CN115279448A - 血泵 - Google Patents

血泵 Download PDF

Info

Publication number
CN115279448A
CN115279448A CN202080095443.7A CN202080095443A CN115279448A CN 115279448 A CN115279448 A CN 115279448A CN 202080095443 A CN202080095443 A CN 202080095443A CN 115279448 A CN115279448 A CN 115279448A
Authority
CN
China
Prior art keywords
impeller
blood flow
assistance system
blood
impeller shaft
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
Application number
CN202080095443.7A
Other languages
English (en)
Chinese (zh)
Inventor
R·G·厄尔斯
J·J·赫林
C·A·德斯特
O·贝纳维兹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procilion
Original Assignee
Procilion
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Procilion filed Critical Procilion
Publication of CN115279448A publication Critical patent/CN115279448A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • A61M60/135—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
    • 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
    • A61M60/13—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
    • 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
    • A61M60/20—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
    • 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
    • A61M60/20—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
    • A61M60/30—Medical purposes thereof other than the enhancement of the cardiac output
    • A61M60/31—Medical purposes thereof other than the enhancement of the cardiac output for enhancement of in vivo organ perfusion, e.g. retroperfusion
    • A61M60/33—Medical purposes thereof other than the enhancement of the cardiac output for enhancement of in vivo organ perfusion, e.g. retroperfusion of kidneys
    • 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
    • A61M60/414—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 by a rotating cable, e.g. for blood pumps mounted on a catheter
    • 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
    • A61M60/50—Details relating to control
    • A61M60/585—User interfaces
    • 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
    • A61M60/804—Impellers
    • A61M60/806—Vanes or blades
    • A61M60/808—Vanes or blades specially adapted for deformable impellers, e.g. expandable 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
    • A61M60/81—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
    • A61M60/82—Magnetic 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
    • A61M60/824—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
    • A61M60/855—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
    • A61M60/865—Devices for guiding or inserting pumps or pumping devices into the patient's body
    • 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
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/026—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
    • 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
    • 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/0467—Spherical 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
    • F04D29/18—Rotors
    • F04D29/181—Axial flow rotors
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/528—Casings; Connections of working fluid for axial pumps especially adapted for liquid 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/1075—Wedges, e.g. ramps or lobes, for generating pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/40—Alloys based on refractory metals
    • F16C2204/42—Alloys based on titanium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/60—Ferrous alloys, e.g. steel alloys
    • F16C2204/70—Ferrous alloys, e.g. steel alloys with chromium as the next major constituent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/36—Polyarylene ether ketones [PAEK], e.g. PEK, PEEK
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/76—Polyolefins, e.g. polyproylene [PP]
    • F16C2208/78—Polyethylene [PE], e.g. ultra-high molecular weight polyethylene [UHMWPE]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2316/00—Apparatus in health or amusement
    • F16C2316/10—Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
    • F16C2316/18—Pumps for pumping blood

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Cardiology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical & Material Sciences (AREA)
  • Transplantation (AREA)
  • Fluid Mechanics (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • Urology & Nephrology (AREA)
  • External Artificial Organs (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CN202080095443.7A 2019-12-03 2020-12-02 血泵 Pending CN115279448A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962943062P 2019-12-03 2019-12-03
US62/943,062 2019-12-03
US201962947940P 2019-12-13 2019-12-13
US62/947,940 2019-12-13
PCT/US2020/062928 WO2021113389A1 (en) 2019-12-03 2020-12-02 Blood pumps

Publications (1)

Publication Number Publication Date
CN115279448A true CN115279448A (zh) 2022-11-01

Family

ID=76221971

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080095443.7A Pending CN115279448A (zh) 2019-12-03 2020-12-02 血泵

Country Status (9)

Country Link
US (8) US12161854B2 (enExample)
EP (2) EP4069347B1 (enExample)
JP (2) JP7709438B2 (enExample)
CN (1) CN115279448A (enExample)
AU (1) AU2020396948B2 (enExample)
CA (1) CA3160442A1 (enExample)
ES (1) ES3073528T3 (enExample)
IL (1) IL293625A (enExample)
WO (1) WO2021113389A1 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115348880A (zh) * 2020-03-27 2022-11-15 阿比奥梅德欧洲股份有限公司 血液泵
CN116440404A (zh) * 2023-05-18 2023-07-18 苏州心岭迈德医疗科技有限公司 一种基于磁力驱动的封闭式微型泵
CN116650825A (zh) * 2023-06-06 2023-08-29 深圳核心医疗科技股份有限公司 血泵
CN116870356A (zh) * 2023-06-28 2023-10-13 安徽通灵仿生科技有限公司 一种导管泵组件及其控制系统
CN117728597A (zh) * 2023-12-06 2024-03-19 安徽通灵仿生科技有限公司 驱动机构及其血泵
WO2025214111A1 (zh) * 2024-04-10 2025-10-16 深圳核心医疗科技股份有限公司 血泵

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2959221T3 (es) 2015-09-25 2024-02-21 Procyrion Inc Bomba de sangre intravascular no oclusiva que proporciona hemólisis reducida
DE102018201030B4 (de) 2018-01-24 2025-10-16 Kardion Gmbh Magnetkuppelelement mit magnetischer Lagerungsfunktion
US12491356B2 (en) 2018-03-20 2025-12-09 Second Heart Assist, Inc. Circulatory assist pump
JP2021518249A (ja) 2018-03-20 2021-08-02 セカンド・ハート・アシスト・インコーポレイテッド 循環補助ポンプ
US11690997B2 (en) 2018-04-06 2023-07-04 Puzzle Medical Devices Inc. Mammalian body conduit intralumenal device and lumen wall anchor assembly, components thereof and methods of implantation and explanation thereof
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
DE102018207575A1 (de) 2018-05-16 2019-11-21 Kardion Gmbh Magnetische Stirndreh-Kupplung zur Übertragung von Drehmomenten
DE102018207611A1 (de) 2018-05-16 2019-11-21 Kardion Gmbh Rotorlagerungssystem
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
DE102018208549A1 (de) 2018-05-30 2019-12-05 Kardion Gmbh Elektronikmodul für ein Herzunterstützungssystem und Verfahren zum Herstellen eines Elektronikmoduls für ein Herzunterstützungssystem
DE102018208538A1 (de) 2018-05-30 2019-12-05 Kardion Gmbh Intravasale Blutpumpe und Verfahren zur Herstellung von elektrischen Leiterbahnen
DE102018208541A1 (de) 2018-05-30 2019-12-05 Kardion Gmbh Axialpumpe für ein Herzunterstützungssystem und Verfahren zum Herstellen einer Axialpumpe für ein Herzunterstützungssystem
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
DE102018208536A1 (de) 2018-05-30 2019-12-05 Kardion Gmbh Leitungsvorrichtung zum Leiten eines Blutstroms für ein Herzunterstützungssystem, Verfahren zum Herstellen einer Leitungsvorrichtung und Verfahren zum Montieren eines Herzunterstützungssystems
DE102018210058A1 (de) 2018-06-21 2019-12-24 Kardion Gmbh Statorschaufelvorrichtung zur Strömungsführung eines aus einer Austrittsöffnung eines Herzunterstützungssystems ausströmenden Fluids, Herzunterstützungssystem mit Statorschaufelvorrichtung, Verfahren zum Betreiben einer Statorschaufelvorrichtung und Herstellverfahren
DE102018210076A1 (de) 2018-06-21 2019-12-24 Kardion Gmbh Verfahren und Vorrichtung zum Erkennen eines Verschleißzustands eines Herzunterstützungssystems, Verfahren und Vorrichtung zum Betreiben eines Herzunterstützungssystems und Herzunterstützungssystem
DE102018211297A1 (de) 2018-07-09 2020-01-09 Kardion Gmbh Herzunterstützungssystem und Verfahren zur Überwachung der Integrität einer Haltestruktur eines Herzunterstützungssystems
DE102018211328A1 (de) 2018-07-10 2020-01-16 Kardion Gmbh Laufradgehäuse für ein implantierbares, vaskuläres Unterstützungssystem
DE102018211327A1 (de) 2018-07-10 2020-01-16 Kardion Gmbh Laufrad für ein implantierbares, vaskuläres Unterstützungssystem
DE102018212153A1 (de) 2018-07-20 2020-01-23 Kardion Gmbh Zulaufleitung für eine Pumpeneinheit eines Herzunterstützungssystems, Herzunterstützungssystem und Verfahren zum Herstellen einer Zulaufleitung für eine Pumpeneinheit eines Herzunterstützungssystems
AU2019320533B2 (en) 2018-08-07 2024-11-21 Kardion Gmbh Bearing device for a cardiac support system, and method for flushing an intermediate space in a bearing device for a cardiac support system
EP4238606A3 (en) 2019-03-26 2023-11-08 Puzzle Medical Devices Inc. Modular mammalian body implantable fluid flow influencing device
US11730946B2 (en) 2019-08-12 2023-08-22 Boston Scientific Scimed, Inc. Flow enhancement for circulatory support device
US12171994B2 (en) 2019-09-11 2024-12-24 Boston Scientific Scimed, Inc. Reduced thrombosis blood pump with washout bearing
US12383723B2 (en) 2019-10-05 2025-08-12 Puzzle Medical Devices Inc. Mammalian body implantable fluid flow influencing device
CN115279448A (zh) 2019-12-03 2022-11-01 普罗西里翁公司 血泵
JP7725472B2 (ja) 2019-12-13 2025-08-19 プロシリオン インコーポレイテッド 血管内血液ポンプの支持構造
DE102020102474A1 (de) 2020-01-31 2021-08-05 Kardion Gmbh Pumpe zum Fördern eines Fluids und Verfahren zum Herstellen einer Pumpe
US12076548B2 (en) 2020-03-03 2024-09-03 Boston Scientific Scimed, Inc. Blood pump with pivotable housing
JP7744043B2 (ja) 2020-09-14 2025-09-25 カルディオン ゲーエムベーハー 可変流れ領域を備えたインペラを有する心血管補助ポンプ
JP2023550938A (ja) 2020-11-20 2023-12-06 カルディオン ゲーエムベーハー ガイドワイヤ補助具付き機械的循環支持システム
EP4259266A1 (en) 2021-02-10 2023-10-18 Boston Scientific Scimed Inc. Magnetic propulsion and bearing for a hemodynamic support pump
WO2022221512A1 (en) 2021-04-14 2022-10-20 Boston Scientific Scimed Inc. Flexible tip for transvalvular circulatory support device
CN115474950A (zh) * 2021-06-15 2022-12-16 浙江迪远医疗器械有限公司 能够防凝血的血液泵
CN113769260B (zh) * 2021-09-16 2024-09-27 苏州心岭迈德医疗科技有限公司 一种辅助泵血系统
US12685856B2 (en) 2021-10-27 2026-07-21 Boston Scientific Scimed, Inc. Percutaneous circulatory support device facilitating reduced hemolysis
CN118215524A (zh) 2021-11-16 2024-06-18 波士顿科学国际有限公司 有利于减少溶血的经皮循环支持系统
JP2024541386A (ja) 2021-11-16 2024-11-08 ボストン サイエンティフィック サイムド，インコーポレイテッド 溶血の低減を促進する経皮的循環補助システム
JP7757527B2 (ja) 2021-11-16 2025-10-21 ボストン サイエンティフィック サイムド，インコーポレイテッド 近位圧力センサを含む経皮的循環補助デバイス
EP4433140A1 (en) 2021-11-17 2024-09-25 Boston Scientific Scimed Inc. Device housing features to facilitate damage free guidewire translations
US12133976B2 (en) 2021-11-23 2024-11-05 Boston Scientific Scimed, Inc. Percutaneous circulatory support device facilitating reduced hemolysis class
CN114344701A (zh) * 2021-12-27 2022-04-15 浙江大学滨江研究院 一种儿童右心的心室辅助装置
US12544560B2 (en) 2022-01-14 2026-02-10 Second Heart Assist, Inc. Wireless chronic implant
EP4245356A1 (en) * 2022-03-15 2023-09-20 Abiomed Europe GmbH Sensor carrier, blood pump comprising a sensor carrier and guidewire comprising a sensor carrier
CN114768085B (zh) * 2022-03-21 2025-11-25 深圳核心医疗科技股份有限公司 血泵
AU2023371536A1 (en) 2022-11-01 2025-05-01 Puzzle Medical Devices Inc. Implantable medical devices and related methods thereof
AU2023390008A1 (en) * 2022-12-07 2025-07-03 Procyrion, Inc. Percutaneous mechanical circulatory support device
DE112024001706T5 (de) * 2023-04-13 2026-01-29 Abiomed, Inc. Blutpumpe
USD1101157S1 (en) * 2023-12-20 2025-11-04 Abiomed, Inc. Medical device housing
WO2025171909A1 (en) 2024-02-14 2025-08-21 Christopher Wall Implantable pump
WO2025255135A1 (en) * 2024-06-05 2025-12-11 Procyrion, Inc. Modular bearings for blood flow assist systems
WO2026049794A1 (en) * 2024-08-29 2026-03-05 Venstramedical Pty Ltd Drive shaft support assembly for expandable blood pump
CN120000942B (zh) * 2025-04-18 2025-07-11 安徽通灵仿生科技有限公司 一种叶轮及其介入式血泵

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060036127A1 (en) * 2004-08-13 2006-02-16 Delgado Reynolds M Iii Method and apparatus for long-term assisting a left ventricle to pump blood
US20120172654A1 (en) * 2010-12-30 2012-07-05 Cook Incorporated Ventricular assist device
US20140275722A1 (en) * 2013-03-14 2014-09-18 Thoratec Corporation Blood pump rotor bearings
WO2017165372A1 (en) * 2016-03-21 2017-09-28 Ramtin Agah Methods and systems for deployment, charging and retrieval of intracardiac pumps
US20180193543A1 (en) * 2017-01-09 2018-07-12 Benjamin Sun Implantable intravascular ventricular assist device
US20180228953A1 (en) * 2015-08-04 2018-08-16 Abiomed Europe Gmbh Blood pump

Family Cites Families (214)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704516A (en) * 1955-03-22 Rotary pump
US2935068A (en) 1955-08-04 1960-05-03 Donaldson John Shearman Surgical procedure and apparatus for use in carrying out the same
US2896926A (en) 1956-01-10 1959-07-28 Chapman Harold Eric Device for mixing or treating fluids or free-flowing powders
US3031973A (en) * 1959-11-30 1962-05-01 Kramer Herman Centrifugal pump with canned motor
US3288073A (en) * 1964-12-01 1966-11-29 Pall Corp Canned pump having reduced hydraulic thrust
US3455540A (en) 1968-01-04 1969-07-15 Emil G Marcmann Stirring device
US3510229A (en) 1968-07-23 1970-05-05 Maytag Co One-way pump
US3620584A (en) 1970-05-25 1971-11-16 Ferrofluidics Corp Magnetic fluid seals
US3812812A (en) 1973-06-25 1974-05-28 M Hurwitz Trolling propeller with self adjusting hydrodynamic spoilers
SE403965B (sv) 1976-01-26 1978-09-18 Electrolux Ab Sett och anordning vid en steriliseringsautoklav
NL7609817A (nl) 1976-09-03 1978-03-07 Philips Nv Lager.
GB2058231B (en) 1979-09-07 1982-01-20 Woodcoxon Eng International Lt Variable pitch marine propellers
US4407508A (en) 1982-12-16 1983-10-04 Ferrofluidics Corporation Single-pole-piece ferrofluid seal apparatus and exclusion seal system
US4714405A (en) * 1983-06-08 1987-12-22 Sundstrand Corporation Centrifugal pump
US4625712A (en) 1983-09-28 1986-12-02 Nimbus, Inc. High-capacity intravascular blood pump utilizing percutaneous access
US4704121A (en) * 1983-09-28 1987-11-03 Nimbus, Inc. Anti-thrombogenic blood pump
US4613329A (en) 1983-09-30 1986-09-23 Sherwood Medical Company Catheter placement device
US4643641A (en) 1984-09-10 1987-02-17 Mici Limited Partnership Iv Method and apparatus for sterilization of a centrifugal pump
US4753221A (en) 1986-10-22 1988-06-28 Intravascular Surgical Instruments, Inc. Blood pumping catheter and method of use
US4846152A (en) 1987-11-24 1989-07-11 Nimbus Medical, Inc. Single-stage axial flow blood pump
FR2632686B1 (enExample) 1988-06-14 1993-07-16 Thomson Brandt Armements
JPH0653161B2 (ja) 1988-09-28 1994-07-20 東洋紡績株式会社 循環装置
US4919647A (en) 1988-10-13 1990-04-24 Kensey Nash Corporation Aortically located blood pumping catheter and method of use
US4957504A (en) * 1988-12-02 1990-09-18 Chardack William M Implantable blood pump
US4969865A (en) 1989-01-09 1990-11-13 American Biomed, Inc. Helifoil pump
US4944722A (en) 1989-02-23 1990-07-31 Nimbus Medical, Inc. Percutaneous axial flow blood pump
US5207695A (en) 1989-06-19 1993-05-04 Trout Iii Hugh H Aortic graft, implantation device, and method for repairing aortic aneurysm
JPH0636821B2 (ja) 1990-03-08 1994-05-18 健二 山崎 体内埋設形の補助人工心臓
US5007513A (en) 1990-04-03 1991-04-16 Lord Corporation Electroactive fluid torque transmission apparatus with ferrofluid seal
US5211546A (en) 1990-05-29 1993-05-18 Nu-Tech Industries, Inc. Axial flow blood pump with hydrodynamically suspended rotor
US5201679A (en) 1991-12-13 1993-04-13 Attwood Corporation Marine propeller with breakaway hub
JPH07505316A (ja) 1992-03-31 1995-06-15 ボストン　サイエンティフィック　コーポレーション 医療用ワイヤ
US6387125B1 (en) 1992-06-23 2002-05-14 Sun Medical Technology Research Corporation Auxiliary artificial heart of an embedded type
DE4222380A1 (de) 1992-07-08 1994-01-13 Ernst Peter Prof Dr M Strecker In den Körper eines Patienten perkutan implantierbare Endoprothese
US5300112A (en) 1992-07-14 1994-04-05 Aai Corporation Articulated heart pump
US5676651A (en) 1992-08-06 1997-10-14 Electric Boat Corporation Surgically implantable pump arrangement and method for pumping body fluids
SE501215C2 (sv) 1992-09-02 1994-12-12 Oeyvind Reitan Kateterpump
ATE164056T1 (de) 1993-04-23 1998-04-15 Schneider Europ Ag Stent mit einer beschichtung aus elastischem material und verfahren zum anbringen der beschichtung auf dem stent
US5368438A (en) 1993-06-28 1994-11-29 Baxter International Inc. Blood pump
US5393197A (en) 1993-11-09 1995-02-28 Lemont Aircraft Corporation Propulsive thrust ring system
US5527159A (en) 1993-11-10 1996-06-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Rotary blood pump
US5686045A (en) 1994-02-09 1997-11-11 Carter; Stephen D. Method for the heat independent sterilization of microbially contaminated instruments
US5490763A (en) 1994-09-15 1996-02-13 Abrams; Andrew L. Pump for shear sensitive fluids
US5660397A (en) 1994-09-23 1997-08-26 Holtkamp; William H. Devices employing a liquid-free medium
US5613935A (en) 1994-12-16 1997-03-25 Jarvik; Robert High reliability cardiac assist system
US5588812A (en) 1995-04-19 1996-12-31 Nimbus, Inc. Implantable electric axial-flow blood pump
US5707218A (en) 1995-04-19 1998-01-13 Nimbus, Inc. Implantable electric axial-flow blood pump with blood cooled bearing
US5824070A (en) 1995-10-30 1998-10-20 Jarvik; Robert Hybrid flow blood pump
US5947703A (en) 1996-01-31 1999-09-07 Ntn Corporation Centrifugal blood pump assembly
US5911685A (en) 1996-04-03 1999-06-15 Guidant Corporation Method and apparatus for cardiac blood flow assistance
DE19626224A1 (de) * 1996-06-29 1998-01-02 Guenter Prof Dr Rau Blutpumpe nach dem Rotationspumpenprinzip
US6245026B1 (en) 1996-07-29 2001-06-12 Farallon Medsystems, Inc. Thermography catheter
AU4668997A (en) 1996-10-04 1998-04-24 United States Surgical Corporation Circulatory support system
US5827171A (en) 1996-10-31 1998-10-27 Momentum Medical, Inc. Intravascular circulatory assist device
US6026814A (en) 1997-03-06 2000-02-22 Scimed Life Systems, Inc. System and method for percutaneous coronary artery bypass
US5964694A (en) 1997-04-02 1999-10-12 Guidant Corporation Method and apparatus for cardiac blood flow assistance
AUPO902797A0 (en) 1997-09-05 1997-10-02 Cortronix Pty Ltd A rotary blood pump with hydrodynamically suspended impeller
US6250880B1 (en) 1997-09-05 2001-06-26 Ventrassist Pty. Ltd Rotary pump with exclusively hydrodynamically suspended impeller
US6889082B2 (en) 1997-10-09 2005-05-03 Orqis Medical Corporation Implantable heart assist system and method of applying same
US6610004B2 (en) 1997-10-09 2003-08-26 Orqis Medical Corporation Implantable heart assist system and method of applying same
US6007478A (en) 1997-11-13 1999-12-28 Impella Cardiotechnik Aktiengesellschaft Cannula having constant wall thickness with increasing distal flexibility and method of making
DE29804046U1 (de) 1998-03-07 1998-04-30 Günther, Rolf W., Prof. Dr.med., 52074 Aachen Perkutan implantierbare selbstentfaltbare Axialpumpe zur temporären Herzunterstützung
DE29821564U1 (de) 1998-12-02 2000-07-13 Impella Cardiotechnik AG, 52074 Aachen Fluidgekühlter Elektromotor mit hoher Leistungsdichte
GB9828696D0 (en) 1998-12-29 1999-02-17 Houston J G Blood-flow tubing
US6749598B1 (en) 1999-01-11 2004-06-15 Flowmedica, Inc. Apparatus and methods for treating congestive heart disease
US7780628B1 (en) 1999-01-11 2010-08-24 Angiodynamics, Inc. Apparatus and methods for treating congestive heart disease
US6585756B1 (en) 1999-05-14 2003-07-01 Ernst P. Strecker Implantable lumen prosthesis
JP4191849B2 (ja) 1999-05-28 2008-12-03 泉工医科工業株式会社 バルーンカテーテル
US6136025A (en) 1999-07-27 2000-10-24 Barbut; Denise R. Endoscopic arterial pumps for treatment of cardiac insufficiency and venous pumps for right-sided cardiac support
US6273901B1 (en) 1999-08-10 2001-08-14 Scimed Life Systems, Inc. Thrombosis filter having a surface treatment
US6454775B1 (en) 1999-12-06 2002-09-24 Bacchus Vascular Inc. Systems and methods for clot disruption and retrieval
DE29921352U1 (de) 1999-12-04 2001-04-12 Impella Cardiotechnik AG, 52074 Aachen Intravasale Blutpumpe
JP4534073B2 (ja) 2000-03-27 2010-09-01 ザ クリーブランド クリニック ファウンデーション 心室補助システムの二次インペラ
US6527699B1 (en) * 2000-06-02 2003-03-04 Michael P. Goldowsky Magnetic suspension blood pump
GB0024304D0 (en) 2000-10-04 2000-11-15 Mcgill Shane R Food blending apparatus
DE10058669B4 (de) 2000-11-25 2004-05-06 Impella Cardiotechnik Ag Mikromotor
DE10059714C1 (de) 2000-12-01 2002-05-08 Impella Cardiotech Ag Intravasale Pumpe
WO2002070039A2 (en) 2001-03-01 2002-09-12 Three Arch Partners Intravascular device for treatment of hypertension
US6547519B2 (en) 2001-04-13 2003-04-15 Hewlett Packard Development Company, L.P. Blower impeller apparatus with pivotable blades
US6517315B2 (en) 2001-05-29 2003-02-11 Hewlett-Packard Company Enhanced performance fan with the use of winglets
US6887215B2 (en) 2001-06-01 2005-05-03 Boston Scientific Scimed, Inc. Compressible ureteral stent for comfort
US6939373B2 (en) 2003-08-20 2005-09-06 Advanced Cardiovascular Systems, Inc. Intravascular stent
US20030144574A1 (en) 2001-12-19 2003-07-31 Heilman Marlin S. Method and apparatus for providing limited back-flow in a blood pump during a non-pumping state
US6866805B2 (en) 2001-12-27 2005-03-15 Advanced Cardiovascular Systems, Inc. Hybrid intravascular stent
GB2383540B (en) 2001-12-28 2004-12-08 Michael Henein Intravascular pump
US7396327B2 (en) 2002-01-07 2008-07-08 Micromed Technology, Inc. Blood pump system and method of operation
CN100500230C (zh) 2002-01-07 2009-06-17 麦克罗美德技术公司 用于可植入血泵的生理控制的方法和系统
US7708771B2 (en) 2002-02-26 2010-05-04 Endovascular Technologies, Inc. Endovascular graft device and methods for attaching components thereof
WO2003103745A2 (en) 2002-06-11 2003-12-18 Walid Aboul-Hosn Expandable blood pump and related methods
US7998190B2 (en) 2002-06-17 2011-08-16 California Institute Of Technology Intravascular miniature stent pump
US6860713B2 (en) 2002-11-27 2005-03-01 Nidec Corporation Fan with collapsible blades, redundant fan system, and related method
JP2004204826A (ja) 2002-12-26 2004-07-22 Sony Corp 動圧軸受型ポンプ
US6972956B2 (en) 2003-01-16 2005-12-06 Hewlett-Packard Development Company, L.P. Collapsible fan and system and method incorporating same
CA2428741A1 (en) 2003-05-13 2004-11-13 Cardianove Inc. Dual inlet mixed-flow blood pump
WO2004110257A2 (en) 2003-06-09 2004-12-23 The University Of Cincinnati Power system for a heart actuation device
US7374531B1 (en) 2003-06-11 2008-05-20 L. Vad Technology, Inc. Long term ambulatory intra-aortic balloon pump with three dimensional tortuous shape
US7473220B2 (en) 2003-08-04 2009-01-06 Medcanica, Inc. Surgical port device
DE10336902C5 (de) 2003-08-08 2019-04-25 Abiomed Europe Gmbh Intrakardiale Pumpvorrichtung
WO2005020848A2 (en) 2003-08-28 2005-03-10 Advanced Research And Technology Institute, Inc. Cavopulmonary assist device and associated method
US7393181B2 (en) 2004-09-17 2008-07-01 The Penn State Research Foundation Expandable impeller pump
DE102004054714A1 (de) 2004-11-12 2006-05-24 Impella Cardiosystems Gmbh Faltbare intravasal einführbare Blutpumpe
DE102005017546A1 (de) 2005-04-16 2006-10-19 Impella Cardiosystems Gmbh Verfahren zur Steuerung einer Blutpumpe
CA2611313A1 (en) 2005-06-06 2006-12-14 The Cleveland Clinic Foundation Blood pump
HUE025071T2 (en) 2005-08-26 2016-01-28 Becton Dickinson Co Methods of sterilizing elastomeric sealing articles
US7878967B1 (en) 2005-10-06 2011-02-01 Sanjaya Khanal Heart failure/hemodynamic device
WO2007084339A2 (en) 2006-01-13 2007-07-26 Heartware, Inc. Rotary blood pump
CA2646277C (en) 2006-03-23 2016-01-12 The Penn State Research Foundation Heart assist device with expandable impeller pump
EP2026856B1 (en) * 2006-05-31 2015-08-26 VADovations, Inc. Heart assistance device
US7914436B1 (en) 2006-06-12 2011-03-29 Abiomed, Inc. Method and apparatus for pumping blood
DE102006036948A1 (de) * 2006-08-06 2008-02-07 Akdis, Mustafa, Dipl.-Ing. Blutpumpe
AU2008219653B2 (en) 2007-02-26 2014-01-16 Heartware, Inc. Intravascular ventricular assist device
DE102007014224A1 (de) 2007-03-24 2008-09-25 Abiomed Europe Gmbh Blutpumpe mit Mikromotor
US7762941B2 (en) 2007-04-25 2010-07-27 Robert Jarvik Blood pump bearings with separated contact surfaces
BRPI0812940A2 (pt) 2007-06-14 2017-05-23 Calon Cardio Tech Ltd bomba rotatória de eixo de diâmetro reduzido para assistência cardíaca
DE102007047692A1 (de) 2007-10-05 2009-04-09 Wabco Gmbh Feststellbremsmodulator sowie Verwendung eines Bremsmodulators als Feststellbremsmodulator
US8489190B2 (en) 2007-10-08 2013-07-16 Ais Gmbh Aachen Innovative Solutions Catheter device
US9199020B2 (en) 2007-11-01 2015-12-01 Abiomed, Inc. Purge-free miniature rotary pump
WO2009091974A1 (en) 2008-01-18 2009-07-23 Med Institute, Inc. Intravascular device attachment system having biological material
EP2308422B1 (en) 2008-06-23 2013-06-05 Cardiobridge GmbH Catheter pump for circulatory support
CN102176933B (zh) 2008-08-08 2016-01-20 卡龙心脏科技有限公司 心脏辅助设备
US7993259B2 (en) 2009-01-23 2011-08-09 Wei-Chang Kang Percutaneous intra-aortic ventricular assist device
WO2012145027A1 (en) 2011-04-20 2012-10-26 Abbott Diabetes Care Inc. Analyte monitoring devices and methods
JP5267227B2 (ja) * 2009-03-09 2013-08-21 株式会社ジェイ・エム・エス ターボ式血液ポンプ
US20100249489A1 (en) 2009-03-27 2010-09-30 Robert Jarvik Intraventricular blood pumps anchored by expandable mounting devices
US8626316B2 (en) 2009-04-03 2014-01-07 Miracor Medical Systems Gmbh Device for the intermittent occlusion of the coronary sinus
EP2248544A1 (de) 2009-05-05 2010-11-10 ECP Entwicklungsgesellschaft mbH Im Durchmesser veränderbare Fluidpumpe, insbesondere für die medizinische Verwendung
US8696693B2 (en) 2009-12-05 2014-04-15 Integrated Sensing Systems, Inc. Delivery system, method, and anchor for medical implant placement
US8734508B2 (en) 2009-12-21 2014-05-27 Boston Scientific Scimed, Inc. Systems and methods for making and using percutaneously-delivered pumping systems for providing hemodynamic support
FR2955499B1 (fr) 2010-01-28 2013-06-14 Fineheart " pompe cardiaque autonome, et procede mis en oeuvre dans une telle pompe".
EP2388029A1 (de) 2010-05-17 2011-11-23 ECP Entwicklungsgesellschaft mbH Pumpenanordnung
US9227001B2 (en) 2010-10-07 2016-01-05 Everheart Systems Inc. High efficiency blood pump
WO2012051454A2 (en) 2010-10-13 2012-04-19 Thoratec Corporation Pumping blood
WO2012054490A1 (en) 2010-10-18 2012-04-26 World Heart Corporation Blood pump with splitter impeller blades and splitter stator vanes and methods of manufacturing
CA2816762A1 (en) 2010-11-05 2012-05-10 Tufts Medical Center, Inc. Cannula with bifurcated tip for a cardiac assist device
US8597170B2 (en) 2011-01-05 2013-12-03 Thoratec Corporation Catheter pump
WO2012094641A2 (en) 2011-01-06 2012-07-12 Thoratec Corporation Percutaneous heart pump
US8591393B2 (en) 2011-01-06 2013-11-26 Thoratec Corporation Catheter pump
GB201112350D0 (en) 2011-07-18 2011-08-31 Calon Cardio Technology Ltd Cardiac Pump
US8849398B2 (en) 2011-08-29 2014-09-30 Minnetronix, Inc. Expandable blood pump for cardiac support
US9162017B2 (en) 2011-08-29 2015-10-20 Minnetronix, Inc. Expandable vascular pump
US11389638B2 (en) 2012-02-07 2022-07-19 Hridaya, Inc. Hemodynamic assist device
CA2868853C (en) 2012-03-26 2021-02-09 Procyrion, Inc. Systems and methods for fluid flows and/or pressures for circulation and perfusion enhancement
EP2662099B1 (en) 2012-05-09 2014-09-10 Abiomed Europe GmbH Intravascular blood pump
GB201218768D0 (en) 2012-10-18 2012-12-05 Calon Cardio Technology Ltd Centrifugal pumps
US8777832B1 (en) 2013-03-14 2014-07-15 The University Of Kentucky Research Foundation Axial-centrifugal flow catheter pump for cavopulmonary assistance
US9308302B2 (en) 2013-03-15 2016-04-12 Thoratec Corporation Catheter pump assembly including a stator
EP2983732B1 (en) * 2013-04-08 2022-02-23 Systol Dynamics Left ventricular cardiac assist pump and methods therefor
DE102013208038B4 (de) 2013-05-02 2016-09-08 Michael Siegenthaler Katheterbasierendes Herzunterstützungssystem
US10111994B2 (en) 2013-05-14 2018-10-30 Heartware, Inc. Blood pump with separate mixed-flow and axial-flow impeller stages and multi-stage stators
GB2515275A (en) 2013-06-07 2014-12-24 Calon Cardio Technology Ltd Bearing for a cardiac pump
EP2868345A1 (de) 2013-10-31 2015-05-06 Berlin Heart GmbH Elektrische Anordnung mit einem implantierbaren Kabelelement
AU2015223169B2 (en) 2014-02-25 2019-08-29 Zain KHALPEY Ventricular assist device and method
US9616159B2 (en) 2014-03-05 2017-04-11 Medtronic Vascular Galway Modular implantable ventricular assist device
GB2527075A (en) 2014-03-17 2015-12-16 Daassist As Percutaneous system, devices and methods
EP3821939A1 (en) 2014-05-13 2021-05-19 Abiomed, Inc. Blood pump housing component
WO2015192076A1 (en) 2014-06-12 2015-12-17 Heartware, Inc. Percutaneous connector with magnetic cap and associated methods of use
US9717832B2 (en) * 2015-01-06 2017-08-01 HeartWave, Inc. Axial flow rotor with downstream bearing wash flow
EP3812001B1 (en) 2015-03-18 2025-04-23 Abiomed Europe GmbH Blood pump
EP4279119B1 (en) * 2015-03-18 2026-05-06 Abiomed Europe GmbH Blood pump
DK3821938T3 (da) 2015-03-18 2024-08-19 Abiomed Europe Gmbh Blodpumpe
US9907890B2 (en) 2015-04-16 2018-03-06 Tc1 Llc Catheter pump with positioning brace
EP3294367A4 (en) 2015-05-15 2019-01-16 Tc1 Llc Improved axial flow blood pump
EP3141271A1 (de) 2015-09-11 2017-03-15 Berlin Heart GmbH Blutpumpe, vorzugsweise zur unterstützung eines herzens
ES2959221T3 (es) 2015-09-25 2024-02-21 Procyrion Inc Bomba de sangre intravascular no oclusiva que proporciona hemólisis reducida
CA3010542A1 (en) 2016-01-08 2017-07-13 Nuheart As Connector for coupling anatomical walls
US20170197019A1 (en) 2016-01-08 2017-07-13 Nuheart As Connector for fluid communication between two anatomical compartments
EP3222301B1 (en) * 2016-03-23 2018-05-09 Abiomed Europe GmbH Blood pump
AU2016405653B2 (en) 2016-05-02 2021-05-13 Star Bp, Inc. Heart assist device
US20170340789A1 (en) 2016-05-27 2017-11-30 Yale University Cavo-arterial pump
AU2017279518B2 (en) 2016-06-06 2022-05-26 Abiomed, Inc. Blood pump assembly having a sensor and a sensor shield
AU2017283724B2 (en) 2016-06-17 2022-12-01 Procyrion, Inc. Magnetic fluid seal for implantable devices
JP7306654B2 (ja) 2016-10-07 2023-07-11 ヌハート エーエス 体内装置の送達用経カテーテル装置およびシステム
CN109891684B (zh) 2016-10-26 2020-06-30 心脏器械股份有限公司 具有平台桥接部的带凹槽的连接器
CA3039302C (en) 2016-11-23 2025-05-13 Magenta Medical Ltd. BLOOD PUMPS
IL267367B (en) 2016-12-19 2022-09-01 Abiomed Inc Heart pump with pure passive system
US10888646B2 (en) * 2017-04-28 2021-01-12 Nuheart As Ventricular assist device and method
US10537670B2 (en) 2017-04-28 2020-01-21 Nuheart As Ventricular assist device and method
EP3456367A1 (en) * 2017-09-19 2019-03-20 Abiomed Europe GmbH Blood pump
US20190133599A1 (en) 2017-11-03 2019-05-09 Cook Medical Technologies Llc Endovascular pulsation balloon
WO2019094963A1 (en) 2017-11-13 2019-05-16 Shifamed Holdings, Llc Intravascular fluid movement devices, systems, and methods of use
WO2019152875A1 (en) * 2018-02-01 2019-08-08 Shifamed Holdings, Llc Intravascular blood pumps and methods of use and manufacture
EP4420712A3 (en) 2018-03-09 2024-11-13 Boston Scientific Scimed Inc. Magnetic coupler for hemostatic rotor sealing
EP3765111B1 (en) * 2018-03-14 2024-05-08 The Cleveland Clinic Foundation Blood pump with magnetically loaded partial arc journal bearings
WO2019182691A1 (en) 2018-03-21 2019-09-26 Tc1 Llc Improved driveline connectors and methods for use with heart pump controllers
DE102018207611A1 (de) * 2018-05-16 2019-11-21 Kardion Gmbh Rotorlagerungssystem
US10722627B1 (en) * 2018-05-24 2020-07-28 RBTS Inc. Blood pump bearing with integrated fluid diffuser/inducer system
DE102018208555A1 (de) 2018-05-30 2019-12-05 Kardion Gmbh Vorrichtung zum Verankern eines Herzunterstützungssystems in einem Blutgefäß, Verfahren zum Betreiben und Herstellverfahren zum Herstellen einer Vorrichtung und Herzunterstützungssystem
US12343516B2 (en) 2018-06-12 2025-07-01 Venstramedical Pty Limited Intracardiac percutaneous pump for circulatory support and related systems and methods
AU2019320533B2 (en) * 2018-08-07 2024-11-21 Kardion Gmbh Bearing device for a cardiac support system, and method for flushing an intermediate space in a bearing device for a cardiac support system
KR102310675B1 (ko) 2018-08-20 2021-10-12 (주)엘엑스하우시스 배기가스 정화용 촉매
CN112655142B (zh) 2018-08-28 2025-07-25 波士顿科学国际有限公司 经皮循环支撑装置的轴向磁通电机
CN116804421B (zh) 2018-10-18 2026-05-26 波士顿科学国际有限公司 血泵轴轴承
US11484698B2 (en) 2019-07-09 2022-11-01 Boston Scientific Scimed, Inc. Circulatory support device
CN113557051A (zh) 2019-03-25 2021-10-26 波士顿科学国际有限公司 具有腐蚀防护的机械循环支持泵驱动装置
EP4238606A3 (en) 2019-03-26 2023-11-08 Puzzle Medical Devices Inc. Modular mammalian body implantable fluid flow influencing device
US11730946B2 (en) 2019-08-12 2023-08-22 Boston Scientific Scimed, Inc. Flow enhancement for circulatory support device
EP4058078B1 (en) 2019-08-21 2025-02-26 Boston Scientific Scimed Inc. Circulatory support pump centering anchoring & centering device
US11583672B2 (en) 2019-08-30 2023-02-21 Boston Scientific Scimed, Inc. Glass impeller for a blood pump
US11666748B2 (en) 2019-08-30 2023-06-06 Boston Scientific Scimed, Inc. Hybrid bearing seal for use in blood pump
JP7375172B2 (ja) 2019-09-05 2023-11-07 ボストン サイエンティフィック サイムド，インコーポレイテッド カニューレ一体型循環補助装置
US12171994B2 (en) 2019-09-11 2024-12-24 Boston Scientific Scimed, Inc. Reduced thrombosis blood pump with washout bearing
EP4524416A3 (en) * 2019-10-03 2025-05-07 Boston Scientific Scimed, Inc. Reduced thrombosis blood pump
WO2021062565A2 (en) 2019-10-04 2021-04-08 Puzzle Medical Devices Inc. Fluid kinetic energy redistribution system for use as hemodynamic support
WO2021062566A1 (en) 2019-10-05 2021-04-08 Puzzle Medical Devices Inc. Modular impeller system for fluid circulation
CN115279448A (zh) 2019-12-03 2022-11-01 普罗西里翁公司 血泵
WO2021117021A1 (en) 2019-12-12 2021-06-17 Puzzle Medical Devices Inc. System and method for assisting flow of a fluid in a vascular system of a mammalian body
JP7725472B2 (ja) 2019-12-13 2025-08-19 プロシリオン インコーポレイテッド 血管内血液ポンプの支持構造
EP4084851A4 (en) 2020-01-03 2024-01-24 Puzzle Medical Devices Inc. INTRALUMEN PROTECTION DEVICE FOR MAMMAL AND LUMINAL WALL ANCHOR ASSEMBLY, COMPONENTS THEREOF AND IMPLANTATION METHOD AND EXPLANTATION THEREOF
JP7500736B2 (ja) 2020-01-21 2024-06-17 ボストン サイエンティフィック サイムド，インコーポレイテッド 電磁駆動式血液ポンプ
WO2021150354A1 (en) 2020-01-21 2021-07-29 Boston Scientific Scimed Inc Magnetic drives having flux enhancers for blood pumps
US12076548B2 (en) 2020-03-03 2024-09-03 Boston Scientific Scimed, Inc. Blood pump with pivotable housing
KR20210126414A (ko) 2020-04-10 2021-10-20 에스케이이노베이션 주식회사 알칼리 금속 및/또는 알칼리토금속이 도핑된 전이금속-수소 활성화 금속 복합 산화물 촉매 및 이를 이용한 부타디엔의 제조방법
US11325138B2 (en) 2020-09-10 2022-05-10 Zhangzhou Leyuan Industrial Co., Ltd. Nozzle for providing a helical spray
AU2022285652A1 (en) 2021-06-02 2023-12-14 Procyrion, Inc. Intravascular blood pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060036127A1 (en) * 2004-08-13 2006-02-16 Delgado Reynolds M Iii Method and apparatus for long-term assisting a left ventricle to pump blood
US20120172654A1 (en) * 2010-12-30 2012-07-05 Cook Incorporated Ventricular assist device
US20140275722A1 (en) * 2013-03-14 2014-09-18 Thoratec Corporation Blood pump rotor bearings
US20180228953A1 (en) * 2015-08-04 2018-08-16 Abiomed Europe Gmbh Blood pump
WO2017165372A1 (en) * 2016-03-21 2017-09-28 Ramtin Agah Methods and systems for deployment, charging and retrieval of intracardiac pumps
US20180193543A1 (en) * 2017-01-09 2018-07-12 Benjamin Sun Implantable intravascular ventricular assist device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115348880A (zh) * 2020-03-27 2022-11-15 阿比奥梅德欧洲股份有限公司 血液泵
CN116440404A (zh) * 2023-05-18 2023-07-18 苏州心岭迈德医疗科技有限公司 一种基于磁力驱动的封闭式微型泵
CN116440404B (zh) * 2023-05-18 2024-03-08 苏州心岭迈德医疗科技有限公司 一种基于磁力驱动的封闭式微型泵
CN116650825A (zh) * 2023-06-06 2023-08-29 深圳核心医疗科技股份有限公司 血泵
CN116870356A (zh) * 2023-06-28 2023-10-13 安徽通灵仿生科技有限公司 一种导管泵组件及其控制系统
CN117728597A (zh) * 2023-12-06 2024-03-19 安徽通灵仿生科技有限公司 驱动机构及其血泵
WO2025214111A1 (zh) * 2024-04-10 2025-10-16 深圳核心医疗科技股份有限公司 血泵

Also Published As

Publication number Publication date
JP2025069444A (ja) 2025-04-30
US20220257920A1 (en) 2022-08-18
US11779751B2 (en) 2023-10-10
EP4725541A2 (en) 2026-04-15
WO2021113389A1 (en) 2021-06-10
EP4069347A4 (en) 2023-12-27
CA3160442A1 (en) 2021-06-10
US20220080179A1 (en) 2022-03-17
US20240165394A1 (en) 2024-05-23
ES3073528T3 (en) 2026-07-13
JP7709438B2 (ja) 2025-07-16
US11857777B2 (en) 2024-01-02
EP4069347A1 (en) 2022-10-12
JP2023505211A (ja) 2023-02-08
EP4069347B1 (en) 2026-03-18
US12161854B2 (en) 2024-12-10
AU2020396948A1 (en) 2022-06-23
US11452859B2 (en) 2022-09-27
US20240075275A1 (en) 2024-03-07
US11517736B2 (en) 2022-12-06
IL293625A (en) 2022-08-01
US20220080183A1 (en) 2022-03-17
US11324940B2 (en) 2022-05-10
US20220080182A1 (en) 2022-03-17
EP4725541A3 (en) 2026-07-08
US20230111434A1 (en) 2023-04-13
US20230020104A1 (en) 2023-01-19
AU2020396948B2 (en) 2026-07-16

Similar Documents

Publication Publication Date Title
US11452859B2 (en) Blood pumps
US20250144402A1 (en) Impeller
US10765788B2 (en) Axial flow rotor with downstream bearing wash flow
US8535211B2 (en) Blood pump with expandable cannula
IL293863B1 (en) Support structures for intravascular blood pumps
EP3927390A1 (en) Catheter device with a drive shaft cover
TW202506227A (zh) 血泵
WO2025255135A1 (en) Modular bearings for blood flow assist systems
US20260131132A1 (en) Modular strut assembly for intravascular devices

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination