US Patent No: 6,606,511

Number of patents in Portfolio can not be more than 2000

Pulse oximetry pulse indicator

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Abstract

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An intelligent, rule-based processor provides a pulse indicator designating the occurrence of each pulse in a pulse oximeter-derived photo-plethysmograph waveform. When there is relatively no distortion corrupting the plethysmograph signal, the processor analyzes the shape of the pulses in the waveform to determine where in the waveform to generate the pulse indication. When distortion is present, looser waveform criteria are used to determine if pulses are present. If pulses are present, the pulse indication is based upon an averaged pulse rate. If no pulses are present, no indication occurs. The pulse indicator provides a trigger and amplitude output. The trigger output is used to initiate an audible tone "beep" or a visual pulse indication on a display, such as a vertical spike on a horizontal trace or a corresponding indication on a bar display. The amplitude output is used to indicate data integrity and corresponding confidence in the computed values of saturation and pulse rate. The amplitude output can vary a characteristic of the pulse indicator, such as beep volume or frequency or the height of the visual display spike.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
MASIMO CORPORATIONIRVINE, CA293

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ali, Ammar Al Tustin, CA 24 3918
Breed, Divya S Laguna Niguel, CA 8 1403
Novak, Jerome J Aliso Viejo, CA 9 1419

Cited Art Landscape

Patent Info (Count) # Cites Year
 
NELLCOR PURITAN BENNETT INCORPORATED (3)
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5,865,736 Method and apparatus for nuisance alarm reductions 177 1997
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PHILIPS ELECTRONICS NORTH AMERICA CORPORATION (2)
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CARDIAC PACEMAKERS, INC. (1)
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DEL MAR MEDICAL SYSTEMS, LLC (1)
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International Bio-Medical Industries (1)
4,193,393 Diagnostic apparatus 54 1977
 
MASIMO CORPORATION (1)
6,002,952 Signal processing apparatus and method 446 1997
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
5,199,048 Noise canceler for keying pulse in CATV converter 8 1991
 
Minolta Camera Kabushiki Kaisha (1)
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MSA (1)
4,863,265 Apparatus and method for measuring blood constituents 248 1987
 
PROTHIA (1)
6,339,715 Method and apparatus for processing a physiological signal 114 1999
 
Thomson-CSF (1)
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ZOLL MEDICAL CORPORATION (1)
5,944,669 Apparatus and method for sensing cardiac function 24 1997
 
Other [Check patent profile for assignment information] (3)
5,031,629 Hypertension analyzer apparatus 37 1989
5,372,134 Aviation hypoxia monitor 13 1993
5,751,911 Real-time waveform analysis using artificial neural networks 19 1996

