DE60331975D1 - Verfahren zur Erhöhung der Genauigkeit eines Thermodilutionkatheters - Google Patents
Verfahren zur Erhöhung der Genauigkeit eines ThermodilutionkathetersInfo
- Publication number
- DE60331975D1 DE60331975D1 DE60331975T DE60331975T DE60331975D1 DE 60331975 D1 DE60331975 D1 DE 60331975D1 DE 60331975 T DE60331975 T DE 60331975T DE 60331975 T DE60331975 T DE 60331975T DE 60331975 D1 DE60331975 D1 DE 60331975D1
- Authority
- DE
- Germany
- Prior art keywords
- blood flow
- accuracy
- increasing
- thermodilution catheter
- injectate
- 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
- 230000017531 blood circulation Effects 0.000 abstract 4
- 238000010790 dilution Methods 0.000 abstract 1
- 239000012895 dilution Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 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 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
- A61B5/028—Measuring blood flow using tracers, e.g. dye dilution by thermo-dilution
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
- A61B5/6855—Catheters with a distal curved tip
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Physiology (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/079,006 US6623436B2 (en) | 2002-02-20 | 2002-02-20 | Retrograde catheter with reduced injectate induced temperature offset |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60331975D1 true DE60331975D1 (de) | 2010-05-12 |
Family
ID=27660316
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60320150T Expired - Lifetime DE60320150T2 (de) | 2002-02-20 | 2003-02-20 | System zur Messung des Blutflusses mittels Thermodilution |
DE60331975T Expired - Lifetime DE60331975D1 (de) | 2002-02-20 | 2003-02-20 | Verfahren zur Erhöhung der Genauigkeit eines Thermodilutionkatheters |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60320150T Expired - Lifetime DE60320150T2 (de) | 2002-02-20 | 2003-02-20 | System zur Messung des Blutflusses mittels Thermodilution |
Country Status (4)
Country | Link |
---|---|
US (3) | US6623436B2 (de) |
EP (3) | EP1645226B1 (de) |
AT (2) | ATE390885T1 (de) |
DE (2) | DE60320150T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6746408B2 (en) * | 2001-05-29 | 2004-06-08 | Transonic Systems Inc. | Method of blood flow measurement in arterio-venous hemodialysis shunts by indicator dilution |
US6623436B2 (en) * | 2002-02-20 | 2003-09-23 | Transonic Systems, Inc. | Retrograde catheter with reduced injectate induced temperature offset |
US7500949B2 (en) * | 2002-03-01 | 2009-03-10 | Medtronic Minimed, Inc. | Multilumen catheter |
US9283521B2 (en) * | 2002-06-14 | 2016-03-15 | Parker-Hannifin Corporation | Single-use manifold and sensors for automated, aseptic transfer of solutions in bioprocessing applications |
USRE49221E1 (en) * | 2002-06-14 | 2022-09-27 | Parker Intangibles, Llc | Single-use manifolds for automated, aseptic handling of solutions in bioprocessing applications |
US8075540B2 (en) * | 2004-11-09 | 2011-12-13 | Hollister Incorporated | Bowel management system with physiologic sensors |
US20070219441A1 (en) * | 2006-02-27 | 2007-09-20 | Patrick Carlin | Catheter with integral biosensor |
US7643879B2 (en) * | 2006-08-24 | 2010-01-05 | Cardiac Pacemakers, Inc. | Integrated cardiac rhythm management system with heart valve |
DE102007049409C5 (de) * | 2007-10-15 | 2020-04-09 | Edwards Lifesciences Iprm Ag | Verfahren und Vorrichtung für Indikator-Verdünnungsmessungen |
ES2749582T3 (es) | 2013-04-25 | 2020-03-23 | Hexacath | Sistema de catéter de termodilución |
US11813416B2 (en) | 2013-04-25 | 2023-11-14 | Hexacath | Catheter systems and methods for performing a destruction of a body obstruction |
US9180260B2 (en) | 2013-08-30 | 2015-11-10 | Covidien Lp | Systems and methods for monitoring an injection procedure |
US20150112215A1 (en) * | 2013-10-18 | 2015-04-23 | Boston Scientific Scimed, Inc. | Catheter systems and methods for determining blood flow rates with acoustic dilution |
CN109310338B (zh) * | 2016-06-29 | 2021-11-19 | 皮科洛医疗公司 | 用于血管导航、评估和/或诊断的装置和方法 |
JP7061114B6 (ja) | 2016-09-28 | 2022-06-03 | コーニンクレッカ フィリップス エヌ ヴェ | 血流測定システム |
CN110009962B (zh) * | 2019-04-16 | 2023-10-10 | 西南石油大学 | 基于运动缩放的血管介入手术训练系统 |
WO2024026091A1 (en) * | 2022-07-28 | 2024-02-01 | Transonic Systems Inc. | Flow rate calculation with indicator dilution |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1115A (en) * | 1839-04-10 | Charles button and harrison grey dyar | ||
US3726269A (en) | 1971-11-24 | 1973-04-10 | W Webster | Cardiovascular catheter for thermal dilution measurement |
US3987788A (en) * | 1975-07-09 | 1976-10-26 | American Hospital Supply Corporation | System for computing cardiac flow rates from thermodilution measurements |
US4153048A (en) * | 1977-09-14 | 1979-05-08 | Cleveland Clinic Foundation | Thermodilution catheter and method |
US4796640A (en) * | 1984-01-13 | 1989-01-10 | American Hospital Supply Corporation | Apparatus with fast response thermistor |
JPS62207435A (ja) * | 1986-03-07 | 1987-09-11 | テルモ株式会社 | 心拍出量測定用カテ−テル |
JPH02112757A (ja) | 1988-10-21 | 1990-04-25 | Babcock Hitachi Kk | 配管内の粉粒体濃度計測装置 |
DE69017567T2 (de) * | 1989-09-14 | 1995-07-06 | Terumo Corp | Katheter zur Messung des Herzausstosses. |
JPH04194663A (ja) | 1990-11-28 | 1992-07-14 | Toshiba Corp | 超音波式流量濃度測定装置 |
US5271410A (en) * | 1991-04-01 | 1993-12-21 | Baxter International Inc. | Catheter with rapid response thermistor and method |
US5682899A (en) * | 1991-05-16 | 1997-11-04 | Ami-Med Corporation | Apparatus and method for continuous cardiac output monitoring |
US5246016A (en) | 1991-11-08 | 1993-09-21 | Baxter International Inc. | Transport catheter and multiple probe analysis method |
US6036654A (en) * | 1994-09-23 | 2000-03-14 | Baxter International Inc. | Multi-lumen, multi-parameter catheter |
BE1009291A6 (nl) | 1995-04-14 | 1997-01-07 | Billiet Erik | Apparaat voor het meten van het bloeddebiet met behulp van een swan-ganz katheter. |
SE9600334D0 (sv) * | 1996-01-30 | 1996-01-30 | Radi Medical Systems | Combined flow, pressure and temperature sensor |
US5782811A (en) * | 1996-05-30 | 1998-07-21 | Target Therapeutics, Inc. | Kink-resistant braided catheter with distal side holes |
US5833671A (en) | 1996-06-17 | 1998-11-10 | Cardeon Corporation | Triple lumen catheter with controllable antegrade and retrograde fluid flow |
US6030654A (en) * | 1996-09-11 | 2000-02-29 | Church & Dwight Co., Inc. | Composition for no fat of reduced fat bakery products |
DE19734220C2 (de) * | 1997-08-07 | 2000-01-13 | Pulsion Verwaltungs Gmbh & Co | Kathetersystem mit einem Einführungsdraht |
DE19738942A1 (de) * | 1997-09-05 | 1999-03-25 | Pulsion Verwaltungs Gmbh & Co | Verfahren und Vorrichtung zur Injektionszeitpunkt- und Injektionsdauerbestimmung bei Thermodilutionsmessungen |
US6217527B1 (en) * | 1998-09-30 | 2001-04-17 | Lumend, Inc. | Methods and apparatus for crossing vascular occlusions |
US6241667B1 (en) | 1998-01-15 | 2001-06-05 | Lumend, Inc. | Catheter apparatus for guided transvascular treatment of arterial occlusions |
US6089103A (en) * | 1998-05-06 | 2000-07-18 | Radi Medical Systems Ab | Method of flow measurements |
US6315735B1 (en) | 1999-03-31 | 2001-11-13 | Pulsion Medical Systems Ag | Devices for in-vivo determination of the compliance function and the systemic blood flow of a living being |
US6231498B1 (en) * | 1999-06-23 | 2001-05-15 | Pulsion Medical Systems Ag | Combined catheter system for IABP and determination of thermodilution cardiac output |
SE516215C2 (sv) | 1999-07-10 | 2001-12-03 | Argmed Kb | Perfusionssystem samt pumpanordning och styrsystem för användning i perfusionssystemet |
US6383144B1 (en) | 2000-01-18 | 2002-05-07 | Edwards Lifesciences Corporation | Devices and methods for measuring temperature of a patient |
US6623436B2 (en) * | 2002-02-20 | 2003-09-23 | Transonic Systems, Inc. | Retrograde catheter with reduced injectate induced temperature offset |
