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
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 |
---|---|---|---|
DE60331975T Expired - Lifetime DE60331975D1 (de) | 2002-02-20 | 2003-02-20 | Verfahren zur Erhöhung der Genauigkeit eines Thermodilutionkatheters |
DE60320150T Expired - Lifetime DE60320150T2 (de) | 2002-02-20 | 2003-02-20 | System zur Messung des Blutflusses mittels Thermodilution |
Family Applications After (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) | ATE462352T1 (de) |
DE (2) | DE60331975D1 (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 |
US11813416B2 (en) | 2013-04-25 | 2023-11-14 | Hexacath | Catheter systems and methods for performing a destruction of a body obstruction |
ES2749582T3 (es) | 2013-04-25 | 2020-03-23 | Hexacath | Sistema de catéter de termodilución |
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 |
JP6824299B2 (ja) * | 2016-06-29 | 2021-02-03 | ピッコロ・メディカル,インコーポレーテッド | 血管のナビゲーション、評価および/または診断を行うための機器および方法 |
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 |
US20240032812A1 (en) * | 2022-07-28 | 2024-02-01 | Transonic Systems Inc. | Dilution curve compensation in flow rate calculation |
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 |
US6081738A (en) | 1998-01-15 | 2000-06-27 | Lumend, Inc. | Method and apparatus for the guided bypass of coronary 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 DE DE60331975T patent/DE60331975D1/de not_active Expired - Lifetime
- 2003-02-20 EP EP05110663A patent/EP1645226B1/de not_active Expired - Lifetime
- 2003-02-20 AT AT06119968T patent/ATE462352T1/de not_active IP Right Cessation
- 2003-02-20 AT AT05110663T patent/ATE390885T1/de not_active IP Right Cessation
- 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
- 2003-09-09 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 |
---|---|
DE60320150D1 (de) | 2008-05-15 |
US8133185B2 (en) | 2012-03-13 |
EP1738685A3 (de) | 2007-04-04 |
US20030158491A1 (en) | 2003-08-21 |
EP1645226A3 (de) | 2006-05-03 |
US20120165689A1 (en) | 2012-06-28 |
US6623436B2 (en) | 2003-09-23 |
EP1645226B1 (de) | 2008-04-02 |
EP1738685B1 (de) | 2010-03-31 |
DE60320150T2 (de) | 2009-05-20 |
EP1738685A2 (de) | 2007-01-03 |
US20040054293A1 (en) | 2004-03-18 |
ATE390885T1 (de) | 2008-04-15 |
EP1645226A2 (de) | 2006-04-12 |
EP1338244A1 (de) | 2003-08-27 |
ATE462352T1 (de) | 2010-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |