Entries |
Document | Title | Date |
20080234587 | AMBULATORY PATIENT MONITORING APPARATUS, SYSTEM AND METHOD - A patient monitoring device that combines physiological data collection with actigraphy data collection and associates the physiological data with synchronous actigraphy data. A method for processing actigraphy data by calculating absolute difference vectors of actigraphy signal vectors. | 09-25-2008 |
20080275347 | Stimulation Arrangement For Measurement Of Physiological Signal Reactivity - The invention relates to a method and apparatus for assessing the reactivity observable in a certain physiological signal, especially the EEG signal, of a subject. In order to obtain a compact measurement arrangement that enables reliable assessment of changes in the reactivity of the subject even during a long time period, a conventional monitoring device is provided with a stimulation module configured to supply stimuli to the subject through a measurement probe that the device uses to receive physiological signal data from the subject. The measurement probe may comprise, for example, an arm cuff through which the device monitors the blood pressure of the subject. | 11-06-2008 |
20080275348 | Monitor device and use thereof - In an apparatus and method for obtaining an indication of energy expenditure by a mammal during exercise, one or more movement transducers ( | 11-06-2008 |
20090099461 | SYSTEM AND METHOD FOR A NON-SUPINE EXTREMITY BLOOD PRESSURE RATIO EXAMINATION - The present invention provides methods that facilitate the determination of a hydrostatic correction factor usable in an EBPR examination of a patient in a non-supine position. In one embodiment, a method for facilitating the determination of a hydrostatic correction factor for an extremity blood pressure ratio examination of a patient in a non-supine position includes establishing the vertical distance between first and second blood pressure measuring devices positionable on first and second extremities of the patient based on an empirically derived formula and determining a hydrostatic correction factor for the extremity blood pressure ratio examination based on the vertical distance. In this regard, the formula for the vertical distance may be based on a percentage of the height of the patient. | 04-16-2009 |
20090156944 | Electronic Device and Method - There is provided electronic device, comprising: a receiving unit configured to receive heart rate data generated by a heart rate measuring system; a calculation unit configured to calculate heart rate variation data on the basis of the received heart rate data. The electronic device further comprises: a processing unit configured to analyse the calculated heart rate variation data in comparison with the corresponding heart rate data, and to determine at least one threshold value for fat burning on the basis of the analysis. | 06-18-2009 |
20090171220 | METHODS FOR DETECTING AND MONITORING SLEEP DISORDERED BREATHING USING AN IMPLANTABLE MEDICAL DEVICE - A method of identifying sleep disordered breathing (SDB) in a patient includes monitoring a hemodynamic pressure, deriving high, middle, and low values representative of the distribution of the hemodynamic pressure over a storage interval, measuring a ratio of a lower range to a full range of the hemodynamic pressure based on the derived high, middle, and low values, and using the ratio to determine whether the patient has experienced an SDB episode. Certain embodiments of the invention compare the ratio to a threshold value to identify the occurrence of an SDB episode, while other embodiments of the invention identify the occurrence of an SDB episode by monitoring for a simultaneous increase in both the ratio and the full range of the hemodynamic pressure. In certain other embodiments of the invention, activity level and/or duration criteria may be employed to confirm the occurrence of an SDB episode detected using the ratio. | 07-02-2009 |
20090192391 | NAVIGATION-ASSISTED FITNESS AND DIETING DEVICE - A navigation-assisted fitness device broadly comprising a location determining component, a fitness monitoring component and a display. The location determining component determines location data for a user of the device as the user exercises. The fitness monitoring component is coupled with the location determining component and calculates fitness information for the user as the user exercises. The display displays the fitness information and other information and data. | 07-30-2009 |
20090247883 | BIOLOGICAL-BODY-ATTACHED DATA COMMUNICATION DEVICE - A biological-body-attached data communication device has a communication unit communicating with an external device via a biological body as a medium, a data processing unit transmitting/receiving data with the external device via the communication unit, an attachment detection unit like a heartbeat sensor detecting whether or not the biological-body-attached data communication device is attached to the biological body, and a power source unit. When the attachment detection unit detects that the device is attached to the biological body, the power source unit supplies operational power to the communication unit and the data processing unit, and when the attachment detection unit detects that the device is not attached to the biological body, the power source units terminates or suppresses power supply to those units. Accordingly, power consumption is suppressed, and draining of the power source is prevented. | 10-01-2009 |
20090253992 | SYSTEM FOR DETERMINATION OF AN EFFECTIVE TRAINING HEART RATE ZONE AND USE OF SUCH A SYSTEM - System for effective training heart rate zone determination, the system comprising: -a training module adapted to determine target training heart rate zone based on at least one stored parameter; -at least one sensor for measuring core temperature of a user's body during training; -at least one sensor for measuring a user's heart rate during training; -a compensation module, which is arranged for compensating the target training heart rate zone based on said core temperature; -an indicating module adapted to compare the users heart rate to an effective training heart rate zone based on information from the compensation module and to inform the user when the heart rate exceeds or drops under the effective training heart rate zone. The invention further relates to use of such a system. | 10-08-2009 |
20090281433 | SYSTEMS AND METHODS FOR PULMONARY MONITORING AND TREATMENT - Systems and methods are disclosed determining a pulmonary function by mounting one or more sensors intra-orally; capturing intra-oral data; and determining the pulmonary function based on an analysis of the intra-oral data. | 11-12-2009 |
20090312647 | Electronic device and pulse rate calculating method - In an electronic device, a pulse rate measuring unit measures user's pulse rate. For example, the pulse rate measuring unit obtains a change in blood flow from a light passing through a user's fingertip, and measures user's current pulse rate based on it. A pulse rate memory unit has previously stored user's previous pulse rate. A pulse rate calculator calculates the user's pulse rate while changing a ratio of the user's current pulse rate measured by the pulse rate measuring unit to the user's previous pulse rate previously stored in the pulse rate memory unit after starting to measure the user's pulse rate. The user's pulse rate calculated by the pulse rate calculator is displayed as the user's pulse rate on a display unit. | 12-17-2009 |
20090312648 | Adaptive Medical Image Acquisition System - A medical imaging system adaptively acquires anatomical images. The system includes a synchronization processor for providing a heart rate related synchronization signal derived from a patient cardiac function blood flow related parameter. The synchronization signal enables adaptive variation in timing of acquisition within successive heart cycles of each individual image frame of multiple sequential image frames. An image acquisition device initiates acquisition of anatomical images of a portion of patient anatomy in response to the synchronization signal. A display processor presents images, acquired by the acquisition device and synchronized with the synchronization signal, to a user on a reproduction device. The image acquisition device adaptively selects image pixel resolution of individual image frames of the multiple sequential image frames in response to data identifying a heart cycle segment so that successively acquired image frames have different image pixel resolution within a single heart cycle. | 12-17-2009 |
20100016733 | Assessing Blood Supply to a Peripheral Portion of an Animal - A post-operative, arterial patency monitoring system for monitoring patency of an artery of a limb including: a first probe positioned adjacent a first tissue area of a limb for producing first output signals dependent upon a first arterial blood supply to the first tissue area; a second probe positioned adjacent a second different tissue area of the limb for producing second, different output signals dependent upon a second arterial blood supply to the second tissue area; and means for processing the first output signals to produce a first arterial blood supply metric for the first arterial blood supply and a second, different, arterial blood supply metric for the first arterial blood supply; means for processing the second output signals to produce the first arterial blood supply metric for the second arterial blood supply and the second arterial blood supply metric for the second arterial blood supply; means for using a predetermined function that takes as its arguments at least the first and second arterial blood supply metrics for the first arterial blood supply to produce a combined arterial patency metric for the first blood supply; means for using the predetermined function that takes as its arguments at least the first and second arterial blood supply metrics for the second arterial blood supply to produce a combined arterial patency metric for the second arterial blood supply; means for comparing the combined arterial patency metric for the first arterial blood supply with the combined arterial patency metric for the second arterial blood supply; and means for determining the patency of a first artery that provides the first arterial blood supply using a difference between the combined arterial patency metric for the first arterial blood supply and the combined arterial patency metric for the second arterial blood supply. | 01-21-2010 |
20100076321 | INDICATION-BASED WORSENING HF ALERT - This document discusses, among other things, receiving a user selection of a heart failure symptom, receiving a user selection of an abnormal psychological condition, receiving information about a physiological patient status parameter, and determining a heart failure status using the received information. | 03-25-2010 |
20100081942 | METHOD, ARRANGEMENT AND APPARATUS FOR MONITORING FLUID BALANCE STATUS OF A SUBJECT - A method and apparatus for monitoring fluid balance status of a subject are disclosed. A hemoglobin measure indicative of hemoglobin concentration in the blood of a subject and at least one physiological parameter responsive to blood volume changes in the subject are determined and concurrent behavior of the hemoglobin measure and the at least one physiological parameter is indicated to a user, thereby to give an indication of fluid balance status of the subject. The cause and/or reliability of the fluid balance status may also be indicated. | 04-01-2010 |
20100121203 | Characterisation of Ageing Effect and Cardiovascular Risk - A method of determining ageing effect and cardiovascular risk in a human patient comprising:- (i) measuring the arterial pulse waveform of the patient when the heart is beating regularly, (ii) extracting the frequency dependent components of the pulse waveform, (iii) determining the ratio of the amplitude based value of the first harmonic (H | 05-13-2010 |
20100185101 | APPARATUS FOR EVALUATING BIOLOGICAL CONDITION, METHOD FOR THE SAME, AND COMPUTER PROGRAM PRODUCT - A biological condition evaluation apparatus determines a symptom of a heart abnormality based on at least one index calculated from a heartbeat interval and/or a pulse interval. The apparatus determines whether it is in a referential period where an amount of change in the index is comparatively small. The apparatus determines whether a plurality of conditions are satisfied or not in an evaluation period set after the referential period. One condition is that an amount of change in the index in the evaluation period is greater than that observed during the referential period. Another condition is that a rate of change in the index is equal to or greater than a predetermined threshold value. The apparatus determines that there is a symptom of a heart abnormality, when both the conditions are satisfied. | 07-22-2010 |
20100198082 | Systems and Methods for Use with an Implantable Medical Device for Detecting Stroke Based on Electrocardiac Signals - Techniques are provided for detecting stroke within a patient using an implantable medical device in conjunction with an external confirmation system. In one example, a preliminary detection of stroke is performed by a subcutaneous monitor based on an analysis of features of an electrocardiogram (ECG) sensed within the patient. Exemplary ECG features indicative of possible stroke include the onset of prominent U-waves, the onset of notched T-waves, and changes in ST segment duration or QT duration or dynamic trends in these parameters. The monitor transmits a signal indicative of possible stroke to a bedside monitor or other external system, which generates a stroke questionnaire for use in confirming the stroke. Family members or other caregivers input answers to the questionnaire into the external system, which confirms or disconfirms the stroke. Emergency personnel can be automatically notified. Implantable systems that detect stroke based on intracardiac electrogram (IEGM) signals are also described herein. | 08-05-2010 |
20100204585 | System for Heart Performance Characterization and Abnormality Detection - A system for heart performance characterization receives an electrical signal indicating heart electrical activity of a patient over a heart beat cycle. The electrical signal is acquired at a particular anatomical location. A gating signal generator generates a gating signal for use in identifying a particular portion of the heart beat cycle. An acquisition device, responsive to the gating signal, derives first and second voltage potentials from the received electrical signal. The first voltage potential comprises a voltage potential derived over a time period comprising a heart beat cycle and the second voltage potential comprises a voltage potential derived over a time period comprising a particular portion of the heart beat cycle. A computation processor derives a dynamic impedance representative value by adjusting a baseline impedance value by a ratio of the first and second voltage potentials. The dynamic impedance represents an average impedance at the particular anatomical location over a time period comprising the particular portion of the heart beat cycle. | 08-12-2010 |
20100268092 | ARTERIOSCLEROSIS DEGREE JUDGMENT DEVICE CAPABLE OF JUDGING ARTERIOSCLEROSIS DEGREE PRECISELY - A cuff of a pulse wave meter equipped with an arteriosclerosis degree judgment device has air bags for compressing a living body having a double structure along an artery including an avascularization air bag and a pulse-wave measuring air bag. Provided at outer circumferential sides of these air bags are a curler for integrally pressing these air bags against an upper arm, and an air bag for pressing the curler from the outer circumferential side. A member for suppressing vibrations is provided between a curler-compressing air bag and the pulse-wave measuring air bag, and suppresses propagation of vibrations from the curler-compressing air bag to the pulse-wave measuring air bag. The pulse wave meter measures a pulse wave based on changes in internal pressure in the pulse-wave measuring air bag while the avascularization air bag provides avascularization at the peripheral side. | 10-21-2010 |
20100286532 | WEARABLE APPARATUS FOR MEASURING HEART-RELATED PARAMETERS AND DERIVING HUMAN STATUS PARAMETERS FROM SENSED PHYSIOLOGICAL AND CONTEXTUAL PARAMETERS - A monitor device and associated methodology are disclosed which provide a self contained, relatively small and continuously wearable package for the monitoring of heart related parameters, including ECG. The detection of heart related parameters is predicated on the location of inequipotential signals located within regions of the human body conventionally defined as equivalent for the purpose of detection of heart related electrical activity, such as on single limbs. Amplification, filtering and processing methods and apparatus are described in conjunction with analytical tools for beat detection and display. | 11-11-2010 |
20100292583 | METHOD AND SYSTEM FOR SYNCHRONIZING BLOOD COMPONENT OR TRACE ANALYTE MEASUREMENT WITH HEART PULSE RATE - A system and method for measuring at least one blood component or trace analyte in the blood of a subject, the system including: a heart pulse rate measuring device for measuring a heart pulse rate of the subject, and a blood component or trace analyte measuring device for measuring the at least one blood component or trace analyte, wherein the blood component or trace analyte measuring device is synchronized with the heart pulse rate of the subject to perform a blood component or trace analyte measurement at a point along a measurement interval determined by the heart pulse rate. | 11-18-2010 |
20100305456 | METHOD AND APPARATUS FOR MONITORING BRAIN ACTIVITY - Method for monitoring brain activity. Left and right cardiac pulse signals are detected at bilateral locations on a body for a selected number of cardiac cycles. Computing apparatus computes the standard deviation of the left and right pulse signals for the selected number of cardiac cycles. The standard deviations are normalized on the computing apparatus by dividing the left and right standard deviations by the mean of the left and right pulse signals computed over the selected number of cardiac cycles to produce a left and a right Coefficient of Variation of the pulse signals. A Bilateral Pulse Index is generated from the left and right Coefficients of Variation. The Bilateral Pulse Index relates to brain activity. Cardiac pulse signals from a single location on the body may be utilized in some embodiments. | 12-02-2010 |
20110066036 | MOBILE SYSTEM AND METHOD FOR ADDRESSING SYMPTOMS RELATED TO MENTAL HEALTH CONDITIONS - A system and method for addressing mental health conditions includes a mobile processing device capable of executing a software application stored in memory. The software application is configured to employ peripheral devices associated with the mobile processing device to provide a user with a self-treating option for addressing mental conditions. When activated, the application provides one more of an interactive diagnosis routine configured to assist in discovering a mental state or condition of the user, and an interactive instructional routine configured to remedy a current mental state. | 03-17-2011 |
20110087114 | Orientation determination for an implantable medical device - An implantable medical device (IMD) is provided which is capable of sensing and determining its orientation, and of determining whether the IMD has been displaced over time away from its original or optimal position. Electronic components of the IMD, including a processor, digital memory, signal conditioning components, and a power supply, are preferably hermetically sealed within a biocompatible housing. At least three subcutaneous electrodes have fixed relative spacing for sensing electrical cardiac activity for various combinations of two electrodes, forming sensing vectors. Amplitude ratios and sign indicators associated with the sensing vectors are compared with a reference to determine an orientation of the device. In one embodiment, a telemetry unit transmits orientation data as a function of time to a remote device, and the remote device compares different stored orientations to detect displacement over time. | 04-14-2011 |
20110092825 | METHOD FOR REMOTE MEDICAL CONSULTATION AND CARE - A method for remote medical consulting includes collecting diagnostic data using at least one wearable device contoured to at least a portion of a person's hand, transmitting the diagnostic data to a remote location, transmitting audio data and video images of the patient to the remote location, and communicating diagnosis and/or treatment information to the patient based at least in part on the diagnostic data. The treatment information may include a prescription electronically transmitted to the patient or a pharmacy. The method includes billing of the patient via credit or debit card, bank account, or a third party, such as an insurance company. The diagnostic data as well as the audio and video data may be transmitted wirelessly via cellular or satellite communication networks and/or using a wide area computer network such as the internet. | 04-21-2011 |
20110105912 | CEREBRAL AUTOREGULATION INDICES - Monitoring cerebral autoregulation may include determining one or more autoregulation indices incorporating cerebral blood flow and blood pressure measurements and/or indices. Measurement techniques may be invasive or non-invasive. Various combinations of data, e.g., oximeter data, electrocardiogram data, blood pressure data, hemoglobin data, and heart rate data, may be used to create various indices. Many of the indices may be based on correlations of data. A display may indicate several of the indices. | 05-05-2011 |
20110105913 | Method for Monitoring or Treating Nervous System Disorders - A medical device system that includes a brain monitoring element, cardiac monitoring element and a processor. The processor is configured to receive a brain signal from the brain monitoring element and a cardiac signal from the cardiac monitoring element. The processor is further configured to compare the brain signal to the cardiac signal. A method of comparing a brain signal to a cardiac signal is also provided. | 05-05-2011 |
20110105914 | PROCESS AND DEVICE FOR MONITORING A PATIENT DURING ANESTHESIA AND FOR DETERMINING THE COMBINED EFFECT OF A PLURALITY OF ANESTHETICS - A process is provided for monitoring a patient being anesthetized, as well as a process for determining a combined effect of different anesthetics used. Devices for carrying out the processes are also provided. | 05-05-2011 |
20110130665 | METHOD AND SYSTEM FOR EXPEDITING THE RESCUE OF VICTIMS EXPERIENCING SUDDEN CARDIAC ARREST (SCA) WHEN USED IN CONJUNCTION WITH AN AUTOMATED EXTERNAL DEFIBRILLATOR (AED) - A method and system for expediting the rescue of victims experiencing sudden cardiac arrest (SCA) when used in conjunction with an automated external defibrillator (AED). The system involves an apparatus that calls for help (i.e. 911), detects SCA and cardiac arrhythmias, locates an AED, guides the rescuer through CPR and connection of the AED. A second apparatus is in the enclosure that contains the AED, sends location information to the other apparatus, triggers audible and visual indicators, and provides information on the victim's location. | 06-02-2011 |
20110201943 | KINETICS OF PHYSIOLOGICAL RESPONSE TO ACTIVITY DURING ACTIVITIES OF DAILY LIVING - A physiological response to activity (PRA) during a subject's activities of daily living (ADL) can be used, such as to generate useful diagnostic information about the subject. This can involve using a template, such as an impulse response template. The technique can be used with an implantable or other ambulatory medical monitoring or therapy device, such as a cardiac function management device, or with a local or remote external interface device. | 08-18-2011 |
20110201944 | NEUROLOGICAL MONITORING AND ALERTS - A system for providing alerts of neurological events occurring in a human subject is provided. The system includes: a monitoring module adapted to detect and sample a neurological signal; an event detection module coupled to the monitoring module for detecting one or more types of predetermined reportable events based on the detected neurological signal; and an alert module coupled to the event detection module, wherein upon the detection of a reportable event by the event detection module, said alert module selects a first alert contact from a plurality of contacts contained in a contact list, and generates a first alert communication to the first alert contact. | 08-18-2011 |
20110224555 | Systems and Methods for Use By an Implantable Medical Device for Detecting and Discriminating Stroke and Cardiac Ischemia Using Electrocardiac Signals and Hemodynamic Parameters - Techniques are provided for detecting and distinguishing stroke and cardiac ischemia within a patient using an implantable medical device. In one example, a preliminary indication of stroke is detected by a pacemaker or similar implantable device based on an analysis of features of an intracardiac electrogram (IEGM) sensed by the device. Exemplary IEGM features indicative of possible stroke include the onset of prominent U-waves, the onset of notched T-waves, and changes in ST segment duration or QT duration. Upon detection of a possible stroke, the device then detects one or more hemodynamic parameters that are typically affected by cardiac ischemia. Such hemodynamic parameters can include, e.g., cardiac contractility or stroke volume. The device then distinguishes stroke and cardiac ischemia from one another based on whether any changes detected in the hemodynamic parameters are consistent with cardiac ischemia. Implantable systems that exploit subcutaneous electrocardiograms (ECGs) rather than IEGMs are also described. | 09-15-2011 |
20110245688 | SYSTEM AND METHOD OF PERFORMING ELECTROCARDIOGRAPHY WITH MOTION DETECTION - A system in accordance with present embodiments includes an electrocardiograph, a plurality of sensors communicatively coupled with the electrocardiograph, wherein each of the plurality of sensors comprises an electrode capable of detecting electrical impulses generated by a patient's body and transmitting signals indicative of detected electrical impulses to the electrocardiograph. In one embodiment, the system also includes a motion detection feature communicatively coupled with the electrocardiograph, wherein the motion detection feature is capable of detecting movement of the patient's body and providing signals indicative of detected movement to the electrocardiograph, and wherein the electrocardiograph is capable of detecting a particular type of patient motion and/or patient position based on the signals indicative of the detected motion, capable of providing output based on the signals indicative of the detected electrical impulses, and capable of providing output based on the signals indicative of the detected movement. | 10-06-2011 |
20110245689 | APPARATUS FOR DECIDING RISK OF ABNORMALITY OF SUBJECT'S THERMOREGULATION - According to one embodiment, an apparatus for deciding a risk includes a measurement unit and an analysis unit. The measurement unit is configured to measure a physiological index of a subject' s peripheral blood flow. The analysis unit is configured to calculate a ripple appeared in the physiological index and to decide a risk of abnormality of the subject' s thermoregulation by the ripple. | 10-06-2011 |
20110251495 | Diagnostic Sensors and/or Treatments for Gastrointestinal Stimulation or Monitoring Devices - Methods, systems and devices for monitoring the health and energy expenditure of a living body, treating patients with an eating disorder or treating obese patients are described. The methods, systems and devices described may also be applicable to any treatment in which presenting feedback regarding patients' eating and exercise habits is desired. The present invention provides for treating a patient by collecting ingestion and exercise information about the patient from implanted sensors and communicating the collected information to the patient and/or to their health care provider(s). In some embodiments, stimulation of the patient's stomach is also provided to reduce caloric intake. | 10-13-2011 |
20110251496 | VOLUME DEPLETION DETECTION - Detection of volume depletion, particularly after an incidence of volume overload is disclosed. Various methods, systems, and devices are disclosed that sense and analyze a physiological parameter related to a patient's fluid level in order to warn patients of potentially dangerous volume depletion conditions while minimizing false notifications. | 10-13-2011 |
20110270095 | METHODS AND SYSTEMS FOR DETECTING EPILEPTIC EVENTS USING NNXX, OPTIONALLY WITH NONLINEAR ANALYSIS PARAMETERS - Disclosed herein are methods, systems, and apparatus for detecting an epilepsy event in a patient using a medical device. The medical device is capable of determining an occurring epilepsy event, for example a seizure or an increased risk of a seizure. The determination is performed by determining at least one NNXX value from the beat sequence of the patient's heart. The medical device may then take a responsive action, such as warning, logging the time of the seizure, computing and storing one or more seizure severity indices, and treating the epilepsy event. | 11-03-2011 |
20110270096 | ALGORITHM FOR DETECTING A SEIZURE FROM CARDIAC DATA - Methods, systems, and apparatus for detecting the seizure in a patient using a medical device. The determination is performed by collecting cardiac data; determining valid heart beats suitable for seizure detection from the cardiac data; calculating heart rate data of interest from the valid heart beats; and identifying a seizure event from the heart rate data. The medical device may then take a responsive action, such as warning, logging the time of the seizure, computing and storing one or more seizure severity indices, and/or treating the seizure. | 11-03-2011 |
20110275940 | ATHLETIC PERFORMANCE MONITORING SYSTEM UTILIZING HEART RATE INFORMATION - Athletic activity may be monitored using heart rate in addition to or instead of other types of metrics. Accordingly, multiple different activity types may be compared based on heart rate information. Additionally, the heart rate information may be visualized by displaying the heart rate data over time or relative to pace or distance. Additionally, the system may allow a user to analyze his or her heart rate performance by identifying one or more portions of the athletic activity in which a user exhibited a specified range of heart rates. Athletic activity sessions may further be tagged with various indicators including weather, terrain, difficulty and intensity. According to one or more aspects, data for different types of activity metrics may be polled and/or transmitted to a system at different rates or based on different schedules. Moreover, users may specify whether sensed data may be uploaded, recorded and/or visualized prior to or during an activity session. | 11-10-2011 |
20110275941 | ADVANCED PATIENT MANAGEMENT WITH ENVIRONMENTAL DATA - Systems, devices and methods for using environmental data to manage health care are disclosed. One aspect is an advanced patient management system. In various embodiments, the system includes at least one implantable medical device (IMD) to acquire at least one IMD parameter indicative of patient wellness, means to acquire at least one environmental parameter from at least one external source, and means to correlate the at least one parameter indicative of patient wellness and the at least one environmental parameter to assist with patient health care decisions. Other aspects and embodiments are provided herein. | 11-10-2011 |
20110275942 | DEVICE FOR REPORTING HEART FAILURE STATUS - An embodiment of a device for reporting a heart failure status of a patient comprises: a parameter acquisition module configured to acquire at least one trended heart failure parameter; a predetermined event acquisition module configured to acquire at least one predetermined event corresponding to the at least one trended heart failure parameter, wherein each of the at least one predetermined event represents an event condition where a predetermined event definition is satisfied; an alert acquisition module configured to acquire at least one heart failure status alert associated with the at least one predetermined event, wherein each of the at least one alert represents an alert condition where a predetermined alert definition is satisfied; and an output communication module configured to communicate the at least one heart failure status alert. | 11-10-2011 |
20110282216 | MONITORING A CONDITION OF A SUBJECT - Apparatus and methods are described including a mechanical sensor configured to detect a physiological signal of a subject. A control unit receives the signal over a time duration of at least two hours at a given period of a first baseline day, and determines a baseline physiological parameter of the subject in response thereto. The control unit receives the signal over a time duration of at least two hours at a given period of a second day, the period on the second day overlapping with the period over which the signal is detected on the first baseline day. The control unit determines a physiological parameter of the subject based upon the detected signal on the second day, and compares the parameter to the subject's baseline physiological parameter. The control unit generates an alert in response to the comparison. Other applications are also described. | 11-17-2011 |
20110301471 | THORACIC OR INTRACARDIAC IMPEDANCE DETECTION WITH AUTOMATIC VECTOR SELECTION - Vector selection is automatically achieved via a thoracic or intracardiac impedance signal collected in a cardiac function management device or other implantable medical device that includes a test mode and a diagnostic mode. During a test mode, the device cycles through various electrode configurations for collecting thoracic impedance data. At least one figure of merit is calculated from the impedance data for each such electrode configuration. In one example, only non-arrhythmic beats are used for computing the figure of merit. A particular electrode configuration is automatically selected using the figure of merit. During a diagnostic mode, the device collects impedance data using the selected electrode configuration. In one example, the figure of merit includes a ratio of a cardiac stroke amplitude and a respiration amplitude. Other examples of the figure of merit are also described. | 12-08-2011 |
20120041317 | METHOD AND APPARATUS FOR DETECTING ATRIAL FILLING PRESSURE - A cardiac rhythm management system provides for ambulatory monitoring of hemodynamic performance based on quantitative measurements of heart sound related parameters for diagnostic and therapeutic purposes. Monitoring of such heart sound related parameters allows the cardiac rhythm management system to determine a need for delivering a therapy and/or therapy parameter adjustments based on conditions of a heart. This monitoring also allows a physician to observe or assess the hemodynamic performance for diagnosing and making therapeutic decisions. Because the conditions of the heart may fluctuate and may deteriorate significantly between physician visits, the ambulatory monitoring, performed on a continuous or periodic basis, ensures a prompt response by the cardiac rhythm management system that may save a life, prevent hospitalization, or prevent further deterioration of the heart. | 02-16-2012 |
20120046558 | METHOD AND APPARATUS FOR DISTINGUISHING EPILEPTIC SEIZURE AND NEUROCARDIOGENIC SYNCOPE - A system and method for distinguishing an epileptic event from a syncope event that includes sensing a signal, generating sensed intervals in response to the sensed signal, generating an indication signal in response to an occurrence of an event, determining a marginality in response to the generated indication signal and the sensed intervals, and determining the event as being one of the epileptic event and the syncope event in response to the determined marginality. | 02-23-2012 |
20120059267 | BLOOD PRESSURE MEASUREMENT SYSTEM - A blood pressure measurement system that non-invasively determines an individual's blood pressure can include a noninvasive blood pressure sensor having an optical sensor and a motion sensor. The optical sensor can provide a photoplethysmograph signal obtained from a patient to a processor. The motion sensor can provide a motion signal to the processor responsive to motion of the patient. In one embodiment, the processor calculates or estimates the blood pressure of the patient based on the photoplethysmograph signal and the motion signal. Advantageously, the system can obtain this blood pressure measurement without an occlusive cuff, thereby reducing patient discomfort. In other implementations, the processor calculates a blood pressure-related parameter from the photoplethysmograph and motion signal. The processor can occasionally trigger an occlusive cuff measurement as this parameter changes, thereby reducing the frequency of occlusive cuff measurements. | 03-08-2012 |
20120083700 | DETECTING, QUANTIFYING, AND/OR CLASSIFYING SEIZURES USING MULTIMODAL DATA - Methods, systems, and apparatus for detecting an epileptic event, for example, a seizure in a patient using a medical device. The determination is performed by providing an autonomic signal indicative of the patient's autonomic activity; providing a neurologic signal indicative of the patient's neurological activity; and detecting an epileptic event based upon the autonomic signal and the neurologic signal. | 04-05-2012 |
20120083701 | DETECTING, QUANTIFYING, AND/OR CLASSIFYING SEIZURES USING MULTIMODAL DATA - A method, comprising receiving at least one of a signal relating to a first cardiac activity and a signal relating to a first body movement from a patient; triggering at least one of a test of the patient's responsiveness, awareness, a second cardiac activity, a second body movement, a spectral analysis test of the second cardiac activity, and a spectral analysis test of the second body movement, based on at least one of the signal relating to the first cardiac activity and the signal relating to the first body movement; determining an occurrence of an epileptic event based at least in part on said one or more triggered tests; and performing a further action in response to said determination of said occurrence of said epileptic event. Further methods allow classification of epileptic events. Apparatus and systems capable of implementing the method. | 04-05-2012 |
20120083702 | Method for Locating a Catheter Tip Using Audio Detection - A method for locating a catheter tip within a human body is disclosed. An audio sensor is positioned at a site on the human body. An audio signal is detected by the audio sensor, and transmitted to an audio signal processing unit. The audio signal processing unit determines if the audio signal corresponds to a target location of the catheter tip, and transmits a notification signal to a user notification unit. An infusion of fluid or an audio emitting element can be used to generate the audio signal at the catheter tip. | 04-05-2012 |
20120095351 | BLOOD TREATMENT DEVICE - In a device for treating blood in an extracorporeal circuit, at least one blood pump and at least one filtering device are provided for carrying out the blood treatment. The device includes at least one pressure-measuring element for detecting the blood pressure, which is characterized in that the pressure-measuring element has a sensor unit and an RFID transponder unit. | 04-19-2012 |
20120101392 | OPTIMIZATION OF ARRHYTHMIA DETECTION BASED ON PATIENT ACTIVITY - An implantable medical device is configured to perform a method for detecting cardiac events by sensing a patient activity signal and determining a patient activity trend in response to the activity signal. A cardiac event detection threshold is set in response to the patient activity trend. The device senses a cardiac signal and detects a cardiac event in response to the cardiac signal and the detection threshold. | 04-26-2012 |
20120136260 | Assessing Autonomic Activity Using Baroreflex Analysis - A method involves implantably detecting changes in posture of a patient's body. Baroreflex responses to the posture changes are determined. An autonomic tone of the patient is determined based on the baroreflex responses. Based on the autonomic tone, various patient susceptibilities to disease may be determined, including susceptibilities to heart disease, arrhythmia, and/or sudden cardiac death. | 05-31-2012 |
20120165684 | Systems and Methods for Heart and Activity Monitoring - Methods and systems for monitoring a heart failure or transplant rejection status of a patient including use of a device or system to collect intramyocardial electrogram (IMEG) signals from the patient at different times automatically when a detected activity level of the patient is below a preset threshold level for a predetermined amount of time, and use of a device or system to generate a status indicator value proportional to a combination of parameters extracted from at least a portion of the collected IMEG signals. Methods and systems can also include measuring time delay values between IMEG signals collected from different locations in the patient. The IMEG signals can be collected from the right ventricular septum and the right ventricular apex of the patient or from the right and left ventricular myocardium of the patient. | 06-28-2012 |
20120172729 | DEVICE FOR MEASUREMENT FOR BIONIC INFORMATION HAVING HAND REST - There is disclosed an apparatus for measuring biometric information having a hand rest, which can perform precise and comprehensive measurement by measuring biometric information about an examinee taking a more comfortable position. The apparatus for measuring the biometric information having the hand rest includes a hand rest formed in a concave curvature shape to have an examinee's hand put thereon, to contact with an examinee's palm and fingers; and a measurement part provided in the hand rest to measure the examinee's biometric information. | 07-05-2012 |
20120203116 | MANAGING PRELOAD RESERVE BY TRACKING THE VENTRICULAR OPERATING POINT WITH HEART SOUNDS - A system and method for managing preload reserve and tracking the inotropic state of a patient's heart. The S1 heart sound is measured as a proxy for direct measurement of stroke volume. The S3 heart sound may be measured as a proxy for direct measurement of preload level. The S1-S3 pair yield a point on a Frank Starling type of curve, and reveal information regarding the patient's ventricular operating point and inotropic state. As an alternative, or in addition to, measurement of the S3 heart sound, the S4 heart sound may be measured or a direct pressure measurement may be made for the sake of determining the patient's preload level. The aforementioned measurements may be made by a cardiac rhythm management device, such as a pacemaker or implantable defibrillator. | 08-09-2012 |
20120209127 | METHOD AND APPARATUS TO DETECT AND MONITOR THE FREQUENCY OF OBSTRUCTIVE SLEEP APNEA - The present invention provides a method and apparatus for detecting and monitoring obstructive sleep apnea. The apparatus measures sinus tachycardia and a change in the atrial-ventricular conduction, and includes a controller for receiving the measurement of the sinus tachycardia and the change in the atrial-ventricular conduction to detect obstructive sleep apnea based upon the sinus tachycardia and the change in the atrial-ventricular conduction. | 08-16-2012 |
20120215115 | PULSE DETECTOR - To detect whether the pulse detector is in an unworn state, the pulse detector is provided for detecting a pulse signal that originates in the pulse of a subject has a pulse wave sensor, a pulse wave sensor sensitivity adjustment section that adjusts the sensitivity of the pulse wave sensor, a body movement sensor, and an unworn-state detector that detects that the pulse detector has been removed from the subject and is in an unworn state, on the basis of the sensitivity of the pulse wave sensor sensitivity adjustment section and a body movement sensor signal outputted from the body movement sensor. | 08-23-2012 |
20120220881 | PULSE DETECTOR - A pulse detector ( | 08-30-2012 |
20120232409 | SYSTEM AND METHOD FOR RENAL ARTERY OCCLUSION DURING RENAL DENERVATION THERAPY - A catheter includes a flexible shaft having a length sufficient to access a patient's renal artery relative to a percutaneous access location. A treatment arrangement is provided at a distal end of the shaft and configured for deployment in the renal artery. The treatment arrangement includes an ablation arrangement configured to deliver renal denervation therapy. An occlusion arrangement is configured for deployment in the renal artery and for altering blood flow through the renal artery during or subsequent to renal denervation therapy delivery. A monitoring unit is configured for monitoring for a change in one or more physiologic parameters influenced by the renal denervation therapy. The monitoring unit is configured to produce data useful in assessing effectiveness of the renal denervation therapy based on the physiologic parameter monitoring. | 09-13-2012 |
20120232410 | BODY-BASED MONITORING OF BRAIN ELECTRICAL ACTIVITY - Apparatus and methods for monitoring electrical activity within the brain of a person (“brainwaves”) employing electrodes or other sensors connected or placed proximate to portions of the body below the head to develop raw signals. The raw signals are filtered to produce analysis signals including frequency components relevant to brain electrical activity while attenuating unrelated frequency components. Purposes include but are not limited to, biofeedback-based attention training, human performance training, gaming, and relaxation training. Either wired or wireless signal connections are made to electronic circuitry, typically including a digital computer, for performing signal processing and analysis functions. | 09-13-2012 |
20120238884 | ECG Artifact Reduction System - An ECG signal processing system which removes the CPR-induced artifact from measured ECG signals obtained during the administration of CPR. | 09-20-2012 |
20120238885 | METHOD AND APPARATUS FOR CONTINUOUSLY MONITORING INTRACRANIAL PRESSURE - A method and apparatus for continuously measuring the absolute intracranial pressure in a non-invasive manner is described by using an ultrasonic Doppler device which detects the pulsatility indexes of the blood flow inside the eye artery for both intracranial and extracranial eye artery portions. The eye in which the blood flow is monitored is subjected to a small pressure, sufficient to equalize the pulsatility index measurements of the internal and external portions of the eye artery. The pressure at which such equalization occurs is used as a reference for autocalibration of the apparatus so that continuous absolute intracranial pressure measurements may be taken over a particular sampling period. | 09-20-2012 |
20120245474 | SUBJECTIVE SIGNIFICANCE EVALUATION TOOL, BRAIN ACTIVITY BASED - A method and system for determining the subjective state of mind of a human subject presented with a test audible or visual stimulus. An an electroencephalogram (EEG) recording unit is connected to the human subject, recording the subject's EEG when presented with one or more test stimuli. The recorded EEG signal is then transformed to a 3-D map in order to visualize the brain areas that were active when presenting the test stimuli. The given 3-D map of the test stimuli is then compared with reference 3-D maps of neutral and subjectively significant stimuli. | 09-27-2012 |
20120253206 | MEASUREMENT APPARATUS, MEASUREMENT METHOD, INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - A measurement apparatus includes a signal generation unit generating a measurement signal for measuring a bioelectrical impedance, a first electrode pair making contact with the left and right sides of a body of a person under measurement to supply the measurement signal generated to the body, a second electrode pair placed adjacent to the first electrode pair and making contact with the left and right sides of the body, a bioelectrical impedance measurement unit measuring the bioelectrical impedance of the person under measurement based on an electrical signal obtained from the second electrode pair in response to supplying of the measurement signal, and an electrocardiogram signal measurement unit measuring an electrocardiogram signal of the person under measurement based on the electrical signal obtained from the second electrode pair. The bioelectrical impedance measurement unit and the electrocardiogram signal measurement unit concurrently operate in parallel. | 10-04-2012 |
20120253207 | HEART FAILURE MONITORING - Techniques for transmitting diagnostic information stored in an implantable medical device (IMD) based on patient hospitalization are described. For example, the IMD may transmit higher resolution diagnostic information to a clinician and/or an external device during a hospitalization period to aid the clinician in evaluating heart failure treatment and when discharge is proper. This higher resolution diagnostic information may include one or more patient metrics automatically generated and transmitted by the IMD at least once every two hours. During a post-hospitalization period, the IMD may transmit lower resolution diagnostic information to a clinician that indicates a risk level of re-hospitalization. The lower resolution diagnostic information may include the risk level and/or patient metrics once a day, for example. In this manner, the IMD transmitted diagnostic information may be tailored to the specific heart failure monitoring needed by the patient. | 10-04-2012 |
20120265079 | SENSOR GUIDE WIRE - The present invention relates to a sensor guide wire ( | 10-18-2012 |
20130006123 | BIOLOGICAL INFORMATION PROCESSING DEVICE - A method for determining an appropriateness of a calculated pulse rate is provided. In a pulse rate monitor, a pulse rate calculation part calculates the pulse rate of the test subject based on the result detected by a pulse wave sensor. Then, a pulse rate difference calculation part calculates a difference (pulse rate difference) between a reference pulse rate and a calculated pulse rate, and a deviation degree is determined based on the pulse rate difference. Also, a SN ratio calculation part calculates a SN ratio of a pulse wave signal detected by the pulse wave sensor, and a reliability of the calculation result in the pulse rate calculation part is determined based on the SN ratio. Then, a pulse rate appropriateness judgment part determines an appropriateness of the calculated pulse rate based on the pulse rate difference (deviation degree) and the SN ratio (reliability). | 01-03-2013 |
20130006124 | SLEEP ANALYSIS BASED ON INTER BEAT INTERVAL - A method of analysis is disclosed. The method comprises receiving a non-ECG signal indicative of heart beats of a sleeping subject; extracting from the signal a series of inter-beat intervals (IBI); calculating at least one Poincare parameter characterizing a Poincare plot of the IBI series; and using the Poincare parameter(s) to determine a REM sleep of the sleeping subject. In some embodiments, sleep stages other than REM sleep and/or wake stages are determined. | 01-03-2013 |
20130035601 | APPARATUS AND METHOD FOR GENERATING DIGITAL HEALTH SCREENING FORM - An apparatus for generating a digital health screening form collects sensor information including biometric information, motion information or location information of an examinee using a plurality of sensors. The apparatus determines results of preset health screening items depending on the biometric information, and then generates physical condition information including the results of the preset health screening items. The apparatus generates information about presence or absence of dyssomnia or information about physical activities, which indicates living habits of the examinee, and then generates lifelog information which includes the information about the presence or absence of dyssomnia or the information about the physical activities. The apparatus detects medical history information of the examinee in a medical history information provision server, and generates a digital health screening form containing the physical condition information, the lifelog information, and the medical history information. | 02-07-2013 |
20130053705 | CARDIAC CYCLE SYNCHRONIZED SAMPLING OF IMPEDANCE SIGNAL - A system comprising implantable device, the implantable medical device including an intrinsic cardiac signal sensor, an impedance measurement circuit configured to apply a specified current to a transthoracic region of a subject and to sample a transthoracic voltage resulting from the specified current, and a processor coupled to the intrinsic cardiac signal sensor and the impedance measurement circuit. The processor is configured to initiate sampling of a transthoracic voltage signal in a specified time relation to a fiducial marker in a sensed intrinsic cardiac signal, wherein the sampling attenuates or removes variation with cardiac stroke volume from the transthoracic voltage signal, and determine lung respiration using the sampled transthoracic voltage signal. | 02-28-2013 |
20130066216 | DEVICE FOR EXAMINING NERVE FUNCTION - The present invention relates to a device for examining nerve function. In order to examine the function of a nerve of the human body, the device for examining nerve function of the present invention includes: at least one stimulator for stimulating the human body; and a stimulator-fixing member having a form corresponding to the hands or feet of the human body, wherein the stimulator is located at one side of the simulator-fixing member so as to fix the stimulator to the hands or feet of the human body. The device for examining nerve function of the present invention further includes at least one blood-circulation detection sensor fixed at the stimulator-fixing member. According to the present invention, since the degree of hypoesthesia is examined through the stimulation of the stimulator, test accuracy and reliability may be greatly improved and it is possible to systematically and actively determine a diagnosis and course of treatment for a patient having diabetes or spinal nerve damage, e.g. hypoesthesia. | 03-14-2013 |
20130085399 | THERAPY CONTROL BASED ON NIGHTTIME CARDIOVASCULAR PRESSURE - Techniques for controlling therapy based on a physiological parameter indicative of ventricular filling pressure, such as various cardiovascular pressures, are described. One or more values of the physiological parameter that are collected during nighttime, or while the patient is otherwise asleep, inactive, or within a recumbent position, may be compared to one or more values of the physiological parameter collected during daytime, or while the patient is otherwise awake, active and/or upright. A therapy, such as for treating physiological factors that may lead to worsening HF, may be initiated or adjusted based on the comparison, e.g., if the nighttime values exceed the daytime values. | 04-04-2013 |
