US Patent No: 8,190,223

Number of patents in Portfolio can not be more than 2000

Noninvasive multi-parameter patient monitor

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ALSO PUBLISHED AS: 20060226992
ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

Embodiments of the present disclosure include a handheld multi-parameter patient monitor capable of determining multiple physiological parameters from the output of a light sensitive detector capable of detecting light attenuated by body tissue. For example, in an embodiment, the monitor is capable of advantageously and accurately displaying one or more of pulse rate, plethysmograph data, perfusion quality, signal confidence, and values of blood constituents in body tissue, including for example, arterial carbon monoxide saturation (“HbCO”), methemoglobin saturation (“HbMet”), total hemoglobin (“Hbt”), arterial oxygen saturation (“SpO2”), fractional arterial oxygen saturation (“SpaO2”), or the like. In an embodiment, the monitor advantageously includes a plurality of display modes enabling more parameter data to be displayed than the available physical display real estate.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CERCACOR LABORATORIES, INC.IRVINE, CA57

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Al-Ali, Ammar Tustin, CA 231 11591
Diab, Mohamed Mission Viejo, CA 43 2005
Fishel, Rick Orange, CA 7 56
Kiani, Joe Laguna Niguel, CA 5 103
Olsen, Greg Tempe, AZ 13 118
Wu, Roger Hsin Chuang City, TW 15 60

Cited Art

Patent Info (Count) # Cites Year
 
MASIMO CORPORATION (184)
4,960,128 Method and apparatus for continuously and non-invasively measuring the blood pressure of a patient 187 1988
5,163,438 Method and apparatus for continuously and noninvasively measuring the blood pressure of a patient 192 1990
5,431,170 Pulse responsive device 384 1992
5,494,043 Arterial sensor 246 1993
5,337,744 Low noise finger cot probe 327 1993
5,490,505 Signal processing apparatus 411 1993
5,533,511 Apparatus and method for noninvasive blood pressure measurement 260 1994
5,590,649 Apparatus and method for measuring an induced perturbation to determine blood pressure 201 1994
D361840 Stethoscope head 125 1994
D362063 Stethoscope headset 122 1994
D363120 Stethoscope ear tip 127 1994
5,482,036 Signal processing apparatus and method 376 1994
5,452,717 Finger-cot probe 314 1994
5,632,272 Signal processing apparatus 387 1994
5,638,818 Low noise optical probe 303 1994
5,758,644 Manual and automatic probe calibration 383 1995
5,769,785 Signal processing apparatus and method 316 1995
5,645,440 Patient cable connector 287 1995
D393830 Patient cable connector 275 1995
5,782,757 Low-noise optical probes 336 1995
5,810,734 Apparatus and method for measuring an induced perturbation to determine a physiological parameter 183 1995
5,830,131 Apparatus and method for measuring an induced perturbation to determine a physical condition of the human arterial system 204 1995
5,833,618 Apparatus and method for measuring an induced perturbation to determine a physiological parameter 191 1995
5,685,299 Signal processing apparatus 312 1995
5,904,654 Exciter-detector unit for measuring physiological parameters 191 1996
5,785,659 Automatically activated blood pressure measurement device 178 1996
5,823,950 Manual and automatic probe calibration 275 1996
6,088,607 Low noise optical probe 335 1997
5,934,925 Patient cable connector 279 1997
6,002,952 Signal processing apparatus and method 352 1997
6,157,850 Signal processing apparatus 308 1997
5,890,929 Shielded medical connector 272 1997
6,081,735 Signal processing apparatus 420 1997
6,263,222 Signal processing apparatus 322 1997
6,184,521 Photodiode detector with integrated noise shielding 277 1998
5,919,134 Method and apparatus for demodulating signals in a pulse oximetry system 295 1998
6,011,986 Manual and automatic probe calibration 324 1998
5,995,855 Pulse oximetry sensor adapter 315 1998
6,525,386 Non-protruding optoelectronic lens 284 1998
5,997,343 Patient cable sensor switch 266 1998
6,229,856 Method and apparatus for demodulating signals in a pulse oximetry system 272 1998
6,067,462 Signal processing apparatus and method 310 1998
6,256,523 Low-noise optical probes 323 1998
6,036,642 Signal processing apparatus and method 300 1998
7,376,453 Signal processing apparatus 81 1998
7,328,053 Signal processing apparatus 89 1998
6,236,872 Signal processing apparatus 290 1998
6,144,868 Reusable pulse oximeter probe and disposable bandage apparatus 228 1999
6,334,065 Stereo pulse oximeter 306 1999
6,285,896 Fetal pulse oximetry sensor 271 1999
6,321,100 Reusable pulse oximeter probe with disposable liner 217 1999
6,349,228 Pulse oximetry sensor adapter 280 1999
6,632,181 Rapid non-invasive blood pressure measuring device 232 1999
6,343,224 Reusable pulse oximeter probe and disposable bandage apparatus 219 1999
6,580,086 Shielded optical probe and method 306 1999
6,943,348 System for detecting injection holding material 140 1999
6,206,830 Signal processing apparatus and method 284 1999
6,165,005 Patient cable sensor switch 261 1999
6,377,829 Resposable pulse oximetry sensor 296 1999
6,152,754 Circuit board based cable connector 286 1999
6,463,311 Plethysmograph pulse recognition processor 262 1999
6,606,511 Pulse oximetry pulse indicator 288 2000
6,515,273 System for indicating the expiration of the useful operating life of a pulse oximetry sensor 279 2000
6,584,336 Universal/upgrading pulse oximeter 298 2000
6,360,114 Pulse oximeter probe-off detector 295 2000
6,699,194 Signal processing apparatus and method 286 2000
6,430,525 Variable mode averager 265 2000
6,526,300 Pulse oximeter probe-off detection system 259 2000
6,470,199 Elastic sock for positioning an optical probe 272 2000
6,697,656 Pulse oximetry sensor compatible with multiple pulse oximetry systems 257 2000
6,770,028 Dual-mode pulse oximeter 268 2000
6,519,487 Reusable pulse oximeter probe and disposable bandage apparatus 219 2000
6,280,213 Patient cable connector 277 2000
6,542,764 Pulse oximeter monitor for expressing the urgency of the patient's condition 265 2000
6,643,530 Method and apparatus for demodulating signals in a pulse oximetry system 261 2000
6,501,975 Signal processing apparatus and method 311 2001
6,684,091 Reusable pulse oximeter probe and disposable bandage method 212 2001
6,541,756 Shielded optical probe having an electrical connector 274 2001
6,388,240 Shielded optical probe and method having a longevity indication 291 2001
6,684,090 Pulse oximetry data confidence indicator 298 2001
6,792,300 Low-noise optical probes for reducing light piping 253 2001
6,595,316 Tension-adjustable mechanism for stethoscope earpieces 131 2001
6,721,585 Universal modular pulse oximeter probe for use with reusable and disposable patient attachment devices 211 2001
6,597,933 Pulse oximetry sensor adapter 269 2001
6,678,543 Optical probe and positioning wrap 318 2001
6,745,060 Signal processing apparatus 268 2001
6,650,917 Signal processing apparatus 298 2001
6,671,531 Sensor wrap including foldable applicator 285 2001
6,654,624 Pulse oximeter probe-off detector 286 2001
6,760,607 Ribbon cable substrate pulse oximetry sensor 242 2001
6,714,804 Stereo pulse oximeter 271 2001
6,852,083 System and method of determining whether to recalibrate a blood pressure monitor 165 2002
6,658,276 Pulse oximeter user interface 278 2002
RE38492 Signal processing apparatus and method 260 2002
6,725,075 Resposable pulse oximetry sensor 267 2002
6,985,764 Flex circuit shielded optical sensor 221 2002
6,697,658 Low power pulse oximeter 282 2002
6,661,161 Piezoelectric biological sound monitor with printed circuit board 142 2002
RE38476 Signal processing apparatus 256 2002
6,999,904 Variable indication estimator 138 2002
6,735,459 Reusable pulse oximeter probe and disposable bandage apparatus 213 2002
6,813,511 Low-noise optical probes for reducing ambient noise 261 2002
6,816,741 Plethysmograph pulse recognition processor 248 2002
7,245,953 Reusable pulse oximeter probe and disposable bandage apparatii 106 2002
6,934,570 Physiological sensor combination 236 2002
6,826,419 Signal processing apparatus and method 247 2002
6,830,711 Mold tool for an optoelectronic element 244 2003
7,067,893 Optoelectronic element with a non-protruding lens 192 2003
7,225,006 Attachment and optical probe 158 2003
6,822,564 Parallel measurement alarm processor 251 2003
6,950,687 Isolation and communication element for a resposable pulse oximetry sensor 233 2003
7,015,451 Power supply rail controller 129 2003
6,861,639 Systems and methods for indicating an amount of use of a sensor 245 2003
6,771,994 Pulse oximeter probe-off detection system 255 2003
6,850,788 Physiological measurement communications adapter 239 2003
7,509,494 Interface cable 48 2003
7,132,641 Shielded optical probe having an electrical connector 194 2003
7,428,432 Systems and methods for acquiring calibration data usable in a pulse oximeter 61 2003
6,993,371 Pulse oximetry sensor adaptor 242 2003
7,096,054 Low noise optical housing 188 2003
7,341,559 Pulse oximetry ear sensor 88 2003
6,898,452 Stereo pulse oximeter 230 2003
7,274,955 Parameter compensated pulse oximeter 86 2003
7,254,433 Signal processing apparatus 173 2003
7,496,393 Signal processing apparatus 48 2003
7,096,052 Optical probe including predetermined emission wavelength based on patient type 180 2003
6,939,305 Rapid non-invasive blood pressure measuring device 138 2003
7,003,339 Method and apparatus for demodulating signals in a pulse oximetry system 208 2003
7,142,901 Parameter compensated physiological monitor 178 2003
7,471,969 Pulse oximeter probe-off detector 53 2003
6,996,427 Pulse oximetry data confidence indicator 246 2003
7,039,449 Resposable pulse oximetry sensor 214 2003
7,496,391 Manual and automatic probe calibration 47 2004
7,469,157 Signal processing apparatus 47 2004
7,295,866 Low power pulse oximeter 153 2004
7,471,971 Signal processing apparatus and method 48 2004
7,215,984 Signal processing apparatus 217 2004
7,499,741 Signal processing apparatus and method 56 2004
7,530,955 Signal processing apparatus 48 2004
7,500,950 Multipurpose sensor port 50 2004
7,530,949 Dual-mode pulse oximeter 55 2004
7,254,431 Physiological parameter tracking system 82 2004
7,024,233 Pulse oximetry data confidence indicator 219 2004
7,483,730 Low-noise optical probes for reducing ambient noise 47 2004
7,254,434 Variable pressure reusable sensor 165 2004
7,044,918 Plethysmograph pulse recognition processor 125 2004
7,030,749 Parallel measurement alarm processor 149 2004
7,483,729 Pulse oximeter access apparatus and method 47 2004
7,373,193 Pulse oximetry data capture system 92 2004
7,383,070 Signal processing apparatus 80 2004
7,280,858 Pulse oximetry sensor 166 2005
7,373,194 Signal component processor 73 2005
D554263 Portable patient monitor 86 2005
D566282 Stand for a portable patient monitor 72 2005
7,371,981 Connector switch 74 2005
6,979,812 Systems and methods for indicating an amount of use of a sensor 206 2005
7,438,683 Application identification sensor 57 2005
7,415,297 Physiological parameter system 60 2005
7,292,883 Physiological assessment system 81 2005
7,215,986 Signal processing apparatus 112 2005
7,041,060 Rapid non-invasive blood pressure measuring device 122 2005
7,272,425 Pulse oximetry sensor including stored sensor data 122 2005
7,340,287 Flex circuit shielded optical sensor 73 2005
7,186,966 Amount of use tracking device and method for medical product 117 2005
7,221,971 Method and apparatus for demodulating signals in a pulse oximetry system 92 2005
7,377,794 Multiple wavelength sensor interconnect 73 2006
7,499,835 Variable indication estimator 53 2006
RE41317 Universal modular pulse oximeter probe for use with reusable and disposable patient attachment devices 37 2006
7,190,261 Arrhythmia alarm processor 100 2006
7,618,375 Rapid non-invasive blood pressure measuring device 40 2006
7,377,899 Sine saturation transform 71 2006
7,489,958 Signal processing apparatus and method 57 2006
7,899,507 Physiological monitor 20 2006
7,454,240 Signal processing apparatus 51 2006
7,332,784 Method of providing an optoelectronic element with a non-protruding lens 72 2006
7,530,942 Remote sensing infant warmer 47 2006
7,526,328 Manual and automatic probe calibration 47 2006
7,355,512 Parallel alarm processor 77 2007
7,467,002 Sine saturation transform 51 2007
7,509,154 Signal processing apparatus 54 2007
7,734,320 Sensor isolation 35 2007
D587657 Connector assembly 48 2007
D609193 Connector assembly 41 2007
D614305 Connector assembly 38 2008
 
NELLCOR PURITAN BENNETT INCORPORATED (60)
4,685,464 Durable sensor for detecting optical pulses 243 1985
4,621,643 Calibrated optical oximeter probe 319 1986
4,653,498 Pulse oximeter monitor 309 1986
4,700,708 Calibrated optical oximeter probe 312 1986
4,770,179 Calibrated optical oximeter probe 201 1987
4,869,254 Method and apparatus for calculating arterial oxygen saturation 236 1988
4,911,167 Method and apparatus for detecting optical pulses 262 1988
4,938,218 Perinatal pulse oximetry sensor 251 1988
4,934,372 Method and apparatus for detecting optical pulses 207 1989
5,259,381 Apparatus for the automatic calibration of signals employed in oximetry 184 1989
5,078,136 Method and apparatus for calculating arterial oxygen saturation based plethysmographs including transients 190 1989
5,267,563 Oximeter sensor with perfusion enhancing 122 1991
5,351,685 Condensed oximeter system with noise reduction software 163 1991
5,209,230 Adhesive pulse oximeter sensor with reusable portion 189 1991
5,246,002 Noise insensitive pulse transmittance oximeter 148 1992
RE35122 Method and apparatus for detecting optical pulses 149 1992
5,368,224 Method for reducing ambient noise effects in electronic monitoring instruments 230 1992
5,392,777 Oximeter sensor with perfusion enhancing 115 1993
5,645,059 Medical sensor with modulated encoding scheme 118 1993
5,421,329 Pulse oximeter sensor optimized for low saturation 134 1994
5,533,507 Condensed oximeter system with noise reduction software 107 1994
5,782,237 Pulse oximeter and sensor optimized for low saturation 111 1995
RE36000 Adhesive pulse oximeter sensor with reusable portion 121 1995
5,577,500 Condensed oximeter system with noise reduction software 98 1995
5,779,630 Medical sensor with modulated encoding scheme 127 1995
5,678,544 Disposable pulse oximeter sensor 149 1995
5,676,141 Electronic processor for pulse oximeters 147 1995
5,743,263 Pulse Oximeter using a virtual trigger for heart rate synchronization 115 1995
5,839,439 Oximeter sensor with rigid inner housing and pliable overmold 122 1995
5,660,567 Medical sensor connector with removable encoding device 237 1995
5,810,724 Reusable sensor accessory containing a conformable spring activated rubber sleeved clip 127 1995
5,807,247 Method and apparatus for facilitating compatibility between pulse oximeters and sensor probes 126 1995
5,818,985 Optical oximeter probe adapter 114 1995
5,746,697 Medical diagnostic apparatus with sleep mode 154 1996
5,713,355 Method and apparatus for reducing ambient noise effects in electronic monitoring instruments 123 1996
5,752,914 Continuous mesh EMI shield for pulse oximetry sensor 104 1996
5,853,364 Method and apparatus for estimating physiological parameters using model-based adaptive filtering 231 1996
5,823,952 Pulse oximeter sensor with differential slip coefficient 112 1996
5,803,910 Condensed oximeter system and method with noise reduction software 114 1996
5,782,756 Method and apparatus for in vivo blood constituent analysis 113 1996
5,851,179 Pulse oximeter sensor with articulating head 110 1996
6,018,673 Motion compatible sensor for non-invasive optical blood analysis 157 1996
5,921,921 Pulse oximeter with sigma-delta converter 118 1996
5,910,108 Method and apparatus for improving the durability of a sensor 108 1997
5,885,213 Method and apparatus for reducing ambient noise effects in electronic monitoring instruments 121 1997
5,865,736 Method and apparatus for nuisance alarm reductions 150 1997
6,023,541 Active optical oximeter probe adapter 127 1998
5,916,154 Method of enhancing performance in pulse oximetry via electrical stimulation 133 1998
6,083,172 Method and apparatus for estimating physiological parameters using model-based adaptive filtering 161 1998
6,112,107 Flexible sensor with bulge enhancing contact 113 1998
6,374,129 Motion compatible sensor for non-invasive optical blood analysis 133 1999
6,411,833 Method and apparatus for estimating physiological parameters using model-based adaptive filtering 137 1999
6,708,049 Sensor with signature of data relating to sensor 157 2000
6,721,584 Method and apparatus for estimating physiological parameters using model-based adaptive filtering 111 2001
6,836,679 Method and apparatus for estimating physiological parameters using model-based adaptive filtering 113 2002
6,845,256 Motion compatible sensor for non-invasive optical blood analysis 130 2002
6,681,126 Method and apparatus for improving the durability of a sensor 94 2002
2004/0006,261 Oximeter sensor with digital memory encoding patient data 97 2003
2004/0162,472 Sensor with signature of data relating to sensor 99 2004
2005/0228,253 Photoplethysmography with a spatially homogenous multi-color source 17 2004
 
DATEX-OHMEDA, INC. (46)
4,781,195 Blood monitoring apparatus and methods with amplifier input dark current correction 130 1987
4,800,885 Blood constituent monitoring apparatus and methods with frequency division multiplexing 195 1987
4,846,183 Blood parameter monitoring apparatus and methods 158 1987
5,297,548 Arterial blood monitoring probe 181 1993
5,335,659 Nasal septum probe for photoplethysmographic measurements 32 1993
5,387,122 Pulse oximeter probe connector 134 1993
5,503,148 System for pulse oximetry SPO.sub.2 determination 158 1994
5,676,139 Spring clip probe housing 106 1994
5,934,277 System for pulse oximetry SpO2 determination 163 1995
5,851,178 Instrumented laser diode probe connector 98 1995
5,685,301 Apparatus for precise determination of operating characteristics of optical devices contained in a monitoring probe 99 1995
6,253,097 Noninvasive medical monitoring instrument using surface emitting laser devices 149 1996
5,790,729 Photoplethysmographic instrument having an integrated multimode optical coupler device 113 1996
5,891,022 Apparatus for performing multiwavelength photoplethysmography 109 1996
5,842,979 Method and apparatus for improved photoplethysmographic monitoring of oxyhemoglobin, deoxyhemoglobin, carboxyhemoglobin and methemoglobin 114 1997
5,954,644 Method for ambient light subtraction in a photoplethysmographic measurement instrument 132 1997
5,817,010 Disposable sensor holder 129 1997
5,827,182 Multiple LED sets in oximetry sensors 101 1997
5,919,133 Conformal wrap for pulse oximeter sensor 142 1997
5,891,024 Two stage calibration and analyte measurement scheme for spectrophotomeric analysis 112 1997
6,018,674 Fast-turnoff photodiodes with switched-gain preamplifiers in photoplethysmographic measurement instruments 103 1997
5,983,122 Apparatus and method for improved photoplethysmographic monitoring of multiple hemoglobin species using emitters having optimized center wavelengths 100 1997
6,014,576 Segmented photoplethysmographic sensor with universal probe-end 123 1998
6,415,166 Photoplethysmographic device with remote facsimile 37 1999
6,360,113 Photoplethysmographic instrument 92 1999
6,363,269 Synchronized modulation/demodulation method and apparatus for frequency division multiplexed spectrophotometric system 98 1999
6,397,092 Oversampling pulse oximeter 111 1999
6,408,198 Method and system for improving photoplethysmographic analyte measurements by de-weighting motion-contaminated data 108 2000
6,434,408 Pulse oximetry method and system with improved motion correction 101 2000
6,505,060 Method and apparatus for determining pulse oximetry differential values 95 2000
6,505,133 Simultaneous signal attenuation measurements utilizing code division multiplexing 96 2000
6,501,974 Compensation of human variability in pulse oximetry 141 2001
6,510,329 Detection of sensor off conditions in a pulse oximeter 221 2001
6,505,061 Pulse oximetry sensor with improved appendage cushion 104 2001
6,668,183 Diode detection circuit 116 2001
6,714,803 Pulse oximetry SpO2 determination 105 2001
6,882,874 Compensation of human variability in pulse oximetry 102 2002
6,778,923 Reduced cross talk pulse oximeter 94 2002
6,748,253 Oversampling pulse oximeter 96 2002
6,720,734 Oximeter with nulled op-amp current feedback 98 2002
6,825,619 Feedback-controlled LED switching 99 2002
6,839,582 Pulse oximetry method and system with improved motion correction 96 2002
6,745,061 Disposable oximetry sensor 107 2002
6,987,994 Pulse oximetry SpO2 determination 33 2003
7,001,337 Monitoring physiological parameters based on variations in a photoplethysmographic signal 50 2004
6,931,269 Multi-domain motion estimation and plethysmographic recognition using fuzzy neural-nets 120 2004
 
CERCACOR LABORATORIES, INC. (39)
5,638,816 Active pulse blood constituent monitoring 277 1995
5,743,262 Blood glucose monitoring system 454 1995
5,760,910 Optical filter for spectroscopic measurement and method of producing the optical filter 261 1995
5,860,919 Active pulse blood constituent monitoring method 292 1997
6,110,522 Blood glucose monitoring system 188 1998
5,940,182 Optical filter for spectroscopic measurement and method of producing the optical filter 261 1998
6,151,516 Active pulse blood constituent monitoring 244 1998
6,278,522 Optical filter for spectroscopic measurement and method of producing the optical filter 261 1999
6,639,668 Asynchronous fluorescence scan 79 2000
6,931,268 Active pulse blood constituent monitoring 143 2000
6,597,932 Generation of spatially-averaged excitation-emission map in heterogeneous tissue 82 2001
6,640,116 Optical spectroscopy pathlength measurement system 233 2001
6,920,345 Optical sensor including disposable and reusable elements 226 2003
6,961,598 Pulse and active pulse spectraphotometry 190 2003
7,003,338 Method and apparatus for reducing coupling between signals 202 2003
7,149,561 Optical spectroscopy pathlength measurement system 96 2003
7,027,849 Blood parameter measurement system 241 2003
6,970,792 Systems and methods for determining blood oxygen saturation values using complex number encoding 143 2003
7,343,186 Multi-wavelength physiological monitor 83 2005
7,289,835 Multivariate analysis of green to ultraviolet spectra of cell and tissue samples 99 2005
7,225,007 Optical sensor including disposable and reusable elements 100 2005
7,239,905 Active pulse blood constituent monitoring 91 2005
7,440,787 Systems and methods for determining blood oxygen saturation values using complex number encoding 52 2005
7,596,398 Multiple wavelength sensor attachment 43 2006
7,647,083 Multiple wavelength sensor equalization 40 2006
7,729,733 Configurable physiological measurement system 38 2006
7,957,780 Physiological parameter confidence measure 15 2006
2006/0211,922 Multiple wavelength sensor substrate 12 2006
2006/0211,923 Multiple wavelength sensor equalization 10 2006
2006/0211,924 Multiple wavelength sensor emitters 12 2006
2006/0211,925 Physiological parameter confidence measure 17 2006
2006/0211,932 Configurable physiological measurement system 19 2006
2006/0226,992 Noninvasive multi-parameter patient monitor 24 2006
2006/0229,509 Multiple wavelength sensor attachment 12 2006
2006/0238,358 Noninvasive multi-parameter patient monitor 19 2006
2006/0241,363 Multiple wavelength sensor drivers 14 2006
7,563,110 Multiple wavelength sensor interconnect 46 2008
D606659 Patient monitor 53 2008
2011/0237,914 PHYSIOLOGICAL PARAMETER CONFIDENCE MEASURE 5 2011
 
COVIDIEN LP (35)
6,094,592 Methods and apparatus for estimating a physiological parameter using transforms 153 1998
6,226,539 Pulse oximeter having a low power led drive 109 1999
6,298,252 Oximeter sensor with encoder connected to detector 114 1999
6,351,658 Multiple-code oximeter calibration element 100 1999
6,463,310 Method and circuit for storing and providing historical physiological data 132 2000
6,675,031 Method and circuit for indicating quality and accuracy of physiological measurements 107 2000
6,919,566 Method of calibrating a spectroscopic device 15 2000
6,928,311 Compact device for measuring, tissue analytes 18 2000
6,490,466 Interconnect circuit between non-compatible oximeter and sensor 96 2000
6,571,113 Oximeter sensor adapter with coding element 102 2000
6,606,509 Method and apparatus for improving the accuracy of noninvasive hematocrit measurements 112 2001
6,801,797 Pulse oximeter sensor with piece-wise function 155 2001
6,754,516 Nuisance alarm reductions in a physiological monitor 110 2001
6,615,151 Method for creating spectral instrument variation tolerance in calibration algorithms 21 2001
6,553,241 Oximeter sensor with digital memory encoding sensor expiration data 222 2001
6,591,123 Oximeter sensor with digital memory recording sensor data 118 2001
6,606,510 Oximeter sensor with digital memory encoding patient data 93 2001
6,701,170 Blind source separation of pulse oximetry signals 138 2001
6,839,579 Temperature indicating oximetry sensor 96 2001
6,975,891 Raman spectroscopic system with integrating cavity 20 2001
6,582,964 Method and apparatus for rapid measurement of HbA1c 21 2002
6,657,717 Device for verifying the accuracy of a spectral analyzer 16 2002
6,741,875 Method for determination of analytes using near infrared, adjacent visible spectrum and an array of longer near infrared wavelengths 19 2002
6,614,521 Device for verifying the accuracy of a spectral analyzer 15 2002
6,741,876 Method for determination of analytes using NIR, adjacent visible spectrum and discrete NIR wavelenths 64 2002
6,788,849 Volume or stacked holographic diffraction gratings for wavelength division multiplexing and spectroscopy 22 2002
6,748,254 Stacked adhesive optical sensor 111 2002
6,912,049 Electromagnetic radiation attenuating and scattering member with improved thermal stability 15 2002
7,006,856 Signal quality metrics design for qualifying data for a physiological monitor 102 2003
6,917,422 Device for reference measurement and photometric correction in non-invasive glucose measurement using near infrared spectroscopy 15 2003
2005/0197,579 Method and apparatus for optical detection of mixed venous and arterial blood pulsation in tissue 25 2004
2005/0203,357 Pulse oximetry motion artifact rejection using near infrared absorption by water 1 2004
2005/0203,357 Pulse oximetry motion artifact rejection using near infrared absorption by water 1 2004
2005/0203,357 Pulse oximetry motion artifact rejection using near infrared absorption by water 1 2004
2006/0030,764 Method and circuit for indicating quality and accuracy of physiological measurements 96 2005
 
NIHON KOHDEN CORPORATION (31)
4,832,484 Apparatus for determining the concentration of a light-absorbing material in blood 138 1987
5,190,040 Apparatus for measuring the change in the concentration of a pigment in blood 29 1991
5,278,627 Apparatus for calibrating pulse oximeter 99 1992
5,313,940 Photo-electric pulse wave measuring probe 138 1992
5,267,562 Pulse oximeter with probe difference compensation 130 1992
5,385,143 Apparatus for measuring predetermined data of living tissue 170 1993
5,355,882 Pulse oximeter 124 1993
5,427,093 Oximeter probe 108 1993
5,413,101 Pulse oximeter probe 121 1994
5,520,177 Oximeter probe 135 1994
5,595,176 Pulse oximeter 113 1994
5,697,371 Apparatus for measuring circulating blood volume 21 1994
5,551,423 Pulse oximeter probe 124 1995
5,584,299 Heart pulse wave detecting device using iterative base point detection 35 1995
5,590,652 Drive circuit for light-emitting diode in pulse oximeter 102 1996
5,720,284 Apparatus for measuring hemoglobin 68 1996
5,690,104 Apparatus and method for measuring oxygen saturation in blood and apparatus and method for measuring concentration of light-absorbing materials in blood 28 1996
5,999,841 Apparatus for measuring circulating blood volume 26 1997
5,995,859 Method and apparatus for accurately measuring the saturated oxygen in arterial blood by substantially eliminating noise from the measurement signal 144 1997
5,876,348 Blood pressure monitoring apparatus 31 1997
6,154,667 Pulse oximeter probe 137 1998
6,230,035 Apparatus for determining concentrations of light-absorbing materials in living tissue 148 1999
6,453,184 Device for measuring light absorption materials in blood 96 2000
6,671,526 Probe and apparatus for determining concentration of light-absorbing materials in living tissue 134 2000
6,665,551 Current driving system of light emitting diode 95 2000
6,546,267 Biological sensor 133 2000
6,415,236 Apparatus for determining concentrations of hemoglobins 70 2000
2002/0038,078 Apparatus for measuring/determining concentrations of light absorbing materials in blood 94 2001
6,622,095 Apparatus for determining concentrations of hemoglobins 70 2002
6,780,158 Signal processing method and pulse wave signal processing method 96 2002
2004/0092,805 Signal processing method, and pulse photometer using the method 90 2003
 
SANDIA CORPORATION (18)
5,355,880 Reliable noninvasive measurement of blood gases 324 1992
5,596,992 Multivariate classification of infrared spectra of cell and tissue samples 161 1993
5,435,309 Systematic wavelength selection for improved multivariate spectral analysis 157 1993
6,304,675 Visual cluster analysis and pattern recognition methods 27 1993
5,494,032 Oximeter for reliable clinical determination of blood oxygen saturation in a fetus 234 1994
5,630,413 Reliable noninvasive measurement of blood gases 230 1994
5,857,462 Systematic wavelength selection for improved multivariate spectral analysis 115 1995
6,073,037 Near-infrared noninvasive determination of pH in pulse mode 66 1998
6,157,041 Methods and apparatus for tailoring spectroscopic calibration models 113 1999
6,341,257 Hybrid least squares multivariate spectral analysis methods 43 2000
6,441,388 Methods and apparatus for spectroscopic calibration model transfer 46 2000
6,528,809 Methods and apparatus for tailoring spectroscopic calibration models 43 2000
6,584,413 Apparatus and system for multivariate spectral analysis 68 2001
6,675,106 Method of multivariate spectral analysis 60 2001
6,711,503 Hybrid least squares multivariate spectral analysis methods 35 2001
6,687,620 Augmented classical least squares multivariate spectral analysis 24 2002
6,842,702 Augmented classical least squares multivariate spectral analysis 23 2003
6,922,645 Augmented classical least squares multivariate spectral analysis 19 2004
 
NELLCOR, INCORPORATED (9)
5,348,004 Electronic processor for pulse oximeter 147 1993
5,555,882 Method and apparatus for reducing ambient noise effects in electronic monitoring instruments 120 1994
5,995,856 Non-contact optical monitoring of physiological parameters 153 1995
5,662,106 Oximeter with motion detection for alarm modification 128 1996
5,746,206 Isolated layer pulse oximetry 110 1996
6,068,594 Parameter disturbance response apparatus 15 1997
6,272,363 Pulse oximeter and sensor optimized for low saturation 114 1998
6,662,033 Pulse oximeter and sensor optimized for low saturation 107 2001
2005/0143,634 Method and apparatus for estimating a physiological parameter 27 2005
 
MINOLTA CAMERA KABUSHIKI KAISHA (8)
4,267,844 Medical instrument for determining jaundice 71 1979
4,266,554 Digital oximeter 180 1979
4,446,871 Optical analyzer for measuring a construction ratio between components in the living tissue 109 1980
4,586,513 Noninvasive device for photoelectrically measuring the property of arterial blood 180 1983
4,714,341 Multi-wavelength oximeter having a means for disregarding a poor signal 261 1985
4,694,833 Noninvasive device for photoelectrically measuring the property of arterial blood 151 1986
4,942,877 Device for measuring oxygen saturation degree in arterial blood 252 1987
4,986,665 Optical density detector 40 1988
 
CEDARS-SINAI MEDICAL CENTER (7)
5,377,676 Method for determining the biodistribution of substances using fluorescence spectroscopy 141 1993
5,341,805 Glucose fluorescence monitor and method 169 1993
5,456,252 Induced fluorescence spectroscopy blood perfusion and pH monitor and method 128 1993
6,232,609 Glucose monitoring apparatus and method using laser-induced emission spectroscopy 93 1995
6,124,597 Method and devices for laser induced fluorescence attenuation spectroscopy 148 1997
6,697,657 Method and devices for laser induced fluorescence attenuation spectroscopy (LIFAS) 80 2000
RE39672 Method and devices for laser induced fluorescence attenuation spectroscopy 84 2002
 
NELLCOR PURITAN BENNETT LLC (6)
5,361,758 Method and device for measuring concentration levels of blood constituents non-invasively 241 1991
5,429,128 Finger receptor 113 1993
5,645,060 Method and apparatus for removing artifact and noise from pulse oximetry 174 1995
6,522,398 Apparatus for measuring hematocrit 16 2000
2005/0085,735 Method and apparatus for estimating a physiological parameter 27 2004
2005/0070,773 Motion compatible sensor for non-invasive optical blood analysis 89 2004
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (5)
5,800,348 Apparatus and method for medical monitoring, in particular pulse oximeter 133 1996
2002/0159,002 Direct backlighting for liquid crystal displays 82 2001
6,726,634 System and method for determining a condition of a patient 30 2002
6,631,281 Recognition of a useful signal in a measurement signal 115 2002
6,654,623 Interference suppression for measuring signals with periodic wanted signals 133 2002
 
WOOLSTHORPE TECHNOLOGIES (5)
6,537,225 Device and method for noninvasive continuous determination of physiologic characteristics 58 2000
6,480,729 Method for determining blood constituents 99 2001
6,819,950 Method for noninvasive continuous determination of physiologic characteristics 112 2001
6,719,705 Device and method for noninvasive continuous determination of physiologic characteristics 97 2002
6,921,367 Device and method for noninvasive continuous determination of physiologic characteristics 19 2004
 
ESSENTIAL MEDICAL DEVICES, INC. (4)
5,810,723 Non-invasive carboxyhemoglobin analyer 108 1996
6,064,898 Non-invasive blood component analyzer 179 1998
6,397,093 Non-invasive carboxyhemoglobin analyzer 101 2000
6,615,064 Non-invasive blood component analyzer 154 2000
 
GLT ACQUISITION CORP. (4)
7,356,365 Method and apparatus for tissue oximetry 37 2004
7,254,429 Method and apparatus for monitoring glucose levels in a biological tissue 96 2004
7,510,849 OCT based method for diagnosis and therapy 35 2005
2011/0009,719 MULTIPLE WAVELENGTH SENSOR SUBSTRATE 6 2010
 
CURATECHNOLOGIES INC. (3)
D353195 Electronic stethoscope housing 122 1993
D353196 Stethoscope head 132 1993
5,602,924 Electronic stethescope 130 1993
 
FIRST BANK NATIONAL ASSOCIATION (3)
4,773,422 Single channel pulse oximeter 208 1987
RE33643 Pulse oximeter with circuit leakage and ambient light compensation 104 1990
5,490,523 Finger clip pulse oximeter 138 1994
 
MALLINCKRODT INC. (3)
6,356,774 Oximeter sensor with encoded temperature characteristic 181 1999
6,600,940 Oximeter sensor with digital memory 111 2001
6,628,975 Oximeter sensor with digital memory storing data 100 2001
 
PHILIPS ELECTRONICS NORTH AMERICA CORPORATION (3)
5,058,588 Oximeter and medical sensor therefor 194 1989
5,337,745 Device and method for in vivo qualitative or quantative measurement of blood chromophore concentration using blood pulse spectrophotometry 96 1993
6,725,074 Quality indicator for measurement signals, in particular, for medical measurement signals such as those used in measuring oxygen saturation 113 2002
 
RIC INVESTMENTS, LLC. (3)
6,519,486 Method, apparatus and system for removing motion artifacts from measurements of bodily parameters 141 2000
6,810,277 Method, apparatus and system for removing motion artifacts from measurements of bodily parameters 130 2002
6,839,580 Adaptive calibration for pulse oximetry 95 2002
 
SPACELABS HEALTHCARE, LLC (3)
5,687,722 System and method for the algebraic derivation of physiological signals 104 1995
5,588,427 Enhancement of physiological signals using fractal analysis 128 1995
6,497,659 System for identifying a cable transmitting a signal from a sensor to an electronic instrument 63 1999
 
THE GENERAL HOSPITAL CORPORATION (3)
6,505,059 Non-invasive tissue glucose level monitoring 167 1999
6,721,582 Non-invasive tissue glucose level monitoring 98 2001
6,728,560 Non-invasive tissue glucose level monitoring 156 2002
 
THOR TECHNOLOGY CORPORATION (3)
4,964,408 Oximeter sensor assembly with integral cable 262 1988
5,069,213 Oximeter sensor assembly with integral cable and encoder 231 1989
5,041,187 Oximeter sensor assembly with integral cable and method of forming the same 199 1990
 
TOSHIBA AMERICA RESEARCH, INC. (3)
2002/0191,558 Distributed soft handoff among IP-based base stations 2001
2002/0191,558 Distributed soft handoff among IP-based base stations 2001
2002/0191,558 Distributed soft handoff among IP-based base stations 2001
 
