JP7707345B2 - 血液ポンプ及びリングシール - Google Patents
血液ポンプ及びリングシール Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
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- A—HUMAN NECESSITIES
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- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
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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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- 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
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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
- A61M60/165—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
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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
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/178—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular 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
- A61M60/20—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
- A61M60/20—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
-
- 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
- A61M60/833—Occluders for preventing backflow
-
- 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
- A61M60/857—Implantable blood tubes
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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
- A61M60/861—Connections or anchorings for connecting or anchoring pumps or pumping devices to parts of the patient's body
-
- 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
- A61M60/89—Valves
- A61M60/894—Passive valves, i.e. valves actuated by the blood
- A61M60/896—Passive valves, i.e. valves actuated by the blood having flexible or resilient parts, e.g. flap valves
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1052—Balloon catheters with special features or adapted for special applications for temporarily occluding a vessel for isolating a sector
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1061—Balloon catheters with special features or adapted for special applications having separate inflations tubes, e.g. coaxial tubes or tubes otherwise arranged apart from the catheter tube
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1084—Balloon catheters with special features or adapted for special applications having features for increasing the shape stability, the reproducibility or for limiting expansion, e.g. containments, wrapped around fibres, yarns or strands
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0266—Shape memory materials
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Public Health (AREA)
- Mechanical Engineering (AREA)
- Vascular Medicine (AREA)
- Transplantation (AREA)
- Child & Adolescent Psychology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- External Artificial Organs (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Prostheses (AREA)
Description
Claims (19)
- 患者の血管への経皮挿入のための血管内血液ポンプ(1)であって、カテーテル(100)と、前記カテーテル(100)に取り付けられたポンプ装置(2)とを含み、前記ポンプ装置(2)は、血液流入口(3)と、血液流出口(4)と、血液を前記血液流入口(3)から前記血液流出口(4)まで流れさせるための回転子(8)とを有し、前記血液ポンプは、
前記ポンプ装置(2)の前記血液流入口(3)と前記血液流出口(4)の間に配置され、つぶれた形態と膨らんだ形態とをとるように構成され、前記患者の血管の近位領域を前記血管の遠位領域から分離するように、前記血管に挿入されると前記膨らんだ形態で前記血管の内壁に接触し、前記内壁に接して封止するように構成された、リングシール(10)と、
支持部材(12、13)であって、所定の圧力差になるまで前記リングシール(10)を膨らんだ形態に維持するように構成され、同時に、前記リングシール(10)が100mmHg以上の圧力差において前記血管を閉塞しないように、前記血管の前記近位領域と前記遠位領域との間の前記所定の圧力差が超えられないように保証できる十分な柔軟性を有する支持部材(12、13)とを含む、ことを特徴とする血液ポンプ。 - 請求項1に記載の血液ポンプであって、前記リングシール(10)は、20mmHg以上の圧力差で前記血管を閉塞しない、ことを特徴とする血液ポンプ。
- 請求項1または2に記載の血液ポンプであって、前記支持部材(12、13)は機械的支持部材である、ことを特徴とする血液ポンプ。
- 請求項1から3のいずれか1項に記載の血液ポンプであって、前記リングシール(10)は可撓膜(11)を含む、ことを特徴とする血液ポンプ。
- 請求項4に記載の血液ポンプであって、前記リングシール(10)は、バルーンへの流体の供給と前記バルーンからの流体の除去とを可能にする膨張口を有する前記バルーンを形成する、ことを特徴とする血液ポンプ。
- 請求項5に記載の血液ポンプであって、前記膨張口は、前記バルーンに流体を供給することによって前記バルーンを膨らませ、前記バルーンから流体を除去することによって前記バルーンをしぼませることができるようにするために、流体線路(14)に接続されている、ことを特徴とする血液ポンプ。
- 請求項1から6のいずれか1項に記載の血液ポンプであって、前記支持部材(12、13)は少なくとも部分的に圧縮可能である、ことを特徴とする血液ポンプ。
- 請求項1から7のいずれか1項に記載の血液ポンプであって、前記支持部材(12、13)は、前記膨らんだ形態の方をとる傾向がある、ことを特徴とする血液ポンプ。
- 請求項1から8のいずれか1項に記載の血液ポンプであって、前記支持部材(12)は、フォームまたはスポンジを含む、ことを特徴とする血液ポンプ。
- 請求項1から9のいずれか1項に記載の血液ポンプであって、前記支持部材(13)は、少なくとも1本の弾性ワイヤを含む、ことを特徴とする血液ポンプ。
- 請求項10に記載の血液ポンプであって、前記少なくとも1本の弾性ワイヤは形状記憶材料からなる、ことを特徴とする血液ポンプ。
- 請求項11に記載の血液ポンプであって、前記形状記憶材料はニチノールである、ことを特徴とする血液ポンプ。
- 請求項1から12のいずれか1項に記載の血液ポンプであって、前記膨らんだ形態の前記リングシール(10)の外径は、約1cmから約2.5cmである、ことを特徴とする血液ポンプ。
- 請求項1から13のいずれか1項に記載の血液ポンプであって、前記リングシール(10)は、前記リングシール(10)の外周から延びる可撓遮蔽体(16)を含み、前記可撓遮蔽体(16)は、前記カテーテル(100)が前記血管に挿入され、前記リングシール(10)が前記膨らんだ形態であるときに、前記血管内壁に接触するように構成された、ことを特徴とする血液ポンプ。
- 請求項14に記載の血液ポンプであって、前記遮蔽体(16)は、前記リングシールに取り付けられた近位端と、前記血管内壁に接触するように構成された自由遠位端とを有する、ことを特徴とする血液ポンプ。
- 請求項14または15に記載の血液ポンプであって、前記遮蔽体(16)は、前記遮蔽体(16)を硬くするために流体を受けることによって膨張させられ、前記遮蔽体(16)を柔らかくするために前記流体を除去することによってしぼまされるように構成された少なくとも1つの流体受け溝を有する補強構造(17)を含む、ことを特徴とする血液ポンプ。
- 請求項1から16のいずれか1項に記載の血液ポンプであって、肺動脈に挿入されるように構成された、ことを特徴とする血液ポンプ。
- 患者の血管への経皮挿入のための血管内血液ポンプ(1)のポンプ装置(2)の血液流入口(3)と血液流出口(4)との間で前記ポンプ装置(2)に配置されるリングシール(10)であって、
前記リングシール(10)は、膨らんだ形態と、つぶれた形態とをとるように構成され、
前記リングシール(10)は、フォームを含む支持部材(12)を含み、前記フォームは、前記リングシールが膨らんだ形態になれるように、前記膨らんだ形態をとる傾向にあってよく、前記フォームは、前記リングシールが前記つぶれた形態になれるように、前記リングシールに真空またはその他の外力を加えることによって、圧縮可能である、ことを特徴とするリングシール。 - 患者の血管への経皮挿入のための血管内血液ポンプ(1)のポンプ装置(2)の血液流入口(3)と血液流出口(4)との間で前記ポンプ装置(2)に配置されるリングシール(10)であって、
前記リングシール(10)は、膨らんだ形態とつぶれた形態とをとるように構成され、
前記リングシール(10)は、少なくとも1本の弾性ワイヤを有する支持部材(13)を含み、前記少なくとも1本の弾性ワイヤは、前記リングシールが膨らんだ形態になれるように、前記リングシール内に前進して曲線形状となることができ、且つ、前記リングシールがしぼんだ形態になれるように、前記リングシールから引き出すことができる、ことを特徴とするリングシール。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025112206A JP2025129296A (ja) | 2017-05-04 | 2025-07-02 | リングシールおよび血管内血液ポンプ |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17169581.0A EP3398626B1 (en) | 2017-05-04 | 2017-05-04 | Intravascular blood pump with balloon |
| EP17169581.0 | 2017-05-04 | ||
| PCT/EP2018/061350 WO2018202776A1 (en) | 2017-05-04 | 2018-05-03 | Intravascular blood pump with balloon |
| JP2019560740A JP7082141B2 (ja) | 2017-05-04 | 2018-05-03 | バルーン付き血管内血液ポンプ |
| JP2022085716A JP7453276B2 (ja) | 2017-05-04 | 2022-05-26 | バルーン付き血管内血液ポンプ |
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| JP2022085716A Division JP7453276B2 (ja) | 2017-05-04 | 2022-05-26 | バルーン付き血管内血液ポンプ |
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| JP2025112206A Division JP2025129296A (ja) | 2017-05-04 | 2025-07-02 | リングシールおよび血管内血液ポンプ |
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| JP2024056025A JP2024056025A (ja) | 2024-04-19 |
| JP7707345B2 true JP7707345B2 (ja) | 2025-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2019560740A Active JP7082141B2 (ja) | 2017-05-04 | 2018-05-03 | バルーン付き血管内血液ポンプ |
| JP2022085716A Active JP7453276B2 (ja) | 2017-05-04 | 2022-05-26 | バルーン付き血管内血液ポンプ |
| JP2024034458A Active JP7707345B2 (ja) | 2017-05-04 | 2024-03-07 | 血液ポンプ及びリングシール |
| JP2025112206A Pending JP2025129296A (ja) | 2017-05-04 | 2025-07-02 | リングシールおよび血管内血液ポンプ |
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| JP2019560740A Active JP7082141B2 (ja) | 2017-05-04 | 2018-05-03 | バルーン付き血管内血液ポンプ |
| JP2022085716A Active JP7453276B2 (ja) | 2017-05-04 | 2022-05-26 | バルーン付き血管内血液ポンプ |
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|---|---|
| US (4) | US11517726B2 (ja) |
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