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| Number | Title | Issue Date |
| 7744542 | Implanted air passage sensors A physiological sensor is located within the airway of the subject's body, such as for measuring barometric pressure and communicating this value to a blood pressure or other monitoring device, which can derive gauge pressure using the barometric pressure and a meas... | 06/29/2010 |
| 7736320 | Self-condensing pH sensor and catheter apparatus The present invention is a system for monitoring a patient's breath chemistry comprising a plurality of components, including a self-condensing pH sensor distally mounted on a catheter, a transmitter with hydration sensing circuitry for the pH sensor, and, a process... | 06/15/2010 |
| 7727160 | Ventilator patient synchronization A method and apparatus that provides an expert system for determining respiratory phase during ventilatory support of a subject. Discrete phase states are partitioned and prior probability functions and observed probability functions for each state are defined. The ... | 06/01/2010 |
| 7691070 | Apparatus for monitoring the presence of secretions in the respiratory system of a patient An apparatus for monitoring the presence of secretions in an artificial respiratory system comprises at least one sensing element (20) to detect waves generated by said secretions and output a main signal (50), representative of at least one main param... | 04/06/2010 |
| 7678061 | System and method for characterizing patient respiration Patient respiration may be characterized using a marked respiration waveform involving a respiration waveform annotated with symbols, markers or other indicators representing one or more respiration characteristics. A respiration waveform may be acquired by sensing ... | 03/16/2010 |
| 7662105 | Systems and methods for determining respiration metrics Systems, devices and methods provide for acquiring respiration information. A respiration information device includes timer circuitry to time a plurality of shorter time apertures and a plurality of longer time apertures. A respiration sensor, which may be implement... | 02/16/2010 |
| 7608047 | Reusable snore/air flow sensor A sensor for use with a polysomnograph in a sleep lab setting is made reusable by laminating a PVDF film and associated lead contacts within a flexible, moisture-impervious plastic envelope that is hermetically sealed about its periphery. Lead terminals within the e... | 10/27/2009 |
| 7588543 | Method and apparatus for predicting work of breathing A method of creating a non-invasive predictor of both physiologic and imposed patient effort from airway pressure and flow sensors attached to the patient using an adaptive mathematical model. The patient effort is commonly measured via work of breathing, power of b... | 09/15/2009 |
| 7559902 | Physiological monitoring garment A physiological monitoring garment includes first and second elastic fabric portions. An elongate stretchable textile data/power bus is disposed between the first and second elastic fabric portions. The elongate stretchable textile data/power bus includes a pluralit... | 07/14/2009 |
| 7553286 | Real-time monitoring of the state of the autonomous nervous system of a patient The invention relates to a method and arrangement for monitoring the state of the autonomous nervous system (ANS) of a patient. A first measurement signal is acquired from a patient, the first measurement signal representing a physiological signal measured from the ... | 06/30/2009 |
| 7524292 | Method and apparatus for detecting respiratory disturbances A system and method for monitoring respiration including sensing a signal that varies with respiration, deriving a respiration parameter, applying criteria for detecting a respiration disturbance and determining one or more respiratory disturbance metrics. The syste... | 04/28/2009 |
| 7520861 | Method and apparatus for displaying body sounds and performing diagnosis based on body sound analysis A lung sound diagnostic system for use in collecting, organizing and analyzing lung sounds associated with the inspiration(s) and expiration(s) of a patient. The system includes a plurality of transducers that may be placed at various sites around the patient's ches... | 04/21/2009 |
| 7517320 | Airway bypass site selection and treatment planning The invention relates to systems and methods for site selection and placement of extra-anatomic passages altering gaseous flow in a diseased lung. ... | 04/14/2009 |
| 7479114 | Determining blood gas saturation based on measured parameter of respiration Systems and methods provide for determining blood gas saturation based on one or more measured respiration parameters. A parameter of respiration is measured implantably over a duration of time. The measured respiratory parameter is associated with a blood gas satur... | 01/20/2009 |
| 7479115 | Computer aided diagnosis of lung disease A method and apparatus by which lung deceases are identified uses computer analysis of sound signals that are picked up from various locations on the chest walls of a subject by a modified stethoscope. The modification includes a small microphone in one of the hoses... | 01/20/2009 |
| 7473228 | System and method for monitoring a respiration rate of an occupant of a predetermined volume An ultrasonic sensing system includes an ultrasonic transmitter, an ultrasonic receiver, a processor and a memory subsystem. The transmitter is positioned to transmit an ultrasonic signal into a predetermined volume. The receiver is positioned to receive a composite... | 01/06/2009 |
| 7468040 | Methods and systems for implantably monitoring external breathing therapy An implantable device is used to monitor one or more conditions associated with an external breathing therapy delivered to the patient. The device may monitor therapy parameters including therapy effectiveness, impact of the therapy on the patient, therapy usage, co... | 12/23/2008 |
| 7438686 | Apparatus and method for monitoring for disordered breathing The present invention relates to a device and method for monitoring for sleep disordered breathing or other types of disordered breathing such as Cheyne-Stokes breathing. More specifically, a device and method for detecting disordered breathing is provided that moni... | 10/21/2008 |
| 7438690 | Peak expiratory flow meter capable of measuring continuous expiratory flow signal Disclosed herein is a peak expiratory flow meter capable of measuring continuous expiratory flow. The peak expiratory flow meter includes a lower casing unit (110), an air expansion unit (130) and an upper casing unit (150). The lower casing uni... | 10/21/2008 |
| 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 displaying information which can be immediately used in order to det... | 10/14/2008 |
| 7435221 | System and method for detecting abnormal respiration based on intracardiac electrogram signals using a pattern recognition device Techniques are provided for detecting abnormal respiration within a patient based upon intracardiac electrogram (IEGM) signals or other electrical cardiac signals. Briefly, abnormal respiration is detected using a pattern recognition trained to discriminate normal a... | 10/14/2008 |
| 7431700 | Body movement and respiration monitor A monitor which can detect respiration of a sleeping person without being affected by the attitude of the sleeping person or the indoor illumination light and can easily evaluate detected respiration quantitatively through image measurement. The monitor comprises me... | 10/07/2008 |
| 7429247 | Sleep state estimating device and program product A sleep state of a subject is estimated from respiration signals that are readily detected without restraining the subject. From a voltage waveform based on respiratory movement of a person, positive peak values and the (time) interval between adjacent peaks are cal... | 09/30/2008 |
| 7427269 | Accurate method to characterize airway nitric oxide using different breath-hold times including axial diffusion of nitric oxide using heliox and breath hold An apparatus and method to characterize NO gas exchange dynamics in human lungs comprising the steps of: (1) performing a series of breath hold maneuvers of progressively increasingly breath hold times, each breath hold maneuver comprising a) inhaling a gas, b) hold... | 09/23/2008 |
| 7427270 | Sleep stage determination apparatus Disclosed is a sleep stage determination apparatus which comprises respiratory-signal detection means for detecting a variation of a respiratory signal from the body of a human subject, and sleep-stage determination means for determining a plurality of sleep stages ... | 09/23/2008 |
| 7425201 | Method and apparatus for predicting work of breathing A method of creating a non-invasive predictor of both physiologic and imposed patient effort from airway pressure and flow sensors attached to the patient using an adaptive mathematical model. The patient effort is commonly measured via work of breathing, power of b... | 09/16/2008 |
| 7421882 | Breath-based sensors for non-invasive molecular detection A method of diagnosing the health of an individual by collecting a breath sample from the individual and measuring the amount of each of a plurality of analytes in the sample. The amount of each analytes is measured by fitting a time response curve of a sample-evalu... | 09/09/2008 |
| RE40470 | Body function measuring apparatus Body function measuring apparatus which provides: (1) an indication of the body function being measured, and (2) a loose probe condition by determining that the difference between the rate of change of a first body function signal, developed by a first sensor in the... | 08/26/2008 |
| 7413549 | Detecting and quantifying apnea using ventilatory cycle histograms Subject matter includes methods and devices for detecting and quantifying apnea. One exemplary implementation includes deriving a ventilation related parameter in real-time from a patient, deriving apneic intervals based on the parameter, distributing the apneic int... | 08/19/2008 |
| 7404799 | System and method for detection of respiration patterns via integration of intracardiac electrogram signals Techniques are provided for tracking patient respiration based upon intracardiac electrogram signals or other electrical cardiac signals. Briefly, respiration patterns are detected by integrating cardiac electrical signals corresponding to individual paced cardiac c... | 07/29/2008 |
| 7402139 | Appliance for the oscillometric analysis of the impedance of the respiratory tract An apparatus for determining the impedance (Zaw) of a patient's respiratory tract, by measuring the alternating pressure (dp) in the region of the patient's mouth after producing an oscillating air pressure signal, includes a mouthpiece, an electroacousti... | 07/22/2008 |
| 7396333 | Prediction of disordered breathing An approach for predicting disordered breathing involves detecting one or more conditions associated with disordered breathing. The detected conditions are compared to disordered breathing prediction criteria. A prediction of disordered breathing is performed based ... | 07/08/2008 |
| 7398115 | Pulse oximetry relational alarm system for early recognition of instability and catastrophic occurrences A relational pulse oximetry alarm system and method is presented for earlier identification of the occurrence of an adverse clinical event. The system includes a pulse oximeter based microprocessor alarm system which provides an alarm based on a relational conformat... | 07/08/2008 |
| 7390305 | Peak flow meter A peak flow meter is described with a body having a sample channel and at least one bypass channel. One of at least two flow range scales may be selected using a flow range selector to adjust the sensitivity of the peak flow meter. A flow range selection indicator p... | 06/24/2008 |
| 7387609 | Method of measuring absolute lung volume based on O/COgas analysis Disclosed herein is a method of measuring an absolute lung volume. In the method, concentrations of oxygen and carbon dioxide gases are measured and analyzed in respiratory gas, consisting of nitrogen (N2), oxygen (O2), and carbon dioxide (CO | 06/17/2008 |
| 7384395 | Detection of congestion from monitoring patient response to a recumbent position Systems and methods obtain information that allows detection of whether a patient suffers from congestion by monitoring a response of the patient to a recumbent position of the patient's body. The patient may be monitored to determine a respiration pattern for a non... | 06/10/2008 |
| 7381189 | Temperature and respiration acquisition apparatus and method A device and method for simultaneously acquiring a temperature and a respiration rate of a patient. In some embodiments of the invention, the device can include a probe, a temperature sensing element coupled to the probe, a disposable cover that can be positioned ov... | 06/03/2008 |
| 7377901 | Apparatus for collection of airway gases The invention relates to an apparatus for collection of airway gases from a subject comprising a first means for producing closure of the velum of the subject, and a second means for collection of the airway gases, wherein the first and second means need not be inte... | 05/27/2008 |
| 7370650 | Gas supply device for sleep apnea An apparatus is provided for controlling air supplied under pressure to a patient suffering from sleep disorders such as apnoea. The apparatus measures and/or calculates the inspiratory air flow, volume and pressure to the airway. Controlled pressurized air is suppl... | 05/13/2008 |
| 7371220 | System and method for real-time apnea/hypopnea detection using an implantable medical system Techniques are provided for detecting the onset of an episode of apnea/hypopnea substantially in real-time. A moving threshold is generated based on recent respiration cycles and differences are accumulated between amplitudes of new respiration cycles and the moving... | 05/13/2008 |
