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Pulse Oximeter patents



      
           
This page is updated frequently with new Pulse Oximeter-related patent applications. Subscribe to the Pulse Oximeter RSS feed to automatically get the update: related Pulse RSS feeds. RSS updates for this page: Pulse Oximeter RSS RSS


Reducing nuisance alarms

Reducing nuisance alarms

Date/App# patent app List of recent Pulse Oximeter-related patents
10/23/14
20140316225
 System and method for detecting vascular contamination by surgical anesthetic using non-invasive ir spectrophotometry patent thumbnailSystem and method for detecting vascular contamination by surgical anesthetic using non-invasive ir spectrophotometry
A system and method for detecting vascular contamination by surgical anesthetic using non-invasive ir spectrophotometry. One embodiment is a method for operating an instrument such as an enhanced pulse oximeter to monitor a patient receiving local anesthetic marked with dye that absorbs infrared light.
10/16/14
20140309507
 Reducing nuisance alarms patent thumbnailReducing nuisance alarms
Embodiments disclosed herein may describe systems and methods for reducing nuisance alarms using probability and/or accuracy of a measured physiological parameter, such as the pulse rate or spo2 measurement generated by a pulse oximeter. Embodiments may include methods for adjusting a predetermined alarm threshold based on the probability distribution of the estimated pulse rate and/or oxygen saturation of a patient's blood..
09/18/14
20140275890
 Systems and methods for sensor calibration in photoplethsymography patent thumbnailSystems and methods for sensor calibration in photoplethsymography
Various methods and systems for obtaining calibration coefficients for pulse oximeter sensors are provided. A method includes passing current through a light emitting element in an oximeter sensor and measuring, utilizing a first voltage sensing lead, a first voltage present at an electrical input of the light emitting element.
09/18/14
20140275886
 Sensor fusion and probabilistic parameter estimation method and apparatus patent thumbnailSensor fusion and probabilistic parameter estimation method and apparatus
A probabilistic digital signal processor using data from multiple instruments is described. Initial probability distribution functions are input to a dynamic state-space model, which operates on state and/or model probability distribution functions to generate a prior probability distribution function, which is input to a probabilistic updater.
09/18/14
20140275881
 Patient monitor as a minimally invasive glucometer patent thumbnailPatient monitor as a minimally invasive glucometer
In an embodiment, a patient monitor, such as a pulse oximeter, functions as a spot check glucometer when in communication with a blood glucose strip reader. In an embodiment, communications between the patient monitor and the strip reader may optionally be encrypted.
09/18/14
20140275874
 System and method for charging a wireless pulse oximeter patent thumbnailSystem and method for charging a wireless pulse oximeter
Methods and systems are provided for recharging a power module of a sensor (e.g., a wireless sensor). The system may include a charging station, which may receive and recharging the power module of the sensor.
09/11/14
20140257062
 Automated assessment of peripheral vascular condition patent thumbnailAutomated assessment of peripheral vascular condition
An automated assessment of a patient's peripheral vascular condition includes using a pulse oximeter to generate at least a perfusion index relative to a limb or digit of the patient. Pressure is applied to the limb or digit, and while increasing or decreasing the pressure, a change in the perfusion index is determined.
09/11/14
20140257060
 Medical monitoring patch device and methods patent thumbnailMedical monitoring patch device and methods
Embodiments described herein may include systems and methods for monitoring physiological parameters of a patient. Specifically, embodiments disclose the use of a generally self-contained pulse oximeter that is small and lightweight, such that it may be comfortably affixed to a patient to provide physiological data pertaining to the patient.
09/11/14
20140254305
 Auto-controlled air-oxygen blender patent thumbnailAuto-controlled air-oxygen blender
A gas mixing apparatus comprising an oxygen input-source, the oxygen input-source further comprising an oxygen sensor, a gas input-source, the gas input further comprises a first gas flow sensor and a combined gas output-source. The gas output source further comprises a second gas flow sensor.
09/04/14
20140249424
 Cardiovascular pulse wave analysis method and system patent thumbnailCardiovascular pulse wave analysis method and system
Factor retrieving is a major approach for pulse wave analysis. Stiffness index and cardiac output are widely used factors for cardiac risk detection.
08/28/14
20140243631
Novel pulse oximeter probes and methods for using the same
Provided according to embodiments of the invention are photoplethysmography probes designed for use on a user's nasal alar. Methods of using such photoplethysmography probes are also provided herein..
07/10/14
20140194712
Digital portable pulse oximeter and battery-powered control method thereof
The present invention relates to a digital portable pulse oximeter and battery-powered control method thereof. The automatic switching of the power supply is achieved by adding a hall circuit, and the data displayed is allowed to always face the users by adding an acceleration sensor to the circuit.
07/10/14
20140194710
Contact lens with integrated pulse oximeter
Apparatus, systems and methods employing a contact lens having a pulse oximetry sensor to detect information indicative of a blood oxygen content and/or pulse rate of a wearer of the contact lens, are provided. In some aspects, a contact lens includes a substrate that forms at least part of a body of the contact lens and a pulse oximetry sensor located on or within the substrate that detects information associated with at least one of blood oxygen content or a pulse rate of a wearer of the contact lens.
07/10/14
20140194708
Contact lens with integrated pulse oximeter
Apparatus, systems and methods employing a contact lens having a pulse oximetry sensor to detect information indicative of a blood oxygen content and/or pulse rate of a wearer of the contact lens, are provided. In some aspects, a contact lens includes a substrate that forms at least part of a body of the contact lens and a pulse oximetry sensor located on or within the substrate that detects information associated with at least one of blood oxygen content or a pulse rate of a wearer of the contact lens.
07/03/14
20140187886
Pulse oximeters and systems and methods for obtaining data therefrom
A tele-health solution promotes patient wellness and reduces healthcare costs while improving patient compliance. To qualify for home oxygen or cpap machines, a user must monitor their blood oxygen saturation (spo2), typically overnight.
07/03/14
20140187884
Systems and methods for ensemble averaging in pulse oximetry
Various methods and systems for ensemble averaging signals in a pulse oximeter are provided. An ensemble averaging method includes receiving an ensemble average signal corresponding to an ensemble average of electromagnetic radiation signals detected from a blood perfused tissue of a patient and receiving a pulse signal corresponding to a pulse detected by the pulse oximeter.
07/03/14
20140187883
Systems and methods for ensemble averaging in pulse oximetry
Various methods and systems for ensemble averaging signals in a pulse oximeter are provided. An ensemble averaging method includes receiving an ensemble average signal corresponding to an ensemble average of electromagnetic radiation signals detected from a blood perfused tissue of a patient and receiving a pulse signal corresponding to a pulse detected by the pulse oximeter.
07/03/14
20140182586
Responders support unit
This portable device, which allows people without medical experience, the ability to support persons in medical distress until more trained persons are available. With the use of audible instruction the user is guided in calling for medical assistance, placement of pulse oximeter and cardiac electrodes.
06/26/14
20140180026
Devices, systems and methods for plethysmographic monitoring at the nose
The present invention relates to novel lip/cheek probes for detection of pulse-based differences in light absorbence across the vascularized tissue of a lip or cheek of a patient. These probes are fabricated to provide signals to estimate arterial oxygen saturation, and/or to obtain other photoplethysmographic data.
06/12/14
20140158132
Methods of monitoring oxygenation by positive end expiratory pressure using photoplethysmography
The present invention relates to novel lip/cheek probes for detection of pulse-based differences in light absorbence across the vascularized tissue of a lip or cheek of a patient. These probes are fabricated to provide signals to estimate arterial oxygen saturation, and/or to obtain other photoplethysmographic data.
06/05/14
20140155713
Devices, systems and methods for plethysmographic monitoring at the nose
The present invention relates to optimized gas supply utilizing photoplethysmography. Flow rate, pressure or amount of gas is adjusted as a function of blood oxygen saturation data, photoplethysmography signals, or both, obtained from the pulse oximeter probe..
06/05/14
20140155704
Methods and systems for respiratory monitoring with photoplethysmography
The present invention relates to optimized gas supply utilizing photoplethysmography. Flow rate, pressure or amount of gas is adjusted as a function of blood oxygen saturation data, photoplethysmography signals, or both, obtained from the pulse oximeter probe..
05/29/14
20140148664
Device and method for assessing regional blood circulation
A method and device related to medicine is provided. The device for assessing regional blood circulation comprises an ultrasonic instrument for measuring blood flow and a pulse oximeter with two light-emitting diodes.
05/01/14
20140116442
Systems, methods, and/or apparatuses for non-invasive monitoring of respiratory parameters in sleep disordered breathing
In certain example embodiments, an air delivery system includes a controllable flow generator operable to generate a supply of pressurized breathable gas to be provided to a patient for treatment and a pulse oximeter. In certain example embodiments, the pulse oximeter is configured to determine, for example, a measure of patient effort during a treatment period and provide a patient effort signal for input to control operation of the flow generator.
04/10/14
20140100434
Pulse oximeter probe-off detector
A processor provides signal quality based limits to a signal strength operating region of a pulse oximeter. These limits are superimposed on the typical gain dependent signal strength limits.
04/03/14
20140094670
Methods and systems for monitoring respiration with photoplethysmography
The present invention relates to novel lip/cheek probes for detection of pulse-based differences in light absorbence across the vascularized tissue of a lip or cheek of a patient. These probes are fabricated to provide signals to estimate arterial oxygen saturation, and/or to obtain other photoplethysmographic data.
03/27/14
20140088387
Digital pulse oximeter with automatic direction-changing function
A digital pulse oximeter with automatic orientation change function, comprising a housing that is configured to clamp a human finger being tested, a display window disposed at outside of and atop the housing, a circuit being disposed within the housing for calculating and analyzing the tested signals, and displaying them in the display window atop the housing via a display, wherein the said circuit has only one control key disposed on the housing, the said circuit allowing the display contents of the display to be always oriented properly for easy reading by connecting with one two-axis or three-axis accelerometer. The digital pulse oximeter of the present invention is featured with small size and convenient operation and can shift from one function to another using only one control key in conjunction with the interface display, thereby increasing the functions of small-sized pulse oximeters.
03/27/14
20140088385
Body-worn pulse oximeter
The invention provides a body-worn system that continuously measures pulse oximetry and blood pressure, along with motion, posture, and activity level, from an ambulatory patient. The system features an oximetry probe that comfortably clips to the base of the patient's thumb, thereby freeing up their fingers for conventional activities in a hospital, such as reading and eating.
03/27/14
20140083426
Systems and methods for controlling a ventilator
A method and system for controlling a ventilator is disclosed. Oxygen saturation values from pulse oximeters may be used to adjust the settings of a ventilator.
01/30/14
20140031652
Selection of ensemble averaging weights for a pulse oximeter based on signal qualtiy metrics
A pulse oximeter system is presently disclosed. The pulse oximeter system includes a processor and circuitry.
12/26/13
20130345531
Non-invasive physiological sensor cover
A sensor cover according to embodiments of the disclosure is capable of being used with a non-invasive physiological sensor, such as a pulse oximetry sensor. Certain embodiments of the sensor cover reduce or eliminate false readings from the sensor when the sensor is not in use, for example, by blocking a light detecting component of a pulse oximeter sensor when the pulse oximeter sensor is active but not in use.
12/19/13
20130338459
System and method for automatic detection of a plurality of spo2 time series pattern types
The disclosed embodiments relate to pulse oximetry. An exemplary pulse oximeter comprises a probe that is adapted to be attached to a body part of a patient to create a signal indicative of an oxygen saturation of blood of the patient, and a processor that is adapted to receive the signal produced by the probe, to calculate an spo2 value based on the signal, to detect a plurality of pattern types of spo2 indicative of pathophysiologic events, and to produce an output indicative of a detected one of the plurality of pattern types..
12/05/13
20130325434
Voice communication device with foreign language translation
Methods and devices for voice communications and foreign language translation are disclosed. One method includes selecting one of a plurality of microphones of an earpiece unit, receiving a selected voice communication of a first language from the selected microphone and translating the selected voice communication from the first language to a second language, the second language different from the first to create a translated voice communication, and transducing the translated voice communication at a speaker within the earpiece unit.
11/21/13
20130311104
Control apparatus and authentication method
A blood pressure meter, a thermometer, and a pulse oximeter are connected to the control apparatus, and the control apparatus includes an input unit configured to wirelessly input information identifying a measurement time and unique information along with the measurement value from the measurement devices, a processing unit configured to store the inputted measurement value and unique information in a memory, and an authentication unit configured to authenticate the measurement device that inputted the measurement value as being the same as a measurement device that inputted a stored measurement value by comparing the unique information with unique information stored along with a measurement value measured prior to the inputted measurement value. Here, the processing unit is configured to store the inputted measurement value in the ease where the authentication succeeds..
11/07/13
20130296672
Noninvasive physiological sensor cover
A sensor cover according to embodiments of the disclosure is capable of being used with a noninvasive physiological sensor, such as a pulse oximetry sensor. Certain embodiments of the sensor cover reduce or eliminate false readings from the sensor when the sensor is not in use, for example, by blocking a light detecting component of a pulse oximeter sensor when the pulse oximeter sensor is active but not in use.
11/07/13
20130296665
Photoplethysmographic device and methods therefore
An optical measurement device and a method for optical measurement are provided. The device comprises an illumination assembly configured to output light to a surface portion of a user for measurement; a detection assembly configured to detect the output light reflected from said surface portion of the user as a signal; an amplifier module coupled to the detection assembly configured to apply a gain to an ac component of the signal; a microcontroller coupled to the detection assembly configured to assess a dc voltage level of the signal; wherein the microcontroller is configured to control the light output at the illumination assembly based on said assessing the dc voltage level; and further wherein the microcontroller is configured to select a gain value for said applying the gain based on said assessing the dc voltage level.
10/17/13
20130275155
Pulse oximeters and systems and methods for obtaining data therefrom
A tele-health solution promotes patient wellness and reduces healthcare costs while improving patient compliance. To qualify for home oxygen or cpap machines, a user must monitor their blood oxygen saturation (spo2), typically overnight.
10/10/13
20130267804
Low power pulse oximeter
A pulse oximeter may reduce power consumption in the absence of overriding conditions. Various sampling mechanisms may be used individually or in combination.
10/10/13
20130267803
Pulse oximeter with internal sterilization and methods
A pulse oximeter is described herein. Specifically, the invention provides a non-invasive optical sensor comprising a hinged housing having a pair of opposed faces and an internal self-sterilizing source..
09/26/13
20130253331
Method and apparatus for estimating pulse rate
A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological parameters being monitored when weighting and averaging a series of measurements.
09/19/13
20130245408
Handheld pulse oximetry system
Embodiments disclosed herein may include a medical device and a method for powering a medical device are disclosed. The medical device may be able to operate independent of a plug-in and a wall socket as a power source by way of a manual power source.
08/08/13
20130204103
Medical device system
The invention provides a medical device system comprising at least two technologies wherein at least one technology is based on bio-impedance measuring and/or at least one technology is based on spectrophotometry measurements wherein software cross analyses the results to assess the homeostasis of an individual. The technologies measure a variety of parameters.
08/01/13
20130197383
System for extracting respiratory rates from a pulse oximeter
Accurate ar method for extracting respiratory rates directly from a pulse oximeter and accurate methods of extracting respiratory rates directly from a pulse oximeter under low signal-to-noise ratio (snr) conditions.. .
07/25/13
20130190581
Automated cchd screening and detection
Automated critical congenital heart defect (“cchd”) screening systems and processes are described. A caregiver may be guided to use a single or dual sensor pulse oximeter to obtain pre- and post-ductal blood oxygenation measurements.
05/30/13
20130137947
Led drive circuit and method for using same
In various embodiments, there is provided an led drive circuit and a method for using the same. Specifically, the present disclosure is directed to an led drive circuit for pulse oximeters.
05/16/13
20130123593
Oximeter ambient light cancellation
A pulse oximeter method and apparatus which provides (1) a notch filter at a distance between a modulation frequency and a common multiple of commonly used power line frequencies (50, 60, 100 and 120) and also (2) a demodulation frequency greater than a highest pulse rate of a person and lower than any harmonic of 50, 60, 100 or 120 hz, to filter ambient light interference, while choosing an optimum demodulation frequency that avoids interference from the notch filter or from harmonics of the line interference. Also, ambient light for any low frequency interference, such as power line interference, is measured both before and after each of the light emitter wavelengths and the average of the ambient light is then subtracted from the detected signal..
05/16/13
20130123592
Systems and methods for determining physiological parameters using measured analyte values
Systems and methods for determining a physiological parameter in a patient are provided. In certain embodiments, a system can include an analyte detection system configured to measure first analyte data in a fluid sample received from a patient, a medical sensor configured to measure second analyte data in the patient, and a processor configured to receive the first analyte data and the second analyte data and to determine a physiological parameter based at least in part on the first analyte data and the second analyte data.
04/18/13
20130096405
Fingertip pulse oximeter
The disclosure relates to finger pulse oximetry sensors configurations including, for example, removable sensor sleeves, removable sensor pads, and light blocking configurations.. .
04/18/13
20130096404
Method and system for sleep disturbance analysis
A system for automatic sleep test analysis, the system comprising: a pulse oximeter for continuously monitoring oxygen saturation values of a patient; a capnograph for continuously monitoring exhaled carbon dioxide (c02) values of the patient; and a computing unit configured to compute a continuous integrated sleep score based on a sequential analysis of the oxygen saturation values and the exhaled c02 values, wherein the continuous integrated sleep score is indicative of the patient's breathing-related sleep quality during at least a portion of the sleep test.. .
04/18/13
20130091642
Oral health care implement and system with oximetry sensor
An oral health care implement and system are provided for use during oral health care activities. The oral health care implement has an oximetry sensor, most often in the embodiment of a transmissive or reflective pulse oximeter.
04/04/13
20130085354
Techniques for accurately deriving physiologic parameters of a subject from photoplethysmographic measurements
Several techniques are disclosed for isolating either heart or breath rate data from a photoplethysmograph, which is a time domain signal such as from a pulse oximeter. The techniques involve the use of filtering in the frequency domain, after a fast fourier transform (fft) has been conducted on a given photoplethysmograph also references as a given set of discrete time-domain data.
03/07/13
20130060110
System and method for automatic detection of a plurality of spo2 time series pattern types
The disclosed embodiments relate to pulse oximetry. An exemplary pulse oximeter comprises a probe that is adapted to be attached to a body part of a patient to create a signal indicative of an oxygen saturation of blood of the patient, and a processor that is adapted to receive the signal produced by the probe, to calculate an spo2 value based on the signal, to detect a plurality of pattern types of spo2 indicative of pathophysiologic events, and to produce an output indicative of a detected one of the plurality of pattern types..
02/21/13
20130046188
Method of analyzing and processing signals
A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyze the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyzer component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyzer component..
02/21/13
20130046187
Method of analyzing and processing signals
A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component..
02/21/13
20130046186
Method of analyzing and processing signals
A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component..
02/21/13
20130046185
Method of analyzing and processing signals
A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component..
02/21/13
20130046184
Method of analyzing and processing signals
A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component..
02/21/13
20130046163
Single use pulse oximeter
A single use, self-contained, self-powered disposable oximeter, in the form of a patch or a bandage strip, has mounted thereto a light emitter and a light sensor to measure the spo2 of the patient. Mounted to an electronics layer of the patch is an application specific integrated circuit (asic) that has electronics integrated thereto that controls the operation of the light emitter and light sensor, and the algorithm for calculating from the data collected by the sensor at least the spo2 of the patient.
02/21/13
20130046161
Method of analyzing and processing signals
A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component..
02/21/13
20130046160
Method of analyzing and processing signals
A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component..
02/21/13
20130046157
Method of analyzing and processing signals
A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component..
02/21/13
20130046156
Method of analyzing and processing signals
A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component..
02/07/13
20130035562
Reflectance and/or transmissive pulse oximeter
According to various embodiments, a medical sensor assembly may be configured to switch between transmission and reflectance mode. Such sensors may include multiple optical sensing components that may be activated or silent, depending on the mode in use.
01/03/13
20130000561
Intermitted hypoxic training facility and method for animals
A hypoxic training facility includes a plurality of walls defining an enclosure for housing an animal to be trained. A hypoxicator is adapted for delivering hypoxic, hyperoxic, and normoxic air to the enclosure during a hypoxic training session.


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Pulse Oximeter topics: Pulse Oximeter, Physiologic, Medical Device, Pulse Rate, Cpap Machine, Compliance, General Packet Radio Service, Optical Sensor, Mathematica, Spectrophotometry, Homeostasis, Carbon Dioxide, Respiratory Rate, Respiratory, Congenital Heart

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