US Patent Application No: 2006/0201,503

Number of patents in Portfolio can not be more than 2000

Bymixer apparatus and method for fast-response, adjustable measurement of mixed gas fractions in ventilation circuits

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A bymixer device and method which provides fast-response, accurate measurements of mixed inspired and/or expired gas fractions in open or closed ventilation circuits and/or in circle circuits used in anesthesia and/or critical care. The bymixer device may include a main flow channel and a bypass flow channel. The bypass flow channel includes a flow-restrictor (e.g, an orifice) that partially blocks the flow of respiratory gas through the bypass flow channel, a mixing chamber positioned upstream of the flow restrictor and a sampling apparatus (e.g., a port for withdrawing samples of gas from said mixing chamber and/or sensor(s) positioned within the mixing chamber).

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
THE REGENTS OF THE UNIVERSITY OF CALIFORNIAOAKLAND, CA5856

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Breen, Peter H Irvine, CA 4 100

Cited Art Landscape

Patent Info (Count) # Cites Year
 
RIC INVESTMENTS, LLC. (3)
* 5,701,883 Oxygen mixing in a blower-based ventilator 93 1996
* 6,408,848 Method and apparatus for conveniently setting a predetermined volume for re-breathing 28 2000
* 6,648,832 Apparatus and method for non-invasively measuring cardiac output 25 2001
 
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (1)
* 6,014,890 Fast response humidity and temperature sensor device 40 1997
 
AirMatrix Technologies, Inc. (1)
* 5,890,490 Therapeutic gas flow monitoring system 57 1996
 
SOUTHWEST RESEARCH INSTITUTE (1)
* 5,555,880 High frequency oscillatory ventilator and respiratory measurement system 49 1994
 
Instrumentarium Oy (2)
* 5,722,449 Arrangement in connection with a gas mixer 17 1997
* 6,196,222 Tracheal gas insufflation delivery system for respiration equipment 29 1998
 
INSTRUMENTARIUM CORP. (1)
* 5,967,141 Method and apparatus for metering an anaesthetic to a patient 21 1997
 
MAQUET CRITICAL CARE AB (2)
* 5,423,313 Respirator intended for connection to human or animal airways 50 1992
* 6,298,848 Device for flushing a deadspace in mechanical ventilation 13 1999
 
MEDICOR, INC., 1559 EAST STRATFORD AVENUE, SALT LAKE CITY, UT 84106 CORP OF UT (1)
* 4,619,269 Apparatus and method for monitoring respiratory gas 64 1984
 
SIMS PNEUPAC LIMITED (1)
* 5,605,148 Gas mixing devices for resuscitation/lung ventilation apparatus 22 1995
 
PURITAN-BENNETT CORPORATION (1)
* 5,072,737 Method and apparatus for metabolic monitoring 172 1989
 
BUNNELL INCORPORATED (3)
* 5,239,994 Jet ventilator system 82 1991
* 5,752,506 Ventilator system 41 1996
* 6,279,574 Variable flow and pressure ventilation system 87 1998
 
UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC. (1)
* 6,571,796 Tracheal pressure ventilation respiratory system 64 2001
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 2007/0089,741 Method and apparatus for changing the concentration of a target gas at the blood compartment of a patient's lung during artificial ventilation 5 2006
 
GENERAL ELECTRIC COMPANY (1)
* 7,987,848 System and method of integrating anesthesia agent monitoring in a respiratory carestation 1 2005
 
CAREFUSION 303, INC. (1)
7,997,885 Roots-type blower reduced acoustic signature method and apparatus 4 2008
 
ZOLL MEDICAL CORPORATION (1)
* 9,180,266 Automatic patient ventilator system and method 0 2004
 
BAXTER INTERNATIONAL INC. (1)
8,267,081 Inhaled anesthetic agent therapy and delivery system 4 2009
 
PULMONETIC SYSTEMS, INC. (1)
7,527,053 Method and apparatus for attenuating compressor noise 16 2005
 
CareFusion 203, Inc. (9)
7,607,437 Compressor control system and method for a portable ventilator 5 2004
8,156,937 Portable ventilator system 1 2005
8,627,819 Portable ventilator system 0 2006
8,297,279 Portable ventilator system 0 2006
8,118,024 Mechanical ventilation system utilizing bias valve 7 2006
8,522,780 Portable ventilator system 0 2007
8,677,995 Compressor control system for a portable ventilator 1 2007
8,683,997 Portable ventilator system 0 2007
8,888,711 Flow sensor 1 2008
 
COVIDIEN LP (5)
8,128,574 Carbon dioxide-sensing airway products and technique for using the same 2 2006
8,109,272 Carbon dioxide-sensing airway products and technique for using the same 3 2006
* 7,992,561 Carbon dioxide-sensing airway products and technique for using the same 8 2006
* 2008/0072,905 Carbon dioxide-sensing airway products and technique for using the same 1 2006
* 2013/0261,487 CARBON DIOXIDE-SENSING AIRWAY PRODUCTS AND TECHNIQUE FOR USING THE SAME 0 2013
 
NELLCOR PURITAN BENNETT INCORPORATED (1)
8,454,526 Carbon dioxide-sensing airway products and technique for using the same 0 2006
* Cited By Examiner