US Patent No: 7,454,240

Number of patents in Portfolio can not be more than 2000

Signal processing apparatus

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Abstract

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The present invention involves a method and an apparatus for analyzing measured signals, including the determination of a measurement of correlation in the measured signals during a calculation of a physiological parameter of a monitored patient. Use of this invention is described in particular detail with respect to blood oximetry measurements.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
MASIMO CORPORATIONIRVINE, CA294

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Diab, Mohamed K Laguna Niguel, CA 157 16807
Elfadel, Ibrahim M Laguna Niguel, CA 104 5315
Kiani-Azarbayjany, Esmaiel Laguna Niguel, CA 72 10630
McCarthy, Rex J Mission Viejo, CA 48 5169
Smith, Robert A Corona, CA 218 8829
Weber, Walter M Los Angeles, CA 124 10770

Cited Art Landscape

Patent Info (Count) # Cites Year
 
MASIMO CORPORATION (125)
4,960,128 Method and apparatus for continuously and non-invasively measuring the blood pressure of a patient 234 1988
5,163,438 Method and apparatus for continuously and noninvasively measuring the blood pressure of a patient 240 1990
5,431,170 Pulse responsive device 449 1992
5,494,043 Arterial sensor 305 1993
5,337,744 Low noise finger cot probe 392 1993
5,490,505 Signal processing apparatus 507 1993
5,533,511 Apparatus and method for noninvasive blood pressure measurement 320 1994
5,590,649 Apparatus and method for measuring an induced perturbation to determine blood pressure 252 1994
D361840 Stethoscope head 172 1994
D362063 Stethoscope headset 169 1994
D363120 Stethoscope ear tip 174 1994
5,482,036 Signal processing apparatus and method 464 1994
5,452,717 Finger-cot probe 380 1994
5,632,272 Signal processing apparatus 477 1994
5,638,818 Low noise optical probe 366 1994
5,758,644 Manual and automatic probe calibration 457 1995
5,769,785 Signal processing apparatus and method 399 1995
5,645,440 Patient cable connector 350 1995
D393830 Patient cable connector 339 1995
5,782,757 Low-noise optical probes 408 1995
5,810,734 Apparatus and method for measuring an induced perturbation to determine a physiological parameter 234 1995
5,830,131 Apparatus and method for measuring an induced perturbation to determine a physical condition of the human arterial system 260 1995
5,833,618 Apparatus and method for measuring an induced perturbation to determine a physiological parameter 246 1995
5,685,299 Signal processing apparatus 386 1995
5,904,654 Exciter-detector unit for measuring physiological parameters 245 1996
5,785,659 Automatically activated blood pressure measurement device 232 1996
5,823,950 Manual and automatic probe calibration 337 1996
6,088,607 Low noise optical probe 406 1997
5,934,925 Patient cable connector 343 1997
6,002,952 Signal processing apparatus and method 448 1997
6,157,850 Signal processing apparatus 394 1997
5,890,929 Shielded medical connector 331 1997
6,081,735 Signal processing apparatus 536 1997
6,263,222 Signal processing apparatus 415 1997
6,184,521 Photodiode detector with integrated noise shielding 340 1998
5,919,134 Method and apparatus for demodulating signals in a pulse oximetry system 355 1998
6,011,986 Manual and automatic probe calibration 402 1998
5,995,855 Pulse oximetry sensor adapter 385 1998
6,525,386 Non-protruding optoelectronic lens 352 1998
5,997,343 Patient cable sensor switch 326 1998
6,229,856 Method and apparatus for demodulating signals in a pulse oximetry system 337 1998
6,067,462 Signal processing apparatus and method 391 1998
6,256,523 Low-noise optical probes 389 1998
6,036,642 Signal processing apparatus and method 373 1998
7,328,053 Signal processing apparatus 136 1998
6,236,872 Signal processing apparatus 361 1998
6,144,868 Reusable pulse oximeter probe and disposable bandage apparatus 291 1999
6,334,065 Stereo pulse oximeter 384 1999
6,285,896 Fetal pulse oximetry sensor 331 1999
6,321,100 Reusable pulse oximeter probe with disposable liner 279 1999
6,349,228 Pulse oximetry sensor adapter 342 1999
6,632,181 Rapid non-invasive blood pressure measuring device 285 1999
6,343,224 Reusable pulse oximeter probe and disposable bandage apparatus 283 1999
6,580,086 Shielded optical probe and method 377 1999
6,943,348 System for detecting injection holding material 189 1999
6,206,830 Signal processing apparatus and method 357 1999
6,165,005 Patient cable sensor switch 321 1999
6,377,829 Resposable pulse oximetry sensor 364 1999
6,152,754 Circuit board based cable connector 351 1999
6,463,311 Plethysmograph pulse recognition processor 332 1999
6,606,511 Pulse oximetry pulse indicator 367 2000
6,515,273 System for indicating the expiration of the useful operating life of a pulse oximetry sensor 344 2000
6,584,336 Universal/upgrading pulse oximeter 376 2000
6,360,114 Pulse oximeter probe-off detector 361 2000
6,699,194 Signal processing apparatus and method 371 2000
6,430,525 Variable mode averager 327 2000
6,526,300 Pulse oximeter probe-off detection system 320 2000
6,470,199 Elastic sock for positioning an optical probe 337 2000
6,697,656 Pulse oximetry sensor compatible with multiple pulse oximetry systems 317 2000
6,770,028 Dual-mode pulse oximeter 345 2000
6,519,487 Reusable pulse oximeter probe and disposable bandage apparatus 282 2000
6,280,213 Patient cable connector 340 2000
6,542,764 Pulse oximeter monitor for expressing the urgency of the patient's condition 327 2000
6,643,530 Method and apparatus for demodulating signals in a pulse oximetry system 323 2000
6,501,975 Signal processing apparatus and method 386 2001
6,684,091 Reusable pulse oximeter probe and disposable bandage method 274 2001
6,541,756 Shielded optical probe having an electrical connector 345 2001
6,388,240 Shielded optical probe and method having a longevity indication 367 2001
6,684,090 Pulse oximetry data confidence indicator 388 2001
6,792,300 Low-noise optical probes for reducing light piping 318 2001
6,595,316 Tension-adjustable mechanism for stethoscope earpieces 189 2001
6,721,585 Universal modular pulse oximeter probe for use with reusable and disposable patient attachment devices 273 2001
6,597,933 Pulse oximetry sensor adapter 331 2001
6,678,543 Optical probe and positioning wrap 393 2001
6,745,060 Signal processing apparatus 347 2001
6,650,917 Signal processing apparatus 374 2001
6,671,531 Sensor wrap including foldable applicator 351 2001
6,654,624 Pulse oximeter probe-off detector 358 2001
6,760,607 Ribbon cable substrate pulse oximetry sensor 303 2001
6,714,804 Stereo pulse oximeter 333 2001
6,852,083 System and method of determining whether to recalibrate a blood pressure monitor 223 2002
6,658,276 Pulse oximeter user interface 353 2002
RE38492 Signal processing apparatus and method 329 2002
6,725,075 Resposable pulse oximetry sensor 332 2002
6,985,764 Flex circuit shielded optical sensor 284 2002
6,697,658 Low power pulse oximeter 354 2002
6,661,161 Piezoelectric biological sound monitor with printed circuit board 201 2002
RE38476 Signal processing apparatus 330 2002
6,999,904 Variable indication estimator 187 2002
6,735,459 Reusable pulse oximeter probe and disposable bandage apparatus 278 2002
6,813,511 Low-noise optical probes for reducing ambient noise 326 2002
6,816,741 Plethysmograph pulse recognition processor 318 2002
6,934,570 Physiological sensor combination 301 2002
6,826,419 Signal processing apparatus and method 319 2002
6,830,711 Mold tool for an optoelectronic element 307 2003
6,822,564 Parallel measurement alarm processor 334 2003
6,950,687 Isolation and communication element for a resposable pulse oximetry sensor 295 2003
7,015,451 Power supply rail controller 176 2003
6,861,639 Systems and methods for indicating an amount of use of a sensor 309 2003
6,771,994 Pulse oximeter probe-off detection system 318 2003
6,850,788 Physiological measurement communications adapter 305 2003
6,993,371 Pulse oximetry sensor adaptor 313 2003
6,898,452 Stereo pulse oximeter 292 2003
7,254,433 Signal processing apparatus 240 2003
6,939,305 Rapid non-invasive blood pressure measuring device 187 2003
7,003,339 Method and apparatus for demodulating signals in a pulse oximetry system 270 2003
6,996,427 Pulse oximetry data confidence indicator 333 2003
7,039,449 Resposable pulse oximetry sensor 275 2003
7,215,984 Signal processing apparatus 299 2004
7,024,233 Pulse oximetry data confidence indicator 283 2004
7,030,749 Parallel measurement alarm processor 207 2004
6,979,812 Systems and methods for indicating an amount of use of a sensor 262 2005
2005/0209,517 Signal processing apparatus 39 2005
7,215,986 Signal processing apparatus 168 2005
2007/0225,581 SIGNAL PROCESSING APPARATUS 38 2007
 
NELLCOR PURITAN BENNETT INCORPORATED (19)
4,802,486 Method and apparatus for detecting optical pulses 213 1985
4,653,498 Pulse oximeter monitor 347 1986
4,800,495 Method and apparatus for processing signals used in oximetry 235 1986
4,819,646 Feedback-controlled method and apparatus for processing signals used in oximetry 147 1986
4,859,056 Multiple-pulse method and apparatus for use in oximetry 134 1986
4,869,253 Method and apparatus for indicating perfusion and oxygen saturation trends in oximetry 208 1986
4,913,150 Method and apparatus for the automatic calibration of signals employed in oximetry 254 1986
4,869,254 Method and apparatus for calculating arterial oxygen saturation 259 1988
4,911,167 Method and apparatus for detecting optical pulses 301 1988
4,928,692 Method and apparatus for detecting optical pulses 207 1988
4,892,101 Method and apparatus for offsetting baseline portion of oximeter signal 178 1989
4,934,372 Method and apparatus for detecting optical pulses 231 1989
5,259,381 Apparatus for the automatic calibration of signals employed in oximetry 206 1989
5,246,002 Noise insensitive pulse transmittance oximeter 171 1992
RE35122 Method and apparatus for detecting optical pulses 174 1992
5,368,026 Oximeter with motion detection for alarm modification 192 1993
5,853,364 Method and apparatus for estimating physiological parameters using model-based adaptive filtering 264 1996
6,083,172 Method and apparatus for estimating physiological parameters using model-based adaptive filtering 185 1998
6,411,833 Method and apparatus for estimating physiological parameters using model-based adaptive filtering 159 1999
 
CERCACOR LABORATORIES, INC. (15)
5,638,816 Active pulse blood constituent monitoring 332 1995
5,743,262 Blood glucose monitoring system 576 1995
5,760,910 Optical filter for spectroscopic measurement and method of producing the optical filter 321 1995
5,860,919 Active pulse blood constituent monitoring method 357 1997
6,110,522 Blood glucose monitoring system 239 1998
5,940,182 Optical filter for spectroscopic measurement and method of producing the optical filter 322 1998
6,151,516 Active pulse blood constituent monitoring 301 1998
6,278,522 Optical filter for spectroscopic measurement and method of producing the optical filter 322 1999
6,931,268 Active pulse blood constituent monitoring 195 2000
6,640,116 Optical spectroscopy pathlength measurement system 287 2001
6,920,345 Optical sensor including disposable and reusable elements 289 2003
6,961,598 Pulse and active pulse spectraphotometry 253 2003
7,003,338 Method and apparatus for reducing coupling between signals 260 2003
7,027,849 Blood parameter measurement system 311 2003
6,970,792 Systems and methods for determining blood oxygen saturation values using complex number encoding 196 2003
 
Minolta Camera Kabushiki Kaisha (7)
4,266,554 Digital oximeter 187 1979
4,305,398 Eye fundus oximeter 72 1979
4,446,871 Optical analyzer for measuring a construction ratio between components in the living tissue 114 1980
4,586,513 Noninvasive device for photoelectrically measuring the property of arterial blood 197 1983
4,714,341 Multi-wavelength oximeter having a means for disregarding a poor signal 290 1985
4,694,833 Noninvasive device for photoelectrically measuring the property of arterial blood 168 1986
4,942,877 Device for measuring oxygen saturation degree in arterial blood 278 1987
 
CARDIAC PACEMAKERS, INC. (3)
4,793,361 Dual channel P-wave detection in surface electrocardiographs 75 1987
4,799,486 Refractoriless atrial sensing in dual chamber pacemakers 90 1987
4,799,493 Dual channel coherent fibrillation detection system 145 1987
 
Criticare Systems, Inc. (3)
4,860,759 Vital signs monitor 109 1987
4,960,126 ECG synchronized pulse oximeter 206 1988
5,842,981 Direct to digital oximeter 201 1996
 
CURATECHNOLOGIES INC. (3)
D353195 Electronic stethoscope housing 169 1993
D353196 Stethoscope head 179 1993
5,602,924 Electronic stethescope 178 1993
 
THOR TECHNOLOGY CORPORATION (3)
4,964,408 Oximeter sensor assembly with integral cable 324 1988
5,069,213 Oximeter sensor assembly with integral cable and encoder 291 1989
5,041,187 Oximeter sensor assembly with integral cable and method of forming the same 251 1990
 
COROMETRICS MEDICAL SYSTEMS, INC. (2)
4,519,396 Fetal heart rate monitor apparatus and method for combining electrically and mechanically derived cardiographic signals 56 1981
4,582,068 Systems and methods for processing physiological signals 33 1984
 
DATEX-OHMEDA, INC. (2)
4,800,885 Blood constituent monitoring apparatus and methods with frequency division multiplexing 213 1987
5,934,277 System for pulse oximetry SpO2 determination 183 1995
 
JOHNSON & JOHNSON MEDICAL, INC. (2)
4,848,901 Pulse oximeter sensor control system 198 1987
4,807,631 Pulse oximetry system 192 1987
 
SENSORMEDICS CORPORATION (2)
4,824,242 Non-invasive oximeter and method 260 1986
4,867,571 Wave form filter pulse detector and method for modulated signal 95 1989
 
The United States of America as represented by the Secretary of the Navy (2)
4,238,746 Adaptive line enhancer 93 1978
4,243,935 Adaptive detector 67 1979
 
VITAL INSITE, INC. (2)
6,045,509 Apparatus and method for measuring an induced perturbation to determine a physiological parameter 230 1998
6,371,921 System and method of determining whether to recalibrate a blood pressure monitor 320 1999
 
AKAMAI TECHNOLOGIES, INC. (1)
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 19 2009
 
ALLEGHENY-SINGER RESEARCH INSTITUTE (1)
4,751,931 Method and apparatus for determining his-purkinje activity 77 1986
 
ARRHYTHMIA RESEARCH TECHNOLOGY, INC. (1)
4,458,691 System and method for predicting ventricular tachycardia by adaptive high pass filter 70 1982
 
BRITISH TECHNOLOGY GROUP LIMITED (1)
4,951,680 Fetal monitoring during labor 51 1988
 
CARDIO ACCESS LLC (1)
4,819,752 Blood constituent measuring device and method 249 1987
 
COLIN ELECTRONICS CO., LTD. (1)
4,796,636 Noninvasive reflectance oximeter 160 1987
 
COLIN MEDICAL TECHNOLOGY CORPORATION (1)
5,054,495 Automatic blood-pressure measuring apparatus 75 1989
 
COVIDIEN LP (1)
6,701,170 Blind source separation of pulse oximetry signals 164 2001
 
E FOR M CORPORATION (1)
5,273,036 Apparatus and method for monitoring respiration 205 1993
 
ERICSSON INC. (1)
4,649,505 Two-input crosstalk-resistant adaptive noise canceller 160 1984
 
FIRST BANK NATIONAL ASSOCIATION (1)
4,773,422 Single channel pulse oximeter 226 1987
 
Invivo Research, Inc. (1)
4,948,248 Blood constituent measuring device and method 175 1989
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (1)
4,667,680 Apparatus and method for reduction in respiration artifact in pulmonary artery pressure measurement 33 1983
 
LIFE FITNESS, A GENERAL PARTNERSHIP OF NY (1)
5,243,993 Apparatus and method for measuring heart rate 65 1991
 
MASIMO LABORATORIES, INC. (1)
6,850,787 Signal component processor 313 2002
 
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (1)
4,956,867 Adaptive beamforming for noise reduction 126 1989
 
Messer Griesheim GmbH (1)
4,967,571 Device for the cryogenic pelletization of liquids 48 1989
 
Mobil Oil Corporation (1)
4,858,199 Method and apparatus for cancelling nonstationary sinusoidal noise from seismic data 38 1988
 
MSA (1)
4,863,265 Apparatus and method for measuring blood constituents 248 1987
 
NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF HEALTH AND HUMAN SERVICES (DHHS), U.S. GOVERNMENT (1)
6,397,091 Manual and automatic probe calibration 385 1999
 
NATIONAL RESEARCH DEVELOPMENT CORPORATION (1)
4,955,379 Motion artefact rejection system for pulse oximeters 212 1988
 
NEC CORPORATION (1)
4,723,294 Noise canceling system 67 1986
 
Nicolay GmbH (1)
4,907,594 Method for the determination of the saturation of the blood of a living organism with oxygen and electronic circuit for performing this method 105 1988
 
Omron Tateisi Electronics Co. (1)
4,927,264 Non-invasive measuring method and apparatus of blood constituents 217 1988
 
OTSUKA ELECTRONICS CO., LTD. (1)
5,057,695 Method of and apparatus for measuring the inside information of substance with the use of light scattering 170 1989
 
Protocol Systems, Inc. (1)
4,949,710 Method of artifact rejection for noninvasive blood-pressure measurement by prediction and adjustment of blood-pressure data 96 1988
 
PURITAN-BENNETT CORPORATION (1)
4,883,353 Pulse oximeter 175 1988
 
RCA LICENSING CORPORATION, TWO INDEPENDENCE WAY, PRINCETON, NJ 08540, A CORP. OF DE (1)
4,617,589 Adaptive frame comb filter system 42 1984
 
SANDIA CORPORATION (1)
5,494,032 Oximeter for reliable clinical determination of blood oxygen saturation in a fetus 260 1994
 
SANKYO COMPANY, LIMITED (1)
5,379,774 Measurement of arterial elasticity and the frequency characteristic of the compliance of an artery 36 1994
 
SENSIDYNE, INC. (1)
5,562,002 Positive displacement piston flow meter with damping assembly 169 1995
 
SONY DEUTSCHLAND GMBH (1)
2005/0200,531 Circular polarised array antenna 1 2005
 
SPACELABS MEDICAL, LLC (1)
5,662,105 System and method for the extractment of physiological signals 129 1995
 
THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY (1)
4,537,200 ECG enhancement by adaptive cancellation of electrosurgical interference 125 1983
 
The BOC Group, Inc. (1)
4,407,290 Blood constituent measuring device and method 294 1981
 
The Perkin-Elmer Corporation (1)
4,883,356 Spectrometer detector mounting assembly 35 1988
 
U.S. Philips Corporation (1)
5,040,201 X-ray exposure synchronization method and apparatus 23 1990
 
UNIVERSITY OF MEDICINE AND DENTISTRY OF NEW JERSEY (1)
5,036,857 Noninvasive diagnostic system for coronary artery disease 77 1989
 
UPS AVIATION TECHNOLOGIES, INC. (1)
5,042,499 Noninvasive electrocardiographic method of real time signal processing for obtaining and displaying instantaneous fetal heart rate and fetal heart rate beat-to-beat variability 70 1990
 
VITA INSITE, INC. (1)
6,027,452 Rapid non-invasive blood pressure measuring device 241 1996
 
VITAL INSIGHT, INC. (1)
5,791,347 Motion insensitive pulse detector 240 1996
 
Other [Check patent profile for assignment information] (8)
4,781,200 Ambulatory non-invasive automatic fetal monitoring system 136 1985
5,458,128 Method and apparatus for noninvasively measuring concentration of a dye in arterial blood 83 1994
2004/0068,164 Signal processing apparatus 129 2003
2007/0249,918 SIGNAL PROCESSING APPARATUS 32 2007
2007/0291,832 SIGNAL PROCESSING APPARATUS 35 2007
2008/0004,514 SIGNAL PROCESSING APPARATUS 34 2007
2008/0033,266 Signal processing apparatus 37 2007
2008/0045,823 SIGNAL PROCESSING APPARATUS 33 2007

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
MASIMO CORPORATION (52)
8,560,034 Signal processing apparatus 0 1998
7,962,190 Signal processing apparatus 35 1998
8,641,631 Non-invasive monitoring of respiratory rate, heart rate and apnea 0 2005
8,000,761 Resposable pulse oximetry sensor 34 2006
7,991,446 Systems and methods for acquiring calibration data usable in a pulse oximeter 35 2006
RE41912 Reusable pulse oximeter probe and disposable bandage apparatus 52 2006
8,046,041 Signal processing apparatus 31 2007
8,046,042 Signal processing apparatus 31 2007
8,036,728 Signal processing apparatus 31 2007
8,175,672 Reusable pulse oximeter probe and disposable bandage apparatii 24 2007
8,532,727 Dual-mode pulse oximeter 1 2007
8,019,400 Signal processing apparatus 36 2007
8,405,608 System and method for altering a display mode 7 2008
8,274,360 Systems and methods for storing, analyzing, and retrieving medical data 13 2008
8,128,572 Signal processing apparatus 24 2008
7,904,132 Sine saturation transform 45 2008
7,937,130 Signal processing apparatus 38 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 49 2009
8,126,528 Signal processing apparatus 26 2009
8,203,438 Alarm suspend system 24 2009
RE43169 Universal modular pulse oximeter probe for use with reusable and disposable patient attachment devices 28 2009
8,401,602 Secondary-emitter sensor position indicator 5 2009
8,346,330 Reflection-detector sensor position indicator 9 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 11 2010
8,430,817 System for determining confidence in respiratory rate measurements 2 2010
RE43860 Reusable pulse oximeter probe and disposable bandage apparatus 9 2010
8,548,548 Physiological measurement communications adapter 0 2010
8,260,577 Variable indication estimator 14 2011
8,228,181 Physiological trend monitor 22 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
8,229,533 Low-noise optical probes for reducing ambient noise 22 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
8,700,112 Secondary-emitter sensor position indicator 0 2013
 
CERCACOR LABORATORIES, INC. (29)
8,224,411 Noninvasive multi-parameter patient monitor 25 2006
8,190,223 Noninvasive multi-parameter patient monitor 26 2006
8,130,105 Noninvasive multi-parameter patient monitor 31 2006
8,050,728 Multiple wavelength sensor drivers 33 2006
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 86 2008
D621516 Patient monitoring sensor 61 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
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
 
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 50 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
 
Carcacor Laboratories, Inc. (1)
8,581,732 Noninvasive multi-parameter patient monitor 0 2012
 
Ceracor Laboratories, Inc. (1)
8,688,183 Emitter driver for noninvasive patient monitor 0 2010
 
COVIDIEN LP (1)
8,238,994 Adjusting parameters used in pulse oximetry analysis 0 2009
 
NELLCOR PURITAN BENNETT LLC (1)
8,506,498 Systems and methods using induced perturbation to determine physiological parameters 0 2008
 
Other [Check patent profile for assignment information] (2)
8,702,627 Acoustic respiratory monitoring sensor having multiple sensing elements 0 2010
8,706,179 Reusable pulse oximeter probe and disposable bandage apparatii 0 2012

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