-
2002
- 2002-02-20 US US10/079,006 patent/US6623436B2/en not_active Expired - Lifetime
-
2003
- 2003-02-20 EP EP05110663A patent/EP1645226B1/de not_active Expired - Lifetime
- 2003-02-20 EP EP03003877A patent/EP1338244A1/de not_active Ceased
- 2003-02-20 DE DE60320150T patent/DE60320150T2/de not_active Expired - Lifetime
- 2003-02-20 EP EP06119968A patent/EP1738685B1/de not_active Expired - Lifetime
- 2003-02-20 AT AT05110663T patent/ATE390885T1/de not_active IP Right Cessation
- 2003-02-20 DE DE60331975T patent/DE60331975D1/de not_active Expired - Lifetime
- 2003-02-20 AT AT06119968T patent/ATE462352T1/de not_active IP Right Cessation
- 2003-09-09 US US10/657,829 patent/US8133185B2/en not_active Expired - Fee Related
-
2012
- 2012-02-27 US US13/405,835 patent/US20120165689A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1738685B1 (de) | 2010-03-31 |
EP1645226B1 (de) | 2008-04-02 |
US6623436B2 (en) | 2003-09-23 |
EP1738685A2 (de) | 2007-01-03 |
EP1738685A3 (de) | 2007-04-04 |
EP1645226A3 (de) | 2006-05-03 |
US20120165689A1 (en) | 2012-06-28 |
ATE390885T1 (de) | 2008-04-15 |
US20030158491A1 (en) | 2003-08-21 |
US20040054293A1 (en) | 2004-03-18 |
DE60320150T2 (de) | 2009-05-20 |
EP1645226A2 (de) | 2006-04-12 |
US8133185B2 (en) | 2012-03-13 |
DE60320150D1 (de) | 2008-05-15 |
ATE462352T1 (de) | 2010-04-15 |
EP1338244A1 (de) | 2003-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60331975D1 (de) | Verfahren zur Erhöhung der Genauigkeit eines Thermodilutionkatheters | |
ATE511788T1 (de) | Verfahren und vorrichtung zur überwachung des blutdrucks | |
ATE370387T1 (de) | Vorrichtung und verfahren zur überwachung von bewegten objekten | |
ATE460882T1 (de) | Echtzeitüberwachung des zustandes des vegetativen nervensystems | |
CY1109638T1 (el) | Ενα συστημα ή μεθοδος για την εκτιμηση της περιφερειακης κυκλοφοριας του αιματος ενος υποκειμενου | |
DE602006010378D1 (de) | Gerät zur überwachung der zerebralen perfusion | |
ATE314002T1 (de) | Vorrichtung zur blutdrucküberwachung | |
ATE363932T1 (de) | Verfahren und vorrichtung zur messung physiologischer parameter | |
WO2006056907A3 (en) | Depression detection system | |
WO2006081453A3 (en) | Method and apparatus for continuous pulse contour cardiac output | |
DE60323633D1 (de) | Messfühlereinheit und verfahren zur messung eines blutrelevanten parameters und system mit einer solchen messfühlereinheit | |
DE502005000229D1 (de) | Verfahren und Vorrichtung zur Messung der Temperatur oder anderen Grössen in einer U-förmigen Erdwärmesonde sowie Ausspülanordnung dafür | |
ATE507771T1 (de) | Blutdruckberechnungsverfahren für nichtinvasive blutdruckmessgeräte | |
RU2006136875A (ru) | Электронное устройство для измерения артериального давления, способное осуществлять сохранение результатов измерения | |
ATE536132T1 (de) | Elektronische vorrichtung und verfahren zum erfassen der fettverbrennungsschwelle mit hilfe von hrv und herzfrequenz | |
BRPI0501518A (pt) | aparelho, sistema computadorizado e método para determinar volume de sangue intratoráxico e outros parámetros cardiovasculares | |
DE502006004602D1 (de) | Vorrichtung zur Bestimmung der Winkellage einer drehbaren Verdichterleitschaufel | |
EP1394687A3 (de) | Vorrichtung und Verfahren zur Analyse von Herzfrequenzschwankungen auf der Grundlage von Elektrokardiogramminformationen | |
PT1267736E (pt) | Dispositivo de medicao de temperatura vascular | |
DE60307448D1 (de) | Vorrichtung und verfahren zur messung der vaskulären impedanz | |
ATE470154T1 (de) | Verfahren zur bewertung von insulinresistenz | |
ATE398964T1 (de) | Multifaser sensor zum messen der durchblutung | |
EP1790283A1 (de) | Verfahren und System zum Messen der Blutzirkulationsgeschwindigkeit | |
ATE363229T1 (de) | Gerät zur herzzeitvolumenbestimmung eines patienten | |
EP1334692A3 (de) | Blutdruckindexmessgerät der oberen und unteren Glieder |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |