JP7137240B2 - 人工心臓に用いられる渦巻きポンプヘッド、人工心臓ポンプ及びecmo装置 - Google Patents
人工心臓に用いられる渦巻きポンプヘッド、人工心臓ポンプ及びecmo装置 Download PDFInfo
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- 238000002618 extracorporeal membrane oxygenation Methods 0.000 title claims description 14
- 210000004369 blood Anatomy 0.000 claims description 52
- 239000008280 blood Substances 0.000 claims description 52
- 230000017531 blood circulation Effects 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 6
- 210000000601 blood cell Anatomy 0.000 description 10
- 230000006378 damage Effects 0.000 description 10
- 208000007536 Thrombosis Diseases 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 206010051093 Cardiopulmonary failure Diseases 0.000 description 1
- 208000028399 Critical Illness Diseases 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002297 emergency surgery Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- 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
- A61M60/30—Medical purposes thereof other than the enhancement of the cardiac output
- A61M60/36—Medical purposes thereof other than the enhancement of the cardiac output for specific blood treatment; for specific therapy
- A61M60/38—Blood oxygenation
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1698—Blood oxygenators with or without heat-exchangers
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3666—Cardiac or cardiopulmonary bypass, e.g. heart-lung machines
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- 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
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
-
- 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
-
- 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
- A61M60/221—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having both radial and axial components, e.g. mixed flow 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
- A61M60/80—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
- A61M60/80—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
-
- 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
- A61M60/814—Volutes
-
- 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
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- 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
- F04D29/043—Shafts
-
- 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
- F04D29/24—Vanes
-
- 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
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- 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
- F04D7/045—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 with means for comminuting, mixing stirring or otherwise treating
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Medicine (AREA)
- Vascular Medicine (AREA)
- Urology & Nephrology (AREA)
- Pulmonology (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
ポンプヘッドは、血液入口及び血液出口を含む渦巻きハウジングが含まれる。前記渦巻きハウジングは、その中心に固定軸を有し、前記固定軸に磁気体を周設し、開口の構成とされるテーパ羽根車を前記磁気体の外側に取り付け、前記磁気体は、回転すると、前記テーパ羽根車が回転するように連動し、前記固定軸と前記磁気体との間に第一隙間を設置し、前記磁気体により前記テーパ羽根車が回転するように連動すると、一部の血液が前記第一隙間を介して上向きに流動することになり、前記テーパ羽根車が血液に浮遊する。
理解すべきところは、大体に上記したものとこれからの詳しい説明とは、いずれも、例示的な説明および解釈に過ぎず、本発明の保護しようとする範囲を制限するものではない。
Claims (10)
- 人工心臓に用いられる渦巻きポンプヘッドであって、
前記ポンプヘッドは、血液入口と血液出口とを含む渦巻きハウジングを含み、
前記渦巻きハウジングには、その中心に固定軸を有し、前記固定軸に磁気体を周設し、前記磁気体の外側に開口構成とされたテーパ羽根車を取り付け、前記磁気体は、回転すると、前記テーパ羽根車が回転するように連動し、
前記固定軸と前記磁気体との間に第一隙間を有し、前記磁気体により前記テーパ羽根車が回転するように連動すると、一部の血液が前記第一隙間を介して上向きに流れ、前記テーパ羽根車が血液に浮遊し、
前記テーパ羽根車の外側には、互いの間に間隔があいている第一羽根と第二羽根とを含む複数の羽根を設置し、前記第一羽根の先端部は、開口が下向きする第一皿部構造により接続され、
前記固定軸の端部は、開口の上向きする第二皿部の構造とされ、前記第一皿部構造と第二皿部構造との間に球体を噛み込み、磁気体によりテーパ羽根車が回転するように連動すると、前記球体と前記第一皿部構造及び第二皿部構造との間に第二隙間を有し、血液が前記第二隙間に充填する、
ことを特徴とする、人工心臓に用いられる渦巻きポンプヘッド。 - 人工心臓に用いられる渦巻きポンプヘッドであって、
前記ポンプヘッドは、血液入口と血液出口とを含む渦巻きハウジングを含み、
前記渦巻きハウジングには、その中心に固定軸を有し、前記固定軸に磁気体を周設し、前記磁気体の外側に開口構成とされたテーパ羽根車を取り付け、前記磁気体は、回転すると、前記テーパ羽根車が回転するように連動し、
前記固定軸と前記磁気体との間に第一隙間を有し、前記磁気体により前記テーパ羽根車が回転するように連動すると、一部の血液が前記第一隙間を介して上向きに流れ、前記テーパ羽根車が血液に浮遊し、
前記磁気体は、中空とされた取り付け軸を含み、前記取り付け軸の底部に環状のホイール構造体を有し、前記環状のホイール構造体の直径が前記テーパ羽根車の底部の開口直径と同じである、ことを特徴とする、人工心臓に用いられる渦巻きポンプヘッド。 - 前記テーパ羽根車の外側には、互いの間に間隔があいている第一羽根と第二羽根とを含む複数の羽根を設置し、前記第一羽根の先端部は、開口が下向きする第一皿部構造により接続され、
前記固定軸の端部は、開口の上向きする第二皿部の構造とされ、前記第一皿部構造と第二皿部構造との間に球体を噛み込み、磁気体によりテーパ羽根車が回転するように連動すると、前記球体と前記第一皿部構造及び第二皿部構造との間に第二隙間を有し、血液が前記第二隙間に充填する、ことを特徴とする、請求項2に記載の人工心臓に用いられる渦巻きポンプヘッド。 - 前記第一羽根と第二羽根とは、同一側に一定の角度だけ傾斜し、前記固定軸の前記中心から測られる半径位置における前記第一羽根の上端が、前記半径位置における前記第二羽根の上端よりも上方に位置するように、前記第一羽根の高さが第二羽根の高さよりも大きい、ことを特徴とする、請求項1又は3に記載の人工心臓に用いられる渦巻きポンプヘッド。
- 前記環状のホイール構造体は、その表面に間隔を置いて、複数の取り付け槽を設置し、前記取り付け槽内に磁気体を取り付けている、ことを特徴とする、請求項2に記載の人工心臓に用いられる渦巻きポンプヘッド。
- 前記取り付け軸の外側直径は、テーパ羽根車の先端部の開口直径と同じである、ことを特徴とする、請求項2に記載の人工心臓に用いられる渦巻きポンプヘッド。
- 前記球体は、セラミックボールとされる、ことを特徴とする、請求項1又は3に記載の人工心臓に用いられる渦巻きポンプヘッド。
- 前記血液入口が渦巻きハウジングの平面と垂直し、前記血液出口が前記渦巻きハウジングの平面と接する、ことを特徴とする、請求項1又は2に記載の人工心臓に用いられる渦巻きポンプヘッド。
- 請求項1から8のいずれか一つに記載の人工心臓に用いられる渦巻きポンプヘッドを含む、ことを特徴とする、人工心臓ポンプ。
- 請求項9に記載の人工心臓ポンプを含む、ことを特徴とする、ECMO装置。
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EP21151831.1A EP3854447A1 (en) | 2020-01-21 | 2021-01-15 | Centrifugal blood pump |
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DE102020117818A1 (de) * | 2020-07-07 | 2022-01-13 | Resuscitec Gmbh | Blutpumpe |
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CN112516454B (zh) * | 2020-11-26 | 2024-04-09 | 深圳汉诺医疗科技有限公司 | 一种磁悬浮人工心脏泵 |
CN112546423B (zh) * | 2020-12-02 | 2024-08-23 | 深圳汉诺医疗科技有限公司 | 一种体外膜肺氧合泵驱动装置 |
CN112915293B (zh) * | 2021-01-22 | 2022-09-23 | 深圳汉诺医疗科技有限公司 | 用于体外膜肺氧合的离心泵泵头及设备 |
JPWO2022185961A1 (ja) * | 2021-03-04 | 2022-09-09 | ||
WO2022203634A1 (en) * | 2021-03-25 | 2022-09-29 | Dokuz Eylul Universitesi Rektorlugu | Centrifugal blood pump head that constitutes the propelling force of an aspiration device |
CN113446259A (zh) * | 2021-07-14 | 2021-09-28 | 卡迪美科(北京)生物科技有限公司 | 医用离心泵头 |
CN113730795A (zh) * | 2021-10-08 | 2021-12-03 | 卡迪美科(北京)生物科技有限公司 | 医用离心泵 |
CN114099940B (zh) * | 2021-11-25 | 2023-05-02 | 山东大学 | 一种混流式血泵以及体外循环辅助系统 |
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US11801377B2 (en) | 2023-10-31 |
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JP2021115461A (ja) | 2021-08-10 |
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