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 sangueInfo
- 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
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—Detecting, measuring or recording 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 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
- A61B5/026—Measuring blood flow
- A61B5/029—Measuring or recording 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)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Chemical & Material Sciences (AREA)
- Physiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Obesity (AREA)
- Biochemistry (AREA)
- Urology & Nephrology (AREA)
- Pulmonology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Emergency Medicine (AREA)
- General Physics & Mathematics (AREA)
- Immunology (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.
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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US7699788B2 (en) | 2000-02-22 | 2010-04-20 | Ric Investments, Llc. | Noninvasive effective lung volume estimation |
US6540689B1 (en) * | 2000-02-22 | 2003-04-01 | Ntc Technology, Inc. | Methods for accurately, substantially noninvasively determining pulmonary capillary blood flow, cardiac output, and mixed venous carbon dioxide content |
EP1238631B1 (en) | 2001-03-05 | 2008-12-31 | Instrumentarium Corporation | A method for non-invasively determining conditions in the circulatory system of a subject |
US7135001B2 (en) * | 2001-03-20 | 2006-11-14 | Ric Investments, Llc | Rebreathing methods including oscillating, substantially equal rebreathing and nonrebreathing periods |
US20030225339A1 (en) | 2002-05-06 | 2003-12-04 | Respironics Novametrix | Methods for inducing temporary changes in ventilation for estimation of hemodynamic performance |
SE0203427D0 (sv) * | 2002-11-20 | 2002-11-20 | Siemens Elema Ab | Anordning för passiv gassampling |
US6951216B2 (en) | 2002-12-19 | 2005-10-04 | Instrumentarium Corp. | Apparatus and method for use in non-invasively determining conditions in the circulatory system of a subject |
CA2522623C (en) * | 2003-02-19 | 2014-01-28 | Joseph Fisher | A new method of measuring cardiac related parameters non-invasively with spontaneous and controlled ventilation |
US7970470B2 (en) * | 2003-09-18 | 2011-06-28 | Cardiac Pacemakers, Inc. | Diagnosis and/or therapy using blood chemistry/expired gas parameter analysis |
EP3289974B1 (de) * | 2003-09-03 | 2019-10-23 | ResMed R&D Germany GmbH | Erfassungsgerät zur observation schlafbezogener atmungsstörungen |
US20220338800A1 (en) * | 2003-09-03 | 2022-10-27 | ResMed Humidification Technologies GmbH | Detection appliance and method for observing sleep-related breathing disorders |
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US8776790B2 (en) * | 2009-07-16 | 2014-07-15 | Covidien Lp | Wireless, gas flow-powered sensor system for a breathing assistance system |
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US9262588B2 (en) | 2009-12-18 | 2016-02-16 | Covidien Lp | Display of respiratory data graphs on a ventilator graphical user interface |
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US9763601B2 (en) | 2010-03-31 | 2017-09-19 | Koninklijke Philips N.V. | Determining components of total carbon dioxide excreted by a subject |
US9795753B2 (en) | 2012-03-07 | 2017-10-24 | Chunyuan Qiu | Intubation delivery systems and methods |
US8894569B2 (en) | 2010-04-21 | 2014-11-25 | Chunyuan Qiu | Intubation systems and methods based on airway pattern identification |
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US9950129B2 (en) | 2014-10-27 | 2018-04-24 | Covidien Lp | Ventilation triggering using change-point detection |
US10905836B2 (en) | 2015-04-02 | 2021-02-02 | Hill-Rom Services Pte. Ltd. | Manifold for respiratory device |
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-
2000
- 2000-02-22 US US09/510,702 patent/US6540689B1/en not_active Expired - Lifetime
- 2000-09-01 DE DE60016284T patent/DE60016284T2/de not_active Expired - Lifetime
- 2000-09-01 BR BRPI0017131-0A patent/BR0017131B1/pt not_active IP Right Cessation
- 2000-09-01 WO PCT/US2000/024044 patent/WO2001062148A1/en active IP Right Grant
- 2000-09-01 ES ES00959742T patent/ES2232490T3/es not_active Expired - Lifetime
- 2000-09-01 JP JP2001561219A patent/JP3761465B2/ja not_active Expired - Lifetime
- 2000-09-01 AT AT00959742T patent/ATE282988T1/de not_active IP Right Cessation
- 2000-09-01 EP EP00959742A patent/EP1257201B1/en not_active Expired - Lifetime
-
2002
- 2002-04-11 US US10/121,219 patent/US6955651B2/en not_active Expired - Lifetime
-
2003
- 2003-03-27 US US10/400,717 patent/US7025731B2/en not_active Expired - Lifetime
-
2005
- 2005-04-08 US US11/102,072 patent/US7074196B2/en not_active Expired - Lifetime
-
2006
- 2006-02-03 US US11/347,611 patent/US8801625B2/en not_active Expired - Fee Related
- 2006-07-10 US US11/483,460 patent/US8398559B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20030181820A1 (en) | 2003-09-25 |
US20050177055A1 (en) | 2005-08-11 |
US6540689B1 (en) | 2003-04-01 |
US20060253038A1 (en) | 2006-11-09 |
BR0017131B1 (pt) | 2010-05-04 |
ATE282988T1 (de) | 2004-12-15 |
US20060129055A1 (en) | 2006-06-15 |
DE60016284T2 (de) | 2005-12-15 |
JP2003523248A (ja) | 2003-08-05 |
EP1257201A1 (en) | 2002-11-20 |
ES2232490T3 (es) | 2005-06-01 |
JP3761465B2 (ja) | 2006-03-29 |
US7074196B2 (en) | 2006-07-11 |
US7025731B2 (en) | 2006-04-11 |
US6955651B2 (en) | 2005-10-18 |
WO2001062148A1 (en) | 2001-08-30 |
US20020183643A1 (en) | 2002-12-05 |
US8801625B2 (en) | 2014-08-12 |
EP1257201B1 (en) | 2004-11-24 |
US8398559B2 (en) | 2013-03-19 |
DE60016284D1 (de) | 2004-12-30 |
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