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292 results about "Respiratory function" patented technology
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Vestibular stimulation system and method
InactiveUS6314324B1Augmenting or controlling a patient's natural respiratory functionImprovement effortsInternal electrodesExternal electrodesPhysical medicine and rehabilitationPhysical therapy
An apparatus and method in which the portions of the labyrinth associated with the labyrinthine sense and / or the nerves associated therewith are stimulated to perform at least one of the following functions: augment or control a patient's respiratory function, open the patient's airway, induce sleep, and / or counteract vertigo. In one embodiment, the vestibular stimulating system of the present invention includes 1) a stimulation element that performs the actual stimulation of the tissue, 2) a sensor to detect a physiological condition of the patient, and 3) a power / control unit that receives the signals provided by the sensor and causes stimulation energy to be provided to the stimulation element at an appropriate timing, level, pattern, and / or frequency to achieve the desired function. However, the present invention also contemplates eliminating the sensor in favor of applying a predetermined pattern of stimulation to the patient.
Owner:RIC INVESTMENTS LLC
Vestibular stimulation system and method
InactiveUS6748275B2Augmenting or controlling a patient's natural respiratory functionImprovement effortsInternal electrodesExternal electrodesSleep inductionControl unit
An apparatus and method in which the portions of the labyrinth associated with the labyrinthine sense and / or the nerves associated therewith are stimulated to perform at least one of the following functions: augment or control a patient's respiratory function, open the patient's airway, induce sleep, and / or counteract vertigo. In one embodiment, the vestibular stimulating system of the present invention includes 1) a stimulation element that performs the actual stimulation of the tissue, 2) a sensor to detect a physiological condition of the patient, and 3) a power / control unit that receives the signals provided by the sensor and causes stimulation energy to be provided to the stimulation element at an appropriate timing, level, pattern, and / or frequency to achieve the desired function. However, the present invention also contemplates eliminating the sensor in favor of applying a predetermined pattern of stimulation to the patient.
Owner:RIC INVESTMENTS LLC
Sensor device for real-time monitoring or relative movement using capacitive fabric sensors
InactiveUS7712373B2Accurately and precisely measuring respiratory functionForce measurementElectric/magnetic position measurementsParallel plateRelative motion
A capacitive sensor device, including electrode materials carried by fabric substrates, is provided for monitoring relative movement of an expanding and / or contracting structure, such as the mammalian chest and / or torso, corresponding to a performance parameter related, for example, to respiratory function. Some embodiments include non-woven fabric substrates comprising compliant portions configured to stretch only in a selected direction and non-compliant portions upon which electrode materials are disposed. In some embodiments, layers of fabric substrates, carrying corresponding first and second electrode materials, are configured to cooperate to form a parallel plate capacitive sensor having a variable capacitance corresponding to a relative motion of the fabric substrates.
Owner:MERRITT CAREY +5
Vestibular stimulation system and method
InactiveUS20020072781A1Augmenting or controlling a patient's natural respiratory functionImprovement effortsInternal electrodesExternal electrodesSleep inductionControl unit
An apparatus and method in which the portions of the labyrinth associated with the labyrinthine sense and / or the nerves associated therewith are stimulated to perform at least one of the following functions: augment or control a patient's respiratory function, open the patient's airway, induce sleep, and / or counteract vertigo. In one embodiment, the vestibular stimulating system of the present invention includes 1) a stimulation element that performs the actual stimulation of the tissue, 2) a sensor to detect a physiological condition of the patient, and 3) a power / control unit that receives the signals provided by the sensor and causes stimulation energy to be provided to the stimulation element at an appropriate timing, level, pattern, and / or frequency to achieve the desired function. However, the present invention also contemplates eliminating the sensor in favor of applying a predetermined pattern of stimulation to the patient.
Owner:RIC INVESTMENTS LLC
System for measuring respiratory function
InactiveUS7094206B2Easy to carryEasy to transportMedical automated diagnosisRespiratory organ evaluationBiological bodyAirway responsiveness
The present invention relates to a system for measuring respiratory function of living organisms. More particularly, signals indicative of the change in lung volume, defined as active and passive work, required to breathe and the airflow through the respiratory system of the living organism are obtained and processed as waveforms to provide a signal indicative of the respiratory restriction. The methods of the present invention measure clinical forms of airway obstruction, airway reactivity and lung volume and may be used to continuously or intermittently monitor patients with compromised respiratory function. In a preferred embodiment, a head-out, breath in respiratory plethysmograph system provides the signals indicative of change in lung volume as related to pressure changes in a chamber. Further, flowmetric variables are generated that provide a characterization of airway obstructions.
Owner:TRUSTEES OF TUFTS COLLEGETHE
Vestibular stimulation system and method
InactiveUS20040215236A1Augmenting or controlling a patient's natural respiratory functionImprovement effortsInternal electrodesExternal electrodesSleep inductionControl unit
Owner:RIC INVESTMENTS LLC
Ventilatory assist system and methods to improve respiratory function
ActiveUS20080125828A1Supporting the respiration of patientsIncrease volumeRespiratorsSpinal electrodesPositive pressureThoracic cavity
Systems and methods are provided to improve respiratory function. Systems include an external electrical stimulator coupled to electrodes that stimulates diaphragm contraction and may optionally include a positive pressure mechanical ventilator. The system further includes an electrode suitable for temporary implantation. Electrical stimulation is provided to specific portions of the diaphragm, such as one hemidiaphragm preferentially over another. By preferentially contracting one hemidiaphragm, a specific portion of a lung may be expanded, such as a posterior portion. By the provision of the negative intrathoracic pressure from diaphragm contraction, greater expansion of specific portion of lung is achieved in relationship to air pressure within the lung, thereby improving compliance. Supplementation of stimulated diaphragm contraction with positive pressure driven air flow from a PPMV directs the air flow to specific portions of the lung. Such portion may include a posterior portion of a lung, and may cause a clearing of atelectasis in that portion.
Owner:SYNAPSE BIOMEDICAL INC
Health monitoring
ActiveUS10049182B2Reduce local power demandMinimiseElectrocardiographySensorsEcg signalCardiac monitoring
Health monitoring devices allow for monitoring of the vital signs of a subject. Wireless devices can enable a subject's cardiac and / or respiratory functions to be monitored remotely, e.g. without the subject being attached to bedside equipment. A cardiac monitoring device may include a substrate, electrodes for measuring ECG signals, and an electronics module including a data processor and a wireless transmitter. The electronics module is sealed within the substrate and arranged to receive the measured ECG signals. Each ECG signal associated with a heartbeat is processed in the data processor to provide key data relating to that heartbeat. The key data may include the temporal position of a characteristic feature in the ECG signal. The key data is provided to the wireless transmitter for transmission.
Owner:ISANSYS LIFECARE
Detection of signs of attempted deception and other emotional stresses by detecting changes in weight distribution of a standing or sitting person
Non-obtrusive monitoring apparatus for detecting the emotional stress of attempted deception by a standing or seated subject. The apparatus has sensors for measuring parameters of posture, sway, weight distribution, cardiac function, and respiratory function, and outputs computer-readable data for processing and reporting. Also disclosed are: systems for synchronizing output data with information about questions asked of the subject as well as other interrogation stimuli administered to the subject; and systems for analyzing the output data and interrogation stimuli to identify patterns indicating heightened anxiety.
Owner:ATLAS DAN +1
Method for using a non-invasive cardiac and respiratory monitoring system
InactiveUS20090048500A1Diagnostics using lightOrgan movement/changes detectionSonificationNon invasive
A non-invasive monitoring system using radiated energy to identify cardiac and respiratory waveforms in patients is discussed. The monitoring system illuminates a subject in radiated energy and then detects the reflected radiated energy caused by respiratory and / or cardiac functions. The detected reflections are used to plot a two-dimensional waveform. The waveforms represent the rise and fall of a detected signal (the reflected energy) over time and are indicative of the small movements of the patient's chest and abdomen that are associated with cardiac and respiratory function. Different implementations of the monitoring system use laser or ultrasonic energy to capture breathing and cardiac waveforms for analysis. The waveforms may be used to diagnose the effectiveness of prescribed sleep medication, perform remote line of sight monitoring from a remote location, identify crying waveforms for babies and infants, identify cardiac waveforms in a non-invasive manner and identify seizure and tremor activity.
Owner:ENGINEERED VIGILANCE
Ventilatory assist system and methods to improve respiratory function
ActiveUS20070265611A1Improving respiratory complianceIncrease tidal volumeSpinal electrodesSurgical instruments for heatingPositive pressureThoracic cavity
Systems and methods are provided to improve respiratory function. Systems include an external electrical stimulator coupled to electrodes that stimulates diaphragm contraction and may optionally include a positive pressure mechanical ventilator. The system further includes an electrode suitable for temporary implantation. Electrical stimulation is provided to specific portions of the diaphragm, such as one hemidiaphragm preferentially over another. By preferentially contracting one hemidiaphragm, a specific portion of a lung may be expanded, such as a posterior portion. By the provision of the negative intrathoracic pressure from diaphragm contraction, greater expansion of specific portion of lung is achieved in relationship to air pressure within the lung, thereby improving compliance. Supplementation of stimulated diaphragm contraction with positive pressure driven air flow from a PPMV directs the air flow to specific portions of the lung. Such portion may include a posterior portion of a lung, and may cause a clearing of atelectasis in that portion.
Owner:SYNAPSE BIOMEDICAL INC
Method for improving respiratory function and inhibiting muscular degeneration
InactiveUS7071194B2Improve respiratory functionInhibiting muscular degenerationBiocideAmmonia active ingredientsAtrophyNeuron death
The present invention provides a method for improving respiratory function and inhibiting muscular degeneration (e.g., dystrophy and atrophy). Alternative embodiments of the invention provide a method of inhibiting motor neuron apoptosis and the subsequent muscular degeneration associated with the denervation of muscular tissue resulting from neuron death.
Owner:CHILDRENS MEDICAL CENT CORP
Minute ventilation estimation based on depth maps
InactiveUS20130324830A1Early detectionEffective toolImage enhancementImage analysisInfant CareNeonatal intensive care unit
What is disclosed is a system and method for estimating minute ventilation by analyzing distortions in reflections of structured illumination patterns captured in a video of a thoracic region of a subject of interest being monitored for respiratory function. Measurement readings can be acquired in a few seconds under a diverse set of lighting conditions and provide a non-contact approach to patient respiratory function that is particularly useful for infant care in an intensive care unit (ICU), sleep studies, and can aid in the early detection of sudden deterioration of physiological conditions due to detectable changes in chest volume. The systems and methods disclosed herein provide an effective tool for non-contact minute ventilation estimation and respiratory function analysis.
Owner:XEROX CORP
Method for improving respiratory function and inhibiting muscular degeneration
InactiveUS20060258667A1Improve respiratory functionPrevent degradationOrganic active ingredientsBiocideAtrophyNeuron death
The present invention provides a method for improving respiratory function and inhibiting muscular degeneration (e.g., dystrophy and atrophy). Alternative embodiments of the invention provide a method of inhibiting motor neuron apoptosis and the subsequent muscular degeneration associated with the denervation of muscular tissue resulting from neuron death.
Owner:TENG YANG D
Respiratory function estimation from a 2D monocular video
What is disclosed is a system and method for processing a video acquired using a 2D monocular video camera system to assess respiratory function of a subject of interest. In various embodiments hereof, respiration-related video signals are obtained from a temporal sequence of 3D surface maps that have been reconstructed based on an amount of distortion detected in a pattern placed over the subject's thoracic region (chest area) during video acquisition relative to known spatial characteristics of an undistorted reference pattern. Volume data and frequency information are obtained from the processed video signals to estimate chest volume and respiration rate. Other respiratory function estimations of the subject in the video can also be derived. The obtained estimations are communicated to a medical professional for assessment. The teachings hereof find their uses in settings where it is desirable to assess patient respiratory function in a non-contact, remote sensing environment.
Owner:XEROX CORP
Method of improving sleep disordered breathing
ActiveUS8478412B2ElectrotherapyDiagnostic recording/measuringSleep disordered breathingSommeil paradoxal
A diaphragm pacing stimulatory method and a system to implement the method are provided to improve respiratory function and the quality of sleep in patients whose sleep is compromised by poor respiration. The diaphragm pacing method includes adaptations that make it particularly compatible with the onset of sleep and sustaining sleep. Embodiments of the method are operated independently of breathing effort the patient may make during sleep. Patients for whom the invention is appropriate include those with a neuromuscular disease, such as amyotrophic lateral sclerosis (ALS). System elements include an external electrical stimulator coupled to one or more implanted electrodes that stimulate diaphragm contraction. The system and method provide for a pacing of the diaphragm, improved breathing, and improved sleep. Features of improved sleep include longer sleep time, an increased amount of REM sleep, and fewer episodes of wakefulness and restlessness.
Owner:SYNAPSE BIOMEDICAL INC
Processing a video for tidal chest volume estimation
ActiveUS20130324876A1Early detection of sudden deteriorationRespiratory organ evaluationSensorsInfant Care3d surfaces
What is disclosed is a system and method for estimating tidal chest volume using 3D surface reconstruction based on an analysis of captured reflections of structured illumination patterns from the subject with a video camera. The imaging system hereof captures the reflection of the light patterns from a target area of the subject's thoracic region. The captured information produces a depth map and a volume is estimated from the resulting 3D map. The teachings hereof provide a non-contact approach to patient respiration monitoring that is particularly useful for infant care in a neo-natal intensive care unit (NICU), and can aid in the early detection of sudden deterioration of physiological condition due to detectable changes in respiratory function. The systems and methods disclosed herein provide an effective tool for tidal chest volume study and respiratory function analysis.
Owner:XEROX CORP
Breathing pattern identification for respiratory function assessment
InactiveUS20150094606A1Medical imagingDiagnostics using spectroscopyIneffective breathing patternDepth map
What is disclosed is a system and method for identifying a patient's breathing pattern for respiratory function assessment without contact and with a depth-capable imaging system. In one embodiment, a time-varying sequence of depth maps are received of a target region of a subject of interest over a period of inspiration and expiration. Once received, the depth maps are processed to obtain a breathing signal for the subject. The subject's breathing signal comprises a temporal sequence of instantaneous volumes. One or more segments of the subject's breathing signal are then compared against one or more reference breathing signals each associated with a known pattern of breathing. As a result of the comparison, a breathing pattern for the subject is identified. The identified breathing pattern is then used to assess the subject's respiratory function. The teachings hereof find their uses in an array of diverse medical applications. Various embodiments are disclosed.
Owner:XEROX CORP
Sleep respiratory function monitoring system based on infrared radiation detection
The invention discloses a sleep respiratory function monitoring system based on infrared radiation detection. The sleep respiratory function monitoring system comprises a planar array infrared non-contact sensor, a multichannel A / D (analog to digital) converter, a data collection processing FPGA (field programmable gate array), a data processing analysis DSP (digital signal processor) and a data communication unit. The invention provides the non-contact infrared sleep respiratory function monitoring system for the first time, the discomfort caused by constraint on leading cadres or special crowds (such as burn patients) by the existing contact type monitoring means is changed, and the remote non-contact monitoring is realized. The remote non-contact respiratory rate and respiratory depth monitoring on special patients who are not suitable for wear a sensor is provided for the first time.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
Method of improving sleep disordered breathing
ActiveUS20090118785A1Improve sleepingElectrotherapySurgerySleep disordered breathingSommeil paradoxal
A diaphragm pacing stimulatory method and a system to implement the method are provided to improve respiratory function and the quality of sleep in patients whose sleep is compromised by poor respiration. The diaphragm pacing method includes adaptations that make it particularly compatible with the onset of sleep and sustaining sleep. Embodiments of the method are operated independently of breathing effort the patient may make during sleep. Patients for whom the invention is appropriate include those with a neuromuscular disease, such as amyotrophic lateral sclerosis (ALS). System elements include an external electrical stimulator coupled to one or more implanted electrodes that stimulate diaphragm contraction. The system and method provide for a pacing of the diaphragm, improved breathing, and improved sleep. Features of improved sleep include longer sleep time, an increased amount of REM sleep, and fewer episodes of wakefulness and restlessness.
Owner:SYNAPSE BIOMEDICAL INC
Minute ventilation estimation based on depth maps
InactiveUS8971985B2Early detectionEffective toolImage enhancementImage analysisInfant CareNeonatal intensive care unit
Owner:XEROX CORP
Apparatus and method for continuous noninvasive measurement of respiratory function and events
ActiveUS9002427B2Prevent corruptionNoise minimizationRespiratory organ evaluationSensorsContinuous measurementRadar systems
Owner:LIFEWAVE BIOMEDICAL
Nebulizer optimal for patient at home care
InactiveUS20080004540A1Efficient and optimal serviceRespiratorsData processing applicationsPatient BaseDrug packaging
A nebulizer includes a peak flow meter measuring the respiratory function of a patient and a nebulizer as an inhaler of a liquid medicine. The patient blows in the breath from a peak flow meter blow-in section of the nebulizer into the peak flow meter to measure the respiratory function. Further, the patient inhales the liquid medicine in a liquid medicine bottle inserted into a liquid medicine bottle insert opening from a nebulizer inhale opening. Simultaneously, outer air measurement is performed with a temperature sensor and a humidity sensor of the nebulizer. Such measurement data and inhale recording data are transmitted to a server from an external connection. Thus, a health site of the patient based on the data is opened on a network. The patient can obtain appropriate advice from a doctor, and a liquid medicine supply from a service provider at appropriate timing.
Owner:ORMON CORP
Respiratory function estimation from a 2d monocular video
ActiveUS20140142435A1Readily apparentRespiratory organ evaluationSensorsThoracic regionReference patterns
What is disclosed is a system and method for processing a video acquired using a 2D monocular video camera system to assess respiratory function of a subject of interest. In various embodiments hereof, respiration-related video signals are obtained from a temporal sequence of 3D surface maps that have been reconstructed based on an amount of distortion detected in a pattern placed over the subject's thoracic region (chest area) during video acquisition relative to known spatial characteristics of an undistorted reference pattern. Volume data and frequency information are obtained from the processed video signals to estimate chest volume and respiration rate. Other respiratory function estimations of the subject in the video can also be derived. The obtained estimations are communicated to a medical professional for assessment. The teachings hereof find their uses in settings where it is desirable to assess patient respiratory function in a non-contact, remote sensing environment.
Owner:XEROX CORP
Processing a video for respiration rate estimation
Owner:XEROX CORP
Breathing pattern identification for respiratory function assessment
What is disclosed is a system and method for identifying a patient's breathing pattern for respiratory function assessment without contact and with a depth-capable imaging system. In one embodiment, a time-varying sequence of depth maps are received of a target region of a subject of interest over a period of inspiration and expiration. Once received, the depth maps are processed to obtain a breathing signal for the subject. The subject's breathing signal comprises a temporal sequence of instantaneous volumes. One or more segments of the subject's breathing signal are then compared against one or more reference breathing signals each associated with a known pattern of breathing. As a result of the comparison, a breathing pattern for the subject is identified. The identified breathing pattern is then used to assess the subject's respiratory function. The teachings hereof find their uses in an array of diverse medical applications. Various embodiments are disclosed.
Owner:XEROX CORP
Processing a video for tidal chest volume estimation
ActiveUS9226691B2Early detection of sudden deteriorationRespiratory organ evaluationSensorsInfant Care3d surfaces
What is disclosed is a system and method for estimating tidal chest volume using 3D surface reconstruction based on an analysis of captured reflections of structured illumination patterns from the subject with a video camera. The imaging system hereof captures the reflection of the light patterns from a target area of the subject's thoracic region. The captured information produces a depth map and a volume is estimated from the resulting 3D map. The teachings hereof provide a non-contact approach to patient respiration monitoring that is particularly useful for infant care in a neo-natal intensive care unit (NICU), and can aid in the early detection of sudden deterioration of physiological condition due to detectable changes in respiratory function. The systems and methods disclosed herein provide an effective tool for tidal chest volume study and respiratory function analysis.
Owner:XEROX CORP
Determining a respiratory pattern from a video of a subject
What is disclosed is a system and method for determining a subject's respiratory pattern from a video of that subject. One embodiment involves receiving a video comprising N≧2 time-sequential image frames of a region of interest (ROI) of a subject where a signal corresponding to the subject's respiratory function can be registered by at least one imaging channel of a video imaging device. The ROI comprises P pixels. Time-series signals of duration N are generated from pixels isolated in the ROI. Features are extracted from the time-series signals and formed into P-number of M-dimensional vectors. The feature vectors are clustered into K clusters. The time-series signals corresponding to pixels represented by the feature vectors in each cluster are averaged along a temporal direction to obtain a representative signal for each cluster. One of the clusters is selected. A respiratory pattern is determined for the subject based on the representative signal.
Owner:XEROX CORP
Non-invasive restrained whole body plethysmography for measurement of airway function in conscious mice
InactiveUS20060278218A1Promote sportsRespiratorsBreathing masksDocking stationWhole Body Plethysmography
A restrained whole body plethysmography apparatus for measurement of airway hyper-responsiveness in conscious mice includes an outer chamber, a removable restraint chamber positioned in the outer chamber, a removable docking station in the outer chamber. The removable restraint chamber and the removable docking station interconnect to restrain a mouse in the outer chamber. The restrained whole body plethysmography further includes a first sensor for measuring a first parameter related to respiratory function in the mouse and a second sensor for measuring a second parameter related to respiratory function in the mouse. In a first mode, the outer chamber is substantially sealed such that the apparatus measures pressure, and in a second mode, the outer chamber has a leak such that the apparatus is used to measure flow.
Owner:TUFTS UNIV
Device for acoustically reproducing the respiratory function for a respirator
InactiveUS20070208267A1Improve respiratory functionEasy detectionRespiratorsRespiratory organ evaluationRespiratorMedicine
A device is provided for acoustically reproducing the respiratory function for a respirator, with a patient respiration circuit. The device has a noise generator, a volume flow sensor device, which determines the volume flow in the patient respiration circuit and generates an electric signal representing the volume flow, and a volume flow evaluating unit, which is set up to pick up the volume flow signal and to generate a control signal for the noise generator as a function of this in such a way that an acoustic signal with a loudness rising (falling) with rising (falling) volume flow is generated. To optimize the loudness of the acoustic signal, a microphone and an evaluating unit connected thereto are provided, which said evaluating unit is set up to generate at least a first measure for the instantaneous ambient noise level on the basis of the microphone signal by averaging over at least one period of time and to increase (reduce) the loudness of the acoustic signal with rising (falling) ambient noise level as a preset monotonic function of the at least one measure.
Owner:DRAGERWERK AG
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