DE59915262D1 - Verfahren zur Bestimmung des Druckverlustes und des Durchflusses durch eine Pumpe - Google Patents
Verfahren zur Bestimmung des Druckverlustes und des Durchflusses durch eine PumpeInfo
- Publication number
- DE59915262D1 DE59915262D1 DE59915262T DE59915262T DE59915262D1 DE 59915262 D1 DE59915262 D1 DE 59915262D1 DE 59915262 T DE59915262 T DE 59915262T DE 59915262 T DE59915262 T DE 59915262T DE 59915262 D1 DE59915262 D1 DE 59915262D1
- Authority
- DE
- Germany
- Prior art keywords
- pump
- determining
- flow
- pressure loss
- loss
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98810657 | 1998-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE59915262D1 true DE59915262D1 (de) | 2011-06-01 |
Family
ID=28686070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE59915262T Expired - Lifetime DE59915262D1 (de) | 1998-07-10 | 1999-07-02 | Verfahren zur Bestimmung des Druckverlustes und des Durchflusses durch eine Pumpe |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6634224B1 (de) |
| DE (1) | DE59915262D1 (de) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPO902797A0 (en) | 1997-09-05 | 1997-10-02 | Cortronix Pty Ltd | A rotary blood pump with hydrodynamically suspended impeller |
| AUPP995999A0 (en) | 1999-04-23 | 1999-05-20 | University Of Technology, Sydney | Non-contact estimation and control system |
| DE10133130A1 (de) * | 2001-07-07 | 2003-01-16 | Miele & Cie | Umwälzpumpe mit/ohne Heizungseinrichtung |
| ATE456963T1 (de) * | 2004-03-24 | 2010-02-15 | Terumo Corp | Zentrifugalblutpumpe mit hydrodynamischer lagerung |
| US7591777B2 (en) * | 2004-05-25 | 2009-09-22 | Heartware Inc. | Sensorless flow estimation for implanted ventricle assist device |
| US20060083642A1 (en) | 2004-10-18 | 2006-04-20 | Cook Martin C | Rotor stability of a rotary pump |
| GB0515088D0 (en) * | 2005-07-22 | 2005-08-31 | Imerys Minerals Ltd | Particulate glass compositions and methods of production |
| TWI384123B (zh) * | 2006-02-23 | 2013-02-01 | Levitronix Technologies Llc | 旋轉泵，具有旋轉泵的液體動力混合機，及使用旋轉泵來處理流體 |
| JP5898190B2 (ja) | 2010-06-22 | 2016-04-06 | ソラテック コーポレーション | 流体送達システム及び流体送達システムを監視するための方法 |
| TW201217010A (en) | 2010-06-22 | 2012-05-01 | Thoratec Corp | Apparatus and method for modifying pressure-flow characteristics of a pump |
| CA2808658C (en) | 2010-08-20 | 2017-02-28 | Thoratec Corporation | Implantable blood pump |
| US9938970B2 (en) | 2011-12-16 | 2018-04-10 | Fluid Handling Llc | Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoring |
| US9427510B2 (en) | 2012-08-31 | 2016-08-30 | Thoratec Corporation | Start-up algorithm for an implantable blood pump |
| WO2014036419A1 (en) | 2012-08-31 | 2014-03-06 | Thoratec Corporation | Hall sensor mounting in an implantable blood pump |
| AU2014205485B2 (en) | 2013-01-09 | 2017-05-04 | Imerys Pigments, Inc. | Treatment for non-caking mine rock dust |
| US20150037496A1 (en) | 2013-01-09 | 2015-02-05 | Imerys Pigments, Inc. | Treatments for non-caking mine rock dust |
