US Patent No: 6,253,764

Number of patents in Portfolio can not be more than 2000

Control of delivery pressure in CPAP treatment or assisted respiration

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A pressure control apparatus (10) for CPAP treatment or assisted respiration. The apparatus (10) includes an inlet chamber (20) for connection to a primary supply of air or other breathable gas at a pressure at or above a maximum treatment pressure, an outlet chamber (30) for communication with a mask (14) or the like, a diaphragm (32) for communication with a portion of the outlet chamber (30), means (22) to provide a predetermined force to the diaphragm (32), a first valve means (36) operable to open a flow path between the outlet chamber (30) and the inlet chamber (20) in response to deflection of the diaphragm (32) in a first direction and a second valve means (40) operable to provide an exhaust path from the outlet chamber (30) to atmosphere in response to deflection of the diaphragm (32) in a second direction opposite to the first direction. When the pressure of gas in the outlet chamber (30) produces a force on the diaphragm (32) below the predetermined force the force differential on the diaphragm (32) causes it to deflect in the first direction and cause the first valve means (36) to open and to cause an equilibrating flow of gas from the inlet chamber (20). When the pressure of gas in the outlet chamber (30) produces a force on the diaphragm (32) above the predetermined force the force differential on the diaphragm (32) causes it to deflect in the second direction and cause the second valve means (40) to open.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
RESMED LIMITEDBELLA VISTA NEW SOUTH WALES752

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Calluaud, Michel Hunter's Hill, AU 15 502

Cited Art Landscape

Patent Info (Count) # Cites Year
 
RIC INVESTMENTS, LLC. (16)
4,913,401 Valve apparatus 63 1989
5,002,050 Medical gas flow control valve, system and method 46 1989
5,117,819 Nasal positive pressure device 173 1990
5,190,048 Thermistor airflow sensor assembly 46 1991
5,239,995 Sleep apnea treatment apparatus 147 1991
5,343,878 Pressure application method 144 1993
5,394,882 Physiological monitoring system 103 1993
5,492,113 Sleep apnea treatment apparatus having multiple ramp cycles 70 1993
5,551,418 Sleep apnea treatment apparatus with reset circuitry 84 1993
5,413,111 Bead thermistor airflow sensor assembly 46 1993
5,535,738 Method and apparatus for providing proportional positive airway pressure to treat sleep disordered breathing 155 1994
RE35295 Sleep apnea treatment apparatus 63 1994
5,540,219 Sleep apnea treatment apparatus 84 1995
5,537,997 Sleep apnea treatment apparatus and passive humidifier for use therewith 101 1995
5,682,878 Start-up ramp system for CPAP system with multiple ramp shape selection 90 1995
5,655,522 Sleep apnea treatment apparatus and passive humidifier for use therewith 52 1996
 
RESPIRONICS, INC. (8)
4,559,940 Resuscitation apparatus 43 1984
4,686,974 Breath synchronized gas-insufflation device and method therefor 133 1986
5,009,635 Pump apparatus 50 1989
5,203,343 Method and apparatus for controlling sleep disorder breathing 128 1991
5,222,478 Apparatus for application of pressure to a human body 109 1992
5,353,788 Cardio-respiratory control and monitoring system for determining CPAP pressure for apnea treatment 159 1992
5,458,137 Method and apparatus for controlling sleep disorder breathing 150 1993
5,598,838 Pressure support ventilatory assist system 156 1995
 
NELLCOR PURITAN BENNETT LLC (7)
5,134,995 Inspiratory airway pressure system with admittance determining apparatus and method 197 1990
5,231,979 Humidifier for CPAP device 76 1992
5,259,373 Inspiratory airway pressure system controlled by the detection and analysis of patient airway sounds 155 1992
5,517,983 Compliance meter for respiratory therapy 149 1992
5,438,980 Inhalation/exhalation respiratory phase detection circuit 130 1993
5,443,075 Flow measuring apparatus 100 1993
5,549,106 Inspiratory airway pressure system using constant pressure and measuring flow signals to determine airway patency 177 1993
 
NEW YORK UNIVERSITY (6)
4,655,213 Method and apparatus for the treatment of obstructive sleep apnea 259 1983
5,065,756 Method and apparatus for the treatment of obstructive sleep apnea 154 1987
5,335,654 Method and apparatus for continuous adjustment of positive airway pressure for treating obstructive sleep apnea 153 1992
RE35339 Method and apparatus for the treatment of obstructive sleep apnea 176 1992
5,535,739 Method and apparatus for optimizing the continuous positive airway pressure for treating obstructive sleep apnea 167 1995
5,546,933 Method for optimizing the continuous positive airway pressure for treating obstructive sleep apnea 92 1995
 
RESMED LIMITED (5)
4,944,310 Device for treating snoring sickness 311 1988
5,199,424 Device for monitoring breathing during sleep and control of CPAP treatment that is patient controlled 231 1991
5,245,995 Device and method for monitoring breathing during sleep, control of CPAP treatment, and preventing of apnea 332 1992
5,704,345 Detection of apnea and obstruction of the airway in the respiratory system 259 1994
5,522,382 Device and method for treating obstructed breathing having a delay/ramp feature 171 1995
 
Dragerwerk Aktiengesellschaft (4)
4,637,386 Ventilation system having true valve control for controlling ventilation pressures 41 1985
5,063,925 Controllable expiration valve arrangement for a ventilating apparatus 7 1989
5,065,746 Expiration valve control arrangement for a ventilating apparatus 15 1989
5,303,700 Method for detecting the respiratory phases of a patient during an assisted ventilating process 68 1992
 
PURITAN-BENNETT CORPORATION (4)
4,239,039 Dual control valve for positive pressure artificial respiration apparatus 59 1979
4,938,212 Inspiration oxygen saver 182 1987
5,161,525 System and method for flow triggering of pressure supported ventilation 179 1990
5,490,502 Method and apparatus for optimizing the continuous positive airway pressure for treating obstructive sleep apnea 133 1994
 
RIC INVESTMENTS, INC. (4)
5,148,802 Method and apparatus for maintaining airway patency to treat sleep apnea and other disorders 252 1989
5,313,937 Leak compensation method and apparatus for a breathing system 139 1992
5,433,193 Breathing gas delivery method and apparatus 131 1992
5,632,269 Breathing gas delivery method and apparatus 101 1994
 
BEAR MEDICAL SYSTEMS, INC. (3)
4,527,557 Medical ventilator system 75 1984
4,637,385 Pulmonary ventilator controller 45 1986
5,540,220 Pressure-limited, time-cycled pulmonary ventilation with volume-cycle override 106 1994
 
MEDTRONIC, INC. (3)
5,174,287 Airway feedback measurement system responsive to detected inspiration and obstructive apnea event 125 1991
5,483,969 Method and apparatus for providing a respiratory effort waveform for the treatment of obstructive sleep apnea 152 1994
5,546,952 Method and apparatus for detection of a respiratory waveform 68 1994
 
UNIVERSITY OF MANITOBA (3)
5,107,830 Lung ventilator device 194 1990
5,540,222 Piston-based ventilator design and operation 12 1993
5,507,282 Control of airway pressure during mechanical ventilation 72 1994
 
DEVILBISS HEALTHCARE LLC (2)
5,503,146 Standby control for CPAP apparatus 141 1994
5,551,419 Control for CPAP apparatus 153 1994
 
EMBLA SYSTEMS, INC. (2)
5,161,541 Flow sensor system 46 1991
5,558,099 Flow sensor system 36 1995
 
MINE SAFETY APPLIANCES COMPANY (2)
4,595,016 APNEA monitor 45 1985
4,827,964 System for metering of breathing gas for accommodation of breathing demand 30 1987
 
NELLCOR PURITAN BENNETT INCORPORATED (2)
4,580,575 Apnea monitoring system 62 1984
5,715,812 Compliance meter for respiratory therapy 148 1996
 
NON-INVASIVE MONITORING SYSTEMS, INC. (2)
4,648,407 Method for detecting and differentiating central and obstructive apneas in newborns 72 1986
4,860,766 Noninvasive method for measuring and monitoring intrapleural pressure in newborns 84 1987
 
TECHNOLOGY HOLDING COMPANY II (2)
4,803,471 Ventilator monitor and alarm apparatus 48 1986
5,099,836 Intermittent oxygen delivery system and cannula 58 1990
 
Tritec Industries, Inc. (2)
4,414,982 Apneic event detector and method 64 1980
4,506,666 Method and apparatus for rectifying obstructive apnea 81 1982
 
ADOBE SOFTWARE TRADING COMPANY LIMITED (1)
7,917,494 System and method for a log-based data storage 10 2008
 
Airco, Inc. (1)
4,281,651 Lung ventilator 58 1979
 
AKAMAI TECHNOLOGIES, INC. (1)
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 19 2009
 
Applied Membrane Technology, Inc. (1)
4,686,975 Electronic respirable gas delivery device 76 1985
 
ARADIGM CORPORATION (1)
5,509,404 Intrapulmonary drug delivery within therapeutically relevant inspiratory flow/volume values 173 1994
 
AT&T INTELLECTUAL PROPERTY II, L.P. (1)
8,019,610 Automated sentence planning in a task classification system 23 2009
 
BAUMAN, PAUL S. (1)
5,067,487 Resuscitator 24 1989
 
Bussell; Carol (1)
4,870,963 Respiratory aid device 51 1988
 
CAREFREE TRADING, INC. D/B/A CFT, INC. (1)
4,449,525 Pulmonary resuscitator 36 1981
 
CARLETON LIFE SUPPORT SYSTEMS, INC. (1)
4,870,960 Backup breathing gas supply for an oxygen concentrator system 58 1987
 
CASE WESTERN RESERVE UNIVERSITY (1)
4,249,527 Continuous positive airway pressure administrating apparatus 60 1979
 
CLINICAL DEVELOPMENT CORPORATION (1)
4,602,644 Physiological detector and monitor 59 1982
 
CONCORDIA UNIVERSITY (1)
4,393,869 Electronically controlled respirator 73 1981
 
DOWNS, JOHN B. (1)
4,773,411 Method and apparatus for ventilatory therapy 96 1986
 
DRAEGER MEDICAL GMBH (1)
5,647,351 Ventilating system for supplying a patient with respiratory gas and method for triggering the respiratory phases in said system 55 1995
 
DRIBMED, LTD. (1)
4,957,107 Gas delivery means 179 1988
 
Dwyer Instruments, Inc. (1)
5,183,983 Flow switch assembly for fluid flow monitoring 47 1992
 
DYMEDIX CORPORATION (1)
5,311,875 Breath sensing apparatus 67 1992
 
Environmental Support Systems, Inc. (1)
5,398,673 Resuscitator-snorkel for land or water use 56 1993
 
ERICH JAEGER GMBH (1)
4,558,710 Testing of the airways and pulmonary tract of a patient, particularly for sensitivity to aerosols 171 1984
 
ETELA-HAMEEN KEUHKOVAMMAYHDISTYS R.Y. (1)
5,063,922 Ultrasonic atomizer 217 1989
 
GAMBRO BCT, INC. (1)
4,795,314 Condition responsive pump control utilizing integrated, commanded, and sensed flowrate signals 138 1987
 
GETTIG TECHNOLOGIES, INC. (1)
4,231,365 Emergency resuscitation apparatus 93 1978
 
GOTTLIEB WIENMANN GERATE FUR MEDIZIN UND ARBEITSSCHUTZ GMBH & CO. (1)
5,617,846 Method of controlling a respirator for treatment of sleep apnea and device for carrying out the method 44 1995
 
HOK INSTRUMENT AB (1)
5,195,528 Acoustic respiration detector 47 1991
 
HUDSON OXYGEN THERAPY SALES COMPANY, A CA CORP. (1)
4,322,594 Temperature control system with alarm and shut down for non-tracking condition of dual thermometers 48 1980
 
HUDSON RESPIRATORY CARE INC. (1)
4,838,258 Gas sampling lumen for breathing system 67 1987
 
ILLSLEY, DAVID W. (1)
4,579,114 Mouth to mouth resuscitation device 45 1983
 
INFLUENCE, INC. (1)
5,549,555 Balloon catheter 10 1995
 
Infrasonics, Inc. (1)
5,513,631 Triggering of patient ventilator responsive to a precursor signal 109 1995
 
INSPIRE MEDICAL SYSTEMS, INC. (1)
5,540,733 Method and apparatus for detecting and treating obstructive sleep apnea 185 1994
 
INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM) (1)
5,129,390 Process for regulating an artificial ventilation device and such device 73 1989
 
INTERNATIONAL ADAPTIVE MONITORS, INC. (1)
4,686,999 Multi-channel ventilation monitor and method 146 1985
 
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE (1)
4,827,922 Process and device for supplying respiratory oxygen 63 1988
 
Laboratories Flork, S.A. (1)
4,874,893 Industrial process for the preparation of amino acids by hydrolysis of proteins in acid medium 19 1988
 
LITTON SYSTEMS, INC. (1)
4,499,914 Selector valve for an aircraft on board oxygen generation system with high pressure oxygen backup 56 1983
 
MADAUS MEDIZIN ELEKTRONIK GMBH & CO. KG (1)
4,982,738 Diagnostic apnea monitor system 94 1988
 
MAQUET CRITICAL CARE AB (1)
4,819,629 Method and apparatus for delivering aerosol to the airways and/or lungs of a patient 277 1987
 
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (1)
5,262,893 Method and apparatus for creating multiple phase level optical elements 25 1991
 
MCEWEN, JAMES A. (1)
4,550,726 Method and apparatus for detection of breathing gas interruptions 95 1982
 
MEDEX CARDIO-PULMONARY, INC. (1)
4,501,273 Endotracheal tube with pressure controlled inflatable cuff 33 1982
 
Minnesota Mining and Manufacturing Company (1)
5,231,983 Method of and apparatus for the aerosol administration of medication 154 1991
 
MIRIS MEDICAL INCORPORATED, A CORP. OF CA (1)
5,404,871 Delivery of aerosol medications for inspiration 291 1991
 
N. Visveshwara, M.D., Inc. (1)
4,915,103 Ventilation synchronizer 60 1987
 
NELLCOR, INCORPORATED (1)
5,588,439 Acoustic impulse respirometer and method 53 1995
 
NISHIMURA, TOSHIHIRO (1)
5,105,354 Method and apparatus for correlating respiration and heartbeat variability 152 1989
 
NYFOTEK AS (1)
6,222,190 Photo acoustic infrared (IR) detector 18 1999
 
PAUL RITZAU PARI-WERK GMBH (1)
5,280,784 Device in particular and inhalating device for treating the lung and the respiratory tracts 154 1992
 
PENTAGON TECHNOLOGIES GROUP, INC. (1)
5,526,805 In-line silencer for clean room breathing apparatus 34 1993
 
PETERSON, CONRAD S. (1)
5,069,222 Respiration sensor set 63 1990
 
Racal Safety Limited (1)
4,430,995 Power assisted air-purifying respirators 44 1982
 
RELIABLE ENGINEERING SERVICES, INC. (1)
5,603,315 Multiple mode oxygen delivery system 79 1995
 
Respirator Research, Ltd. (1)
4,971,050 Open circuit emergency breathing apparatus and pressure demand valve therefor 15 1987
 
SENSORMEDICS CORPORATION (1)
4,448,058 Respiratory gas analysis instrument having improved volume calibration method and apparatus 65 1982
 
