DE60124736D1 - Vorrichtung zur messung des abschnittsweisen volumens und der elektrischen parallelleitfähigkeit einer herzkammer oder eines blutgefässes - Google Patents
Vorrichtung zur messung des abschnittsweisen volumens und der elektrischen parallelleitfähigkeit einer herzkammer oder eines blutgefässesInfo
- Publication number
- DE60124736D1 DE60124736D1 DE60124736T DE60124736T DE60124736D1 DE 60124736 D1 DE60124736 D1 DE 60124736D1 DE 60124736 T DE60124736 T DE 60124736T DE 60124736 T DE60124736 T DE 60124736T DE 60124736 D1 DE60124736 D1 DE 60124736D1
- Authority
- DE
- Germany
- Prior art keywords
- blood vessel
- indicator
- blood
- conductance
- measuring
- 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.)
- Expired - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—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
- A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
-
- 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
- A61B5/0535—Impedance plethysmography
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Hematology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physiology (AREA)
- Cardiology (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 Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1016122A NL1016122C2 (nl) | 2000-09-07 | 2000-09-07 | Werkwijze en inrichting voor het bepalen van het segmentale volume en de elektrische parallelgeleiding van een hartkamer of een bloedvat van een patiÙnt, alsmede katheter voor toepassing bij deze werkwijze of inrichting. |
NL1016122 | 2000-09-07 | ||
PCT/NL2001/000641 WO2002019905A1 (en) | 2000-09-07 | 2001-08-30 | Method and device for determining the segmental volume and electrical parallel conductance of a cardiac chamber or blood vessel |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60124736D1 true DE60124736D1 (de) | 2007-01-04 |
DE60124736T2 DE60124736T2 (de) | 2007-10-04 |
Family
ID=19772035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60124736T Expired - Lifetime DE60124736T2 (de) | 2000-09-07 | 2001-08-30 | Vorrichtung zur messung des abschnittsweisen volumens und der elektrischen parallelleitfähigkeit einer herzkammer oder eines blutgefässes |
Country Status (7)
Country | Link |
---|---|
US (1) | US7069072B2 (de) |
EP (1) | EP1315448B1 (de) |
AT (1) | ATE345733T1 (de) |
DE (1) | DE60124736T2 (de) |
DK (1) | DK1315448T3 (de) |
NL (1) | NL1016122C2 (de) |
WO (1) | WO2002019905A1 (de) |
Families Citing this family (56)
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---|---|---|---|---|
US10568546B2 (en) | 2003-02-21 | 2020-02-25 | 3Dt Holdings, Llc | Devices and methods for sizing valve apertures and luminal organs |
US10172538B2 (en) | 2003-02-21 | 2019-01-08 | 3Dt Holdings, Llc | Body lumen junction localization |
US8388604B2 (en) * | 2003-02-21 | 2013-03-05 | Dtherapeutics, Llc | Devices, systems, and methods for removing contrast from luminal organs |
US9462960B2 (en) | 2003-02-21 | 2016-10-11 | 3Dt Holdings, Llc | Impedance devices and methods of using the same to obtain luminal organ measurements |
US8465452B2 (en) | 2003-02-21 | 2013-06-18 | 3Dt Holdings, Llc | Devices, systems, and methods for removing stenotic lesions from vessels |
US20100152607A1 (en) * | 2003-02-21 | 2010-06-17 | Kassab Ghassan S | Devices, systems, and methods for measuring parallel tissue conductance, luminal cross-sectional areas, fluid velocity, and/or determining plaque vulnerability using temperature |
US10413211B2 (en) | 2003-02-21 | 2019-09-17 | 3Dt Holdings, Llc | Systems, devices, and methods for mapping organ profiles |
US8078274B2 (en) | 2003-02-21 | 2011-12-13 | Dtherapeutics, Llc | Device, system and method for measuring cross-sectional areas in luminal organs |
US8886301B2 (en) | 2003-02-21 | 2014-11-11 | 3Dt Holdings, Llc | Impedance devices for obtaining conductance measurements within luminal organs |
US8185194B2 (en) | 2003-02-21 | 2012-05-22 | Dtherapeutics, Llc | Systems and methods for determining phasic cardiac cycle measurements |
US7818053B2 (en) * | 2003-02-21 | 2010-10-19 | Dtherapeutics, Llc | Devices, systems and methods for plaque type determination |
WO2004075928A2 (en) | 2003-02-21 | 2004-09-10 | Electro-Cat, Llc | System and method for measuring cross-sectional areas and pressure gradients in luminal organs |
US9603545B2 (en) | 2003-02-21 | 2017-03-28 | 3Dt Holdings, Llc | Devices, systems, and methods for removing targeted lesions from vessels |
US8406867B2 (en) | 2003-02-21 | 2013-03-26 | Dtherapeutics, Llc | Balloon sizing of valve annulus for percutaneous valves |
WO2006090351A1 (en) * | 2005-02-21 | 2006-08-31 | Diagles Ltd | Method and apparatus for mechanical measurement of sphincters and narrowing regions in hollow biological organs |
US7803121B2 (en) | 2005-08-22 | 2010-09-28 | Scisense Inc. | Implant transmitter |
US8784336B2 (en) | 2005-08-24 | 2014-07-22 | C. R. Bard, Inc. | Stylet apparatuses and methods of manufacture |
NZ570010A (en) * | 2006-01-25 | 2011-08-26 | Dtherapeutics Llc | Devices, systems and methods for determining sizes of vessels |
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 |
WO2008091557A2 (en) | 2007-01-23 | 2008-07-31 | Cvdevices, Llc | Devices, systems, and methods to evaluate cardiovascular function |
US10449330B2 (en) | 2007-11-26 | 2019-10-22 | C. R. Bard, Inc. | Magnetic element-equipped needle assemblies |
US8781555B2 (en) | 2007-11-26 | 2014-07-15 | C. R. Bard, Inc. | System for placement of a catheter including a signal-generating stylet |
US9456766B2 (en) | 2007-11-26 | 2016-10-04 | C. R. Bard, Inc. | Apparatus for use with needle insertion guidance system |
US10751509B2 (en) | 2007-11-26 | 2020-08-25 | C. R. Bard, Inc. | Iconic representations for guidance of an indwelling medical device |
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 |
US9521961B2 (en) | 2007-11-26 | 2016-12-20 | C. R. Bard, Inc. | Systems and methods for guiding a medical instrument |
US8849382B2 (en) | 2007-11-26 | 2014-09-30 | C. R. Bard, Inc. | Apparatus and display methods relating to intravascular placement of a catheter |
AU2008329807B2 (en) | 2007-11-26 | 2014-02-27 | C. R. Bard, Inc. | Integrated system for intravascular placement of a catheter |
US10524691B2 (en) | 2007-11-26 | 2020-01-07 | C. R. Bard, Inc. | Needle assembly including an aligned magnetic element |
EP2313143B1 (de) | 2008-08-22 | 2014-09-24 | C.R. Bard, Inc. | Katheteranordnung mit ekg-sensor und magnetischen baugruppen |
US8437833B2 (en) | 2008-10-07 | 2013-05-07 | Bard Access Systems, Inc. | Percutaneous magnetic gastrostomy |
US9532724B2 (en) | 2009-06-12 | 2017-01-03 | Bard Access Systems, Inc. | Apparatus and method for catheter navigation using endovascular energy mapping |
ES2745861T3 (es) | 2009-06-12 | 2020-03-03 | Bard Access Systems Inc | Aparato, algoritmo de procesamiento de datos asistido por ordenador y medio de almacenamiento informático para posicionar un dispositivo endovascular en o cerca del corazón |
WO2011019760A2 (en) | 2009-08-10 | 2011-02-17 | Romedex International Srl | Devices and methods for endovascular electrography |
EP2517622A3 (de) | 2009-09-29 | 2013-04-24 | C. R. Bard, Inc. | Stillete zur Verwendung mit Vorrichtungen zur intravaskulären Positionierung eines Katheters |
ES2811107T3 (es) | 2010-02-02 | 2021-03-10 | Bard Inc C R | Aparato y método para conducción de catéter y localización de punta |
US8706209B2 (en) | 2010-02-05 | 2014-04-22 | 3Dt Holdings, Llc | Devices, systems, and methods for measuring parallel tissue conductance, luminal cross-sectional areas, fluid velocity, and/or determining plaque vulnerability using temperature |
WO2011097568A2 (en) * | 2010-02-05 | 2011-08-11 | Dtherapeutics, Llc | Devices, systems, and methods for measuring parallel tissue conductance, luminal cross-sectional areas, fluid velocity, and/or determining plaque vulnerability using temperature |
EP2575610B1 (de) | 2010-05-28 | 2022-10-05 | C. R. Bard, Inc. | Einsatzführungssystem für nadeln und medizinische komponenten |
MX338127B (es) | 2010-08-20 | 2016-04-04 | Bard Inc C R | Reconfirmacion de colocacion de una punta de cateter asistida por ecg. |
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 |
KR20140051284A (ko) | 2011-07-06 | 2014-04-30 | 씨. 알. 바드, 인크. | 삽입 유도 시스템을 위한 바늘 길이 결정 및 교정 |
