CA2622277A1 - Method and device for determining flow in a blood vessel - Google Patents
Method and device for determining flow in a blood vessel Download PDFInfo
- Publication number
- CA2622277A1 CA2622277A1 CA002622277A CA2622277A CA2622277A1 CA 2622277 A1 CA2622277 A1 CA 2622277A1 CA 002622277 A CA002622277 A CA 002622277A CA 2622277 A CA2622277 A CA 2622277A CA 2622277 A1 CA2622277 A1 CA 2622277A1
- Authority
- CA
- Canada
- Prior art keywords
- impedance
- determining
- blood
- blood vessel
- flow
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 33
- 210000004369 blood Anatomy 0.000 claims abstract description 42
- 239000008280 blood Substances 0.000 claims abstract description 42
- 238000005259 measurement Methods 0.000 claims description 24
- 238000005534 hematocrit Methods 0.000 claims description 23
- 102000008946 Fibrinogen Human genes 0.000 claims description 19
- 108010049003 Fibrinogen Proteins 0.000 claims description 19
- 229940012952 fibrinogen Drugs 0.000 claims description 19
- 210000005245 right atrium Anatomy 0.000 claims description 10
- 238000002847 impedance measurement Methods 0.000 claims description 7
- 238000000338 in vitro Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000017531 blood circulation Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 210000003743 erythrocyte Anatomy 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 206010039238 Rouleaux formation Diseases 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000036770 blood supply Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 206010014523 Embolism and thrombosis Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000036581 peripheral resistance Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- A61B5/0265—Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter
- A61B5/027—Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter using catheters
-
- 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
- A61B5/0295—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
- A61B5/0535—Impedance plethysmography
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Electromagnetism (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- External Artificial Organs (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1029969 | 2005-09-15 | ||
| NL1029969 | 2005-09-15 | ||
| NL1032272 | 2006-08-03 | ||
| NL1032272A NL1032272C2 (nl) | 2005-09-15 | 2006-08-03 | Werkwijze en inrichting voor het bepalen van het debiet in een bloedvat. |
| PCT/NL2006/000452 WO2007032665A2 (en) | 2005-09-15 | 2006-09-12 | Method and device for determining flow in a blood vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2622277A1 true CA2622277A1 (en) | 2007-03-22 |
Family
ID=37726816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002622277A Abandoned CA2622277A1 (en) | 2005-09-15 | 2006-09-12 | Method and device for determining flow in a blood vessel |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20090209872A1 (enExample) |
| EP (1) | EP1933701B1 (enExample) |
| JP (1) | JP2009508569A (enExample) |
| AT (1) | ATE422328T1 (enExample) |
| AU (1) | AU2006291620B2 (enExample) |
| BR (1) | BRPI0616062A2 (enExample) |
| CA (1) | CA2622277A1 (enExample) |
| DE (1) | DE602006005172D1 (enExample) |
| EA (1) | EA011969B1 (enExample) |
| NL (1) | NL1032272C2 (enExample) |
| WO (1) | WO2007032665A2 (enExample) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10413211B2 (en) | 2003-02-21 | 2019-09-17 | 3Dt Holdings, Llc | Systems, devices, and methods for mapping organ profiles |
| US10172538B2 (en) | 2003-02-21 | 2019-01-08 | 3Dt Holdings, Llc | Body lumen junction localization |
| US8078274B2 (en) | 2003-02-21 | 2011-12-13 | Dtherapeutics, Llc | Device, system and method for measuring cross-sectional areas in luminal organs |
| US7818053B2 (en) | 2003-02-21 | 2010-10-19 | Dtherapeutics, Llc | Devices, systems and methods for plaque type determination |
| EP2449964B1 (en) | 2005-07-01 | 2016-08-10 | Impedimed Limited | Connector for Impedance Measurement System |
| EP1898784B1 (en) | 2005-07-01 | 2016-05-18 | Impedimed Limited | Method and apparatus for performing impedance measurements |
| US8784336B2 (en) | 2005-08-24 | 2014-07-22 | C. R. Bard, Inc. | Stylet apparatuses and methods of manufacture |
| US9724012B2 (en) | 2005-10-11 | 2017-08-08 | Impedimed Limited | Hydration status monitoring |
| US7794407B2 (en) | 2006-10-23 | 2010-09-14 | Bard Access Systems, Inc. | Method of locating the tip of a central venous catheter |
| US8388546B2 (en) | 2006-10-23 | 2013-03-05 | Bard Access Systems, Inc. | Method of locating the tip of a central venous catheter |
| AU2008241356B2 (en) | 2007-04-20 | 2013-10-03 | Impedimed Limited | Monitoring system and probe |
| AU2008286194B2 (en) | 2007-08-09 | 2014-05-15 | Impedimed Limited | Impedance measurement process |
| US8849382B2 (en) | 2007-11-26 | 2014-09-30 | C. R. Bard, Inc. | Apparatus and display methods relating to intravascular placement of a catheter |
| US9521961B2 (en) | 2007-11-26 | 2016-12-20 | C. R. Bard, Inc. | Systems and methods for guiding a medical instrument |
| US8781555B2 (en) | 2007-11-26 | 2014-07-15 | C. R. Bard, Inc. | System for placement of a catheter including a signal-generating stylet |
| US10449330B2 (en) | 2007-11-26 | 2019-10-22 | C. R. Bard, Inc. | Magnetic element-equipped needle assemblies |
| US10751509B2 (en) | 2007-11-26 | 2020-08-25 | C. R. Bard, Inc. | Iconic representations for guidance of an indwelling medical device |
| US10524691B2 (en) | 2007-11-26 | 2020-01-07 | C. R. Bard, Inc. | Needle assembly including an aligned magnetic element |
| US9649048B2 (en) | 2007-11-26 | 2017-05-16 | C. R. Bard, Inc. | Systems and methods for breaching a sterile field for intravascular placement of a catheter |
| EP2712547B1 (en) | 2007-11-26 | 2015-09-30 | C. R. Bard, Inc. | Integrated system for intravascular placement of a catheter |
| EP2224847A4 (en) * | 2007-12-28 | 2013-01-23 | Cvrx Inc | MEASURE THE PHYSIOLOGICAL PARAMETERS OF A PATIENT |
| EP2313143B1 (en) | 2008-08-22 | 2014-09-24 | C.R. Bard, Inc. | Catheter assembly including ecg sensor and magnetic assemblies |
| US8437833B2 (en) | 2008-10-07 | 2013-05-07 | Bard Access Systems, Inc. | Percutaneous magnetic gastrostomy |
| WO2010057495A2 (en) * | 2008-11-18 | 2010-05-27 | Sense A/S | Methods, apparatus and sensor for measurement of cardiovascular quantities |
| US9532724B2 (en) | 2009-06-12 | 2017-01-03 | Bard Access Systems, Inc. | Apparatus and method for catheter navigation using endovascular energy mapping |
