WO2001041638A1 - Apparatus and methods of bioelectrical impedance analysis of blood flow - Google Patents
Apparatus and methods of bioelectrical impedance analysis of blood flow Download PDFInfo
- Publication number
- WO2001041638A1 WO2001041638A1 PCT/US2000/032792 US0032792W WO0141638A1 WO 2001041638 A1 WO2001041638 A1 WO 2001041638A1 US 0032792 W US0032792 W US 0032792W WO 0141638 A1 WO0141638 A1 WO 0141638A1
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- WIPO (PCT)
- Prior art keywords
- sense electrodes
- orthogonal pairs
- cardiac output
- patient
- tube
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- 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
- A61B5/0535—Impedance plethysmography
-
- 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
-
- 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
- A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- 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
- A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Radiology & Medical Imaging (AREA)
- Physiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Electrotherapy Devices (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001542816A JP4914551B2 (en) | 1999-12-08 | 2000-12-04 | Apparatus and method for bioelectrical impedance analysis of blood flow |
CA002393008A CA2393008A1 (en) | 1999-12-08 | 2000-12-04 | Apparatus and methods of bioelectrical impedance analysis of blood flow |
AU19412/01A AU781264B2 (en) | 1999-12-08 | 2000-12-04 | Apparatus and methods of bioelectrical impedance analysis of blood flow |
EP00982367.5A EP1235514B1 (en) | 1999-12-08 | 2000-12-04 | Apparatus and methods of bioelectrical impedance analysis of blood flow |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/458,186 | 1999-12-08 | ||
US09/458,186 US6292689B1 (en) | 1996-04-17 | 1999-12-08 | Apparatus and methods of bioelectrical impedance analysis of blood flow |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001041638A1 true WO2001041638A1 (en) | 2001-06-14 |
Family
ID=23819721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/032792 WO2001041638A1 (en) | 1999-12-08 | 2000-12-04 | Apparatus and methods of bioelectrical impedance analysis of blood flow |
Country Status (6)
Country | Link |
---|---|
US (1) | US6292689B1 (en) |
EP (1) | EP1235514B1 (en) |
JP (1) | JP4914551B2 (en) |
AU (1) | AU781264B2 (en) |
CA (1) | CA2393008A1 (en) |
WO (1) | WO2001041638A1 (en) |
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WO2006012181A1 (en) * | 2004-06-24 | 2006-02-02 | Ksn Energies, Llc | Electrical impedance tomography to characterize tissue |
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EP1761165A2 (en) * | 2004-05-10 | 2007-03-14 | Transoma Medical, Inc. | Portable device for monitoring electrocardiographic signals and indices of blood flow |
US7603170B2 (en) | 2005-04-26 | 2009-10-13 | Cardiac Pacemakers, Inc. | Calibration of impedance monitoring of respiratory volumes using thoracic D.C. impedance |
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US9089275B2 (en) | 2005-05-11 | 2015-07-28 | Cardiac Pacemakers, Inc. | Sensitivity and specificity of pulmonary edema detection when using transthoracic impedance |
US9265950B2 (en) | 2001-07-31 | 2016-02-23 | Cardiac Pacemakers, Inc. | Contractility modulation based on impedance signal |
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US9913594B2 (en) | 2013-03-14 | 2018-03-13 | Medtronic Xomed, Inc. | Compliant electrode for EMG endotracheal tube |
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US9931079B2 (en) | 2012-01-04 | 2018-04-03 | Medtronic Xomed, Inc. | Clamp for securing a terminal end of a wire to a surface electrode |
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Also Published As
Publication number | Publication date |
---|---|
US6292689B1 (en) | 2001-09-18 |
AU1941201A (en) | 2001-06-18 |
EP1235514B1 (en) | 2014-01-15 |
EP1235514A4 (en) | 2007-08-08 |
AU781264B2 (en) | 2005-05-12 |
JP4914551B2 (en) | 2012-04-11 |
EP1235514A1 (en) | 2002-09-04 |
JP2003527164A (en) | 2003-09-16 |
CA2393008A1 (en) | 2001-06-14 |
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