KR20200057734A - 혈액 펌프 - Google Patents
혈액 펌프 Download PDFInfo
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- KR20200057734A KR20200057734A KR1020207011238A KR20207011238A KR20200057734A KR 20200057734 A KR20200057734 A KR 20200057734A KR 1020207011238 A KR1020207011238 A KR 1020207011238A KR 20207011238 A KR20207011238 A KR 20207011238A KR 20200057734 A KR20200057734 A KR 20200057734A
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- A61M1/125—
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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
- A61M60/40—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
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- A—HUMAN NECESSITIES
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- 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
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- A61M1/1031—
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- A61M1/1036—
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- A—HUMAN NECESSITIES
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- 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
- A61M60/13—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 by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
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- 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
- A61M60/135—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 inside a blood vessel, e.g. using grafting
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- A—HUMAN NECESSITIES
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- 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
- A61M60/135—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 inside a blood vessel, e.g. using grafting
- A61M60/139—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 inside a blood vessel, e.g. using grafting inside the aorta, e.g. intra-aortic balloon pumps
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- A—HUMAN NECESSITIES
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- 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
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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
- A61M60/20—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
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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
- A61M60/20—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
- A61M60/237—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 axial components, e.g. axial flow pumps
- A61M60/242—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 axial components, e.g. axial flow pumps with the outlet substantially perpendicular to the axis of rotation
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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
- A61M60/50—Details relating to control
- A61M60/508—Electronic control means, e.g. for feedback regulation
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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
- A61M60/80—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
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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
- A61M60/80—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
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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
- A61M60/80—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
- A61M60/82—Magnetic bearings
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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
- A61M60/80—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
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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
- A61M60/80—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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- 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
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/865—Devices for guiding or inserting pumps or pumping devices into the patient's body
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- Mechanical Engineering (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Transplantation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
도1은 본 발명에 따른 혈액 펌프의 단면도를 도시한다.
도2a는 도1의 혈액 펌프에 대한 세부사항을 도시한다.
도2b는 대안적 실시예에 따른 도2a와 동일한 도면을 도시한다.
도3은 구동 유닛의 포스트의 사시도를 도시한다.
도4a 내지 4d는 포스트의 또 다른 실시예에 대한 다른 도면을 도시한다.
도5는 여섯 개의 포스트를 포함하는 배열을 도시한다.
도6은 백 플레이트와 함께 도5의 배열을 도시한다.
도7은 코일 권선과 함께 도6의 배열을 도시한다.
도8은 하우징과 함께 도7의 배열을 도시한다.
도9a 내지 9c는 백 플레이트의 다른 도면을 도시한다.
도 10a 내지 10c는 임펠러의 자석의 다른 도면을 도시한다.
도11은 구동 유닛의 또 다른 실시예를 도시한다.
도12는 혈액 펌프의 또 다른 실시예를 도시한다.
도13a 및 도13b는 또 다른 실시예에 따른 구동 유닛 및 임펠러 자석에 대한 다른 도면을 도시한다.
도14a 및 14b는 임펠러의 자석 간 자기장선을 개략적으로 도시한다.
도15는 또 다른 실시예에 따른 구동 유닛과 임펠러 자석의 단면도를 도시한다.
도16은 구동 유닛의 작동 모드를 개략적으로 도시한다.
도17은 구동 유닛의 또 다른 실시예를 도시한다.
도18은 도17의 구동 유닛의 백플레이트를 도시한다.
도19a는 도17의 구동 유닛의 포스트의 측면도를 도시한다.
도19b는 포스트의 또 다른 실시예를 도시한다.
도19c는 포스트의 또 다른 실시예의 사시도를 도시한다.
도19d는 포스트의 또 다른 실시예의 사시도롤 더 도시한다.
도20a 및 도20b는 자석이 다른 도17의 구동 유닛을 도시한다.
도21a 내지 도 21j는 다양한 실시예에 따른 포스트의 샤프트부를 통해 단면도를 도시한다.
Claims (15)
- 피부를 통해서 환자의 혈관에 삽입하기 위한 혈관내 혈액 펌프(1)로서,
혈류 입구(21) 및 혈류 출구(22)를 가지는 펌프 케이싱(pump casing)(2);
회전축(10) 주위를 회전하도록 상기 펌프 케이싱(2)에 배치된 임펠러(3) ― 상기 임펠러(3)는, 상기 혈류 입구(21)로부터 상기 혈류 출구(22)로 혈액을 운반하기 위한 크기 및 형상을 갖는 블레이드(31)을 구비함 ―; 및
상기 임펠러(3)를 회전시키는 구동 유닛(104) ― 상기 구동 유닛(104)은 상기 회전축(10) 주위에 배치된 복수의 포스트(140)를 포함함 ― 를 포함하되,
각각의 상기 포스트(post)(140)는 세로축을 가지고, 상기 세로축을 따라 연장되는 샤프트부(shaft portion)(141) 및 상기 임펠러(3)를 향하는 헤드부(142)를 포함하고, 각각의 상기 포스트(140)의 상기 샤프트부(141) 주위에는 코일 권선(47) ― 상기 코일 권선(47)은 회전 자기장을 생성하도록 순차적으로 제어 가능함 ― 이 배치되며, 상기 임펠러(3)는, 상기 임펠러(3)를 회전시키기 위해, 상기 회전 자기장과 상호 작용하도록 배치된 적어도 하나의 자석(132)을 포함하고, 각각의 상기 포스트(140)의 상기 샤프트부(141)는, 각각의 상기 포스트(140)의 상기 세로축을 가로지르는 단면에서 불연속적인 연 자성 재료를 포함하는,
혈관내 혈액 펌프(1). - 제 1항에 있어서,
상기 연 자성 재료는 복수의 시트(171), 바람직하게는 전기강판의 형태로 제공되는 혈액 펌프. - 제 2항에 있어서,
상기 시트(171)는 서로 전기적으로 절연된(172) 혈액 펌프. - 제3항에 있어서,
상기 시트(171)는 절연층(172)에 의해 서로 전기적으로 절연되되, 각 절연층(172)은 약 1 μm 내지 약 50 μm 의 두께를 갖는 혈액 펌프. - 제2항 또는 제4항에 있어서,
상기 시트(171)는 각각의 상기 포스트(40)의 상기 세로축에 평행하게 연장되는 혈액 펌프. - 제2항 내지 제5항 중 어느 한 항에 있어서,
상기 시트(171)는 약 25 μm 내지 약 350 μm, 바람직하게는 약 50 μm 내지 약 200 μm 의 두께를 갖는 혈액 펌프. - 제2항 내지 제6항 중 어느 한 항에 있어서,
상기 복수의 시트(171)는 한 더미의 시트를 형성하되, 상기 시트(171)의 두께는 상기 더미의 중심으로부터 상기 더미의 가장 바깥쪽 시트 쪽으로 감소하는 혈액 펌프. - 제1항에 있어서,
상기 연 자성 재료는 서로 전기적으로 절연되는(182), 연 자성 재료의 복수의 와이어(181) 형태로 제공되는 혈액 펌프. - 제1항 내지 제8항 중 어느 한 항에 있어서,
상기 구동 유닛(104)은, 상기 포스트(140)의 상기 샤프트부(141)의 단부(144) - 상기 단부(144)는 상기 헤드부(142)와 서로 반대편에 위치함 - 와 맞물리는 백 플레이트(back plate)(150)를 더 포함하는 혈액 펌프. - 제9항에 있어서,
상기 백 플레이트(150)는 각각의 상기 포스트(140)의 상기 세로축에 평행한 단면에서 불연속적인 연 자성 재료를 포함하는 혈액 펌프. - 제8항 내지 제10항 중 어느 한 항에 있어서,
상기 연 자성 재료는 복수의 시트(173, 175), 바람직하게는 전기강판의 형태로 제공되는 혈액 펌프. - 제11항에 있어서,
상기 시트(173, 175)는 서로 전기적으로 절연된(174, 176) 혈액 펌프. - 제12항에 있어서,
상기 시트(173, 175)는 상기 회전축에 횡방향으로 연장되는 혈액 펌프. - 제11항 내지 제13항 중 어느 한 항에 있어서,
상기 시트(173, 175)는 약 25 μm 내지 약 350 μm, 바람직하게는 약 50 μm 내지 약 200 μm의 두께를 갖는 혈액 펌프. - 제1항 내지 제14항 중 어느 한 항에 있어서,
상기 혈액 펌프는 축형(axial type)인 혈액 펌프.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020237044221A KR102792217B1 (ko) | 2017-09-19 | 2018-09-14 | 혈액 펌프 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17191940.0 | 2017-09-19 | ||
| EP17191940.0A EP3456367A1 (en) | 2017-09-19 | 2017-09-19 | Blood pump |
| PCT/EP2018/074929 WO2019057636A1 (en) | 2017-09-19 | 2018-09-14 | BLOOD PUMP |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020237044221A Division KR102792217B1 (ko) | 2017-09-19 | 2018-09-14 | 혈액 펌프 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200057734A true KR20200057734A (ko) | 2020-05-26 |
| KR102618057B1 KR102618057B1 (ko) | 2023-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020207011238A Active KR102618057B1 (ko) | 2017-09-19 | 2018-09-14 | 혈액 펌프 |
| KR1020257010719A Pending KR20250051786A (ko) | 2017-09-19 | 2018-09-14 | 혈액 펌프 |
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| EP3456367A1 (en) * | 2017-09-19 | 2019-03-20 | Abiomed Europe GmbH | Blood pump |
| DE102018201030B4 (de) | 2018-01-24 | 2025-10-16 | Kardion Gmbh | Magnetkuppelelement mit magnetischer Lagerungsfunktion |
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| DE102018207594A1 (de) | 2018-05-16 | 2019-11-21 | Kardion Gmbh | Rotor, Magnetkupplungsvorrichtung, Elektromotor für ein Herzunterstützungssystem, Pumpeneinheit für ein Herzunterstützungssystem sowie Verfahren zum Herstellen eines Rotors |
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| DE102018207575A1 (de) | 2018-05-16 | 2019-11-21 | Kardion Gmbh | Magnetische Stirndreh-Kupplung zur Übertragung von Drehmomenten |
| DE102018208541A1 (de) | 2018-05-30 | 2019-12-05 | Kardion Gmbh | Axialpumpe für ein Herzunterstützungssystem und Verfahren zum Herstellen einer Axialpumpe für ein Herzunterstützungssystem |
| DE102018208539A1 (de) | 2018-05-30 | 2019-12-05 | Kardion Gmbh | Motorgehäusemodul zum Abdichten eines Motorraums eines Motors eines Herzunterstützungssystems und Herzunterstützungssystem und Verfahren zum Montieren eines Herzunterstützungssystems |
| DE102018208550A1 (de) | 2018-05-30 | 2019-12-05 | Kardion Gmbh | Leitungsvorrichtung zum Leiten eines Blutstroms für ein Herzunterstützungssystem, Herzunterstützungssystem und Verfahren zum Herstellen einer Leitungsvorrichtung |
| DE102018208549A1 (de) | 2018-05-30 | 2019-12-05 | Kardion Gmbh | Elektronikmodul für ein Herzunterstützungssystem und Verfahren zum Herstellen eines Elektronikmoduls für ein Herzunterstützungssystem |
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2018
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- 2018-09-14 IL IL273154A patent/IL273154B2/en unknown
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- 2018-09-14 EP EP18769706.5A patent/EP3684439B1/en active Active
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