WO2001026547A8 - Respiratory nitric oxide meter - Google Patents

Respiratory nitric oxide meter

Info

Publication number
WO2001026547A8
WO2001026547A8 PCT/US2000/028220 US0028220W WO0126547A8 WO 2001026547 A8 WO2001026547 A8 WO 2001026547A8 US 0028220 W US0028220 W US 0028220W WO 0126547 A8 WO0126547 A8 WO 0126547A8
Authority
WO
WIPO (PCT)
Prior art keywords
respiratory
nitric oxide
gases
oxide meter
fluid communication
Prior art date
Application number
PCT/US2000/028220
Other languages
French (fr)
Other versions
WO2001026547A1 (en
Inventor
James R Mault
Original Assignee
Healthetech Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Healthetech Inc filed Critical Healthetech Inc
Priority to JP2001529342A priority Critical patent/JP2003511143A/en
Priority to AU80156/00A priority patent/AU8015600A/en
Priority to EP00970833A priority patent/EP1223861A1/en
Priority to CA002387137A priority patent/CA2387137A1/en
Publication of WO2001026547A1 publication Critical patent/WO2001026547A1/en
Publication of WO2001026547A8 publication Critical patent/WO2001026547A8/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
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    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content
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    • A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
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    • A61B5/0833—Measuring rate of oxygen consumption
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    • A61B5/087—Measuring breath flow
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    • A61B5/091—Measuring volume of inspired or expired gases, e.g. to determine lung capacity
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    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
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    • A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
    • G—PHYSICS
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    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
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    • A61B2560/04—Constructional details of apparatus
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B2560/04—Constructional details of apparatus
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    • A61B2560/04—Constructional details of apparatus
    • A61B2560/0475—Special features of memory means, e.g. removable memory cards
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0219—Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
    • A61B5/0008—Temperature signals
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    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
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    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
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    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
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    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
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Abstract

A respiratory nitric oxide meter (10) includes a respiratory connector (14) designed to be supported in contact with a subject and to pass respiratory gases as the subject breathes. A flow pathway (20) receives and passes the respiration gases. One end of the pathway (20) is in fluid communication with the respiratory connector (14), and the other end is in fluid communication with a reservoir of respiratory gases. A nitric oxide concentration sensor (24) generates electrical signals as a function of the instantaneous fraction of nitric oxide as the respiration gases pass through the flow pathway (20).
PCT/US2000/028220 1999-10-13 2000-10-12 Respiratory nitric oxide meter WO2001026547A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001529342A JP2003511143A (en) 1999-10-13 2000-10-12 A device for measuring exhaled nitric oxide
AU80156/00A AU8015600A (en) 1999-10-13 2000-10-12 Respiratory nitric oxide meter
EP00970833A EP1223861A1 (en) 1999-10-13 2000-10-12 Respiratory nitric oxide meter
CA002387137A CA2387137A1 (en) 1999-10-13 2000-10-12 Respiratory nitric oxide meter

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US60/159,285 1999-10-11
US15928599P 1999-10-13 1999-10-13
US22838800P 2000-08-28 2000-08-28
US60/228,388 2000-08-28
US23682900P 2000-09-29 2000-09-29
US60/236,829 2000-09-29
US09/685,439 2000-10-11
US09/685,439 US6612306B1 (en) 1999-10-13 2000-10-11 Respiratory nitric oxide meter

Publications (2)

Publication Number Publication Date
WO2001026547A1 WO2001026547A1 (en) 2001-04-19
WO2001026547A8 true WO2001026547A8 (en) 2001-06-07

Family

ID=27496370

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/028220 WO2001026547A1 (en) 1999-10-13 2000-10-12 Respiratory nitric oxide meter

Country Status (6)

Country Link
US (1) US6612306B1 (en)
EP (1) EP1223861A1 (en)
JP (1) JP2003511143A (en)
AU (1) AU8015600A (en)
CA (1) CA2387137A1 (en)
WO (1) WO2001026547A1 (en)

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US8927030B2 (en) 2003-07-09 2015-01-06 The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services Use of nitrite salts for the treatment of cardiovascular conditions

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EP1223861A1 (en) 2002-07-24
CA2387137A1 (en) 2001-04-19
US6612306B1 (en) 2003-09-02
WO2001026547A1 (en) 2001-04-19
JP2003511143A (en) 2003-03-25
AU8015600A (en) 2001-04-23

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