20130096440 | PORTABLE FETAL EEG-RECORDING DEVICE AND METHOD OF USE - A portable device utilizes an ultrasound probe, which is placed on the abdomen of a mother and allows ultrasound video and pictures, as well as Doppler heartbeat detection of the fetus. It is also capable of performing spontaneous brain activity recordings (referred here as fetal-EEG or fetal electroencephalography) and analyzing the fetal EEG measurements. The spontaneous electrical brain waves are detected by a sensor, amplified, digitized, and analyzed in one portable device, using analog and/or digital filters to improve the signal/noise ratio. The portable computer uses quantitative analysis software to compare the data from the fetus to normative data or to prior states of the fetus' own data. The EEG signals are recorded for an extended period of time and can be analyzed in real time or at a later time for rhythmicity patterns indicative of epilepsy or other developmental brain disorders. | 04-18-2013 |
20130116577 | Biomedical Acquisition System With Motion Artifact Reduction - A system for the analysis of ECG signals is disclosed. The system may comprise (i) at least one readout channel, configured to receive an analogue ECG signal acquired from at least one electrode attached to a body, and to extract an analogue measured ECG signal and analogue electrode-skin impedance signals; (ii) at least one ADC, configured to convert those extracted analogue signals at the readout channel into digital signals; (iii) a digital adaptive filter unit, configured to calculate a digital motion artifact estimate based on said digital versions of the measured ECG signal and the electrode-skin impedance signals; (iv) at least one DAC, configured to convert said digital motion artifact estimate into an analogue signal; and (v) a feedback loop for sending said analogue motion artifact estimate signal back to the readout channel configured to deduct said analogue motion artifact estimate signal from said analogue measured ECG signal. | 05-09-2013 |
20130131520 | BIOLOGICAL INFORMATION MEASURING APPARATUS AND BIOLOGICAL INFORMATION MEASURING METHOD - A biological information measuring apparatus includes: a measuring apparatus configured to measure biological information, and a display apparatus configured to switch a first frequency that receives first information indicating the biological information transmitted from the measuring apparatus and a second frequency which is a frequency that transmits second information generated on the basis of the received first information and is a frequency higher than the first frequency. | 05-23-2013 |
20130131521 | CONCENTRATION PRESENCE/ABSENCE DETERMINING DEVICE AND CONTENT EVALUATION APPARATUS - A concentration presence/absence determining device includes: a brain blood flow volume obtaining unit configured to obtain a brain blood flow volume of the user; a varying threshold obtaining unit configured to obtain a varying threshold that is a value smaller than the brain blood flow volume of the user at a base time; and an determining unit configured to determine that the user concentrates, when the brain blood flow volume obtained by the brain blood flow volume obtaining unit falls below the varying threshold obtained by the varying threshold obtaining unit. | 05-23-2013 |
20130137996 | METHOD FOR QUANTIFYING STRESS IN A USER DESCRIPTION - The present invention relates to a method for quantifying stress in a user, wherein said method allows establishing discrimination between stressed users and relaxed users. The invention is characterized by the use of stress patterns based on sigmoid transfer functions to allow quantifying stress in a larger number of situations. | 05-30-2013 |
20130137997 | METHOD AND APPARATUS FOR DETECTING ATRIAL FILLING PRESSURE - A cardiac rhythm management system provides for ambulatory monitoring of hemodynamic performance based on quantitative measurements of heart sound related parameters for diagnostic and therapeutic purposes. Monitoring of such heart sound related parameters allows the cardiac rhythm management system to determine a need for delivering a therapy and/or therapy parameter adjustments based on conditions of a heart. This monitoring also allows a physician to observe or assess the hemodynamic performance for diagnosing and making therapeutic decisions. Because the conditions of the heart may fluctuate and may deteriorate significantly between physician visits, the ambulatory monitoring, performed on a continuous or periodic basis, ensures a prompt response by the cardiac rhythm management system that may save a life, prevent hospitalization, or prevent further deterioration of the heart. | 05-30-2013 |
20130137998 | TECHNIQUES FOR PREDICTION AND MONITORING OF CLINICAL EPISODES - Apparatus and methods are provided for measuring a heartbeat of a fetus in a pregnant subject. A motion-related parameter of the pregnant subject is sensed without contacting or viewing the subject or clothes the subject is wearing. The fetal heartbeat is derived from the motion-related parameter, and an output is generated in response thereto. Other applications are also described. | 05-30-2013 |
20130144174 | CHRONICALLY IMPLANTED ABDOMINAL PRESSURE SENSOR FOR CONTINUOUS AMBULATORY ASSESSMENT OF RENAL FUNCTIONS - An implantable system for ambulatory monitoring of a high-risk heart failure patient includes a first pressure sensor implantable within an abdomen of the patient for sensing and generating an output representative of a baseline intra-abdominal pressure value of the patient and for chronically sensing and generating an output representative of an intra-abdominal pressure value of the patient at periodic intervals. At least one second implantable sensor is provided for sensing and generating an output representative of a second physiological parameter of the patient. Additionally, the system includes a processor for correlating the output of the first pressure sensor and the second physiologic sensor, and for comparing differences between the baseline intra-abdominal pressure value and subsequent intra-abdominal pressure values. The processor can reside in another implantable device or in an external device/system. | 06-06-2013 |
20130158415 | BALLISTOCARDIOGRAM ANALYSIS APPARATUS AND METHOD, AND SYSTEM FOR UTILIZING BALLISTOCARDIOGRAM FOR VEHICLE USING THE SAME - A ballistocardiogram (BCG) analysis apparatus, method, and system is provided for utilizing the BCG for a vehicle. A basic pattern is selected when measurement of a BCG is initiated. Data about BCG is measured for a predetermined period of time. Whether the basic pattern is suitable for the measured data is determined by comparing the measured data with the basic pattern. If the basic pattern is suitable for the measured BCG data, continuous data about the BCG is collected. Signal processing is performed based on pattern matching using the continuous data. A biological condition of the examinee is recognized using results of the signal processing. A posture of the examinee is measured, and if the posture of the examinee has changed, a pattern DB is searched, the basic pattern is changed to a suitable pattern, and then signal processing is performed. | 06-20-2013 |
20130197374 | Heart Age Assessment - An automated method of determining a measure of a subject's heart age comprising the steps of: prompting a user for a plurality of inputs, each relating to an attribute of the subject, each attribute defining one or more of a demographic status of the subject, a lifestyle status of the subject, a physical condition of the subject and a medical history of the subject; receiving, from the user, a plurality of said inputs; determining from said received inputs, a set of parameters for which input data has been received as input from the user; selecting a heart age calculation algorithm from a predetermined set of heart age calculation algorithms according to said set of parameters; and calculating a heart age for the subject according to the selected algorithm; and providing as output said calculated heart age. | 08-01-2013 |
20130204144 | DYNAMIC CRANIAL NERVE STIMULATION BASED ON BRAIN STATE DETERMINATION FROM CARDIAC DATA - A method of treating a medical condition in a patient using an implantable medical device, comprising providing an electrical signal generator; providing at least a first electrode operatively coupled to the electrical signal generator and to a vagus nerve of the patient; sensing cardiac data of the patient; determining at least a first cardiac parameter based upon said cardiac data; setting at least a first value; declaring an unstable brain state of a patient from said at least a first cardiac parameter and said at least a first value; and adjusting the at least a first value. Also, a computer readable program storage device encoded with instructions that, when executed by a computer, performs the method. In addition, the implantable medical device used in the method. | 08-08-2013 |
20130211265 | MULTIFUNCTIONAL MEDICAL DEVICE FOR TELEMEDICINE APPLICATIONS - A multifunction medical device includes a housing configured for hand-held manipulation, a processing unit within the housing, and a connector on the outer surface of the housing. The connector is coupled to the processing unit and operable to connect to a plurality of different types of medical sensors. The processing unit is configured to determine a type of a medical sensor coupled to the connector. | 08-15-2013 |
20130218030 | METHOD FOR DETERMINING A FEATURE OF THE CIRCADIAN RHYTHM OF A SUBJECT - The invention relates to method for determining a feature of the circadian rhythm of the subject, comprising measuring a first input signal indicating a cardiac function of the subject, measuring at least one second input signal indicating the activity of the subject, combining the first input signal and the second input signal to a periodic output signal representing the circadian rhythm of the subject, and determining at least one feature of this periodic output signal. | 08-22-2013 |
20130226010 | BLOOD PRESSURE MEASUREMENT APPARATUS AND BLOOD PRESSURE MEASUREMENT METHOD - A blood pressure measurement apparatus includes a blood pressure measurement unit, a bio-information acquisition unit, a depth calculation unit, a storage unit and a decision unit. The bio-information acquisition unit continuously acquires bio-information of a subject. The depth calculation unit repeatedly calculates depth indices each indicating a sleep stage of the subject on the basis of the acquired bio-information. The storage unit stores the calculated depth indices. The decision unit decides whether the sleep stage of the subject in sleep satisfies a starting condition, on the basis of a first depth index stored in the storage unit and a second depth index calculated by the depth calculation unit. The blood pressure measurement unit measures blood pressure data of the subject when the sleep stage is decided to satisfy the starting condition. | 08-29-2013 |
20130231575 | MONITORING ACCUMULATED ACTIVITY - A solution for monitoring accumulated physical activity is disclosed. A method according to the solution comprises: acquiring target accumulation parameters defining a target total amount of physical activity for a user to accumulate within an observation interval, wherein the amount of physical activity is defined in terms of an attribute measurable during the physical activity; distributing the target accumulation parameters into a plurality of subsets in a time domain such that each subset is associated with a time sub-interval and a target accumulation value, wherein the sum of the sub-intervals equals to the observation interval; and monitoring the physical activity of the user during a sub-interval by comparing a measured accumulation of the physical activity with the target accumulation derived from at least the target accumulation value of the sub-interval and by outputting a progress indicator indicating the measured accumulation of the physical activity with respect to the target accumulation. | 09-05-2013 |
20130237861 | METHOD, SYSTEM AND APPARATUS FOR CONTINUOUS CARDIAC MONITORING OF AN INDIVIDUAL - A method, a system and an apparatus for remotely monitoring a cardiac condition in an individual in which there is provided a non-invasive, mobile and portable solution including hardware, software, and a back-office application allowing an autonomous and smart remote monitoring. Two-way communication is provided between the cardiac monitoring apparatus and a monitoring center, which allows sending of data of the patient being monitored to the monitoring center, as well as allowing the monitoring center or a clinician to request a new exam on demand. | 09-12-2013 |
20130237862 | HEART SOUND MONITORING OF PULMONARY HYPERTENSION - A medical device system and method that includes receiving an A | 09-12-2013 |
20130245463 | SYSTEM AND METHOD FOR DISPLAYING PHYSIOLOGICAL INFORMATION - A method of displaying physiological information in a patient monitoring system is provided. The method includes receiving a user input as a digital annotation, maintaining the digital annotation as at least a part of patient monitoring data and displaying the digital annotation concurrently with information displayed by the patient monitoring system. | 09-19-2013 |
20130245464 | DYNAMIC CRANIAL NERVE STIMULATION BASED ON BRAIN STATE DETERMINATION FROM CARDIAC DATA - A method of treating a medical condition in a patient using an implantable medical device, comprising providing an electrical signal generator; providing at least a first electrode operatively coupled to the electrical signal generator and to a vagus nerve of the patient; sensing cardiac data of the patient; determining at least a first cardiac parameter based upon said cardiac data; setting at least a first value; declaring an unstable brain state of a patient from said at least a first cardiac parameter and said at least a first value; and adjusting the at least a first value. Also, a computer readable program storage device encoded with instructions that, when executed by a computer, performs the method. In addition, the implantable medical device used in the method. | 09-19-2013 |
20130245465 | SLEEP DEPTH DETERMINING APPARATUS AND METHOD - There is provided an apparatus for determining depth of sleep. The apparatus includes a heart rate sensor configured to detect a heart rate of a subject in a non-contact manner, and a processor. The processor performs determining depth of sleep of the subject from the heart rate detected by the heart rate sensor, estimating a sleep cycle of the subject on the basis of a plurality of times at each of which a change in the depth of sleep occurs, and stopping the heart rate sensor, after completion of acquiring the plurality of times, at least until an anticipated time of a change in the depth of sleep. | 09-19-2013 |
20130245466 | WITHIN-PATIENT ALGORITHM TO PREDICT HEART FAILURE DECOMPENSATION - This document discusses, among other things, systems and methods for predicting heart failure decompensation using within-patient diagnostics. A method comprises detecting an alert status of each of one or more sensors; calculating an alert score by combining the detected alerts; and calculating a composite alert score, the composite alert score being indicative of a physiological condition and comprising a combination of two or more alert scores. | 09-19-2013 |
20130253339 | Network-Based Medical Patient Servicing System - A network-based medical patient servicing system includes a network-connected server having at least one processor and at least one connected data repository, software executing on the at least one processor from a non-transitory medium, the software providing a first function for importing into at least one electronic interface an interactive list of preset and confirmed on-location appointments made by patients or persons acting in behalf of those patients, a second function for dispatching one or more medically equipped non-physician assistants having at least one network-capable appliance to the preset and confirmed appointment locations, a third function for establishing network connectivity between the at least one network appliance and the electronic interface and, a fourth function for recording subsequent session data relative to interaction between a physician and at least the one or more non-physician assistants operating at the appointment locations. | 09-26-2013 |
20130253340 | CARDIAC CYCLE SYNCHRONIZED SAMPLING OF IMPEDANCE SIGNAL - A system comprising implantable device, the implantable medical device including an intrinsic cardiac signal sensor, an impedance measurement circuit configured to apply a specified current to a transthoracic region of a subject and to sample a transthoracic voltage resulting from the specified current, and a processor coupled to the intrinsic cardiac signal sensor and the impedance measurement circuit. The processor is configured to initiate sampling of a transthoracic voltage signal in a specified time relation to a fiducial marker in a sensed intrinsic cardiac signal, wherein the sampling attenuates or removes variation with cardiac stroke volume from the transthoracic voltage signal, and determine lung respiration using the sampled transthoracic voltage signal. | 09-26-2013 |
20130274614 | MAPPING AND ABLATION OF NERVES WITHIN ARTERIES AND TISSUES - Method and systems for ablating nerves including measurement of physiological parameters and/or electrical conduction. The method may include ablating nerves within an artery of a patient such as the renal artery and may include advancing a catheter into the artery, measuring a physiological parameter, emitting an electrical pulse into a wall of the artery, measuring the physiological parameter during or after the step of emitting the electrical pulse, ablating the artery wall, then repeating the steps of measuring the physiological parameter, emitting an electrical pulse, and measuring the physiological parameter during or after the step of emitting the electrical pulse. The change in the physiological parameter caused by the electrical pulse before ablation may be compared to the change in the physiological parameter caused by the electrical pulse after ablation to determine the degree of nerve ablation achieved and whether or not to perform further ablation. | 10-17-2013 |
20130274615 | Measurement of Cerebral Physiologic Parameters Using Bioimpedance - Devices and methods for monitoring intracranial physiological parameters, including intracranial pressure, cerebral perfusion pressure, cerebral blood flow, cerebral blood volume, edema status, and brain compliance are disclosed. In one aspect, an apparatus may involve receiving at least one impedance plethysmography signal. Waveforms may be extracted from the impedance plethysmography signals and used for estimating the intracranial physiological parameters. Various characteristics may be determined from the waveforms to aid in the estimation of intracranial physiological parameters. | 10-17-2013 |
20130289417 | APPARATUS AND METHOD FOR ENDOVASCULAR DEVICE GUIDING AND POSITIONING USING PHYSIOLOGICAL PARAMETERS - Systems and methods for determining the position of an endovascular device within the body are provided. The system can include a catheter having a tip portion that can generate sound waves which can be detected by auscultation devices which allows the position of the catheter tip to be triangulated. The acoustic triangulation system can be used in conjunction with ECG and/or ultrasound information to further refine the location of the catheter tip. | 10-31-2013 |
20130324861 | HEALTH CONDITION DETERMINATION METHOD AND HEALTH CONDITION DETERMINATION SYSTEM - A health condition determination method including: acquiring a boundary range including one or more boundary values and a width in examination data, the examination data corresponding to an examination item in which a normal range and an abnormal range are set; identifying a plurality of determination candidate models each including a pattern for setting the normal range and the abnormal range for the examination item; calculating an accuracy corresponding to each of the plurality of determination candidate models based on model construction data corresponding to a disease related to the examination item; and determining, from the plurality of determination candidate models, a determination model that outputs whether determination data with respect to the examination item is normal or not based on the calculated accuracy. | 12-05-2013 |
20130324862 | SYSTEM AND METHOD FOR CORRELATION OF PATIENT HEALTH INFORMATION AND IMPLANT DEVICE DATA - A system and method for correlating health related data for display. The system includes a medical device recording data and a display producing device which correlates the data and simultaneously displays different types of data or displays two sets of the same type of data along with the circumstances at which the two sets of data were recorded. Such displays aid a physician in prescribing and ascertaining the efficacy of cardiac therapies. | 12-05-2013 |
20130331711 | ELECTRO-MEDICAL SYSTEM FOR NEURO-MUSCULAR PARALYSIS ASSESSMENT - A computer-implemented method for quantitatively determining a person's neuro-muscular blockade (NMB) level in real-time using at least one sensor attached to the person is provided. The method includes receiving a first input signal from the sensor, wherein the first input signal includes a measurement of a first muscular response, the first muscular response resulting from a baseline stimulus current delivered to the person before administration of NMB agents to the person, and establishing a baseline chronaxie based on the first input signal. The method also includes delivering one or more stimulus currents to the person after the administration of NMB agents to the person, receiving a second input signal from the sensor, wherein the second input signal includes a measurement of one or more muscular responses resulting from the one or more stimulus currents, and determining the person's NMB level based on the second input signal. | 12-12-2013 |
20130331712 | METHOD FOR CALCULATING OR APPROXIMATING A VALUE REPRESENTING THE RELATIVE BLOOD VOLUME AND DEVICES - The present invention relates to a method for calculating or approximating a value representing the relative blood volume (RBV) at a certain point of time, or a value representing the refilling volume of a patient that may be observed or found during or due to a blood treatment of the patient, the method involving considering one or more calculated or measured value(s) reflecting an overhydration level of the patient or an approximation thereof. It relates further to an apparatus and a device for carrying out the present invention, a blood treatment device, digital storage means, a computer program product, and a computer program. | 12-12-2013 |
20140012143 | ACTIVITY MONITOR - A monitor of a physiological parameter of subject under test to which the monitor is attached, in operation. The monitor includes a set of accelerometers operating in different ranges of acceleration and a physiological sensor. The physiological sensor may include an ECG circuit producing an output data characterizing the subject as a function of a degree of motion and/or reorientation of the monitor or an oximeter device. The process of monitoring includes a determination of R-wave of the subject. | 01-09-2014 |
20140012144 | PERFUSION DETECTION SYSTEM - According to some embodiments, a system for detecting a perfusion index of a cardiac pulse includes a first sensor that senses a first physiological or environmental parameter of a human patient core, a second sensor that senses a second physiological or environmental parameter of the human patient core, a processor that, responsive to the first and second sensed parameters, determines a perfusion index ranging from 0 to 10 that reflects inadequate, marginal, or adequate blood perfusion to the core of the human patient torso, and an indicator that provides a discernible indication of the perfusion index. A method of detecting as perfusion index of a cardiac pulse responsive to sensing first and second physiological or environmental parameters of a human patient core is also disclosed. | 01-09-2014 |
20140012145 | GARMENT ACCESSORY WITH ELECTROCARDIOGRAM SENSORS - The brassiere may include at least one accommodation disposed on a portion of the brassiere with the at least one accommodation configured to carry at least a pair of sensors. The pair of sensors may be detachably carried by the at least one accommodation. The accommodation may be a pocket, slit, or pouch. The accommodation may be a pair of pockets that support a garment accessory. The garment accessory may include a member having first and second ends that fit within the pair of pockets. The pair of sensors may be carried by the member, which holds the sensors against the skin of a subject wearing the brassiere. The garment accessory may further include a wireless transmitter carried by the member. | 01-09-2014 |
20140018686 | DATA COLLECTION UNIT POWER AND NOISE MANAGEMENT - A physical activity data collection system includes one or more accelerometer units in communication with a data collection unit, where the data collection unit, includes one or more infrared sensors configured to provide an output indicative of a pulse rate of a user of the physical activity data collection unit. The data collection unit may also include at least one temperature sensor configured to provide an output indicative of at least a body temperature of the user; and at least one accelerometer configured to provide an output indicative of movements of the user. The system may also include a microcontroller configured to evaluate the outputs of the two or more infrared sensors at a plurality of power levels; select at least one of the two or more infrared sensors for data collection; and reduce an amount of power applied to infrared sensors other than the at least one of the two or more infrared sensors selected for data collection. | 01-16-2014 |
20140046199 | METHOD FOR MEASURING HUMAN VITAL SIGNS AND PORTABLE TERMINAL ADOPTING THE SAME - A method for measuring human vital signs and a portable terminal adopting the same provides accurate measurements without increasing the thickness of power usage of the portable terminal. The portable terminal includes: a surface acoustic wave (SAW) sensor module disposed on a predetermined position of a portable terminal main body to detect characteristic parameter of human body; a signal transceiving module used to perform communication with the SAW sensor module, to receive an echo signal of the SAW sensor module; and a data processing module used to process the echo signal from the SAW sensor module to obtain the human vital signs. The SAW sensor module includes a sensing unit that does not require receiving power from a power supply for operation when implemented as a passive element. | 02-13-2014 |
20140081155 | Methods And Apparatus for Wireless Electrode Having Power Conservation - Methods and apparatus provide a wireless electrode having energy conservation. In one embodiment, a wireless electrode includes a radio module coupled to the sensor to wirelessly transmit the cardiac information, an energy source to power the radio module, and an activation mechanism coupled to the energy source, the activation mechanism having an activated state in which power from the energy source is delivered to the radio module and a non-activated state in which power from the energy source is not delivered to the radio module. | 03-20-2014 |
20140081156 | EXERCISE INFORMATION DETECTING APPARATUS, EXERCISE INFORMATION DETECTING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM HAVING EXERCISE INFORMATION DETECTION PROGRAM STORED THEREON - An exercise information detecting apparatus of the present invention includes a heartbeat sensor which detects heartbeat data of a human body including a waveform signal, an exercise status detecting section which detects exercise data regarding an exercise status of the human body, an exercise status judging section which judges a change of the exercise status of the human body based on the exercise data detected by the exercise status detecting section, and a heart rate calculating section which removes, as a noise component, an invalid peak from among a plurality of peaks included in the waveform signal of the heartbeat data based on the change of the exercise status of the human body judged by the exercise status judging section. | 03-20-2014 |
20140088442 | METHOD AND DEVICE TO MONITOR PATIENTS WITH KIDNEY DISEASE - A medical monitoring device for monitoring electrical signals from the body of a subject is described. The medical monitoring device monitors electrical signals originating from a cardiac cycle of the subject and associates each cardiac cycle with a time index. The medical monitoring device applies a forward computational procedure to generate a risk score indicative of hyperkalemia, hypokalemia or arrhythmia of the subject. The medical monitoring device can adjust the forward computational procedure based upon clinical data obtained from the subject. | 03-27-2014 |
20140088443 | FEVER DETECTION APPARATUS - The invention relates to a fever detection apparatus for detecting fever of a living being. A heart rate providing unit ( | 03-27-2014 |
20140094703 | METHODS AND SYSTEMS FOR SYNTHESIZING ELECTROCARDIOGRAPHIC SIGNALS USING POSTURE DATA - The present specification discloses methods and systems for synthesizing electrocardiographic (ECG) signals. In one method, a first group of electrodes are attached to predetermined locations on the human body. A posture sensor is attached to the human body and generates data indicative of the human body's posture. The system receives signals from the first group of electrodes connected to the predetermined locations on a human body and acquires a first set of ECG signals. The system then derives at least one further ECG signal by applying transformation(s) on the first set of ECG signals, or a subset thereof, to form a desired set of signals, where the applied transformations are selected based on the human body's posture. | 04-03-2014 |
20140107499 | Medical Information Management System - A medical device communication system is described. The system includes a plurality of medical devices, a message listener programmed to wirelessly receive a plurality of messages from the plurality of medical devices, a storage device in communication with the message listener for storing the messages, a message distribution device for delivering the messages to a plurality of locations including a system database, an analytics database, and an integration engine. The system is configured such that the system database performs extract, transform, and load operations to generate system specific message objects configured to include the received message used to generate the system specific message object, the analytics database computes and displays a real time analytic information stored in each system specific message objects, and the integration engine is programmed to transmit the system specific message objects and receive a plurality of feedback from a central information system. | 04-17-2014 |
20140114200 | COMPOSITE MANUAL AND AUTOMATED FETAL ANALYSIS SYSTEMS AND METHODS - A composite manual and automated fetal strip analysis system is disclosed. A computer is configured to receive at least one of a signal indicative of said physiological parameter of a fetus and a signal indicative of uterine activity and automatically detect a pre-determined pattern. A user interface allows a user to manually alter results of the automatic detection. | 04-24-2014 |
20140121542 | RISK DETERMINATION FOR VENTRICULAR ARRHYTHMIA - Risk determination for a near fatal ventricular arrhythmia of a patient. An electrocardiogram of a heart of the patient is obtained. A parameter is measured, using an electrocardiogram of a heart of the patient, indicative of an autonomic nervous system of the patient. A numeric score is assigned for the parameter indicative of the conduction system of the heart. A numeric score is assigned for the parameter indicative of the autonomic nervous system. A ratio of the numeric score of the parameter indicative of the conduction system of the heart of the patient and the numeric score of the parameter indicative of the autonomic nervous system of the patient is calculated. The risk of the potentially near fatal ventricular arrhythmia of the patient is determined to be significant if the ratio is greater than a predetermined threshold. An action responsive to the determining step is taken. | 05-01-2014 |
20140121543 | MEASURING PSYCHOLOGICAL STRESS FROM CARDIOVASCULAR AND ACTIVITY SIGNALS - A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method includes performing adaptation to update a probability mass function (PMF). The method includes determining a stress level (SL) using the SF and the updated PMF to continuously measure the psychological stress. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to carry out the steps of the method. | 05-01-2014 |
20140142439 | COGNITIVE FUNCTION EVALUATION AND REHABILITATION METHOD AND SYSTEM - A cognitive function evaluation method and system involves prompting a test subject (person) to engage in movement, such as whole-body movement, for example sports-specific movement, while tracking movement of the person. Data can be gathered from the tracking of the person's movement. This data can be compared with baseline data from an earlier test (or with data gathered from other subjects), to make a determination of cognitive function of the test subject, or to evaluate progress in rehabilitation and/or aid in making a determination whether a person is ready to resume specified activities, such as an athlete returning to a sport. Such a determination can be made under realistic activity-specific conditions (for example using increased metabolic rate and/or activity-specific movements that may test/challenge the test subjects cognition, vestibular, and/or visual performance/abilities), to allow a for determination of the person's cognitive function. | 05-22-2014 |
20140148710 | WIRELESS SKIN TEMPERATURE MEASUREMENTS IN DIVING - A dive computer system that utilizes a direct skin temperature measurement is provided. The dive computer system includes a measurement device that includes a temperature sensor and is attached to a strap. The strap is placed around a diver's chest and configured to measure the diver's skin temperature. The skin temperature is wirelessly transmitted to a dive computer that utilizes a dive algorithm to determine compartment inert gas saturation and desaturation. The dive algorithm determines an updated skin perfusion factor that is in turn utilized to determine an updated half time for the skin compartment for inert gas desaturation and a pressure tolerance for the skin compartment for inert gas saturation. | 05-29-2014 |
20140155761 | PHYSIOLOGICAL DETECTION DEVICE - The physiological detection device is for equipping on a user, and contains a physiological signal module, an impact module, and a tracking module. The impact module, the physiological signal module, and the tracking module are data-linked to each other. The physiological signal module and the tracking module are also data-linked to at least an alarm module. When the physiological signal module detects some abnormality, an alarm is automatically generated from the alarm module. When the impact module detects some abnormality, an alarm will not be generated immediately. Instead the tracking module monitors the physiological signal module for a period of time. In this way, the false alarm due to that the impact module detects abnormality whereas the user is actually all right. The present invention as such achieves automatic detection and avoids false alarm. | 06-05-2014 |
20140163393 | ALARM SYSTEM THAT PROCESSES BOTH MOTION AND VITAL SIGNS USING SPECIFIC HEURISTIC RULES AND THRESHOLDS - The invention provides a body-worn monitor that measures a patient's vital signs (e.g. blood pressure, SpO2, heart rate, respiratory rate, and temperature) while simultaneously characterizing their activity state (e.g. resting, walking, convulsing, falling). The body-worn monitor processes this information to minimize corruption of the vital signs by motion-related artifacts. A software framework generates alarms/alerts based on threshold values that are either preset or determined in real time. The framework additionally includes a series of ‘heuristic’ rules that take the patient's activity state and motion into account, and process the vital signs accordingly. These rules, for example, indicate that a walking patient is likely breathing and has a regular heart rate, even if their motion-corrupted vital signs suggest otherwise. | 06-12-2014 |
