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

ALSO PUBLISHED AS: 7793659

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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, CA7948

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Breen, Peter H 6 Young Ct., Irvine, CA 92612 6 76

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
CAREFUSION 203, INC. (8)
7,607,437 Compressor control system and method for a portable ventilator 2 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 2 2006
8,522,780 Portable ventilator system 0 2007
8,677,995 Compressor control system for a portable ventilator 0 2007
8,683,997 Portable ventilator system 0 2007
 
COVIDIEN LP (3)
8,128,574 Carbon dioxide-sensing airway products and technique for using the same 0 2006
8,109,272 Carbon dioxide-sensing airway products and technique for using the same 0 2006
7,992,561 Carbon dioxide-sensing airway products and technique for using the same 4 2006
 
BAXTER INTERNATIONAL INC. (1)
8,267,081 Inhaled anesthetic agent therapy and delivery system 3 2009
 
CAREFUSION 303, INC. (1)
7,997,885 Roots-type blower reduced acoustic signature method and apparatus 1 2008
 
GENERAL ELECTRIC COMPANY (1)
7,987,848 System and method of integrating anesthesia agent monitoring in a respiratory carestation 0 2005
 
NELLCOR PURITAN BENNETT INCORPORATED (1)
8,454,526 Carbon dioxide-sensing airway products and technique for using the same 0 2006
 
PULMONETIC SYSTEMS, INC. (1)
7,527,053 Method and apparatus for attenuating compressor noise 10 2005