JP2012512363A - オフセットされたボリュートを備えた渦巻きポンプ - Google Patents
オフセットされたボリュートを備えた渦巻きポンプ Download PDFInfo
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- JP2012512363A JP2012512363A JP2011542258A JP2011542258A JP2012512363A JP 2012512363 A JP2012512363 A JP 2012512363A JP 2011542258 A JP2011542258 A JP 2011542258A JP 2011542258 A JP2011542258 A JP 2011542258A JP 2012512363 A JP2012512363 A JP 2012512363A
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- impeller
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/428—Discharge tongues
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
- A61M60/226—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly radial components
- A61M60/232—Centrifugal pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/419—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/422—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/804—Impellers
- A61M60/806—Vanes or blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0673—Units comprising pumps and their driving means the pump being electrically driven the motor being of the inside-out type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/047—Bearings hydrostatic; hydrodynamic
- F04D29/0473—Bearings hydrostatic; hydrodynamic for radial pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/818—Bearings
- A61M60/824—Hydrodynamic or fluid film bearings
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【選択図】図1
Description
ペラ平面は、図2において“P”で示されている。永久磁石42がロータ36の壁部内で環状アレイ内に配置されている。環状アレイの羽根を含んだセカンダリ(二次)インペラ44は、ロータ36の第2端部40に配置されている。ロータ36とステータ32は、従来式にケーブル34を通じたステータ32への変動電流の適用を通してブラシレスDCモータとして機能する。
Claims (14)
- ポンプであって、
(a)第1端と第2端とを有した長形ポンプハウジングと、
(b)1軸周囲で回転するように前記長形ハウジング内に配置されており、それら外側先端部が共にインペラ平面を形成している複数の羽根を含んでいるプライマリインペラと、
(c)前記プライマリインペラと通流状態に設置されているインレットと、
(d)前記プライマリインペラおよびアウトレットと連絡状態であり、前記インペラ平面とは、軸方向にオフセットされている環状ボリュートハウジングと、
を含んでいることを特徴とするポンプ。 - プライマリインペラは、略円筒形ロータの第1端部に取り付けられていることを特徴とする請求項1記載のポンプ。
- 前記ロータの第2端部に取り付けられているセカンダリインペラをさらに含んでいることを特徴とする請求項2記載のポンプ。
- 前記ロータは、ポンプハウジング内に設けられたステータハウジング周囲に設置されていることを特徴とする請求項2記載のポンプ。
- (a)電気ステータのコイル巻部は、ステータハウジング内に収容されており、
(b)前記ロータは、少なくとも1つの磁石を内在させている、
ことを特徴とする請求項4記載のポンプ。 - ステータハウジングは、その1端に錐形面を含んでおり、プライマリインペラは、該錐形面と前記インレットとの間に配置されていることを特徴とする請求項4記載のポンプ。
- ボリュートハウジングは、インペラ平面とポンプハウジングの前記第2端との間の略中央に配置されていることを特徴とする請求項1記載のポンプ。
- 心臓補助装置であって、
(a)第1端と第2端とを有した長形ポンプハウジングと、
(b)1軸周囲で回転するように前記長形ハウジング内に配置されており、インペラ平面を形成しているプライマリインペラと、
(c)前記プライマリインペラと通流状態に設置されているインレットと、
(d)前記プライマリインペラおよびアウトレットと連絡状態であり、前記インペラ平面とは、軸方向に離れている環状ボリュートハウジングと、
を含んでおり、前記長形ハウジング、前記プライマリインペラ、前記インレットおよび前記ボリュートハウジングは、生物学的適合材料で製作されていることを特徴とする心臓補助装置。 - プライマリインペラは、略円筒形ロータの第1端部に取り付けられていることを特徴とする請求項8記載の心臓補助装置。
- 前記ロータの第2端部に取り付けられているセカンダリインペラをさらに含んでいることを特徴とする請求項9記載の心臓補助装置。
- 前記ロータは、ポンプハウジング内に設けられたステータは、ハウジング周囲に設置されていることを特徴とする請求項9記載の心臓補助装置。
- (a)電気ステータのコイル巻部は、ステータハウジング内に収容されており、
(b)前記ロータは、少なくとも1つの磁石を内在させている、
ことを特徴とする請求項11記載の心臓補助装置。 - ステータハウジングは、その一端に錐形面を含んでおり、プライマリインペラは、該錐形面と前記インレットとの間に配置されていることを特徴とする請求項11記載の心臓補助装置。
- ボリュートハウジングは、インペラ平面とポンプハウジングの前記第2端との間の略中央に配置されていることを特徴とする請求項8記載の心臓補助装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/336,283 | 2008-12-16 | ||
US12/336,283 US8517699B2 (en) | 2008-12-16 | 2008-12-16 | Centrifugal pump with offset volute |
PCT/US2009/067427 WO2010074979A1 (en) | 2008-12-16 | 2009-12-10 | Centrifugal pump with offset volute |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012512363A true JP2012512363A (ja) | 2012-05-31 |
JP5653932B2 JP5653932B2 (ja) | 2015-01-14 |
Family
ID=42240765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011542258A Expired - Fee Related JP5653932B2 (ja) | 2008-12-16 | 2009-12-10 | オフセットされたボリュートを備えた渦巻きポンプ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8517699B2 (ja) |
EP (1) | EP2359007B1 (ja) |
JP (1) | JP5653932B2 (ja) |
CN (1) | CN102257279B (ja) |
BR (1) | BRPI0922907A2 (ja) |
WO (1) | WO2010074979A1 (ja) |
Families Citing this family (36)
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US9782527B2 (en) | 2009-05-27 | 2017-10-10 | Tc1 Llc | Monitoring of redundant conductors |
US8562508B2 (en) | 2009-12-30 | 2013-10-22 | Thoratec Corporation | Mobility-enhancing blood pump system |
AU2011270999B2 (en) | 2010-06-22 | 2015-11-12 | Tc1 Llc | Apparatus and method for modifying pressure-flow characteristics of a pump |
WO2012012552A1 (en) | 2010-07-22 | 2012-01-26 | Thoratec Corporation | Controlling implanted blood pumps |
USD669585S1 (en) * | 2010-08-20 | 2012-10-23 | Thoratec Corporation | Implantable blood pump |
WO2012024493A1 (en) | 2010-08-20 | 2012-02-23 | Thoratec Corporation | Implantable blood pump |
EP3299045B1 (en) | 2010-09-24 | 2020-12-30 | Tc1 Llc | Generating artificial pulse |
DE112012004282T5 (de) | 2011-10-13 | 2014-07-03 | Thoratec Corporation | Pumpe und verfahren zum halbaxialpumpen von blut |
US9827357B2 (en) * | 2011-12-03 | 2017-11-28 | Indiana University Research And Technology Corporation | Cavopulmonary viscous impeller assist device and method |
EP2822614B1 (en) | 2012-03-05 | 2016-12-28 | Thoratec Corporation | Modular implantable medical pump |
EP2890417A4 (en) | 2012-08-31 | 2016-04-27 | Thoratec Corp | MOUNTING HALL EFFECT SENSOR IN IMPLANTABLE BLOOD PUMP |
WO2014036410A1 (en) | 2012-08-31 | 2014-03-06 | Thoratec Corporation | Start-up algorithm for an implantable blood pump |
WO2015160994A1 (en) | 2014-04-15 | 2015-10-22 | Thoratec Corporation | Methods and systems for upgrading ventricle assist devices |
US9786150B2 (en) | 2014-04-15 | 2017-10-10 | Tci Llc | Methods and systems for providing battery feedback to patient |
US9744280B2 (en) | 2014-04-15 | 2017-08-29 | Tc1 Llc | Methods for LVAD operation during communication losses |
US9849224B2 (en) | 2014-04-15 | 2017-12-26 | Tc1 Llc | Ventricular assist devices |
EP3131596B1 (en) | 2014-04-15 | 2020-07-22 | Tc1 Llc | Methods and systems for controlling a blood pump |
CN103977464B (zh) * | 2014-06-06 | 2016-08-17 | 清华大学 | 一种出口处渐变流动区域的可植入微型轴流血泵 |
EP3223880A4 (en) | 2014-11-26 | 2018-07-18 | Tc1 Llc | Pump and method for mixed flow blood pumping |
EP3313471A4 (en) | 2015-06-29 | 2019-02-20 | Tc1 Llc | HEART CHAMBER ASSISTANCE DEVICES WITH A HOLLOWED ROTOR AND METHOD OF USE |
WO2017015210A1 (en) | 2015-07-20 | 2017-01-26 | Thoratec Corporation | Strain gauge for flow estimation |
EP3325035B1 (en) | 2015-07-20 | 2020-12-16 | Tc1 Llc | Flow estimation using hall-effect sensors |
WO2017075322A1 (en) | 2015-10-29 | 2017-05-04 | The Cleveland Clinic Foundation | Ventricular assist device with pulse augmentation and automatic regurgitant flow shutoff |
EP3165242B1 (en) * | 2015-11-05 | 2019-05-15 | ReinHeart GmbH | Fluid pump with volute shaped housing |
EP3222301B1 (en) * | 2016-03-23 | 2018-05-09 | Abiomed Europe GmbH | Blood pump |
WO2018017716A1 (en) | 2016-07-21 | 2018-01-25 | Tc1 Llc | Rotary seal for cantilevered rotor pump and methods for axial flow blood pumping |
US10660998B2 (en) | 2016-08-12 | 2020-05-26 | Tci Llc | Devices and methods for monitoring bearing and seal performance |
CN109862925B (zh) * | 2016-10-28 | 2021-09-24 | 心脏器械股份有限公司 | 单件式蜗壳 |
CN107050543B (zh) * | 2017-05-04 | 2023-07-04 | 浙江理工大学 | 一种具有自调节叶片的微小型离心血液泵 |
EP3634528B1 (en) | 2017-06-07 | 2023-06-07 | Shifamed Holdings, LLC | Intravascular fluid movement devices, systems, and methods of use |
CN111556763B (zh) | 2017-11-13 | 2023-09-01 | 施菲姆德控股有限责任公司 | 血管内流体运动装置、*** |
US10973967B2 (en) | 2018-01-10 | 2021-04-13 | Tc1 Llc | Bearingless implantable blood pump |
CN117959583A (zh) | 2018-02-01 | 2024-05-03 | 施菲姆德控股有限责任公司 | 血管内血泵以及使用和制造方法 |
WO2021011473A1 (en) | 2019-07-12 | 2021-01-21 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
US11654275B2 (en) | 2019-07-22 | 2023-05-23 | Shifamed Holdings, Llc | Intravascular blood pumps with struts and methods of use and manufacture |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02305358A (ja) * | 1989-05-19 | 1990-12-18 | Vickers Inc | 燃料ポンプ |
JP2003531653A (ja) * | 2000-03-27 | 2003-10-28 | ザ・クリーブランド・クリニック・ファンデーション | 心室補助システムの二次インペラ |
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-
2008
- 2008-12-16 US US12/336,283 patent/US8517699B2/en active Active
-
2009
- 2009-12-10 EP EP09835522.5A patent/EP2359007B1/en not_active Not-in-force
- 2009-12-10 CN CN200980150952.9A patent/CN102257279B/zh not_active Expired - Fee Related
- 2009-12-10 WO PCT/US2009/067427 patent/WO2010074979A1/en active Application Filing
- 2009-12-10 JP JP2011542258A patent/JP5653932B2/ja not_active Expired - Fee Related
- 2009-12-10 BR BRPI0922907A patent/BRPI0922907A2/pt not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02305358A (ja) * | 1989-05-19 | 1990-12-18 | Vickers Inc | 燃料ポンプ |
JP2003531653A (ja) * | 2000-03-27 | 2003-10-28 | ザ・クリーブランド・クリニック・ファンデーション | 心室補助システムの二次インペラ |
Also Published As
Publication number | Publication date |
---|---|
EP2359007A4 (en) | 2015-03-04 |
EP2359007B1 (en) | 2019-03-13 |
US20100150749A1 (en) | 2010-06-17 |
JP5653932B2 (ja) | 2015-01-14 |
CN102257279B (zh) | 2016-03-23 |
WO2010074979A1 (en) | 2010-07-01 |
EP2359007A1 (en) | 2011-08-24 |
CN102257279A (zh) | 2011-11-23 |
BRPI0922907A2 (pt) | 2018-05-29 |
US8517699B2 (en) | 2013-08-27 |
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