20140163394 | Neuropathy Test Device - A device for testing for the presence of neuropathy by applying a thermal stimulus to a test area of skin includes a temperature sensing arrangement for determining a reference temperature being a reference skin temperature or room temperature, a thermal stimulus application arrangement and a temperature controlling arrangement for controlling temperature of the thermal stimulus. The reference temperature is used in controlling the temperature of the applied thermal stimulus. The device may include a blood flow sensing arrangement which provides a measurement of blood flow in an area of the skin which may be considered to be indicative of a blood flow in response to an applied stimulus. | 06-12-2014 |
20140163395 | Computer-Aided Localization of Site of Origin of Cardiac Activation - A method for quantifying, during pacemapping, a comparison of a BSPM of interest to a pace site BSPM. The method may include receiving at a computing device a plurality of ECG signals from an acquisition system. The pace site BSPM may be calculated using the plurality of ECG signals. The BSPM of interest may be compared to the pace site BSPM, by: retrieving the BSPM of interest from memory accessible by the computing device; and, calculating one or more comparison metrics for the BSPM of interest as compared to the pace site BSPM. An indication of similarity between the BSPM of interest and the pace site BSPM based on the comparison metric calculated may be displayed on a user interface in communication with the computing device. | 06-12-2014 |
20140171809 | MONITORING APPARATUS AND OTHER DEVICES - A wrist watch system is provided. The wrist watch system includes at least one sensor configured to detect biometric data of a user; and a watch communicatively coupled to the at least one sensor and configured to removably couple to a wrist of the user. The watch includes an output device configured to display data from the at least one sensor and a communication device configured to transmit, to an external source, data received from the at least one sensor. | 06-19-2014 |
20140187973 | SYSTEM AND METHOD FOR TRACKING BRAIN STATES DURING ADMINISTRATION OF ANESTHESIA - A method and system for determining the state of a patients brain under anesthesia. The present invention recognizes that anesthesia compounds induce different signatures in physiological characteristics of the patient under anesthesia and aids interpretation of physiological characteristics and signatures therein based on a selected anesthesia compound. The present invention aids the monitoring and/or interpreting of the physiological characteristics to a state of the patient's brain. | 07-03-2014 |
20140187974 | BODY-WORN SENSOR FOR CHARACTERIZING PATIENTS WITH HEART FAILURE - The invention provides a sensor for measuring both impedance and ECG waveforms that is configured to be worn around a patient's neck. The sensor features 1) an ECG system that includes an analog ECG circuit, in electrical contact with at least two ECG electrodes, that generates an analog ECG waveform; and 2) an impedance system that includes an analog impedance circuit, in electrical contact with at least two (and typically four) impedance electrodes, that generates an analog impedance waveform. Also included in the neck-worn system are a digital processing system featuring a microprocessor, and an analog-to-digital converter. During a measurement, the digital processing system receives and processes the analog ECG and impedance waveforms to measure physiological information from the patient. Finally, a cable that drapes around the patient's neck connects the ECG system, impedance system, and digital processing system. | 07-03-2014 |
20140187975 | ECG Artifact Reduction System - An ECG signal processing system which removes the CPR-induced artifact from measured ECG signals obtained during the administration of CPR. | 07-03-2014 |
20140221849 | WEARABLE APPARATUS TO DETECT PULSE TRANSIT TIME - A monitor device and associated methodology are disclosed which provide a self contained, relatively small and continuously wearable package for the monitoring of heart related parameters, including ECG. The detection of heart related parameters is predicated on the location of inequipotential signals located within regions of the human body conventionally defined as equivalent for the purpose of detection of heart related electrical activity, such as on single limbs. Amplification, filtering and processing methods and apparatus are described in conjunction with analytical tools for beat detection and display. | 08-07-2014 |
20140221850 | WEARABLE APPARATUS TO DETECT SLEEP STAGE INFORMATION OF AN INDIVIDUAL - A monitor device and associated methodology are disclosed which provide a self contained, relatively small and continuously wearable package for the monitoring of heart related parameters, including ECG. The detection of heart related parameters is predicated on the location of inequipotential signals located within regions of the human body conventionally defined as equivalent for the purpose of detection of heart related electrical activity, such as on single limbs. Amplification, filtering and processing methods and apparatus are described in conjunction with analytical tools for beat detection and display. | 08-07-2014 |
20140236025 | Personal Health Monitoring System - A personal health monitor device comprising memory for collecting and storing attributes from an individual and a processor for quantizing each attribute in such a way as to indicate a normal range for that attribute and for measuring deviations from that normal range. The processor further calculates the well-being of the individual using the deviations measured. The results are displayed indicating the well-being of the individual. | 08-21-2014 |
20140236026 | METHOD AND APPARATUS FOR MULTI-STATE HEART FAILURE DECOMPENSATION DETECTION - Devices and methods for detecting events indicative of heart failure (HF) decompensation status are described. An ambulatory medical device can determine the present physiologic state as being either a drift state or a stable state, and applies an algorithm to detect HF decompensation event according to the physiologic state. In some embodiments, the ambulatory medical device uses the present physiologic state to estimate one ore more expected future signal characteristics, and to detect HF decompensation event using the one or more expected futures signal characteristics. | 08-21-2014 |
20140249428 | METHOD FOR LOCATING A CATHETER TIP USING AUDIO DETECTION - A method for locating a catheter tip within a human body is disclosed. An audio sensor is positioned at a site on the human body. An audio signal is detected by the audio sensor, and transmitted to an audio signal processing unit. The audio signal processing unit determines if the audio signal corresponds to a target location of the catheter tip, and transmits a notification signal to a user notification unit. An infusion of fluid or an audio emitting element can be used to generate the audio signal at the catheter tip. | 09-04-2014 |
20140249429 | FITNESS MONITORING - A mobile system for a user includes a telephone having one or more sensors to capture fitness data or vital sign data, the telephone having a wireless transceiver coupled to the processor to communicate fitness or vital sign data over a personal area network; and a processor coupled to the personal area network to process the fitness or vital sign data. | 09-04-2014 |
20140257115 | APPARATUS AND METHOD FOR PATIENT ACTIVITY ESTIMATION AND CLASSIFICATION - A medical device includes a housing and an electrode arrangement coupled to the housing and configured to sense an electrical physiologic signal from a patient. The device also includes detection circuitry coupled to the electrode arrangement and configured to obtain a cardiac signal component and a non-cardiac signal component from the physiological signal. A processor is coupled to the detection circuitry. The processor is configured to detect patient activity using at least the non-cardiac signal component and discriminate between voluntary and involuntary activity of the patient based on a comparison of temporally aligned cardiac and non-cardiac signal components. | 09-11-2014 |
20140276122 | METHOD AND SYSTEM FOR NEUROCARDIAC DIFFERENTIAL ANALYSIS OF ISCHEMIA AND MYOCARDIAL INFARCTION - A method and system for differential analysis of cardiac events are provided that include monitoring cardiac signals from a heart to detect deviations indicative of at least one of ischemia and myocardial infarction (MI). The method and system also monitor physiologic surrogate signals associated with pain to detect chest pain. Additionally, the method and system include characterizing a cardiac event exhibited by the heart based on whether the cardiac event occurs in a presence of at least one of the ischemia, IM, and chest pain. | 09-18-2014 |
20140276123 | METOD AND CONTINUOUSLY WEARABLE NONINVASIVE APPARATUS FOR AUTOMATICALLY DETECTING A STROKE AND OTHER ABNORMAL HEALTH CONDITIONS - Method and continuously wearable noninvasive apparatus for automatically detecting a stroke's onset are invented. The method comprises measuring pulse transit time or a related hemodynamic parameter and using adaptive pattern learning and stroke identification algorithms to identify the start of a stroke attack. The algorithms are run on an embedded processor and electronics in the apparatus. The result of the identification and detection is used to generate an alarm to alert the patient, caregiver or medical professional to immediately seek further medical treatment. The method can also be applied to identify and detect other abnormal health conditions. | 09-18-2014 |
20140276124 | QUANTIFICATION OF RENAL DENERVATION VIA ALTERATIONS IN RENAL BLOOD FLOW PRE/POST ABLATION - A renal denervation catheter includes a catheter shaft, at least one ablation member, and a sensor, and is operable to perform a renal denervation procedure. The catheter shaft includes a distal end portion insertable into a renal artery. The at least one ablation member is positioned at the distal end portion of the catheter shaft and operable to ablate renal nerves along a wall of the renal artery. The sensor provides information that correlates to blood flow in the renal artery. A change in blood flow rate in the renal artery resulting from the ablation is indicative of the efficacy of the renal denervation procedure. | 09-18-2014 |
20140276125 | METHOD AND SYSTEM FOR CHARACTERIZING CARDIAC FUNCTION BASED ON DYNAMIC IMPEDANCE - A method and system are provided for characterizing cardiac function. The method and system comprise collecting cardiac signals associated with electrical or mechanical behavior of a heart over at least one cardiac cycle; identifying a timing feature of interest (FOI) from the cardiac signals; collecting dynamic impedance (DI) data over at least one cardiac cycle (CC), designated by the timing FOI, along at least one of i) a venous return (VR) vector or ii) a right ventricular function (RVF) vector; and analyzing at least one morphologic characteristic from the DI data based on at least one of i) a VR-DI correlation metric to obtain a VR indicator associated with the CC or ii) a RVF-DI correlation metric to obtain a RVF indicator associated with CC. | 09-18-2014 |
20140276126 | METHOD AND APPARATUS FOR PROVIDING INTEGRATED MEDICAL SERVICES - An improved method and apparatus for providing integrated medical services is disclosed. | 09-18-2014 |
20140276127 | CONTEXTUAL HEART RATE MONITORING - A method and system for contextual heart rate monitoring are disclosed. In a first aspect, the method comprises calculating a heart rate using a detected ECG signal and detecting an activity level. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to calculate a heart rate using a detected ECG signal and to detect an activity level. | 09-18-2014 |
20140276128 | PARAMETRIC SEIZURE DETECTION - We report a method for detecting epileptic or non-epileptic seizures, comprising: receiving a heart rate of a patient; calculating a percentage change of the heart rate in reference to at least one of the patient's maximal heart rate, reserve heart rate, or a resting heart rate; detecting an epileptic seizure if the percentage increase in the heart rate reaches a threshold value; and taking at least one responsive action selected from issuing a warning, delivering a therapy, determining a seizure severity, or logging at least one of a date and time of occurrence of the seizure, its severity, the type of therapy, or its effect, in response to the detection. We also report a medical device system configured to implement the method. We also report a non-transitory computer readable program storage unit encoded with instructions that, when executed by a computer, perform the method. | 09-18-2014 |
20140276129 | CONTIGENT ACQUISITION AND ANALYSIS OF BIOLOGICAL SIGNAL OR FEATURE THEREOF FOR EPILEPTIC EVENT DETECTION - We report a method comprising receiving a first indication to gather a first biological signal or feature thereof from a patient; gathering the first biological signal or feature thereof; receiving a second indication to stop gathering the first biological signal or feature thereof, wherein the second indication relates to a detection of an end of a brain state change; and stopping gathering the first biological signal or feature thereof. We also report a medical device system configured to implement the method. We also report a non-transitory computer readable program storage unit encoded with instructions that, when executed by a computer, perform the method. | 09-18-2014 |
20140276130 | VIRTUAL REALITY FOR MOVEMENT DISORDER DIAGNOSIS AND/OR TREATMENT - Methods and/or systems for diagnosing, monitoring and/or treating persons at risk for falling and/or other pathological conditions. In an exemplary embodiment of the invention, people are diagnosed before they actually start falling. Optionally, the diagnosis includes trying out and identifying one or more fall triggers using virtual reality tools. Optionally or alternatively, treatment includes training the persons using situations and/or triggers which are determined to be relevant for that person. | 09-18-2014 |
20140288438 | WEARABLE HEART RATE MONITOR - A biometric monitoring device is used to determine a user's heart rate by using a heartbeat waveform sensor and a motion detecting sensor. In some embodiments, the device collects collecting concurrent output data from the heartbeat waveform sensor and output data from the motion detecting sensor, detects a periodic component of the output data from the motion detecting sensor, and uses the periodic component of the output data from the motion detecting sensor to remove a corresponding periodic component from the output data from the heartbeat waveform sensor. From this result, the device may determine and present the user's heart rate. | 09-25-2014 |
20140288439 | BIOMETRIC INFORMATION PROCESSING DEVICE, BIOMETRIC INFORMATION PROCESSING METHOD, AND CONTROL PROGRAM - A biometric information processing device includes a heart rate detection unit, a relative heart rate calculation unit, a relative oxygen intake calculation unit, an oxygen intake estimation unit and a calorie expenditure calculation unit. The relative heart rate calculation unit calculates a relative heart rate obtained from a first difference over a second difference, the first difference being by subtracting a resting heart rate of the subject from the heart rate, the second difference being by subtracting the resting heart rate from a maximum heart rate. The relative oxygen intake calculation unit calculates a relative oxygen intake based on the relative heart rate. The oxygen intake estimation unit estimates the oxygen intake from the relative oxygen intake. The calorie expenditure calculation unit calculates calorie expenditure based on the oxygen intake. | 09-25-2014 |
20140303508 | FREEZING OF GAIT (FOG), DETECTION, PREDICTION AND/OR TREATMENT - A method and system for provoking gait disorders, such as freezing of gait; usable, for example, for diagnosing and/or treatment thereof. In an exemplary embodiment of the invention, displays of situations calculated to cause freezing of gait are presented to a subject, optionally using virtual reality displays. Optionally or alternatively, incipit freezing of gait is identified using changes in gait parameters, and optionally used to guide attempts at causing freezing of gait. Optionally or alternatively, a portable device is provided which detects incipit freezing of gait and generates a corrective signal to the subject. | 10-09-2014 |
20140309538 | APPARATUS AND METHOD FOR DETECTING PHRENIC NERVE STIMULATION - An apparatus and method for detecting phrenic nerve stimulation (PNS) including computing a power spectral density (PSD) of spatial data of a sensor; determining two spectral magnitudes from the PSD; computing a ratio of the two spectral magnitudes; and comparing the ratio to a threshold to detect PNS. In one example, detecting PNS includes computing a PSD of spatial data of an externally placed sensor; determining a diaphragmatic spectral magnitude and a respiratory motion spectral magnitude from the PSD; and computing a ratio of the diaphragmatic spectral magnitude to the respiratory motion spectral magnitude to detect PNS. In one example, detecting PNS includes computing an oscillation amplitude of spatial data of a sensor; computing a baseline wander amplitude of the spatial data of the sensor; computing a ratio of the oscillation amplitude to the baseline wander amplitude; and comparing the ratio to a threshold to detect PNS. | 10-16-2014 |
20140316285 | Emergency Medical Diagnosis and Communications Device - A portable emergency medical device capable of communicating with a remote location preferably as a cellular telephone that can measure one or more human vital parameters such as pulse rate, body temperature, skin moisture, blood pressure, ECG or blood chemistry and can receive symptoms from a user either by voice recognition or by keypad and can provide an expert medical diagnosis. The device can store a complete medical history for one or more users and can use an expert system to make the diagnosis. The device can make an emergency medical call either on command or automatically requesting help and optionally supplying medical information and/or GPS location information. | 10-23-2014 |
20140323881 | PULSE ESTIMATION DEVICE - A determination unit | 10-30-2014 |
20140323882 | SYSTEMS, METHODS, AND INTERFACES FOR IDENTIFYING OPTIMAL ELECTRICAL VECTORS - Systems, methods, and graphical user interfaces are described herein for identification of optimal electrical vectors for use in assisting a user in implantation of implantable electrodes to be used in cardiac therapy. Cardiac improvement information may be generated for each pacing configuration, and one or more pacing configuration may be selected based on the cardiac improvement information. Optimal electrical vectors using the selected pacing configurations may be identified using longevity information generated for each electrical vector. Electrodes may then be implanted for use in cardiac therapy to form the optimal electrical vector. | 10-30-2014 |
20140330135 | CANNULATED SCREW PROBE - Concepts for measuring and monitoring characteristics of osseous tissue are presented. In various embodiments, a monitoring probe may be inserted through a hollow passageway within a cannulated screw during an operation in order to measure characteristics of the osseous tissue in which the cannulated screw is inserted. In various embodiments, the cannulated screw may be inserted into a femoral head, through a physis, and into an epiphysis for stabilization of Slipped Capital Femoral Epiphysis. During surgical treatment thereof, a pressure transducer may be inserted into the osseous tissue through the cannulated screw in order to monitor epiphysis perfusion through the femoral head. | 11-06-2014 |
20140330136 | ADHERENT DEVICE WITH MULTIPLE PHYSIOLOGICAL SENSORS - An adherent device to monitor a patient comprises an adhesive patch to adhere to a skin of the patient, and at least four electrodes connected to the patch and capable of electrically coupling to the patient. The adherent device further includes impedance circuitry coupled to the at least four electrodes to measure a hydration signal of the patient and electrocardiogram circuitry coupled to at least two of the at least four electrodes to measure an electrocardiogram signal of the patient. | 11-06-2014 |
20140350415 | METHOD AND CIRCUIT FOR STORING AND PROVIDING HISTORICAL PHYSIOLOGICAL DATA - Embodiments of the present invention include systems and methods that relate to pulse oximetry. Specifically, one embodiment includes an oximeter sensor comprising a light emitting element configured to emit light, a light detector configured to detect the light, and a memory chip having a built-in trimmed resistor, the trimmed resistor having a resistance value that is detectable by a monitor. | 11-27-2014 |
20140378848 | Method and Apparatus for Motion Artifact Reduction in ECG Harness - A motion artifact reduction apparatus and method | 12-25-2014 |
20150038855 | Method and device for accurate real-time detection of drowsiness in operators using physiological responses - A method and device for detection of drowsiness of a person, based on a relationship between distal temperature and heart rate and on a balance between body heat loss and body heat production, wherein the distal temperature in a predetermined distal region of the person is monitored as a measure for body heat loss, and the heart rate of the person is monitored as a measure for body heat production, wherein drowsiness in the immediate future is concluded when a change of distal temperature passes a first threshold and, subsequently, a change of the heart rate passes a second threshold or, subsequently, the change of the distal temperature is larger than the change of the heart rate. | 02-05-2015 |
20150045679 | Hybrid Patient Monitoring System - A system for monitoring a patient includes a sensor configured to determine a first characteristic and a second characteristic of an at least partially occluded artery. The system also includes a control module in communication with the sensor and configured to determine a hemodynamic parameter of the patient based on the first and second characteristics. The control module is operable in an automatic operating mode and a manual operating mode. The automatic operating mode is characterized by the sensor determining, in response to one or more sensor control signals automatically generated by the control module, the first and second characteristics during at least one of automatic inflation and automatic deflation of a cuff associated with the control module. The manual operating mode is characterized by the sensor determining, in response to manual actuation of a trigger associated with the sensor, the first and second characteristics during at least one of inflation and deflation of the cuff. | 02-12-2015 |
20150051501 | BANDS FOR MEASURING BIOMETRIC INFORMATION - In some aspects, a system is provided that includes (1) a wrist band having one or more sensors that measure biometric data of a user wearing the band; and (2) a display on the band that displays a message based on biometric data measured by the band. The message indicates a heart rate zone of the user. Numerous other aspects are provided. | 02-19-2015 |
20150065893 | WEARABLE ELECTRONIC DEVICE, CUSTOMIZED DISPLAY DEVICE AND SYSTEM OF SAME - Cellular telephone set having a wearable electronic device and a display device is disclosed. Wearable electronic device includes a first processor, a first storage memory, a small display, a small battery pack, a cellular communication module, a first local communication module, a character receiving unit, a first charging circuitry, a motion sensor, and a biosensor configured for generating physiological signals indicating health conditions of user. Display device includes second processor, second storage memory, large display, large battery pack, a second local communication module, a character input unit, video processing unit; and second charging circuitry. Wearable electronic device is worn on a wrist of user and capable to perform cellular phone functions by itself without display device. Display device is configured to provide a full QWERTY keyboard to facilitate data entry into wearable electronic device. Display device is capable of charging wearable electronic device when connected in wired or wireless manner. | 03-05-2015 |
20150080749 | Devices, Systems, and Methods for Visually Depicting a Vessel and Evaluating Treatment Options - Devices, systems, and methods for visually depicting a vessel and evaluating treatment options are disclosed. | 03-19-2015 |
20150088004 | METHOD FOR MONITORING AN ACCURATE HEART RATE - A method for monitoring a more accurate heart rate of a human or an animal, wherein at least one heart rate or electrocardiogram (ECG) signal and at least one activity signal is measured and wherein, when said measured heart rate or ECG signal is of low quality, the heart rate or ECG signal is at least partially rejected and replaced by a simulated heart rate or ECG signal, which is calculated from a predetermined relationship between the activity signal and the heart rate or ECG signal. By applying this method in real time using on-line modelling a predetermined relationship is continuously updated to have an accurate modelled heart rate. | 03-26-2015 |
20150088005 | APPARATUS AND METHOD FOR OUTPUTTING HEART SOUNDS - An apparatus for outputting heart sounds includes an implantable system and an external system. The implantable system includes a sensor for generating sensed signals representing detected heart sounds, an interface circuit and a control circuit for receiving the sensed signals, generating data representing the heart sounds therefrom, and transmitting the data to the external system via the interface circuit. The external system includes an interface circuit for communicating with the implantable system, and a control circuit for receiving the data representing the heart sounds and for generating control signals that cause an output device to generate outputs representing the sounds. The implantable system may also include a sensor(s) for detecting cardiac electrical signals. in this case, outputs representing the cardiac electrical signals are also output. | 03-26-2015 |
20150099988 | BLOOD VISCOSITY MEASURING METHOD AND SYSTEM - According to an example, a blood viscosity value of blood flowing through a blood vessel may be calculated by detecting a deformation of a blood vessel due to a pulsatile wave of blood flowing through the blood vessel, determining a pulsatile wave velocity of the pulsatile wave based upon the detected deformation, and calculating the blood viscosity value of the blood flowing through the blood vessel based on a predetermined relationship between blood viscosity and the determined pulsatile wave velocity. | 04-09-2015 |
20150112209 | CARDIO-POSTURAL ASSESSMENT SYSTEM - An exemplary cardio-postural assessment system (CAS) may desirably provide for continuous cardiovascular and postural data monitoring and assessment of a subject during standing. One such CAS may provide continuous cardiovascular and postural data monitoring using a non-invasive weight-scale platform. Another such CAS device may allow for an assessment of balance/posture control, posture muscle activation, and cardiovascular function components simultaneously and provide detailed output as to the proportion each area contributes to the cardio-postural stability of an individual. | 04-23-2015 |
20150119726 | ELECTRONIC APPARATUS AND COMMUNICATION CONTROL METHOD - According to one embodiment, an electronic apparatus includes a sensor, an acquisition module, an estimation module, and a transmission controller. The sensor is configured to detect biomedical data of a user. The acquisition module is configured to acquire first and second biomedical data detected by the sensor. The estimation module is configured to estimate the user's status based on the first biomedical data. The transmission controller is configured to transmit the second biomedical data to an external apparatus at a timing in accordance with the user's estimated status. | 04-30-2015 |
20150126876 | BALLISTOCARDIOGRAM ANALYSIS METHOD AND VEHICLE BALLISTOCARDIOGRAM ANALYSIS SYSTEM USING THE SAME - A BCG analysis system includes a vehicle behavior sensor, a posture measurement sensor, a pattern database, a BCG measurement unit, a signal processing unit, and a biostate recognition unit. The vehicle behavior sensor measures the physical momentum of a vehicle. The posture measurement sensor measures the posture of a testee. The pattern database stores standardized representative patterns. The BCG measurement unit measures the BCG signal of the testee. The signal processing unit obtains desired data by matching the BCG signal with a pattern of the pattern database, searching the pattern database for a new pattern when the posture of the testee and the physical momentum of the vehicle may be changed, and matching the BCG signal of the BCG measurement unit with the new pattern. The biostate recognition unit recognizes the biostate of the testee. | 05-07-2015 |
20150141851 | METHOD AND APPARATUS FOR ACCURATELY DETERMINING HEART RATE VARIABILITY AND SYMPATHETIC RESERVE - An implantable monitoring device is disclosed for monitoring a patient's heart rate variability over time. The device includes a cardiac electrogram amplifier, a sensing electrode coupled to an input of the amplifier, timing circuitry, processing circuitry and a memory. The timing circuitry defines successive shorter time periods during each monitoring period. The processing circuitry relies upon electrogram activity that occurs during rest periods that extend as long as T1, all of which is stored into memory. Active periods are not considered as part of the heart rate variability calculation. The processing circuitry calculates median intervals between depolarizations of the patient's heart sensed by the amplifier during the shorter time periods and calculates a standard deviation of the median intervals during T2, a longer monitoring period. | 05-21-2015 |
20150297093 | Flow rate sensor system and method for non-invasively measuring the flow rate of a bodily fluid - A flow rate sensor system for non-invasively measuring the flow rate of a bodily fluid. The system includes an encapsulated implant having a flow tube having an inlet and an outlet configured to receive a flow of a bodily fluid. A heating element externally coupled to the flow tube is configured to dissipate heat at a predetermined rate over a predetermined amount of time. A temperature sensor externally coupled to the heating element is configured to measure a temperature rise of the heating element over the predetermined amount of time. An implant microcontroller coupled to the temperature sensor is configured to determine the flow rate of the bodily fluid in the flow tube from the measured temperature rise and a curve fit to a stored set of previously obtained calibration measurements. An implant power and communication subsystem is coupled to the implant microcontroller configured to wirelessly receive power and wirelessly transmit and receive data. The system also includes an external device having an external microcontroller and an external power and communication subsystem coupled to the external microcontroller configured to wirelessly deliver power to the implant power and communication subsystem and transmit and receive data to and from the implant power and communication subsystem. | 10-22-2015 |
20150313478 | Intravascular Pressure and Flow Data Diagnostic Systems, Devices, and Methods - In part, the disclosure relates to computer-based methods, devices, and systems suitable for performing intravascular data analysis and measurement of various types of data such as pressure and flow data. The disclosure relates to probes and methods suitable for determining an event in a cardiac cycle such as flow threshold such as a peak flow, a fraction thereof, other intravascular parameters or a point in time during which peak flow or a change in one of the parameters occurs. An exemplary probe includes one or more of a pressure sensor, a resistor, a flow sensor and can be used to generate diagnostic data based upon measured intravascular and other parameters. In part, the disclosure relates to methods and systems suitable for determining a coronary flow reserve value in response to one or more of intravascular pressure and flow data or data otherwise correlated therewith. | 11-05-2015 |
20150320327 | HEMODYNAMICS MEASUREMENT APPARATUS AND HEMODYNAMICS MEASUREMENT METHOD - An exemplary embodiment of a hemodynamics measurement apparatus can include a PWTT measuring device configured to measure a pulse wave transit time, a body posture measuring device configured to measure a body posture of a living body, and a data calculation device configured to calculate data for measuring a hemodynamics value from the measured pulse wave transit time and body posture of the living body. Also, a hemodynamics measurement method can include measuring a pulse wave transit time and a body posture of a living body, and calculating data for measuring a hemodynamics value from the measured pulse wave transit time and body posture of the living body. | 11-12-2015 |
20150327778 | MONITORING APPARATUS AND OTHER DEVICES - A wrist watch system is provided. The wrist watch system includes at least one sensor configured to detect biometric data of a user; and a watch communicatively coupled to the at least one sensor and configured to removably couple to a wrist of the user. The watch includes an output device configured to display data from the at least one sensor and a communication device configured to transmit, to an external source, data received from the at least one sensor. | 11-19-2015 |
20150327804 | EXERCISE SYSTEM AND METHOD - We here describe an exercise system and control method thereof to obtain exercise protocols relating to the individual user's optimal exercise intensity. The system and method comprise the monitoring of the transition between the aerobic and anaerobic training zones and an estimate of the maximal lactate steady state, which is an important physiological indicator of the user's cardio respiratory fitness. Together with individual models of how the user's heart rate responds to exercise intensity, it is possible to predict the needed exercise intensity that should be performed to obtain the wanted exercise goal. The analysis can (preferably) be performed in real-time during exercise. | 11-19-2015 |
20150366530 | DEVICE, COMPUTING DEVICE AND METHOD FOR DETECTING FISTULA STENOSIS - A device for detecting fistula stenosis is provided. The device includes a physiological signal sensor, an acoustic receiver and a processing circuit. The physiological signal sensor is configured for providing a physiological signal of a user. The acoustic receiver is configured for detecting a sound from a fistula of the user to generate a sound signal. The processing circuit is configured for providing a degree of fistula stenosis according to the physiological signal of the user and the sound signal. | 12-24-2015 |
20150374240 | Heart Rate Inference Based On Accelerometer And Cardiac Model - An activity monitor determines whether the current value of a user's heart rate from a heart rate sensor is correct based on a motion-based heart rate and an associated spread which are determined by a model. The model provides a probability density function (PDF) of the heart rate based on confidence levels of previous heart rate values. The spread of the PDF is inversely proportional to the confidence levels. The confidence level may be based on an amplitude of a spectral peak relative to a noise floor. Multiple spectral peaks within the spread can be processed based on a shape of the PDF to determine which peak to use as the current value from the heart rate sensor. Either the value from the heart rate sensor or the motion-based heart rate is provided as the current heart rate. | 12-31-2015 |
20150374310 | Intelligent Sampling Of Heart Rate - An activity monitor reduces power consumption by providing a heart rate sensor in an inactive mode at times when the heart rate is relatively unimportant. Data from a motion sensor is used to determine when to activate the heart rate monitor to obtain heart rate readings. For example, the motion data may indicate that the user is becoming active after a period of inactivity, or the user is vigorously exercising, then terminates the exercising, or the user is in a sleep-related activity such as the onset of sleep, non-REM (rapid-eye movement sleep) sleep, REM sleep and the user waking from sleep. The heart rate sensor may be in a continuously active mode, an alternating mode, or an inactive mode. In the alternating mode, a delay between readings is set adaptively based on the user's level of activity. | 12-31-2015 |
20160000354 | ELECTROPHYSIOLOGY MEASUREMENT AND TRAINING AND REMOTE DATABASED AND DATA ANALYSIS MEASUREMENT METHOD AND SYSTEM - A method and system provides for electrophysiological data analysis in a networked processing environment. The method and system includes receiving, via a networked connection, electrophysiological data of a patient and electronically performing, via at least one network processing device, a data analysis on the electrophysiological data. The method and system includes generating at least one report based on the data analysis, wherein the at least one report includes determination of one or more intervention options for the patient and therein transmitting the report to a recipient device across the network connection for utilization with the patient. The results of the report direct the user to apply from within the same system non-invasive brain stimulation, neurofeedback, and biofeedback modalities. Re-assessment can occur from within the same system following the training or modulation of electrophysiology and thereby generate a comparison report showing functional changes from the provided intervention or combined interventions. | 01-07-2016 |
20160000372 | MONITORING HEART DISEASE USING IMPLANTABLE SENSORS - Specific embodiments of the present invention determine a range of a physiologic property, for each of a plurality of periods of time, and monitor changes in the patient's heart disease based on changes in the range. Other embodiments determine a minimum of a physiologic property, for each of a plurality of periods of time, and monitor changes in the patient's heart disease based on changes in the minimum. Still other embodiments determine a maximum of the physiologic property, for each of a plurality of periods of time, and monitor changes in the patient's heart disease based on changes in the maximum. | 01-07-2016 |
20160008062 | APPARATUS AND METHOD FOR INTRA-CARDIAC MAPPING AND ABLATION | 01-14-2016 |
20160015275 | METHODS AND SYSTEMS FOR REDUCING ENERGY CONSUMPTION OF A HEART RATE MONITOR - Disclosed is an apparatus and method for automatically configuring a mobile device for collecting and inferring heart rate data of a user. The method may include capturing heart rate data for a user with a heart rate sensor that is coupled with a mobile device. The method may also include monitoring a activity state of the user from activity data captured by the mobile device, and detecting a constant activity state of the user. The method may also include inferring heart rate data for the user from the captured heart rate data during a period in which the user remains in the constant activity state. The method may also include providing the inferred heart rate data, as captured heart rate data, to a heart rate calculator during the period in which the user remains in the constant activity state. | 01-21-2016 |
20160022156 | DEVICE AND METHOD HAVING AUTOMATIC USER-RESPONSIVE AND USER-SPECIFIC PHYSIOLOGICAL-METER PLATFORM - Aspects of the present disclosure are directed to a CPU and a memory circuit that has user-corresponding data stored on the memory circuit, and a platform over which a plurality of electrodes are interleaved, and configured for engaging the user. Based on a plurality of impedance-measurement signals being obtained from the electrodes, signals are generated that correspond to cardiovascular timings specific to the user. In such aspects of the present disclosure, pulse characteristic signals are determined based on the plurality of impedance-measurement signals and comparisons of user-obtained data are made relative to user-data profiles stored in the memory circuit. | 01-28-2016 |
20160022166 | RHYTHM DISCRIMINATOR WITH IMMUNITY TO BODY POSTURE - An implantable medical device system includes an implantable cardioverter defibrillator (ICD) for detecting and treating ventricular tachycardia (VT). The ICD includes a sensing module for sensing a cardiac signal from available cardiac signal sensing vectors. A control module generates morphology templates of the cardiac signals for multiple patient postures for each of the available sensing vectors and determines a set of posture-independent template features. An unknown cardiac rhythm is classified in response to comparing features of a cardiac signal received during the unknown rhythm to the set of posture-independent features. | 01-28-2016 |
20160022199 | PHYSICAL CONDITION PRESENTATION APPARATUS, PHYSICAL CONDITION PRESENTATION SYSTEM, PRESENTED INFORMATION OUTPUT METHOD, AND PRESENTED INFORMATION OUTPUT PROGRAM - A physical condition presentation apparatus calculates a point corresponding to an item based on a calculation rule set for the item classified to a behavior executed by a user and interlocked to an index indicating a physical condition of the user and the behavior executed within a predetermined period by the user, and presents presented information including at least one of the calculated point and evaluation of the physical condition of the user according to the point. | 01-28-2016 |
20160023013 | METHOD AND APPARATUS FOR ACCURATE SEPARATION OF SUPRAVENTRICULAR TACHYCARDIA FROM VENTRICULAR TACHYCARDIA DURING POSTURE CHANGES - An implantable medical device system includes an implantable cardioverter defibrillator (ICD) for detecting and treating ventricular tachycardia (VT). The ICD includes a sensing module for sensing a cardiac signal from selected cardiac signal sensing vectors. A control module generates morphology templates of the cardiac signals for multiple patient postures for each of the available sensing vectors. A cardiac signal received during an unknown cardiac rhythm is compared to the morphology templates without determining a current posture of the patient. The unknown cardiac rhythm is detected and classified as supraventricular tachycardia in response to the cardiac signal matching at least one of the morphology templates. | 01-28-2016 |
20160051154 | BIOLOGICAL INFORMATION DETECTING DEVICE AND BIOLOGICAL INFORMATION DETECTING METHOD - A biological information detecting device includes a first detection unit detecting biological information of a user, an abnormality determination unit determining whether or not an abnormality occurs in the user on the basis of the biological information detected by the first detection unit, and a frequency change unit changing a detection frequency of the first detection unit to a second frequency higher than a first frequency when the occurrence of the abnormality is determined by the abnormality determination unit. | 02-25-2016 |
20160058356 | METHOD AND SYSTEM TO CALIBRATE FITNESS LEVEL AND DIRECT CALORIE BURN USING MOTION, LOCATION SENSING, AND HEART RATE - The present disclosure relates generally to improving calorie expenditure prediction and tracking and, more particularly, to techniques for calibration and calorimetry using data from motions sensors and heart rate sensors. Embodiments of the present disclosure include a fitness tracking device and techniques for accurately tracking an individual's energy expenditure over time and over a variety of activities while wearing the fitness tracking device. In some embodiments, the fitness tracking device may be a wearable device. The wearable device may be worn on a wrist, such as a watch, and it may include one or more microprocessors, a display, and a variety of sensors, including a heart rate sensor and one or more motion sensors. | 03-03-2016 |
20160058370 | ACCURATE CALORIMETRY FOR INTERMITTENT EXERCISES - In one aspect, the present disclosure relates to a method including obtaining, by a fitness tracking device, a plurality of heart rate measurements of the user over a period of time, wherein the plurality of heart rate measurements can include heart rate data from a heart rate sensor of the fitness tracking device; analyzing, by the fitness tracking device, the plurality of heart rate measurements to determine a rate of change of a heart rate of the user during the period of time; determining, by the fitness tracking device, that the user is experiencing an onset phase if the rate of change of the heart rate during the period of time is greater than zero; determining, by the fitness tracking device, that the user is experiencing a cool-down phase if the rate of change of the heart rate during the period of time is less than zero; estimating, by the fitness tracking device, a first rate of energy expenditure of the user if the user is experiencing an onset phase using an onset calorimetry model; and estimating, by the fitness tracking device, a second rate of energy expenditure of the user if the user is experiencing a cool-down phase using a cool-down calorimetry model. | 03-03-2016 |
20160058371 | SENSOR FUSION APPROACH TO ENERGY EXPENDITURE ESTIMATION - In one aspect, the present disclosure relates to a method including obtaining a plurality of heart rate measurements of the user over a period of time; obtaining motion data of the user over the period of time; analyzing the motion data of the user to determine for each of the plurality of heart rate measurements, a corresponding work rate measurement; determining, for each of the plurality of heart rate measurements, a first confidence level; determining, for each corresponding work rate measurement, a second confidence level; and estimating a first energy expenditure rate using the plurality of heart rate measurements; estimating a second energy expenditure rate using the plurality of work rate measurements; and estimating a weighted energy expenditure rate of the user by combining the first energy expenditure rate weighted by the first confidence level and the second energy expenditure rate weighted by the second confidence level. | 03-03-2016 |
20160073904 | DATA TRANSFER OF A HEART RATE AND ACTIVITY MONITOR ARRANGEMENT AND A METHOD FOR THE SAME - The invention relates generally to data transfer of the heart rate and activity monitor arrangement. The arrangement includes heart rate monitoring elements for monitoring a user's heart rate, motion detection elements for monitoring the user's activity, control elements for obtaining data from the heart rate monitoring elements and from the motion detection elements, and transferring element including at least one transceiver. Further, the transferring element is arranged to transfer heart rate and/or activity data monitored by the heart rate and activity monitor arrangement to an external entity directly via a wireless cellular communications system. | 03-17-2016 |
20160081608 | Noninvasive Detection of Human Brain Conditions and Anomalies - Vascular conditions are detected non-invasively in the human body using a collection of information from small local regions of the vasculature, or from a specific signature or “BrainPulse” that can be derived from a patient's heartbeat-induced cranium movements. An array of accelerometers or other sensors are engaged against the head of a patient and skull movements, preferably under 100 Hz, are recorded. Vibration signatures of vessel structures such as branches, aneurysms, stenosis, etc. using random, periodic, band limited or transient analysis provides a library for further processing. The signature library is used to localize the origin of the recognized vascular feature, and the localized feature is presented to the physician in a clinically relevant manner. | 03-24-2016 |
20160081620 | METHOD AND APPARATUS FOR HEALTH CARE - An apparatus includes: a receiving unit for receiving a sensor signal for a body of a user from a wearable apparatus; a controller for classifying a physical activity of the user as one of a plurality of predefined activity models based on the received sensor signal, and generating prediction information about the body of the user based on a result of the classifying and profile information about the user; and an output device for outputting health care information to the user based on the prediction information. | 03-24-2016 |
20160089033 | DETERMINING TIMING AND CONTEXT FOR CARDIOVASCULAR MEASUREMENTS - The cardiovascular vital signs of a user are measured. One or more user activity metrics is received from one or more user activity sensors. A type of activity the user is currently engaged in is inferred from the received user activity metrics. Additional context that is associated with the inferred type of activity may also be identified. A determination is made as to if it is time to measure the cardiovascular vital signs of the user, where this determination is based on the inferred type of activity and may also be based on the identified additional context. Whenever it is determined to be time to measure the cardiovascular vital signs of the user, this measurement is made. | 03-31-2016 |
20160095522 | SYSTEMS AND METHODS FOR MONITORING THE CIRCULATORY SYSTEM - In accordance with embodiments of the present disclosure, a user-platform apparatus, such as a bodyweight sensing scale, includes a heart/cardiogram sensor which is used to detect heart and vascular characteristics of a user, and provide a cardiogram output indicative of the detected cardiovascular characteristics. The cardiogram output can be used for various purposes, such as detecting arterial stiffness and/or aging. | 04-07-2016 |
20160113536 | METHOD AND APPARATUS FOR SELECTION AND USE OF VIRTUAL SENSING VECTORS - A medical device is configured to receive at least two physical cardiac electrical signals from a patient's heart via electrodes defining at least two physical sensing vectors. The medical device determines a signal feature for each of a plurality of virtual sensing vectors extending at a plurality of angles relative to one of the at least two physical sensing vectors during a known cardiac rhythm, compares the determined signal features and establishes criteria for confirming a suspected condition in response to the comparing. | 04-28-2016 |
20160120418 | BLOOD PRESSURE MEASUREMENT DEVICE - A method for measuring blood pressure of a patient continuously and non-invasively comprises measuring a first pressure signal being proportional to arterial blood pressure of the patient at a first location by a first pressure sensor (P | 05-05-2016 |
20160120433 | WEARABLE MONITOR - The present disclosure relates to a wearable monitor device and methods and systems for using such a device. In certain embodiments, the wearable monitor records cardiac data from a mammal and extracts particular features of interest. These features are then transmitted and used to provide health-related information about the mammal. | 05-05-2016 |
20160157740 | WRIST DEVICE FOR OBSERVING PHYSIOLOGICAL MEASUREMENT DATA - A wrist device includes a first scale and a first hand, an actuator member configured to control movement of the first hand, at least one processor, and at least one memory including a computer program code. The at least one memory and the computer program code are configured, with the at least one processor, to cause the wrist device to perform operations including, obtaining physiological measurement data of a user, and causing, based on the physiological measurement data, the actuator member to move the first hand to indicate a physiological value on the first scale. | 06-09-2016 |
20160166152 | HEART RATE MEASUREMENT | 06-16-2016 |
20160183798 | DEVICE FOR ACQUIRING PHYSIOLOGICAL VARIABLES MEASURED IN A BODY - An eavesdropping arrangement for acquiring a measured physiological variable of an individual includes a receiver and a communication interface in a housing separate from the receiver. The communication interface is positioned along a communication link between a first sensor, which is configured to measure aortic blood pressure and to provide a signal representing measured aortic blood pressure, and a central monitoring device configured to monitor the measured aortic blood pressure. The communication interface includes a connection to the communication link that permits the communication interface to eavesdrop on the signal representing measured aortic blood pressure such that information representing measured aortic blood pressure is sent to the receiver while allowing the central monitoring device to receive and use the signal representing measured aortic blood pressure. | 06-30-2016 |
20160249815 | SAFETY SYSTEM | 09-01-2016 |
20160374566 | SAMPLE-COUNT-BASED SENSOR DATA CALCULATIONS - A computing device includes a time-dependent sensor configured to output a time-dependent datum at a time-dependent frequency, the time-dependent datum specifying a sensed parameter. A time-independent, sample-count-based calculation module is configured to output a new time-agnostic datum after receiving a specific number of the time-dependent data regardless of elapsed time taken to receive the specific number of the time-dependent data. | 12-29-2016 |
20160374578 | CONTEXTUAL HEART HEALTH MONITORING WITH INTEGRATED ECG (ELECTROCARDIOGRAM) - Integrated ECG (electrocardiogram) contacts enable opportunistic heart rate monitoring on a handheld electronic device. First and second ECG contacts are integrated into the device to connect, respectively, first and second ECG electrodes to an internal ECG circuit within the device. The ECG electrodes have vertical and horizontal portions that can be separate portions connected to a common contact, or different portions of an ‘L-shaped’ electrode. The ECG electrodes are positioned on opposite sides of the device to enable opportunistic two-hand contact when the device is used in either landscape or portrait orientation. The internal ECG circuit is to detect two-hand contact by the user on the first and second electrodes, and perform ECG monitoring in response to detecting two-hand contact. A mobile device can opportunistically capture heart rate data along with user context and provide alerts if a deviation is detected between heart rate data and user activity. | 12-29-2016 |
20170231528 | METHOD AND SYSTEM FOR CONTINUOUS MONITORING OF A MEDICAL CONDITION IN PATIENTS | 08-17-2017 |
20180020931 | Tracking cardiac forces and arterial blood pressure using accelerometers | 01-25-2018 |
20180020953 | METHOD AND DEVICE FOR IDENTIFYING HUMAN MOVEMENT STATE | 01-25-2018 |