| BRPI1010773B1 (pt) | 2009-06-12 | 2021-06-01 | Bard Access Systems, Inc | Adaptador para eletrocardiografia endovascular referência cruzada para pedidos relacionados |
| EP2464407A4 (en) | 2009-08-10 | 2014-04-02 | Bard Access Systems Inc | DEVICES AND METHODS FOR ENDOVASCULAR ELECTROGRAPHY |
| CN102665541B (zh) | 2009-09-29 | 2016-01-13 | C·R·巴德股份有限公司 | 与用于导管的血管内放置的设备一起使用的探针 |
| CA2777797A1 (en) | 2009-10-26 | 2011-05-05 | Impedimed Limited | Fluid level indicator determination |
| JP5755234B2 (ja) | 2009-11-18 | 2015-07-29 | インぺディメッド リミテッドＩｍｐｅｄｉｍｅｄ Ｌｉｍｉｔｅｄ | 患者−電極間測定のための装置およびシステム |
| JP2013518676A (ja) | 2010-02-02 | 2013-05-23 | シー・アール・バード・インコーポレーテッド | カテーテルナビゲーションおよびチップの位置を特定するための装置および方法 |
| ES2778041T3 (es) | 2010-05-28 | 2020-08-07 | Bard Inc C R | Aparato para su uso con sistema de guiado de inserción de aguja |
| EP2912999B1 (en) | 2010-05-28 | 2022-06-29 | C. R. Bard, Inc. | Apparatus for use with needle insertion guidance system |
| US20120046562A1 (en) | 2010-08-20 | 2012-02-23 | C. R. Bard, Inc. | Reconfirmation of ecg-assisted catheter tip placement |
| CN103189009B (zh) | 2010-10-29 | 2016-09-07 | C·R·巴德股份有限公司 | 医疗设备的生物阻抗辅助放置 |
| US8608636B2 (en) * | 2010-11-12 | 2013-12-17 | Libraheart, Inc.V | Ventricular assist device cannula and ventricular assist device including the same |
| JP6008960B2 (ja) | 2011-07-06 | 2016-10-19 | シー・アール・バード・インコーポレーテッドＣ Ｒ Ｂａｒｄ Ｉｎｃｏｒｐｏｒａｔｅｄ | 挿入案内システムのためのニードル長決定および較正 |
| AU2012351988B2 (en) * | 2011-12-14 | 2017-05-04 | Impedimed Limited | Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue |
| US11759268B2 (en) | 2012-04-05 | 2023-09-19 | C. R. Bard, Inc. | Apparatus and methods relating to intravascular positioning of distal end of catheter |
| EP2833786A4 (en) | 2012-04-05 | 2015-11-11 | Bard Access Systems Inc | DEVICES AND SYSTEMS FOR NAVIGATING AND POSITIONING A CENTRAL VENOUS CATHETER IN A PATIENT |
| US10159531B2 (en) | 2012-04-05 | 2018-12-25 | C. R. Bard, Inc. | Apparatus and methods relating to intravascular positioning of distal end of catheter |
| US9597482B2 (en) | 2012-06-18 | 2017-03-21 | Smart Iv Llc | Apparatus and method for monitoring catheter insertion |
| US8700133B2 (en) | 2012-06-18 | 2014-04-15 | Smart Iv Llc | Apparatus and method for monitoring catheter insertion |
| CN105979868B (zh) | 2014-02-06 | 2020-03-10 | C·R·巴德股份有限公司 | 用于血管内装置的导向和放置的系统和方法 |
| US10973584B2 (en) | 2015-01-19 | 2021-04-13 | Bard Access Systems, Inc. | Device and method for vascular access |
| WO2016210325A1 (en) | 2015-06-26 | 2016-12-29 | C.R. Bard, Inc. | Connector interface for ecg-based catheter positioning system |
| US11000207B2 (en) | 2016-01-29 | 2021-05-11 | C. R. Bard, Inc. | Multiple coil system for tracking a medical device |
| CN112867443B (zh) | 2018-10-16 | 2024-04-26 | 巴德阿克塞斯系统股份有限公司 | 用于建立电连接的安全装备连接系统及其方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3149627A (en) * | 1962-04-25 | 1964-09-22 | Samuel M Bagno | Plethysmograph |
| SU858769A1 (ru) * | 1978-12-20 | 1981-08-30 | Грузинский Ордена Ленина И Ордена Трудового Красного Знамени Политехнический Институт Им. В.И.Ленина | Способ определени скорости кровотока |
