BR0017131A - Determinações não-invasivas de débito cardìaco, fluxo sanguìneo pulmonar e teor de gás no sangue - Google Patents

Determinações não-invasivas de débito cardìaco, fluxo sanguìneo pulmonar e teor de gás no sangue

Info

Publication number
BR0017131A
BR0017131A BR0017131-0A BR0017131A BR0017131A BR 0017131 A BR0017131 A BR 0017131A BR 0017131 A BR0017131 A BR 0017131A BR 0017131 A BR0017131 A BR 0017131A
Authority
BR
Brazil
Prior art keywords
cardiac output
blood flow
blood
gas content
subject
Prior art date
Application number
BR0017131-0A
Other languages
English (en)
Other versions
BR0017131B1 (pt
Inventor
Joseph A Orr
Kai Kuck
Original Assignee
Ntc Technology 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 Ntc Technology Inc filed Critical Ntc Technology Inc
Publication of BR0017131A publication Critical patent/BR0017131A/pt
Publication of BR0017131B1 publication Critical patent/BR0017131B1/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Measuring devices for evaluating the respiratory organs
    • A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
    • A61B5/0836—Measuring rate of CO2 production
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/029—Measuring blood output from the heart, e.g. minute volume
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • 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
    • G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N2001/2244—Exhaled gas, e.g. alcohol detecting

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Urology & Nephrology (AREA)
  • Analytical Chemistry (AREA)
  • Pulmonology (AREA)
  • Emergency Medicine (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Obesity (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Abstract

"DETERMINAçõES NãO-INVASIVAS DE DéBITO CARDìACO, FLUXO SANGuìNEO PULMONAR E TEOR DE GáS NO SANGUE". Um método de não invasivamente determinar o fluxo sang³íneo capilar pulmonar ou débito cardíaco de um paciente, incluindo o uso de técnicas de reinalação para medir o fluxo respiratório e a pressão de dióxido de carbono da inalação do paciente. Estas medições são usadas para calcular a eliminação de dióxido de carbono e um indicador do teor de dióxido de carbono do sangue do paciente, tal como a pressão de movimento final de dióxido de carbono (PetCO~ 2~), CaCO~ 2~ ou pCO~ 2~. A localização e orientação de uma linha de melhor ajuste através dos dados de eliminação de dióxido de carbono e dos dados do indicador de teor de dióxido de carbono é determinado pela regressão linear ou pela representação em gráfico dos dados de eliminação de dióxido de carbono contra os dados do indicador de teor de dióxido de carbono. Pelo menos um conjunto dos dados é modificado e pelo menos uma outra determinação da linha de melhor ajuste feita para encontrar um conjunto de dados que correlaciona mais próximo com a linha de melhor ajuste. Os dados podem ser modificados mediante filtração ou agrupamento. O declive da linha de melhor ajuste que correlaciona mais próximo com os dados é depois usado para determinar o fluxo sang³íneo capilar pulmonar ou débito cardíaco do paciente. Quando o indicador de teor de dióxido de carbono for CaCO~ 2~, o negativo do declive da linha de melhor ajuste é igual ao fluxo sang³íneo capilar pulmonar do paciente.
BRPI0017131-0A 2000-02-22 2000-09-01 "aparelho de avaliação respiratória" BR0017131B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/510,702 US6540689B1 (en) 2000-02-22 2000-02-22 Methods for accurately, substantially noninvasively determining pulmonary capillary blood flow, cardiac output, and mixed venous carbon dioxide content
PCT/US2000/024044 WO2001062148A1 (en) 2000-02-22 2000-09-01 Noninvasive determination of cardiac output, pulmonary blood flow, and blood gas content

Publications (2)

Publication Number Publication Date
BR0017131A true BR0017131A (pt) 2002-11-05
BR0017131B1 BR0017131B1 (pt) 2010-05-04

Family

ID=24031821

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0017131-0A BR0017131B1 (pt) 2000-02-22 2000-09-01 "aparelho de avaliação respiratória"

Country Status (8)

Country Link
US (6) US6540689B1 (pt)
EP (1) EP1257201B1 (pt)
JP (1) JP3761465B2 (pt)
AT (1) ATE282988T1 (pt)
BR (1) BR0017131B1 (pt)
DE (1) DE60016284T2 (pt)
ES (1) ES2232490T3 (pt)
WO (1) WO2001062148A1 (pt)

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Also Published As

Publication number Publication date
JP3761465B2 (ja) 2006-03-29
US6540689B1 (en) 2003-04-01
ES2232490T3 (es) 2005-06-01
US7074196B2 (en) 2006-07-11
DE60016284D1 (de) 2004-12-30
ATE282988T1 (de) 2004-12-15
BR0017131B1 (pt) 2010-05-04
US20060129055A1 (en) 2006-06-15
DE60016284T2 (de) 2005-12-15
EP1257201B1 (en) 2004-11-24
US20060253038A1 (en) 2006-11-09
US8398559B2 (en) 2013-03-19
US6955651B2 (en) 2005-10-18
US20020183643A1 (en) 2002-12-05
WO2001062148A1 (en) 2001-08-30
JP2003523248A (ja) 2003-08-05
US7025731B2 (en) 2006-04-11
EP1257201A1 (en) 2002-11-20
US8801625B2 (en) 2014-08-12
US20030181820A1 (en) 2003-09-25
US20050177055A1 (en) 2005-08-11

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B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

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