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
MASIMO CORPORATION (154)
8,560,034 Signal processing apparatus 0 1998
7,962,190 Signal processing apparatus 33 1998
7,328,053 Signal processing apparatus 134 1998
6,985,764 Flex circuit shielded optical sensor 282 2002
6,999,904 Variable indication estimator 185 2002
6,813,511 Low-noise optical probes for reducing ambient noise 324 2002
6,816,741 Plethysmograph pulse recognition processor 316 2002
7,245,953 Reusable pulse oximeter probe and disposable bandage apparatii 155 2002
6,934,570 Physiological sensor combination 299 2002
7,225,006 Attachment and optical probe 215 2003
6,950,687 Isolation and communication element for a resposable pulse oximetry sensor 293 2003
6,822,564 Parallel measurement alarm processor 332 2003
6,861,639 Systems and methods for indicating an amount of use of a sensor 307 2003
7,509,494 Interface cable 87 2003
6,850,788 Physiological measurement communications adapter 303 2003
7,428,432 Systems and methods for acquiring calibration data usable in a pulse oximeter 108 2003
7,096,054 Low noise optical housing 245 2003
7,274,955 Parameter compensated pulse oximeter 130 2003
7,096,052 Optical probe including predetermined emission wavelength based on patient type 237 2003
7,142,901 Parameter compensated physiological monitor 236 2003
7,471,969 Pulse oximeter probe-off detector 94 2003
6,996,427 Pulse oximetry data confidence indicator 329 2003
7,039,449 Resposable pulse oximetry sensor 273 2003
7,295,866 Low power pulse oximeter 209 2004
7,471,971 Signal processing apparatus and method 88 2004
7,530,955 Signal processing apparatus 86 2004
7,499,741 Signal processing apparatus and method 95 2004
7,215,984 Signal processing apparatus 297 2004
7,500,950 Multipurpose sensor port 90 2004
7,530,949 Dual-mode pulse oximeter 106 2004
7,254,431 Physiological parameter tracking system 127 2004
7,024,233 Pulse oximetry data confidence indicator 281 2004
7,483,730 Low-noise optical probes for reducing ambient noise 87 2004
7,254,434 Variable pressure reusable sensor 223 2004
7,044,918 Plethysmograph pulse recognition processor 178 2004
7,030,749 Parallel measurement alarm processor 203 2004
7,483,729 Pulse oximeter access apparatus and method 86 2004
7,373,193 Pulse oximetry data capture system 143 2004
7,280,858 Pulse oximetry sensor 226 2005
7,844,314 Physiological measurement communications adapter 47 2005
7,373,194 Signal component processor 116 2005
7,371,981 Connector switch 116 2005
D566282 Stand for a portable patient monitor 113 2005
D554263 Portable patient monitor 129 2005
6,979,812 Systems and methods for indicating an amount of use of a sensor 260 2005
7,438,683 Application identification sensor 99 2005
7,415,297 Physiological parameter system 111 2005
7,292,883 Physiological assessment system 127 2005
8,641,631 Non-invasive monitoring of respiratory rate, heart rate and apnea 0 2005
7,761,128 Physiological monitor 68 2005
7,215,986 Signal processing apparatus 166 2005
7,937,128 Cyanotic infant sensor 36 2005
7,976,472 Noninvasive hypovolemia monitor 36 2005
7,041,060 Rapid non-invasive blood pressure measuring device 177 2005
7,272,425 Pulse oximetry sensor including stored sensor data 173 2005
7,340,287 Flex circuit shielded optical sensor 118 2005
7,186,966 Amount of use tracking device and method for medical product 178 2005
7,377,794 Multiple wavelength sensor interconnect 126 2006
7,499,835 Variable indication estimator 97 2006
7,937,129 Variable aperture sensor 37 2006
8,046,040 Pulse oximetry data confidence indicator 30 2006
RE41317 Universal modular pulse oximeter probe for use with reusable and disposable patient attachment devices 76 2006
7,190,261 Arrhythmia alarm processor 147 2006
7,618,375 Rapid non-invasive blood pressure measuring device 78 2006
8,000,761 Resposable pulse oximetry sensor 32 2006
8,364,223 Physiological monitor 5 2006
7,988,637 Plethysmograph pulse recognition processor 33 2006
7,899,507 Physiological monitor 52 2006
7,891,355 Physiological monitor 46 2006
7,844,315 Physiological measurement communications adapter 47 2006
7,489,958 Signal processing apparatus and method 95 2006
7,377,899 Sine saturation transform 113 2006
7,894,868 Physiological monitor 47 2006
7,991,446 Systems and methods for acquiring calibration data usable in a pulse oximeter 33 2006
RE41912 Reusable pulse oximeter probe and disposable bandage apparatus 50 2006