| RU2019128C1 (ru) * | 1991-06-03 | 1994-09-15 | Научно-Исследовательский Институт Автоматики И Электромеханики При Томском Институте Автоматизированных Систем Управления И Радиоэлектроники | Устройство для исследования центральной и регионарной гемодинамики |
| SE9202937D0 (sv) * | 1992-10-07 | 1992-10-07 | Siemens Elema Ab | Frekvensadaptiv hjaertstimulator |
| WO1994022367A1 (en) * | 1993-03-30 | 1994-10-13 | Pfizer Inc. | Radiotelemetry impedance plethysmography device |
| RU2134533C1 (ru) * | 1997-07-02 | 1999-08-20 | Индивидуальное частное предприятие "Изотерма" | Устройство для определения кожного кровотока |
| RU2131696C1 (ru) * | 1997-07-02 | 1999-06-20 | Мажбич Александр Борисович | Осциловазометр |
| NL1012223C2 (nl) * | 1999-06-03 | 2000-12-06 | Martil Instr B V | Hartgangmaker alsmede gangmakereenheid en elektrische draad daarvoor. |
| US6360123B1 (en) * | 1999-08-24 | 2002-03-19 | Impulse Dynamics N.V. | Apparatus and method for determining a mechanical property of an organ or body cavity by impedance determination |
| DE10002932A1 (de) * | 2000-01-25 | 2001-07-26 | Biotronik Mess & Therapieg | Medizinisches Geräteimplantat |
| US6740038B2 (en) * | 2000-09-29 | 2004-05-25 | New Health Sciences, Inc. | Systems and methods for assessing vascular effects of a treatment |
| AU2002341609A1 (en) * | 2001-09-06 | 2003-03-24 | Drexel University | Detecting vital signs from impedance cardiograph and electrocardiogram signals |
| US6892095B2 (en) * | 2001-12-31 | 2005-05-10 | Cardiac Pacemakers, Inc. | Method and apparatus for monitoring left ventricular work or power |
| AT413189B (de) * | 2002-10-07 | 2005-12-15 | Cnsystems Medizintechnik Gmbh | Medizinisches elektroden-element |
| US7783345B2 (en) * | 2002-10-07 | 2010-08-24 | Cnsystems Medizintechnik Gmbh | Impedance-based measuring method for hemodynamic parameters |
-
2006
- 2006-08-03 NL NL1032272A patent/NL1032272C2/nl not_active IP Right Cessation
- 2006-09-12 CA CA002622277A patent/CA2622277A1/en not_active Abandoned
- 2006-09-12 EA EA200800826A patent/EA011969B1/ru not_active IP Right Cessation
- 2006-09-12 US US11/991,982 patent/US20090209872A1/en not_active Abandoned
- 2006-09-12 BR BRPI0616062-0A patent/BRPI0616062A2/pt not_active IP Right Cessation
- 2006-09-12 JP JP2008531035A patent/JP2009508569A/ja not_active Ceased
- 2006-09-12 AU AU2006291620A patent/AU2006291620B2/en not_active Ceased
- 2006-09-12 DE DE602006005172T patent/DE602006005172D1/de active Active
- 2006-09-12 EP EP06783918A patent/EP1933701B1/en not_active Not-in-force
- 2006-09-12 AT AT06783918T patent/ATE422328T1/de not_active IP Right Cessation
- 2006-09-12 WO PCT/NL2006/000452 patent/WO2007032665A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| AU2006291620A1 (en) | 2007-03-22 |
| EA200800826A1 (ru) | 2009-06-30 |
| WO2007032665A2 (en) | 2007-03-22 |
| DE602006005172D1 (de) | 2009-03-26 |
| WO2007032665A3 (en) | 2007-05-10 |
| BRPI0616062A2 (pt) | 2011-06-07 |
| AU2006291620B2 (en) | 2012-02-16 |
| ATE422328T1 (de) | 2009-02-15 |
| NL1032272A1 (nl) | 2007-03-16 |
| EP1933701B1 (en) | 2009-02-11 |
| JP2009508569A (ja) | 2009-03-05 |
| EP1933701A2 (en) | 2008-06-25 |
| NL1032272C2 (nl) | 2007-05-16 |
| EA011969B1 (ru) | 2009-06-30 |
| US20090209872A1 (en) | 2009-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |
Effective date: 20150224 |