complication in a patient subjected to mechanical circulatory support. The method includes continuously, or within given intervals, registering a acoustic intensity verses frequency curve from the mechanical circulatory support. Repeated sound intensity verses frequency curves are registered from a patient to obtain a mean curve for the patient. New sound intensity-frequency curves are repeatedly obtained and compared with the mean curve. Significant deviations between a new sound intensity-frequency curve and the mean curve are detected and indicate an increased risk for a complication event. | 03-19-2015 |
| 20150141850 | BALLOON CATHETER FOR MEASURING THE LENGTH OF A STENOSIS - A balloon catheter adapted for cooperating with an endoscope, the balloon catheter including a catheter shaft, a balloon located at a catheter shaft tip, wherein the catheter shaft includes visual markers designed for determining the length of a stenosis in a bodily structure. | 05-21-2015 |
| 20150148692 | Chordal Sizer - An embodiment includes a cardiovascular surgical apparatus comprising: a sleeve including a distal sleeve end, a proximal sleeve end, and a sleeve long axis extending from the distal sleeve end to the proximal sleeve end; a post including a distal post end and a proximal post end; a first projection member, coupled to the distal sleeve end, including a first projection member main body and a first projection member retention body; a second projection member coupled to the proximal sleeve end; wherein (a) the post telescopes distally from within the sleeve and away from the distal sleeve end; (b) at least one of the first and second projection members rotates at least 45 degrees with respect to another of the first and second projection members; and (c) the first projection member retention body includes a long axis generally parallel to the sleeve long axis. Other embodiments are described herein. | 05-28-2015 |
| 20150359437 | ASSESSING ENDOTHELIAL FUNCTION USING A BLOOD PRESSURE CUFF - Methods and apparatus are provided for assessing endothelial function in a mammal. In certain embodiments the methods involve applying to the artery a substantially constant external pressure that causes the tension in the arterial wall to be reduced, where the pressure is provided via a cuff adjacent to and/or around a region of the mammal's body; determining, over the course of one or more cardiac cycles, changes in pressure in the cuff resulting from cardiac activity of the mammal to establish a baseline value for a parameter related to endothelial function in the mammal; applying a stimulus to the mammal; determining, over the course of one or more cardiac cycles, changes in pressure in the cuff resulting from cardiac activity of the mammal to establish a stimulus-effected value for a parameter related to endothelial function in the mammal; wherein the baseline value is determined from measurements made when the mammal is not substantially effected by the stimulus; and wherein differences in the baseline value and the stimulus-effected value provide a measure of endothelial function in the mammal. | 12-17-2015 |
| 20150359439 | PHYSIOLOGICAL SENSOR DELIVERY DEVICE AND METHOD - An intravascular sensor delivery device for measuring a physiological parameter of a patient, such as blood pressure, within a vascular structure or passage. In some embodiments, the device can be used to measure the pressure gradient across a stenotic lesion or heart valve. For example, such a device may be used to measure fractional flow reserve (FFR) across a stenotic lesion in order to assess the severity of the lesion. The sensor delivery device has a distal sleeve configured to pass or slide over a standard medical guidewire. Some distance back from the sensor and distal sleeve, the device separates from the guidewire to permit independent control of the sensor delivery device and the guidewire. The sensor delivery device can be sized to pass over different sizes of guidewires to enable usage in coronary and peripheral arteries, for example. | 12-17-2015 |
| 20160000365 | ANXIETY METER - Methods and systems for detection of anxiety using physiological signals. The detection of anxiety may take place in real-time and in a naturalistic setting. A modified Kalman filter may be used. | 01-07-2016 |
| 20160038093 | DETERMINING PROSPECTIVE RISK OF HEART FAILURE HOSPITALIZATION - A method of operation of a medical device system for determining prospective heart failure hospitalization risk. The method includes measuring one or more data observations via one or more electrodes of an implanted medical device disposed in a patient's body. The data observations are stored into memory of the implantable medical device of a patient. The data observations are transmitted to an external device. The processor of the external device parses the data observations into one or more evaluation periods. Using the number of observations in one or more evaluation periods, a look up table, stored into memory of the external device, is accessed. The look up table associates prospective heart failure hospitalization risk with the data observations noted in the evaluation period. One or more embodiments involve a weighted prospective heart failure hospitalization risk for the set of evaluation periods. The prospective heart failure hospitalization is then displayed on the graphical user interface. | 02-11-2016 |
| 20160081561 | NONINVASIVE ARTERIAL CONDITION DETECTING METHOD, SYSTEM, AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM - A noninvasive arterial condition detecting system includes a processing device and an electronic stethoscope configured for auscultating carotid artery to receive sound signals. The processing device is connected to the electronic stethoscope. The processing device records the sound signals, preprocesses the sound signal to reduce noise, measures a trough-peak distance and a trough-peak time, and generates an estimate result of arterial conditions according to the trough-peak distance and the trough-peak time. The trough-peak distance and the trough-peak time are related to the health of the carotid artery walls. | 03-24-2016 |
| 20160106318 | NON-INVASIVE DIAGNOSTIC DEVICE BASED ON AUDIOMETRIC ANALYSIS - The handheld device is useful in the diagnosis of diseases and medical conditions based on audiometric analysis of resonated sound. This device has a mechanism to create a sound with the particular characteristics, a mechanism to transmit the sound into the human body at the given anatomical surface area, a system to pick up or receive the resonated sound, an audiometric analyser and a display to display the results based on the audiometric analysis of resonated sound. | 04-21-2016 |
| 20160135740 | METHODS OF DETECTING PARAMETERS OF A LUMEN - A system, device and method are presented for utilizing stretchable active integrated circuits with inflatable bodies. The invention allows for such operative features to come into direct contact with body structures, such as the inner wall of a lumen. Such direct contact increases accuracy of measurement and delivery of therapy. | 05-19-2016 |
| 20160192890 | METHODS AND SYSTEM FOR MONITORING PHYSICAL ACTIVITIES | 07-07-2016 |
| 20170231506 | A SCREENING TEST FOR DETECTION OF DEEP VEIN THROMBOSIS | 08-17-2017 |
| 20170231507 | PHYSIOLOGICAL SENSOR DELIVERY DEVICE AND METHOD | 08-17-2017 |