| WO2015002697A1 (en) | 2013-07-02 | 2015-01-08 | Imerys Pigments, Inc. | Non-caking rock dust for use in underground coal mines |
| WO2015160995A1 (en) | 2014-04-15 | 2015-10-22 | Thoratec Corporation | Ventricular assist devices |
| WO2015160993A1 (en) | 2014-04-15 | 2015-10-22 | Thoratec Corporation | Methods and systems for providing battery feedback to patient |
| US9526818B2 (en) | 2014-04-15 | 2016-12-27 | Thoratec Corporation | Protective cap for driveline cable connector |
| EP3131598B1 (de) | 2014-04-15 | 2020-10-21 | Tc1 Llc | Systeme zur aufrüstung von ventrikulären unterstützungsvorrichtungen |
| CN110101927B (zh) | 2014-04-15 | 2021-10-08 | Tc1有限责任公司 | 用于控制血泵的方法和*** |
| WO2015160992A1 (en) | 2014-04-15 | 2015-10-22 | Thoratec Corporation | Methods and systems for lvad operation during communication losses |
| EP3081246A1 (de) * | 2015-04-13 | 2016-10-19 | Berlin Heart GmbH | Pumpe sowie verfahren zum betrieb einer pumpe für flüssigkeiten |
| US11414550B2 (en) | 2015-04-27 | 2022-08-16 | Imerys Usa, Inc. | Compositions including blends of hydrophobic and non-hydrophobic inorganic particulate material, for use in covering products |
| EP3088016A1 (de) | 2015-04-29 | 2016-11-02 | Berlin Heart GmbH | Pumpeneinrichtung sowie verfahren zum betrieb einer pumpe für flüssigkeiten |
| WO2017004175A1 (en) | 2015-06-29 | 2017-01-05 | Thoratec Corporation | Ventricular assist devices having a hollow rotor and methods of use |
| US9901666B2 (en) | 2015-07-20 | 2018-02-27 | Tc1 Llc | Flow estimation using hall-effect sensors for measuring impeller eccentricity |
| WO2017015210A1 (en) | 2015-07-20 | 2017-01-26 | Thoratec Corporation | Strain gauge for flow estimation |
| WO2017040317A1 (en) | 2015-08-28 | 2017-03-09 | Thoratec Corporation | Blood pump controllers and methods of use for improved energy efficiency |
| WO2018057795A1 (en) | 2016-09-26 | 2018-03-29 | Tc1 Llc | Heart pump driveline power modulation |
| CN106860929B (zh) * | 2017-01-16 | 2019-02-01 | 哈尔滨理工大学 | 一种用于磁液耦合悬浮式叶轮位移测量的血泵 |
| US10835654B2 (en) | 2017-03-29 | 2020-11-17 | Tc1 Llc | Pressure sensing ventricular assist devices and methods of use |
| EP3600476B1 (de) | 2017-03-29 | 2021-09-01 | Tc1 Llc | Einstellung eines pumpenprotokolls basierend auf unregelmässigem herzrhythmus |
| US11065436B2 (en) | 2017-03-29 | 2021-07-20 | Tc1 Llc | Communication methods and architecture for heart treatment systems |
| EP3615104A1 (de) | 2017-04-28 | 2020-03-04 | Tc1 Llc | Patientenadapter für antriebsstrangkabel und verfahren |
| WO2019139686A1 (en) | 2018-01-10 | 2019-07-18 | Tc1 Llc | Bearingless implantable blood pump |
| WO2019178519A1 (en) | 2018-03-15 | 2019-09-19 | Tc1 Llc | Methods and systems for preventing right heart failure |
| EP3768341A1 (de) | 2018-03-19 | 2021-01-27 | Tc1 Llc | Vorrichtungen und verfahren zur koordinierten ventrikulären unterstützung und herzrhythmusverwaltung |
| WO2019183126A1 (en) | 2018-03-20 | 2019-09-26 | Tc1 Llc | Mechanical gauge for estimating inductance changes in resonant power transfer systems with flexible coils for use with implanted medical devices |
| US11241570B2 (en) | 2018-07-17 | 2022-02-08 | Tc1 Llc | Systems and methods for inertial sensing for VAD diagnostics and closed loop control |
| CN113038985B (zh) | 2018-09-25 | 2024-05-28 | Tc1有限责任公司 | 用于优化心室辅助设备中的流量的自适应速度控制算法和控制器 |
| JP2020128745A (ja) | 2019-02-01 | 2020-08-27 | ホワイト ナイト フルイド ハンドリング インコーポレーテッドＷｈｉｔｅ Ｋｎｉｇｈｔ Ｆｌｕｉｄ Ｈａｎｄｌｉｎｇ Ｉｎｃ． | ロータを支承し、当該ロータを磁気的に軸線方向に位置決めするための磁石を有するポンプ、及びこれに関連する方法 |
| WO2023158493A1 (en) | 2022-02-16 | 2023-08-24 | Tc1 Llc | Real time heart rate monitoring for close loop control and/or artificial pulse synchronization of implantable ventricular assist devices |
| WO2023229899A1 (en) | 2022-05-26 | 2023-11-30 | Tc1 Llc | Tri-axis accelerometers for patient physiologic monitoring and closed loop control of implantable ventricular assist devices |
| WO2023235230A1 (en) | 2022-06-02 | 2023-12-07 | Tc1 Llc | Implanted connector booster sealing for implantable medical devices |
| WO2024050319A1 (en) | 2022-08-29 | 2024-03-07 | Tc1 Llc | Implantable electrical connector assembly |
| WO2024097236A1 (en) | 2022-11-01 | 2024-05-10 | Tc1 Llc | Assessment and management of adverse event risks in mechanical circulatory support patients |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649137A (en) * | 1970-11-30 | 1972-03-14 | Nikolaus Laing | Centrifugal pump with magnetic coupling |
| DE2908469A1 (de) | 1979-03-05 | 1980-09-11 | Fresenius Chem Pharm Ind | Verfahren und vorrichtung zur bestimmung der visko-elastischen eigenschaften von fluiden |
| US4779614A (en) | 1987-04-09 | 1988-10-25 | Nimbus Medical, Inc. | Magnetically suspended rotor axial flow blood pump |
| US4781525A (en) | 1987-07-17 | 1988-11-01 | Minnesota Mining And Manufacturing Company | Flow measurement system |
| JPH0676798B2 (ja) * | 1988-08-22 | 1994-09-28 | 株式会社荏原製作所 | 磁気軸受を備えた遠心ポンプ |
| US5036236A (en) * | 1990-05-07 | 1991-07-30 | Hughes Aircraft Company | Air gap matching proximity sensor for magnetic bearings |
| US5104284A (en) * | 1990-12-17 | 1992-04-14 | Dresser-Rand Company | Thrust compensating apparatus |
| US5350283A (en) * | 1991-12-04 | 1994-09-27 | Ntn Corporation | Clean pump |
| IL109967A (en) * | 1993-06-15 | 1997-07-13 | Multistack Int Ltd | Compressor |
| ES2138060T3 (es) | 1994-07-25 | 2000-01-01 | Sulzer Pumpen Ag | Bomba centrifuga con un dispositivo de elevacion. |
| US5725357A (en) | 1995-04-03 | 1998-03-10 | Ntn Corporation | Magnetically suspended type pump |
| JP4076581B2 (ja) * | 1995-04-03 | 2008-04-16 | レビトロニクス エルエルシー | 電磁式回転駆動装置を有する回転機器 |
| US6074180A (en) * | 1996-05-03 | 2000-06-13 | Medquest Products, Inc. | Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method |
| JP3776162B2 (ja) * | 1996-05-10 | 2006-05-17 | Ｎｔｎ株式会社 | 磁気浮上型血液ポンプ |
-
1999
- 1999-07-02 DE DE59915262T patent/DE59915262D1/de not_active Expired - Lifetime
- 1999-07-22 US US09/359,526 patent/US6634224B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US6634224B1 (en) | 2003-10-21 |
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