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7567831 |
Respiratory measurement system and method related thereto
A respiratory measurement system and a method for measuring respiratory motion are provided. The system includes a strapping device that is configured to be placed across a chest of a person. The...
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7491174 |
Device and method for performing electrical impedance tomography
A system for performing electrical impedance tomography. The system includes a first set of electrodes positioned in a first plane and a second set of electrodes positioned in a second plane. The...
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7435226 |
Method and apparatus for displaying information obtained by electrical impedance tomography data
The invention refers to a method and an apparatus for displaying information obtained by electrical impedance tomography (EIT) data from a part of a patient's body. In order to provide a method for...
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7357775 |
System and method for providing demand-based Cheyne-Stokes Respiration therapy using an implantable medical device
Techniques are provided for controlling therapy delivered in response to Cheyne-Stokes Respiration (CSR) or other forms of periodic breathing in an effort to reduce the likelihood of unnecessary...
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7261697 |
Apparatus for determination of stroke volume using the brachial artery
Provided herein are methods and apparatus for stroke volume determination by bioimpedance from a patient's upper arm, or brachium, utilizing pulsations of the brachial artery contained therein. The...
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7207947 |
System and method for detecting circadian states using an implantable medical device
Techniques are provided for detecting the circadian state of a patient using an implantable medical device based on selected blood carbon dioxide (CO 2 ) parameters. In one example, the implantable...
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7122010 |
Method and apparatus for determining alveolar opening and closing
The invention refers to a method for the regional determination of the alveolar opening and alveolar closing of the lung depending on the respiration pressure, wherein according to the method of...
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7071820 |
Wireless patient ambulation motion detector and second call system
A patient ambulation motion detector designed to be worn on the body. The detector incorporates a wireless transmitter, a motion sensor switch and a second call switch. It may be enclosed in a...
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6830548 |
Active medical device able to diagnose a patient respiratory profile
An active medical device to diagnose a patient respiratory profile. This device is able to measure respiratory activity and deliver a signal ( 26 ) representative of the periodicity and amplitude...
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6773404 |
Discriminating between an awake phase and a sleep phase of a patient in an active implantable medical device
An active medical device having an improved discrimination between an awake phase of a patient and a sleep phase of a patient. This device measures a physiological parameter of a patient, delivers...
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6752765 |
Method and apparatus for monitoring heart rate and abnormal respiration
An implantable device having enhanced capabilities for monitoring a patient's heart rate and respiration trends over extended periods of time is disclosed. The information collected by the...
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6702755 |
Signal processing circuit for pyro/piezo transducer
An adapter for interfacing a pyro/piezo sensor to a polysomnograph machine comprises a differential input amplifier coupled to receive the raw transducer signals from a PVDF film transducer to...
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6641542 |
Method and apparatus to detect and treat sleep respiratory events
The present invention provides a method and apparatus for detecting and treating sleep respiratory events that includes a plurality of sensors gathering physiological data related to sleep...
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6561986 |
Method and apparatus for hemodynamic assessment including fiducial point detection
An improved method and apparatus for non-invasively assessing one or more hemodynamic parameters associated with the circulatory system of a living organism. In one exemplary embodiment, the...
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6551252 |
Systems and methods for ambulatory monitoring of physiological signs
The present invention relates to the field of ambulatory and non-invasive monitoring of a plurality of physiological parameters of a monitored individual. The invention includes a physiological...
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6522914 |
Method and apparatuses for monitoring hemodynamic activities using an intracardiac impedance-derived parameter
An intracardiac impedance-derived parameter, Half Cycle Activity (HCA) is used in sensing and controlling cardiac activities in implantable cardiac devices such as bradycardia pacemakers and...
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6392555 |
Medical equipment warning device
The medical equipment warning device is employed in combination with a power operated medical treatment machine such as a sleep apnea treatment machine. The warning device includes a DC relay with...
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6341229 |
Wearable apron for use in egg and other medical tests
Disclosed is a wearable multifunctional examination apron for use in ECG and other medical tests. The apron includes a number of ECG electrodes for performing ECG tests, and a number of microphones...
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6308705 |
Integrated lung therapy method
In a lung therapy method, hyperpolarized gas is administered for one breath to a subject, and a magnetic resonance scan of at least one lung of the subject is conducted. The data obtained from the...
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6015389 |
Impedance pneumography
The invention concerns a method and apparatus for monitoring respiratory condition by impedance pneumography. An electrical signal is applied at a plurality of frequencies to a human subject by way...
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5957861 |
Impedance monitor for discerning edema through evaluation of respiratory rate
An impedance monitor for discerning edema through evaluation of respiratory rate. Preferred embodiment includes edema monitor and trigger to initiate diagnostic reporting or corrective action when...
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5928156 |
Process and device for the automatic detection of abnormal breathing sounds
A process and a device for automatically detecting an abnormal respiratory ound permits a continuous and stress-free registration of abnormal respiratory sounds of a test person under normal life...
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5879308 |
Procedure for measuring a patient's impedance
The present invention relates to a procedure for measuring a patient's impedance. Based on the impedance, it is possible to monitor the patient's respiration and/or blood circulation. In the...
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5864291 |
Breathing monitor with isolating coupler
A breathing monitor for detecting SIDS in infants caused by apnea or the like includes an enclosure which is applied to a baby's torso with a strap. The enclosure is supported by and isolated from...
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5857459 |
Boxless measurement of thoracic gas volume
A portable apparatus for measuring the thoracic lung volume of a patient without enclosing the patient in a sealed chamber, comprising first and second impedance belts, a flow meter, shutter and a...
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5792068 |
Medical monitor with failure protection
An apparatus for and method of monitoring respiration of a patient using impedance changes of the body to indicate respiration events. The impedance changes are measured by applying a carrier...
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5623938 |
Method and apparatus for respiration monitoring
An apparatus for monitoring the expansion and contraction of the thoracic cavity of a patient caused by respirations comprises, generating means for generating an AC examination current signal,...
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5615688 |
Apnea detection device with a remote monitor
An apnea detection device with a remote monitor comprising a transmitter housing having a first portion and a second portion. The second portion has an unbiased contracted orientation with the...
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5469859 |
Non-invasive method and device for collecting measurements representing body activity and determining cardiorespiratory parameters of the human body based upon the measurements collected
A medical device, utilizing a non-invasive method for determining the main cardiorespiratory parameters of a patient's body, and employing a method of operation wherein two or four electrodes are...
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5335666 |
Medical monitor with input regulation
An apparatus for and method of monitoring respiration of a patient using impedance changes of the body to indicate respiration events. Cardiac related artifacts are suppressed by separately...
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5170794 |
Method and apparatus for deriving a respiration signal and/or artifact signal from a physiological signal
A method for deriving a respiration signal and/or a cardiac artifact signal from a physiological signal, in particular an impedance pneumography signal, includes detection of a heartbeat moment,...
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5063937 |
Multiple frequency bio-impedance measurement system
The multiple frequency impedance measurement system of the present invention permits noninvasive examination of living tissue at any one of a plurality of frequencies. Precise frequency control is...
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5050614 |
Apparatus and method for inspiration detection
An apparatus and method for detecting patient inspiration is provided. It includes means for providing a baseline level for the patient's respiration signal and for establishing a trigger level...
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5020541 |
Apparatus for sensing lead and transthoracic impedances
A method and apparatus for use with medical electrode systems that sense the integrity of lead connections and patient transthoracic impedance is provided. In an ECG electrode application, a...
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4984158 |
Metered dose inhaler biofeedback training and evaluation system
A visual and auditory biofeedback system instructs patients in proper techniques of inhalation to administer aerosol drugs with Metered Dose Inhaler (MDI) devices. The system displays desired...
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4919145 |
Method and apparatus for sensing lead and transthoracic impedances
A method and apparatus for use with medical electrode systems that sense the integrity of lead connections and patient transthoracic impedance is provided. In an ECG electrode application, a...
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4919136 |
Ventilation controlled rate responsive cardiac pacemaker
The rate of pacing pulses in a rate responsive pacemaker is controlled from data representing respiration characteristics in a patient detected by intracardiac impedance measurements for more...
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4867152 |
Respiratory therapy apparatus with selective display of parameter set points
Respiratory therapy apparatus is provided with setting elements such as knobs for inputting set values for various parameters. A digital display is provided for showing measured values of...
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4827935 |
Demand electroventilator
A demand electroventilator for monitoring and stimulating the respiration of a patient operates in a manner analogous to the operation of a demand cardiac pacemaker for monitoring and stimultating...
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4803997 |
Medical monitor
An apnea monitor employs dual detectors for determining patient breaths while rejecting cardiac artifacts. The first detector examines a respiration signal at a first sensitivity for apparent...
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4790318 |
Cardiac pacer for pacing a human heart
A cardiac pacer which generates pacing pulses at a predetermined pacing rate, includes a device for generating an alternating signal which is unable to pace the heart. The pacing pulses and the...
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4781201 |
Cardiovascular artifact filter
For suppressing cardiovascular artifact from a respiration signal derived from a patient's transthoracic impedance, an adaptive filtering device determines the patient's heart rate, converts the...
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4757824 |
Method and apparatus for monitoring respiration
A method and an apparatus are provided for monitoring waveforms representing the respiration of a patient and for detecting waveforms having characteristics indicative of apnea. The method...
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4708146 |
Apparatus and method for impedance pneumography
An apparatus and method for monitoring the expansion and contraction of the thoracic cavity during respiration is disclosed. A constant current carrier is passed through the thorax of a patient...
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4686999 |
Multi-channel ventilation monitor and method
The ventilation monitor of this invention includes a plurality of discrete sensors and a plurality of independent channels for processing the input signals from each of the discrete sensors. The...
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4619265 |
Interactive portable defibrillator including ECG detection circuit
A portable, interactive medical electronic device exemplified by a defibrillator. The device obtains information about a patient's condition, such as ECG and transthoracic impedance data, directly...
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4596251 |
Minute ventilation dependent rate responsive pacer
An electronic circuit included in a pacer detects the impedance between two electrodes connected to it and made up by the conducting part of the pacer case (B) and by an auxiliary subcutaneous lead...
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4580575 |
Apnea monitoring system
Apparatus for monitoring respiration and heartbeat and for processing electrical signals representative thereof, including circuits for developing a phase-shifted and amplitude-offset respiration...
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4576183 |
Electronic circuit for monitoring respiratory parameter for controlling operation of implantable medical device
A low electric energy consumption circuit to detect parameters associated to the patient's respiration, suitable for the realization of implantable devices, such as implantable and physiologic...
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4492279 |
Infant health monitoring system
A scale for weighing infants using four cantilever beams supporting a platform with a strain gauge on each beam. The strain gauges are connected in a Wheatstone bridge circuit to provide a voltage...
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