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Pulse Oximeter

Pulse Oximeter-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Devices, systems and methods for plethysmographic monitoring at the nose
University Of Florida Research Foundation, Inc.
February 22, 2018 - N°20180049654

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.
Body-worn pulse oximeter
Sotera Wireless, Inc.
February 15, 2018 - N°20180042495

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.
Pulse oximeter access apparatus and method
Masimo Corporation
February 01, 2018 - N°20180028124

Access is provided to certain pulse oximetry systems utilizing a keyed sensor and a corresponding locked sensor port of a restricted access monitor. In such systems, the keyed sensor has a key comprising a memory element, and the monitor has a memory reader associated with the sensor port.
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Wearable pulse oximeter and respiration monitor
Masimo Corporation
January 11, 2018 - N°20180008146

A wireless patient monitoring device can be fully functional stand-alone patient monitoring device capable of various physiological measurements. The patient monitoring device is small and light enough to be comfortably worn on the patient, such as on the patient's wrist or around the neck.
Method and pulse oximeter apparatus using chemical heating
U.s. Department Of Veterans Affairs
December 28, 2017 - N°20170367629

Method and apparatus for providing reliable blood oxygen (sao2) and heart rate measurements includes a chemical energy heating source in conjunction with a harness that is adapted to secure the chemical energy heating source and a pulse oximeter probe proximate to a region of the body which is to be warmed prior to measurement. Preferably, the chemical energy heating source ...
Electronic ophthalmic lens with medical monitoring
Johnson & Johnson Vision Care, Inc.
December 14, 2017 - N°20170354326

An ophthalmic lens having an electronic system is described herein for monitoring the medical condition of the wearer using at least one sensor and at least one problem template. In a further embodiment, the problem template includes a pattern and/or a threshold.
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Method and apparatus for determining onset of hypoxia
Southern Aeromedical Institute, Inc.
November 16, 2017 - N°20170325727

A method is presented for determining onset of hypoxia of an occupant in an aircraft. The method includes measuring a physiological parameter of the occupant and comparing a value based on the physiological parameter with a threshold value.
System for screening of the state of oxygenation of a subject
Koninklijke Philips N.v.
November 09, 2017 - N°20170319114

The present invention relates to a processor and a system (1, 1′) for screening of the state of oxygenation of a subject (100), in particular for screening of newborn babies for congenital heart disease. The system comprises an imaging unit (2) for obtaining a plurality of image frames of the subject (100) over time, and a processor (3) for processing the image frames.
Medical devices and related methods
October 19, 2017 - N°20170296104

We describe a user exercise-tolerance measuring pulse oximeter system, for determining the exercise tolerance or capacity of a user undergoing exercise, the system comprising: a wireless fingerband comprising an optical sensor to provide an oxygen saturation signal, a chargeable power supply, and a wireless transmitter/receiver; a motion detector to provide a user motion signal; and a signal processor coupled ...
Fetal pulse oximeters and methods of using the same
Baylor College Of Medicine
October 12, 2017 - N°20170290510

One aspect of the invention provides a fetal pulse oximeter including: a shape-memory member adapted and configured to expand outward and define a loop when advanced out of a cannula; one or more light sources mounted on the shape memory member and facing toward a center of the loop, the one or more light sources adapted and configured to generate ...
Compressive sensing sparse sampling photoplethysmogram (ppg) measurement
Intel Corporation
October 05, 2017 - N°20170281013

A photoplethysmogram (ppg) measurement includes the use of compressive sensing based on samples generated in accordance with a fixed pattern. A pulse oximeter circuit can drive an led according to the fixed pattern to create a compressive sensing sample matrix of sparse measurements.
Tracking contact quality to vital signs measurement sensors
Qualcomm Incorporated
September 28, 2017 - N°20170273560

Various embodiments include a variety of sensors, such as a pulse oximeter, configured to track a dynamic component of a sensor and take an action based on a characteristic of the dynamic component. Some embodiments may include determining a gain applied to a signal of the sensor, determining whether the gain is discontinuous, and indicating that a sensor measurement associated ...
Novel pulse oximeter probes and methods for using the same
University Of Florida Research Foundation, Inc.
August 24, 2017 - N°20170238871

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..
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Method and apparatus for assessing respiratory distress
S & V Siu Associates, Llc
July 27, 2017 - N°20170209074

A method and apparatus are disclosed for assessing a respiratory function from plethysmography data obtainable, for example, from a pulse oximeter. A pulsatile waveform obtained from pleth data is processed to obtain a second waveform extending over a over multiple respiratory cycles and representing respiration-related variations in a pulse-beat area defined by the pulsatile waveform.
System and method for providing transitional monitoring along sedation continuum
Ethicon Endo Surgery, Inc.
June 29, 2017 - N°20170181694

A transition monitor receives data from a variety of sensors that provide data indicative of the level of sedation of a patient, such as a bispectral index monitor, automated responsiveness monitor, pulse oximeter, or other device. As data is received from a sensor device, the transition monitor will apply a weighting calculation and algorithm to the received value in order ...
Measuring respiration rate with multi-band plethysmography
Apple Inc.
June 15, 2017 - N°20170164884

A photoplethysmogram (ppg) signal may be obtained from a pulse oximeter, which employs a light emitter and a light sensor to measure the perfusion of blood to the skin of a user, and multiple wavelengths of light may be employed. For various wavelengths, relatively long wavelengths may interrogate relatively deep blood vessels in comparison to relatively short wavelengths, which may ...
Reflectance based pulse oximetry systems and methods
The Regents Of The University Of California
June 08, 2017 - N°20170156651

Pulse oximeter devices include a first light emitting element that emits red light, a second light emitting element that emits green light or ir light; and a sensor element that detects red and green (or ir) light and that outputs signals representing detected red and green (or ir) light. The pulse oximeter device further includes a flexible substrate, wherein the ...
System and method for measuring hemoglobin level
June 08, 2017 - N°20170156649

A hemoglobin measuring device comprising a controller, a first oxygen sensor, a second oxygen sensor, a first volume flow meter, and a second volume flow meter. The controller is operable to receive data from each of the first and second oxygen sensors, the first and second volume flow meters, and a pulse oximeter associated with a patient.
Pulse oximeter
Pioneer Corporation
May 04, 2017 - N°20170119293

A pulse oximeter (1, 2) includes a first light emitter (11) configured to generate first light, a second light emitter (12) configured to generate second light with a different wavelength from that of the first light, and a light receiver (13) configured to receive each of first return light of the first light from a living body and second return light of the second light ...
System and method for noninvasively measuring ventricular stroke volume and cardiac output
Streamline Automation Llc
May 04, 2017 - N°20170119261

A system for non-invasively measuring cardiac output, stroke volume, or both comprises a pulse oximeter, a data processor, and means for generating an output reporting measured one or more co or sv values to a user. A method for non-invasively measuring cardiac output, stroke volume, or both comprises collecting plethysmographic waveform data of a patient, providing the plethysmographic waveform to ...
Method and system for assessing learning experience of a person
Tata Consultancy Services Limited
April 13, 2017 - N°20170103668

A method and system is provided for assessing the learning experience of the person by monitoring the mental state of the person. The method involves measuring the brain signal, skin conductance using gsr device, and heart rate variability using the pulse oximeter.
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