JP2022502174A - 密封型マイクロポンプ - Google Patents
密封型マイクロポンプ Download PDFInfo
- Publication number
- JP2022502174A JP2022502174A JP2021517195A JP2021517195A JP2022502174A JP 2022502174 A JP2022502174 A JP 2022502174A JP 2021517195 A JP2021517195 A JP 2021517195A JP 2021517195 A JP2021517195 A JP 2021517195A JP 2022502174 A JP2022502174 A JP 2022502174A
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- micropump
- sealed
- bearing
- pin
- 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.)
- Pending
Links
- 241000239290 Araneae Species 0.000 claims abstract description 41
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000008280 blood Substances 0.000 claims description 18
- 210000004369 blood Anatomy 0.000 claims description 18
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 9
- 229920002530 polyetherether ketone Polymers 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000002861 ventricular Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract 1
- 239000000306 component Substances 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 206010019280 Heart failures Diseases 0.000 description 2
- 210000000709 aorta Anatomy 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000005240 left ventricle Anatomy 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012503 blood component Substances 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013070 direct material Substances 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- NMJKIRUDPFBRHW-UHFFFAOYSA-N titanium Chemical compound [Ti].[Ti] NMJKIRUDPFBRHW-UHFFFAOYSA-N 0.000 description 1
Images
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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid 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
-
- 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
-
- 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
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/17—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps
- A61M60/174—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps discharging the blood to the ventricle or arterial system via a cannula internal to the ventricle or arterial system
-
- 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
-
- 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
- A61M60/408—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
- A61M60/411—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor
- A61M60/416—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor transmitted directly by the motor rotor drive shaft
-
- 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
- A61M60/81—Pump housings
-
- 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
-
- 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
- A61M60/825—Contact bearings, e.g. ball-and-cup or pivot bearings
-
- 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
- A61M60/827—Sealings between moving parts
-
- 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
- F04D13/0606—Canned motor pumps
- F04D13/0633—Details of the bearings
-
- 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
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal 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
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
Abstract
Description
Claims (12)
- マイクロポンプのハウジング(115)内に流体流を生成するための一体型モータおよび少なくとも一つのインペラ(119)を含む密封型マイクロポンプ(100)であって、前記インペラ(119)が、前記ハウジング(115)内の前記インペラ(119)のインペラピン(1190)を支持するためのスパイダーベアリング(117、1170)を備えるラジアルスライドベアリング(116)を含み、前記インペラピン(1190)が前記スパイダーベアリング(117、1170)とは異なる材料から作製された覆い(118)を有することを特徴とする、密封型マイクロポンプ。
- 前記インペラピン(1190)および前記スパイダーベアリング(117、1170)の両方が金属材料から成り、前記インペラピン(1190)の前記覆い(118)がプラスチックから成ることを特徴とする、請求項1に記載の密封型マイクロポンプ。
- 前記インペラピン(1190)および前記スパイダーベアリング(117、1170)がチタンから成り、前記インペラピン(1190)の前記覆い(118)がポリエーテルエーテルケトンから成ることを特徴とする、請求項1または2に記載の密封型マイクロポンプ。
- 前記インペラピン(1190)が、前記覆い(118)の領域で先細になることを特徴とする、請求項1〜3のいずれか一項に記載の密封型マイクロポンプ。
- 前記インペラピン(1190)の前記覆い(118)がコーティングであることを特徴とする、請求項1〜4のいずれか一項に記載の密封型マイクロポンプ。
- 前記インペラピン(1190)の前記覆い(118)がスリーブであることを特徴とする、請求項1〜4のいずれか一項に記載の密封型マイクロポンプ。
- 前記インペラピン(1190)の前記覆い(118)が、前記スパイダーベアリング(117)を超えて延長部を含むキャップ(1180)を形成することを特徴とする、請求項1〜4のいずれか一項に記載の密封型マイクロポンプ。
- 前記キャップ(1180)が先細であることを特徴とする、請求項7に記載の密封型マイクロポンプ。
- 前記キャップ(1180)が、円錐形または半楕円形であることを特徴とする、請求項7または請求項8に記載の密封型マイクロポンプ。
- 前記マイクロポンプ(100)が血液ポンプであることを特徴とする、請求項1〜9のいずれか一項に記載の密封型マイクロポンプ。
- 前記密封型マイクロポンプ(100)が、補助人工心臓システムの構成要素であることを特徴とする、請求項1〜10のいずれか一項に記載の密封型マイクロポンプ。
- 前記密封型マイクロポンプ(100)の外径が10mm以下であることを特徴とする、請求項1〜11のいずれか一項に記載の密封型マイクロポンプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018216695.1 | 2018-09-28 | ||
DE102018216695.1A DE102018216695A1 (de) | 2018-09-28 | 2018-09-28 | Gekapselte Mikropumpe |
PCT/EP2019/076002 WO2020064911A1 (de) | 2018-09-28 | 2019-09-26 | Gekapselte mikropumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022502174A true JP2022502174A (ja) | 2022-01-11 |
JPWO2020064911A5 JPWO2020064911A5 (ja) | 2022-09-30 |
Family
ID=68165512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021517195A Pending JP2022502174A (ja) | 2018-09-28 | 2019-09-26 | 密封型マイクロポンプ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220241580A1 (ja) |
EP (1) | EP3856276B1 (ja) |
JP (1) | JP2022502174A (ja) |
DE (1) | DE102018216695A1 (ja) |
WO (1) | WO2020064911A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018201030A1 (de) | 2018-01-24 | 2019-07-25 | Kardion Gmbh | Magnetkuppelelement mit magnetischer Lagerungsfunktion |
DE102018211327A1 (de) | 2018-07-10 | 2020-01-16 | Kardion Gmbh | Laufrad für ein implantierbares, vaskuläres Unterstützungssystem |
EP3877014A1 (en) * | 2019-03-25 | 2021-09-15 | Boston Scientific Scimed Inc. | Mechanical circulatory support pump drive with corrosion protection |
DE102020102474A1 (de) * | 2020-01-31 | 2021-08-05 | Kardion Gmbh | Pumpe zum Fördern eines Fluids und Verfahren zum Herstellen einer Pumpe |
US20230364411A1 (en) | 2020-09-14 | 2023-11-16 | Kardion Gmbh | Cardiovascular support pump having an impeller with a variable flow area |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4846152A (en) * | 1987-11-24 | 1989-07-11 | Nimbus Medical, Inc. | Single-stage axial flow blood pump |
US6387125B1 (en) * | 1992-06-23 | 2002-05-14 | Sun Medical Technology Research Corporation | Auxiliary artificial heart of an embedded type |
GB0906642D0 (en) * | 2009-04-17 | 2009-06-03 | Calon Cardio Technology Ltd | Cardiac pump |
CA2872310A1 (en) | 2012-05-11 | 2013-11-14 | Heartware, Inc. | Silver motor stator for implantable blood pump |
US9446179B2 (en) * | 2012-05-14 | 2016-09-20 | Thoratec Corporation | Distal bearing support |
-
2018
- 2018-09-28 DE DE102018216695.1A patent/DE102018216695A1/de active Pending
-
2019
- 2019-09-26 US US17/274,585 patent/US20220241580A1/en active Pending
- 2019-09-26 WO PCT/EP2019/076002 patent/WO2020064911A1/de unknown
- 2019-09-26 EP EP19783453.4A patent/EP3856276B1/de active Active
- 2019-09-26 JP JP2021517195A patent/JP2022502174A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US20220241580A1 (en) | 2022-08-04 |
EP3856276A1 (de) | 2021-08-04 |
DE102018216695A1 (de) | 2020-04-02 |
EP3856276B1 (de) | 2024-02-21 |
WO2020064911A1 (de) | 2020-04-02 |
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