UNIVERSITY OF SOUTH FLORIDA (3)
5,575,284 Portable pulse oximeter 286 1994
5,830,137 Green light pulse oximeter 166 1996
6,330,468 System using green light to determine parmeters of a cardiovascular system 137 1998
 
CENTURY MEDICAL KABUSHIKI KAISHA (2)
5,603,623 Lock mechanism for a connector 22 1994
5,807,246 Display device in medical examination and treatment system 97 1995
 
CRITICARE SYSTEMS, INC. (2)
4,960,126 ECG synchronized pulse oximeter 186 1988
6,526,301 Direct to digital oximeter and method for calculating oxygenation levels 134 2000
 
FUTREX, INC. (2)
5,028,787 Non-invasive measurement of blood glucose 314 1989
5,077,476 Instrument for non-invasive measurement of blood glucose 283 1990
 
HITACHI MEDICAL CORPORATION (2)
6,542,763 Optical measurement equipment and recording medium and optical measurement method 18 2000
6,611,698 Optical measuring instrument 27 2001
 
MEDTRONIC, INC. (2)
6,466,824 Bi-atrial and/or bi-ventricular patient safety cable and methods regarding same 11 2001
2002/0183,819 BI-ATRIAL AND/OR BI-VENTRICULAR PATIENT SAFETY CABLE AND METHODS REGARDING SAME 17 2001
 
MORTARA INSTRUMENT, INC. (2)
6,697,655 Low power pulse oximeter 101 2001
6,564,077 Method and apparatus for pulse oximetry 100 2001
 
NONIN MEDICAL, INC. (2)
5,792,052 Finger clip pulse oximeter 125 1995
5,800,349 Offset pulse oximeter sensor 123 1997
 
SANDIA NATIONAL LABORATORIES (2)
6,504,943 Information-efficient spectral imaging sensor 51 1999
6,415,233 Classical least squares multivariate spectral analysis 34 2000
 
TERUMO CARDIOVASCULAR SYSTEMS CORPORATION (2)
5,553,615 Method and apparatus for noninvasive prediction of hematocrit 174 1994
5,755,226 Method and apparatus for noninvasive prediction of hematocrit 144 1996
 
UNIVERSITY OF MASSACHUSETTS (2)
6,006,119 Non-invasive optical measurement of blood hematocrit 41 1998
6,304,767 Non-invasive optical measurement of blood hematocrit 63 1999
 
VITAL INSITE, INC. (2)
6,045,509 Apparatus and method for measuring an induced perturbation to determine a physiological parameter 175 1998
6,371,921 System and method of determining whether to recalibrate a blood pressure monitor 248 1999
 
ALBERT EINSTEIN HEALTHCARE NETWORK (1)
6,174,283 Apparatus and method for monitoring a system and displaying the status of the system 16 1996
 
ANDROMED, INC. (1)
5,561,275 Headset for electronic stethoscope 91 1994
 
AT&T BELL LABORATORIES (1)
5,226,053 Light emitting diode 116 1991
 
BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT (1)
2004/0034,898 Self-tinting helmet visor and method of making same 7 2002
 
BRUNSWICK BIOMEDICAL CORPORATION (1)
4,531,527 Ambulatory monitoring system with real time analysis and telephone transmission 369 1982
 
CAMBRIDGE RESEARCH & INSTRUMENTATION, INC. (1)
6,690,466 Spectral imaging system 50 2001
 
COLIN MEDICAL TECHNOLOGY CORPORATION (1)
5,054,495 Automatic blood-pressure measuring apparatus 69 1989
 
COMMISSARIAT A L'ENERGIE ATOMIQUE (1)
4,879,913 Transducer for bending and twisting moments 2 1988
 
CONMED CORPORATION (1)
6,658,277 Signal processing method and device for signal-to-noise improvement 138 2001
 
DAEDALUS I , L.L.C. (1)
6,694,157 Method and apparatus for determination of pH pCO2, hemoglobin, and hemoglobin oxygen saturation 31 1999
 
DAEDULUS 1, L.L.C. (1)
5,978,691 Device and method for noninvasive continuous determination of blood gases, pH, hemoglobin level, and oxygen content 132 1997
 
DRAEGER MEDICAL SYSTEMS, INC. (1)
6,773,397 System for processing signal data representing physiological parameters 99 2002
 
ENERGY, UNITED STATES DEPARTMENT OF (1)
4,975,581 Method of and apparatus for determining the similarity of a biological analyte from a model constructed from known biological fluids 335 1989
 
FUJI PHOTO FILM CO., LTD. (1)
6,151,518 Instrument for measuring concentrations of constituent parts of blood 107 1999
 
GE MEDICAL SYSTEMS INFORMATION TECHNOLOGIES, INC. (1)
6,829,501 Patient monitor and method with non-invasive cardiac output monitoring 47 2001
 
GENERAL ELECTRIC COMPANY (1)
6,800,373 Epoxy resin compositions, solid state devices encapsulated therewith and method 24 2002
 
GLENN PATENT GROUP (1)
2005/0054,908 Photostimulation method and apparatus in combination with glucose determination 68 2004
 
GOURLEY, PAUL L, PHD (1)
5,793,485 Resonant-cavity apparatus for cytometry or particle analysis 152 1997
 
HALLIBURTON ENERGY SERVICES, INC. (1)
2005/0183,502 Motion-responsive coupled masses 2005
 
HAMAMATSU PHOTONICS K.K. (1)
4,907,876 Examination apparatus for measuring oxygenation in body organs 45 1988
 
HEWLETT-PACKARD COMPANY (1)
5,189,609 Medical monitoring system with softkey control 40 1991
 
I.S.S. (USA) INC. (1)
6,192,261 Photosensor with multiple light sources 56 1998
 
INLIGHT SOLUTIONS, INC. (1)
2004/0204,868 Reduction of errors in non-invasive tissue sampling 19 2003
 
INSTRUMENTARIUM CORP. (1)
6,285,895 Measuring sensor for monitoring characteristics of a living tissue 175 1998
 
INSTRUMENTARIUM OY (1)
6,104,938 Procedure, apparatus and detector for the determination of fractional oxygen saturation 140 1998
 
KESTREL LABS, INC. (1)
6,754,515 Stabilization of noisy optical sources in photoplethysmography 95 2002
 
KINDERLIFE INSTRUMENTS, INC. (1)
6,594,511 Method and apparatus for determining physiological characteristics 103 2001
 
KURABO INDUSTRIES LTD. (1)
4,655,225 Spectrophotometric method and apparatus for the non-invasive 354 1985
 
LIGHTOUCH MEDICAL, INC. (1)
6,377,828 Method for non-invasive measurement of an analyte 90 2000
 
LUMIDIGM, INC. (1)
2006/0210,120 BIOMETRIC SENSOR 32 2006
 
LUMINOUS MEDICAL, INC. (1)
6,944,487 Determination of pH including hemoglobin correction 15 2004
 
MASIMO LABORATORIES, INC. (1)
6,850,787 Signal component processor 236 2002
 
MCGILL UNIVERSITY (1)
6,241,683 Phonospirometry for non-invasive monitoring of respiration 104 1999
 
MESSER GRIESHEIM GMBH (1)
4,967,571 Device for the cryogenic pelletization of liquids 43 1989
 
MINE SAFETY APPLIANCES COMPANY (1)
5,247,931 Diagnostic sensor clasp utilizing a slot, pivot and spring hinge mechanism 142 1991
 
MINOLTA CO., LTD. (1)
6,829,496 Blood component measurement apparatus 117 2002
 
MINOLTA CO., LTD. (1)
6,847,835 Transcutaneous bilirubin concentration measuring apparatus and a measurement data checking plate for use with the same 15 2000
 
MITSUBISHI GAS CHEMICAL COMPANY, INC. (1)
2004/0229,391 LED lamp manufacturing process 10 2004
 
MITSUI MINING & SMELTING CO., LTD. (1)
6,149,588 Blood sugar value measuring method and apparatus 26 1999
 
MIYASAKA, KATSUYUKI (1)
4,964,010 Apparatus for limiting a time integration value of a pulsed current 18 1989
 
MSA (1)
4,863,265 Apparatus and method for measuring blood constituents 222 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 312 1999
 
NATIONAL RESEARCH DEVELOPMENT CORPORATION (1)
4,955,379 Motion artefact rejection system for pulse oximeters 187 1988
 
NICHIA CORPORATION (1)
6,545,652 Image display apparatus and its method of operation 27 2000
 
OMRON HEALTHCARE CO., LTD. (1)
5,025,791 Pulse oximeter with physical motion sensor 170 1990
 
OPTICAL COMMUNICATION PRODUCTS, INC. (1)
6,861,641 Hermetically sealed optical subassembly 8 2002
 
OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG (1)
2003/0160,257 Radiation-emitting semiconductor component with a vertical emission direction and fabrication method for producing the semiconductor component 8 2003
 
PALCO LABS, INC. (1)
6,618,602 Method and apparatus for simultaneously determining a patient's identification and blood oxygen saturation 95 2002
 
PRECISION PULSUS, INC. (1)
6,869,402 Method and apparatus for measuring pulsus paradoxus 26 2002
 
PROVIDENCE HEALTH SYSTEM - OREGON (1)
6,760,609 Adaptive calibration pulsed oximetry method and device 96 2002
 
RADIOMETER A/S (1)
4,997,769 Method and an apparatus for determining blood components 65 1990
 
SAMSUNG ELECTRONICS CO., LTD. (1)
6,714,805 Method and apparatus for noninvasively monitoring hemoglobin concentration and oxygen saturation 98 2002
 
SATO, IKUO (1)
5,687,719 Pulse oximeter probe 98 1994
 
SENSIDYNE, INC. (1)
5,562,002 Positive displacement piston flow meter with damping assembly 121 1995
 
SENSORMEDICS CORPORATION (1)
4,867,571 Wave form filter pulse detector and method for modulated signal 87 1989
 
SENSYS MEDICAL, INC. (1)
7,299,080 Compact apparatus for noninvasive measurement of glucose through near-infrared spectroscopy 89 2004
 
SIEMENS MEDICAL SOLUTIONS USA, INC. (1)
6,956,572 Patient medical parameter user interface system 28 2003
 
T.M.M. ACQUISITIONS, LTD. (1)
6,801,799 Pulse oximeter and method of operation 140 2003
 
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS (1)
5,772,587 Photosensor with multiple light sources 110 1995
 
THERATECHNOLOGIES INC. (1)
D359546 Housing for a dental unit disinfecting device 81 1994
 
TORU SATO, NO. (1)
5,033,472 Method of and apparatus for analyzing propagation of arterial pulse waves through the circulatory system 46 1989
 
TRUSTEES OF DARTMOUTH COLLEGE (1)
6,743,172 System and method for displaying medical process diagrams 20 2000
 
UNIVERSAL DISPLAY CORPORATION (1)
5,719,589 Organic light emitting diode array drive apparatus 65 1996
 
UNIVERSITE LAVAL (1)
6,368,283 Method and apparatus for estimating systolic and mean pulmonary artery pressures of a patient 131 2000
 
VANDER CORPORATION (1)
4,805,623 Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment 364 1987
 
VITA INSITE, INC. (1)
6,027,452 Rapid non-invasive blood pressure measuring device 185 1996
 
VITAL INSIGHT, INC. (1)
5,791,347 Motion insensitive pulse detector 184 1996
 
WESTERN DATA COM INC. (1)
6,262,698 Method and apparatus for display sign 18 1998
 
WORCESTER POLYTECHNIC INSTITUTE (1)
5,137,023 Method and apparatus for monitoring blood analytes noninvasively by pulsatile photoplethysmography 89 1990
 
XEROX CORPORATION (1)
6,455,340 Method of fabricating GaN semiconductor structures using laser-assisted epitaxial liftoff 79 2001
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (5)
5,331,549 Medical monitor system 239 1992
5,692,503 Method for noninvasive (in-vivo) total hemoglobin, oxyhemogolobin, deoxyhemoglobin, carboxyhemoglobin and methemoglobin concentration determination 166 1995
6,122,042 Devices and methods for optically identifying characteristics of material objects 181 1997
6,393,310 Methods and systems for clinical analyte determination by visible and infrared spectroscopy 104 1999
2004/0081,621 Optical imaging method, and an apparatus for optical imaging 23 2003

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
CERCACOR LABORATORIES, INC. (1)
8,437,825 Contoured protrusion for improving spectroscopic measurement of blood constituents 0 2009
 
GLT ACQUISITION CORP. (1)
8,306,596 Method for data reduction and calibration of an OCT-based physiological monitor 0 2010
 
MASIMO CORPORATION (1)
8,430,817 System for determining confidence in respiratory rate measurements 0 2010

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