7,454,240 Signal processing apparatus 92 2006
7,332,784 Method of providing an optoelectronic element with a non-protruding lens 115 2006
7,962,188 Robust alarm system 34 2006
7,880,626 System and method for monitoring the life of a physiological sensor 44 2006
7,530,942 Remote sensing infant warmer 86 2006
7,526,328 Manual and automatic probe calibration 85 2006
7,990,382 Virtual display 33 2007
8,182,443 Drug administration controller 21 2007
7,910,875 Systems and methods for indicating an amount of use of a sensor 42 2007
7,355,512 Parallel alarm processor 132 2007
8,028,701 Respiratory monitoring 30 2007
8,046,041 Signal processing apparatus 29 2007
8,046,042 Signal processing apparatus 29 2007
8,036,728 Signal processing apparatus 29 2007
8,175,672 Reusable pulse oximeter probe and disposable bandage apparatii 22 2007
8,385,995 Physiological parameter tracking system 5 2007
8,532,727 Dual-mode pulse oximeter 1 2007
8,180,420 Signal processing apparatus and method 22 2007
8,019,400 Signal processing apparatus 34 2007
7,734,320 Sensor isolation 70 2007
7,509,154 Signal processing apparatus 101 2007
7,467,002 Sine saturation transform 91 2007
8,457,707 Congenital heart disease monitor 2 2007
8,315,683 Duo connector patient cable 10 2007
D609193 Connector assembly 80 2007
D587657 Connector assembly 87 2007
8,457,703 Low power pulse oximeter 2 2007
8,414,499 Plethysmograph variability processor 4 2007
8,652,060 Perfusion trend indicator 0 2008
7,880,606 Physiological trend monitor 54 2008
8,405,608 System and method for altering a display mode 6 2008
D614305 Connector assembly 80 2008
7,919,713 Low noise oximetry cable including conductive cords 36 2008
8,048,040 Fluid titration system 29 2008
8,355,766 Ceramic emitter substrate 5 2008
8,118,620 Connector assembly with reduced unshielded area 21 2008
8,274,360 Systems and methods for storing, analyzing, and retrieving medical data 11 2008
8,337,403 Patient monitor having context-based sensitivity adjustments 8 2008
8,128,572 Signal processing apparatus 22 2008
7,904,132 Sine saturation transform 43 2008
7,937,130 Signal processing apparatus 36 2008
8,353,842 Portable patient monitor 5 2008
8,532,728 Pulse oximeter probe-off detector 1 2008
8,670,814 Low-noise optical probes for reducing ambient noise 0 2009
7,873,497 Variable indication estimator 47 2009
8,190,227 Signal processing apparatus and method 22 2009
8,126,528 Signal processing apparatus 24 2009
8,145,287 Manual and automatic probe calibration 22 2009
8,203,438 Alarm suspend system 22 2009
RE43169 Universal modular pulse oximeter probe for use with reusable and disposable patient attachment devices 26 2009
8,401,602 Secondary-emitter sensor position indicator 5 2009
8,346,330 Reflection-detector sensor position indicator 8 2009
7,951,086 Rapid non-invasive blood pressure measuring device 34 2009
8,588,880 Ear sensor 0 2010
8,571,619 Hemoglobin display and patient treatment 0 2010
8,418,524 Non-invasive sensor calibration device 3 2010
8,670,811 Pulse oximetry system for adjusting medical ventilation 0 2010
8,690,799 Acoustic respiratory monitoring sensor having multiple sensing elements 0 2010
8,310,336 Systems and methods for storing, analyzing, retrieving and displaying streaming medical data 9 2010
8,430,817 System for determining confidence in respiratory rate measurements 2 2010
RE43860 Reusable pulse oximeter probe and disposable bandage apparatus 8 2010
8,548,548 Physiological measurement communications adapter 0 2010
8,260,577 Variable indication estimator 12 2011
8,228,181 Physiological trend monitor 20 2011
8,584,345 Reprocessing of a physiological sensor 0 2011
8,498,684 Sine saturation transform 2 2011
8,399,822 Systems and methods for indicating an amount of use of a sensor 4 2011
8,682,407 Cyanotic infant sensor 0 2011
8,666,468 Patient monitor for determining microcirculation state 0 2011
8,667,967 Respiratory monitoring 0 2011
8,229,533 Low-noise optical probes for reducing ambient noise 20 2012
RE44823 Universal modular pulse oximeter probe for use with reusable and disposable patient attachment devices 0 2012
8,364,226 Signal processing apparatus 5 2012
8,359,080 Signal processing apparatus 5 2012
8,529,301 Shielded connector assembly 1 2012
8,463,349 Signal processing apparatus 2 2012
8,547,209 Alarm suspend system 0 2012
8,570,167 Physiological trend monitor 0 2012
8,489,364 Variable indication estimator 2 2012
 
COVIDIEN LP (113)
7,689,259 Pulse oximeter sensor with piece-wise function 2 2004
7,657,294 Compliant diaphragm medical sensor and technique for using the same 12 2005
7,657,295 Medical sensor and technique for using the same 13 2005
8,092,379 Method and system for determining when to reposition a physiological sensor 0 2005
7,904,130 Medical sensor and technique for using the same 2 2005
7,899,510 Medical sensor and technique for using the same 1 2005
7,869,850 Medical sensor for reducing motion artifacts and technique for using the same 2 2005
7,725,146 System and method for pre-processing waveforms 5 2005
7,725,147 System and method for removing artifacts from waveforms 10 2005
8,233,954 Mucosal sensor for the assessment of tissue and blood constituents and technique for using the same 0 2005
8,133,176 Method and circuit for indicating quality and accuracy of physiological measurements 0 2005
8,078,246 Pulse oximeter sensor with piece-wise function 0 2005
8,062,221 Sensor for tissue gas detection and technique for using the same 0 2005
7,881,762 Clip-style medical sensor and technique for using the same 2 2005
8,095,192 Signal quality metrics design for qualifying data for a physiological monitor 0 2005
8,073,518 Clip-style medical sensor and technique for using the same 4 2006
8,380,271 System and method for generating customizable audible beep tones and alarms 0 2006
8,433,383 Stacked adhesive optical sensor 0 2006
8,195,262 Switch-mode oximeter LED drive with a single inductor 0 2006
7,738,937 Medical sensor and technique for using the same 1 2006
7,693,559 Medical sensor having a deformable region and technique for using the same 2 2006
7,684,843 Medical sensor and technique for using the same 2 2006
7,657,296 Unitary medical sensor assembly and technique for using the same 9 2006
7,647,084 Medical sensor and technique for using the same 1 2006
7,574,244 Compliant diaphragm medical sensor and technique for using the same 6 2006
8,060,171 Medical sensor for reducing motion artifacts and technique for using the same 2 2006
7,650,177 Medical sensor for reducing motion artifacts and technique for using the same 2 2006
8,145,288 Medical sensor for reducing signal artifacts and technique for using the same 0 2006
7,729,736 Medical sensor and technique for using the same 2 2006
7,676,253 Medical sensor and technique for using the same 2 2006
8,219,170 System and method for practicing spectrophotometry using light emitting nanostructure devices 1 2006
8,396,527 Medical sensor for reducing signal artifacts and technique for using the same 0 2006
8,195,264 Medical sensor for reducing signal artifacts and technique for using the same 0 2006
8,190,224 Medical sensor for reducing signal artifacts and technique for using the same 1 2006
8,190,225 Medical sensor for reducing signal artifacts and technique for using the same 0 2006
8,175,671 Medical sensor for reducing signal artifacts and technique for using the same 0 2006
7,869,849 Opaque, electrically nonconductive region on a medical sensor 2 2006
7,890,153 System and method for mitigating interference in pulse oximetry 0 2006
7,796,403 Means for mechanical registration and mechanical-electrical coupling of a faraday shield to a photodetector and an electrical circuit 3 2006
8,175,667 Symmetric LED array for pulse oximetry 0 2006
8,068,891 Symmetric LED array for pulse oximetry 0 2006
7,684,842 System and method for preventing sensor misuse 2 2006
7,680,522 Method and apparatus for detecting misapplied sensors 0 2006
8,401,606 Nuisance alarm reductions in a physiological monitor 0 2006
7,499,740 Techniques for detecting heart pulses and reducing power consumption in sensors 8 2007
8,483,790 Non-adhesive oximeter sensor for sensitive skin 0 2007
8,280,469 Method for detection of aberrant tissue spectra 0 2007
8,265,724 Cancellation of light shunting 0 2007
7,894,869 Multiple configuration medical sensor and technique for using the same 1 2007
7,794,266 Device and method for reducing crosstalk 0 2007
8,204,567 Signal demodulation 0 2007
8,352,004 Medical sensor and technique for using the same 0 2007
8,346,328 Medical sensor and technique for using the same 0 2007
8,401,607 Nuisance alarm reductions in a physiological monitor 1 2008
8,423,109 Method for enhancing pulse oximery calculations in the presence of correlated artifacts 0 2008
8,071,935 Optical detector with an overmolded faraday shield 2 2008
7,887,345 Single use connector for pulse oximetry sensors 1 2008
7,880,884 System and method for coating and shielding electronic sensor components 0 2008
D626561 Circular satseconds indicator and triangular saturation pattern detection indicator for a patient monitor display panel 11 2008
D626562 Triangular saturation pattern detection indicator for a patient monitor display panel 11 2008
8,315,684 Oximeter ambient light cancellation 0 2008
8,364,220 Medical sensor and technique for using the same 0 2008
8,532,751 Laser self-mixing sensors for biological sensing 0 2008
8,423,112 Medical sensor and technique for using the same 0 2008
8,417,309 Medical sensor 0 2008
8,386,000 System and method for photon density wave pulse oximetry and pulse hemometry 0 2008
8,364,221 Patient monitoring alarm escalation system and method 1 2008
7,890,154 Selection of ensemble averaging weights for a pulse oximeter based on signal quality metrics 0 2008
8,092,993 Hydrogel thin film for use as a biosensor 0 2008
8,577,434 Coaxial LED light sources 0 2008
8,442,608 System and method for estimating physiological parameters by deconvolving artifacts 0 2008
8,366,613 LED drive circuit for pulse oximetry and method for using same 0 2008
8,070,508 Method and apparatus for aligning and securing a cable strain relief 1 2008
8,199,007 Flex circuit snap track for a biometric sensor 0 2008
8,352,009 Medical sensor and technique for using the same 0 2009
8,386,002 Optically aligned pulse oximetry sensor and technique for using the same 0 2009
7,658,652 Device and method for reducing crosstalk 1 2009
8,275,553 System and method for evaluating physiological parameter data 1 2009
8,452,366 Medical monitoring device with flexible circuitry 0 2009
8,221,319 Medical device for assessing intravascular blood volume and technique for using the same 0 2009
8,437,822 System and method for estimating blood analyte concentration 0 2009
8,292,809 Detecting chemical components from spectroscopic observations 0 2009
8,140,272 System and method for unmixing spectroscopic observations with nonnegative matrix factorization 0 2009
8,112,375 Wavelength selection and outlier detection in reduced rank linear models 1 2009
8,364,224 System and method for facilitating sensor and monitor communication 0 2009
8,007,441 Pulse oximeter with alternate heart-rate determination 0 2009
8,509,869 Method and apparatus for detecting and analyzing variations in a physiologic parameter 0 2009
8,634,891 Method and system for self regulation of sensor component contact pressure 0 2009
8,352,010 Folding medical sensor and technique for using the same 0 2009
8,238,994 Adjusting parameters used in pulse oximetry analysis 0 2009
8,311,602 Compliant diaphragm medical sensor and technique for using the same 0 2009
8,315,685 Flexible medical sensor enclosure 0 2009
8,505,821 System and method for providing sensor quality assurance 0 2009
8,311,601 Reflectance and/or transmissive pulse oximeter 0 2009
8,391,941 System and method for memory switching for multiple configuration medical sensor 0 2009
8,494,786 Exponential sampling of red and infrared signals 0 2009
8,433,382 Transmission mode photon density wave system and method 0 2009
8,417,310 Digital switching in multi-site sensor 0 2009
8,494,606 Photoplethysmography with controlled application of sensor pressure 0 2009
8,428,675 Nanofiber adhesives used in medical devices 0 2009
8,528,185 Bi-stable medical sensor and technique for using the same 0 2009
8,494,604 Wavelength-division multiplexing in a multi-wavelength photon density wave system 0 2009
8,515,511 Sensor with an optical coupling material to improve plethysmographic measurements and method of using the same 0 2009
8,376,955 Spectroscopic method and system for assessing tissue temperature 0 2009
8,515,513 System and method for facilitating observation of monitored physiologic data 0 2009
8,224,412 Pulse oximeter sensor with piece-wise function 0 2010
8,649,839 Motion compatible sensor for non-invasive optical blood analysis 0 2010
8,260,391 Medical sensor for reducing motion artifacts and technique for using the same 0 2010
8,560,036 Selection of ensemble averaging weights for a pulse oximeter based on signal quality metrics 0 2010
8,660,626 System and method for mitigating interference in pulse oximetry 0 2011
8,600,469 Medical sensor and technique for using the same 0 2011
8,437,826 Clip-style medical sensor and technique for using the same 0 2011
8,577,436 Medical sensor for reducing signal artifacts and technique for using the same 0 2012
 
CERCACOR LABORATORIES, INC. (54)
6,920,345 Optical sensor including disposable and reusable elements 287 2003
6,961,598 Pulse and active pulse spectraphotometry 249 2003
7,003,338 Method and apparatus for reducing coupling between signals 258 2003
7,149,561 Optical spectroscopy pathlength measurement system 141 2003
7,027,849 Blood parameter measurement system 307 2003
6,970,792 Systems and methods for determining blood oxygen saturation values using complex number encoding 194 2003
7,343,186 Multi-wavelength physiological monitor 129 2005
7,225,007 Optical sensor including disposable and reusable elements 156 2005
7,239,905 Active pulse blood constituent monitoring 140 2005
8,606,342 Pulse and active pulse spectraphotometry 0 2005
7,440,787 Systems and methods for determining blood oxygen saturation values using complex number encoding 95 2005
7,865,222 Method and apparatus for reducing coupling between signals in a measurement system 48 2006
8,224,411 Noninvasive multi-parameter patient monitor 23 2006
8,190,223 Noninvasive multi-parameter patient monitor 24 2006
8,130,105 Noninvasive multi-parameter patient monitor 29 2006
8,050,728 Multiple wavelength sensor drivers 31 2006
7,957,780 Physiological parameter confidence measure 44 2006
7,764,982 Multiple wavelength sensor emitters 57 2006
7,761,127 Multiple wavelength sensor substrate 66 2006
7,729,733 Configurable physiological measurement system 74 2006
7,647,083 Multiple wavelength sensor equalization 78 2006
7,596,398 Multiple wavelength sensor attachment 81 2006
8,233,955 Optical sensor including disposable and reusable elements 5 2006
7,801,581 Optical spectroscopy pathlength measurement system 48 2006
7,941,199 Sepsis monitor 34 2007
8,244,325 Noninvasive oximetry optical sensor including disposable and reusable elements 4 2007
8,265,723 Oximeter probe off indicator defining probe off space 3 2007
7,791,155 Detector shield 52 2007
8,423,106 Multi-wavelength physiological monitor 3 2008
8,374,665 Tissue profile wellness monitor 3 2008
7,563,110 Multiple wavelength sensor interconnect 84 2008
D621516 Patient monitoring sensor 59 2008
8,385,996 Multiple wavelength sensor emitters 4 2009
8,577,431 Noise shielding for a noninvasive device 0 2009
8,437,825 Contoured protrusion for improving spectroscopic measurement of blood constituents 4 2009
RE42753 Active pulse blood constituent monitoring 32 2009
8,630,691 Multi-stream sensor front ends for noninvasive measurement of blood constituents 0 2009
8,515,509 Multi-stream emitter for noninvasive measurement of blood constituents 2 2009
8,203,704 Multi-stream sensor for noninvasive measurement of blood constituents 10 2009
8,301,217 Multiple wavelength sensor emitters 3 2009
8,634,889 Configurable physiological measurement system 0 2010
8,600,467 Optical sensor including disposable and reusable elements 0 2010
8,255,027 Multiple wavelength sensor substrate 4 2010
8,471,713 Interference detector for patient monitor 2 2010
8,473,020 Non-invasive physiological sensor cover 2 2010
8,571,618 Adaptive calibration system for spectrophotometric measurements 0 2010
8,676,286 Method and apparatus for reducing coupling between signals in a measurement system 0 2011
8,663,107 Sepsis monitor 0 2011
8,428,967 Spot check monitor credit system 2 2011
8,483,787 Multiple wavelength sensor drivers 2 2011
8,626,255 Noninvasive multi-parameter patient monitor 0 2012
8,560,032 Noninvasive multi-parameter patient monitor 0 2012
8,570,503 Heat sink for noninvasive medical sensor 0 2012
8,548,550 Optical sensor including disposable and reusable elements 0 2012
 
NELLCOR PURITAN BENNETT LLC (15)
7,720,516 Motion compatible sensor for non-invasive optical blood analysis 6 2004
7,349,726 Pulse oximeter and sensor optimized for low saturation 21 2006
8,679,027 Systems and methods for pulse processing 0 2008
8,574,162 Systems and methods for detecting pulses 0 2008
8,410,951 Detecting a signal quality decrease in a measurement system 0 2008
8,398,556 Systems and methods for non-invasive continuous blood pressure determination 0 2008
8,660,799 Processing and detecting baseline changes in signals 0 2008
8,506,498 Systems and methods using induced perturbation to determine physiological parameters 0 2008
8,370,080 Methods and systems for determining whether to trigger an alarm 1 2008
8,560,245 Continuous non-invasive blood pressure measurement apparatus and methods providing automatic recalibration 0 2008
8,216,136 Systems and methods for monitoring heart rate and blood pressure correlation 0 2009
8,290,730 Systems and methods for assessing measurements in physiological monitoring devices 1 2009
8,628,477 Systems and methods for non-invasive determination of blood pressure 0 2009
8,463,347 Systems and methods for normalizing a plethysmograph signal for improved feature analysis 0 2009
8,618,947 Detecting a signal quality decrease in a measurement system 0 2013
 
NELLCOR PURITAN BENNETT INCORPORATED (9)
7,376,454 Oximeter with selection between calculations based on patient type 26 2003
7,590,439 Bi-stable medical sensor and technique for using the same 2 2005
7,555,327 Folding medical sensor and technique for using the same 7 2005
7,486,979 Optically aligned pulse oximetry sensor and technique for using the same 3 2005
7,483,731 Medical sensor and technique for using the same 5 2005
7,522,948 Medical sensor and technique for using the same 3 2006
7,477,924 Medical sensor and technique for using the same 3 2006
7,574,245 Flexible medical sensor enclosure 2 2006
7,415,298 Pulse oximeter and sensor optimized for low saturation 26 2007
 
GLT ACQUISITION CORP. (7)
8,219,172 System and method for creating a stable optical interface 0 2006
7,822,452 Method for data reduction and calibration of an OCT-based blood glucose monitor 48 2006
8,036,727 Methods for noninvasively measuring analyte levels in a subject 3 2006
8,204,566 Method and apparatus for monitoring blood constituent levels in biological tissue 1 2007
8,571,617 Flowometry in optical coherence tomography for analyte level estimation 0 2009
8,306,596 Method for data reduction and calibration of an OCT-based physiological monitor 6 2010
8,548,549 Methods for noninvasively measuring analyte levels in a subject 0 2011
 
Ceracor Laboratories, Inc. (2)
8,447,374 Systems and methods for determining blood oxygen saturation values using complex number encoding 0 2008
8,688,183 Emitter driver for noninvasive patient monitor 0 2010
 
Masimo Corporation, Inc. (2)
8,255,028 Physiological monitor 11 2006
8,255,026 Patient monitor capable of monitoring the quality of attached probes and accessories 10 2007
 
Carcacor Laboratories, Inc. (1)
8,581,732 Noninvasive multi-parameter patient monitor 0 2012
 
Covidien LLP (1)
8,452,364 System and method for attaching a sensor to a patient's skin 0 2008
 
LYNN, LAWRENCE A. (1)
8,666,467 System and method for SPO2 instability detection and quantification 0 2012
 
MASIMO LABORATORIES, INC. (1)
6,850,787 Signal component processor 311 2002
 
Masino Corporation, Inc. (1)
8,280,473 Perfusion index smoother 0 2007
 
Other [Check patent profile for assignment information] (2)
8,696,585 Detecting a probe-off event in a measurement system 0 2008
8,700,112 Secondary-emitter sensor position indicator 0 2013

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