Sentel Technologies, Inc. (1)
4,802,485 Sleep apnea monitor 118 1987
 
SHERWOOD SERVICES AG (1)
5,170,798 Pulmonary function tester 40 1991
 
SLEEPNET CORPORATION (1)
5,645,054 Device and method for the treatment of sleep apnea syndrome 107 1994
 
Societe Anonyme Drager (1)
4,825,802 Pheumatic alarm for respirator 55 1987
 
Solex (U.K.) Limited (1)
4,530,334 Air flow metering 29 1983
 
SUNRISE MEDICAL HHG INC. (1)
4,570,631 Respirating gas supply method and apparatus therefor 106 1985
 
SYNTHELABO (1)
4,537,190 Process and device for controlling artificial respiration 49 1982
 
TAEMA (1)
5,443,061 Apparatus for providing a breathing gas with an overpressure and process of controlling such apparatus installation 48 1992
 
THE BRIGHAM AND WOMEN'S HOSPITAL, INC. (1)
4,648,396 Respiration detector 102 1985
 
The United States of America as represented by the Secretary of the Army (1)
5,293,864 Emergency breathing apparatus 50 1991
 
THERMO KING CORPORATION (1)
5,927,090 Condenser and radiator air outlets 22 1997
 
Trudell Medical Limited (1)
4,938,210 Inhalation chamber in ventilator circuit 167 1989
 
UNI-CATH INC. (1)
5,042,470 Ventilating system for respiration of a patient 41 1989
 
UNITED TECHNOLOGIES CORPORATION (1)
4,312,235 Sensor and meter for measuring the mass flow of a fluid stream 43 1980
 
UNIVERSITY OF AUCKLAND (1)
4,677,975 Method of dispensing and/or a dispenser 331 1985
 
UNIVERSITY TECHNOLOGIES INTERNATIONAL INC. (1)
5,645,053 Auto CPAP system and method for preventing patient disturbance using airflow profile information 185 1993
 
Vital Signals, Inc. (1)
4,972,842 Method and apparatus for precision monitoring of infants on assisted ventilation 120 1988
 
VOTRAN MEDICAL TECHNOLOGY, INC., A CORP. OF CA (1)
5,322,057 Intermittent signal actuated nebulizer synchronized to operate in the exhalation phase, and its method of use 202 1991
 
WEIR VALVES & CONTROLS USA INC. (1)
5,305,787 Disk valve with improved disk mounting 46 1993
 
WELLS FARGO BANK, NATIONAL ASSOCIATION (1)
5,479,920 Breath actuated medicinal aerosol delivery apparatus 240 1994
 
WESTMED, INC. (1)
5,546,934 Resuscitator 22 1994
 
YAMAHA CORPORATION (1)
2003/0023,649 Digital filtering method and device and sound image localizing device 3 2002
 
Other [Check patent profile for assignment information] (31)
4,262,667 Ventilator for use in medical applications 13 1979
4,301,833 Flow responsive safety valve 43 1979
4,381,788 Method and apparatus for detecting apnea 65 1981
4,387,722 Respiration monitor and x-ray triggering apparatus 86 1981
4,433,693 Method and assembly for monitoring respiration and detecting apnea 66 1981
4,396,034 Arcuate swing check valve 48 1981
4,738,266 Apnoea monitor 64 1983
4,550,615 Fluid flowmeter 36 1983
4,584,996 Apparatus for conservative supplemental oxygen therapy 73 1984
4,612,928 Method and apparatus for supplying a gas to a body 67 1984
4,971,065 Transducer for detecting apnea 63 1985
4,630,614 Apnea monitoring apparatus 82 1985
4,660,555 Oxygen delivery and administration system 164 1985
4,777,963 Respiration monitor 61 1987
4,838,257 Ventilator 100 1987
4,823,788 Demand oxygen controller and respiratory monitor 111 1988
5,052,400 Method and apparatus for using an inhalation sensor for monitoring and for inhalation therapy 69 1988
4,844,085 Pulmonary pressure and volume measurement 38 1988
5,048,515 Respiratory gas supply apparatus and method 76 1988
4,856,506 Apparatus for mouth-to-mouth resuscitation 32 1989
5,024,219 Apparatus for inhalation therapy using triggered dose oxygenator employing an optoelectronic inhalation sensor 90 1989
4,960,118 Method and apparatus for measuring respiratory flow 86 1989
5,178,138 Drug delivery device 187 1990
5,046,491 Apparatus and method for respired gas collection and analysis 169 1990
5,230,330 Resuscitation and inhalation device 38 1991
5,271,391 Apparatus for delivering a continuous positive airway pressure to an infant 116 1991
5,255,687 Zero dead space respiratory exercise valve 54 1992
5,360,008 Respiratory and cardiac monitor 40 1992
5,388,571 Positive-pressure ventilator system with controlled access for nebulizer component servicing 181 1992
5,567,127 Low noise air blower 39 1994
5,605,151 Method for the diagnosis of sleep apnea 112 1995

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
INVACARE CORPORATION (6)
6,990,980 Carbon dioxide-based Bi-level CPAP control 20 2001
7,152,598 System and method for providing a breathing gas 29 2003
7,621,270 System and method for providing a breathing gas 3 2005
8,640,701 Carbon dioxide-based bi-level CPAP control 0 2005
8,261,742 Method and apparatus for adjusting desired pressure in positive airway pressure devices 1 2008
8,066,004 System and method for providing a breathing gas 8 2009
 
RESMED LIMITED (6)
6,526,974 Pressure control in CPAP treatment or assisted respiration 12 2000
6,745,770 Flow diverter for controlling the pressure and flow rate in a CPAP device 45 2002
6,895,964 Flow diverter for controlling the pressure and flow rate in a CPAP device 28 2004
7,036,506 Flow diverter for controlling the pressure and flow rate in CPAP device 3 2005
7,527,055 Flow diverter for controlling the pressure and flow rate in CPAP device 0 2006
7,694,679 Flow diverter for controlling the pressure and flow rate in CPAP device 0 2008
 
EMERGENT RESPIRATORY LLC (2)
7,721,735 Portable gas powered positive pressure breathing apparatus and method 8 2006
8,365,728 Portable gas powered positive pressure breathing apparatus and method 0 2010
 
RIC INVESTMENTS, LLC. (2)
7,793,660 Method of treating obstructive sleep apnea 7 2005
8,365,731 Pressure reducing valve with flexible cuff 0 2008
 
3M INNOVATIVE PROPERTIES COMPANY (1)
6,666,209 Method and system of calibrating air flow in a respirator system 19 2001
 
ACOBA, LLC (1)
7,114,497 Method and system of individually controlling airway pressure of a patient's nares 22 2004
 
FSP INSTRUMENTS, LLC (1)
7,637,164 Apparatus for comparative pressure measurements of self-contained breathing apparatuses 0 2008
 
INTERSURGICAL AG (1)
7,066,177 Exhalation valves 12 2004
 
MATERIELS INDUSTRIELS DE SECURITE (1)
8,464,366 Protective suit for an individual and related assembly 0 2010
 
NOVARTIS AG (1)
8,408,200 Flow resistance modulated aerosolized active agent delivery 1 1999
 
NOVARTIS PHARMA AG (1)
6,655,379 Aerosolized active agent delivery 35 1999
 
PULMONOX TECHNOLOGIES CORPORATION (1)
6,668,828 System and elements for managing therapeutic gas administration to a spontaneously breathing non-ventilated patient 19 2000
 
SENSORMEDICS CORPORATION (1)
6,766,800 Pressure regulating valve for use in continuous positive airway pressure devices 63 2002
 
SIESTAMED, TECHNOLOGIES (1)
7,762,006 Medical equipment drying device 0 2007