US9734938B2 (en) | 2011-10-06 | 2017-08-15 | 3Dt Holdings, Llc | Devices and systems for obtaining conductance data and methods of manufacturing and using the same |
US11373780B2 (en) | 2011-10-06 | 2022-06-28 | 3Dt Holdings, Llc | Methods to generate elongated wires having a metallic substrate thereon and devices comprising the same |
US9066672B2 (en) | 2011-10-27 | 2015-06-30 | 3Dt Holdings, Llc | Single injection methods for obtaining conductance measurements within luminal organs using impedance devices |
EP3808259A1 (de) | 2012-04-05 | 2021-04-21 | Bard Access Systems, Inc. | Vorrichtungen und systeme zur navigation und positionierung eines zentralvenösen katheters in einem patienten |
US10159531B2 (en) | 2012-04-05 | 2018-12-25 | C. R. Bard, Inc. | Apparatus and methods relating to intravascular positioning of distal end of catheter |
US11759268B2 (en) | 2012-04-05 | 2023-09-19 | C. R. Bard, Inc. | Apparatus and methods relating to intravascular positioning of distal end of catheter |
US9675257B2 (en) | 2013-03-15 | 2017-06-13 | 3Dt Holdings, Llc | Impedance devices and methods to use the same to obtain luminal organ measurements |
US9402549B2 (en) | 2013-11-27 | 2016-08-02 | General Electric Company | Methods and apparatus to estimate ventricular volumes |
EP3073910B1 (de) | 2014-02-06 | 2020-07-15 | C.R. Bard, Inc. | Systeme zur führung und platzierung einer intravaskulären vorrichtung |
US10973584B2 (en) | 2015-01-19 | 2021-04-13 | Bard Access Systems, Inc. | Device and method for vascular access |
US10349890B2 (en) | 2015-06-26 | 2019-07-16 | 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 (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4380237A (en) * | 1979-12-03 | 1983-04-19 | Massachusetts General Hospital | Apparatus for making cardiac output conductivity measurements |
US4572206A (en) * | 1982-04-21 | 1986-02-25 | Purdue Research Foundation | Method and apparatus for measuring cardiac output |
US4674518A (en) * | 1985-09-06 | 1987-06-23 | Cardiac Pacemakers, Inc. | Method and apparatus for measuring ventricular volume |
US4721115A (en) * | 1986-02-27 | 1988-01-26 | Cardiac Pacemakers, Inc. | Diagnostic catheter for monitoring cardiac output |
US4840182A (en) * | 1988-04-04 | 1989-06-20 | Rhode Island Hospital | Conductance catheter |
US5000190A (en) * | 1988-06-22 | 1991-03-19 | The Cleveland Clinic Foundation | Continuous cardiac output by impedance measurements in the heart |
US4898176A (en) * | 1988-06-22 | 1990-02-06 | The Cleveland Clinic Foundation | Continuous cardiac output by impedance measurements in the heart |
US5092339A (en) * | 1990-07-23 | 1992-03-03 | Geddes Leslie A | Method and apparatus for electrically compensated measurement of cardiac output |
US5207228A (en) * | 1992-01-21 | 1993-05-04 | Baxter International Inc. | Dual port thermodilution catheter |
US5882312A (en) * | 1996-09-17 | 1999-03-16 | Cleveland Clinic Foundation | Method and apparatus to correct for electric current leakage in conductance volumetry |
NL1005572C1 (nl) * | 1997-03-19 | 1998-09-22 | Jozef Reinier Cornelis Jansen | Inrichting voor het bepalen van de gemiddelde bloedstroomsterkte van het hart van een patiënt. |
-
2000
- 2000-09-07 NL NL1016122A patent/NL1016122C2/nl not_active IP Right Cessation
-
2001
- 2001-08-30 DK DK01975007T patent/DK1315448T3/da active
- 2001-08-30 EP EP01975007A patent/EP1315448B1/de not_active Expired - Lifetime
- 2001-08-30 US US10/363,713 patent/US7069072B2/en not_active Expired - Lifetime
- 2001-08-30 DE DE60124736T patent/DE60124736T2/de not_active Expired - Lifetime
- 2001-08-30 AT AT01975007T patent/ATE345733T1/de not_active IP Right Cessation
- 2001-08-30 WO PCT/NL2001/000641 patent/WO2002019905A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US7069072B2 (en) | 2006-06-27 |
WO2002019905A1 (en) | 2002-03-14 |
NL1016122C2 (nl) | 2002-03-11 |
DK1315448T3 (da) | 2007-04-02 |
ATE345733T1 (de) | 2006-12-15 |
EP1315448B1 (de) | 2006-11-22 |
EP1315448A1 (de) | 2003-06-04 |
DE60124736T2 (de) | 2007-10-04 |
US20040024329A1 (en) | 2004-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |