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GB2504175B - Distal Bearing Support - Google Patents

Distal Bearing Support

Info

Publication number
GB2504175B
GB2504175B GB1308544.4A GB201308544A GB2504175B GB 2504175 B GB2504175 B GB 2504175B GB 201308544 A GB201308544 A GB 201308544A GB 2504175 B GB2504175 B GB 2504175B
Authority
GB
United Kingdom
Prior art keywords
bearing support
distal bearing
distal
support
bearing
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.)
Expired - Fee Related
Application number
GB1308544.4A
Other versions
GB201308544D0 (en
GB2504175A (en
Inventor
Richard L Keenan
Keif M Fitzgerald
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.)
Thoratec LLC
Original Assignee
Thoratec LLC
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
Priority claimed from US13/802,556 external-priority patent/US9446179B2/en
Application filed by Thoratec LLC filed Critical Thoratec LLC
Priority to GB1414709.4A priority Critical patent/GB2517313A/en
Publication of GB201308544D0 publication Critical patent/GB201308544D0/en
Publication of GB2504175A publication Critical patent/GB2504175A/en
Application granted granted Critical
Publication of GB2504175B publication Critical patent/GB2504175B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20Type thereof
    • A61M60/205Non-positive displacement blood pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20Type thereof
    • A61M60/205Non-positive displacement blood pumps
    • A61M60/216Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
    • A61M60/237Non-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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10Location thereof with respect to the patient's body
    • A61M60/122Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/126Implantable 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
    • A61M60/13Implantable 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10Location thereof with respect to the patient's body
    • A61M60/122Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/165Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
    • A61M60/17Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps
    • A61M60/174Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps discharging the blood to the ventricle or arterial system via a cannula internal to the ventricle or arterial system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40Details relating to driving
    • A61M60/403Details relating to driving for non-positive displacement blood pumps
    • A61M60/405Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40Details relating to driving
    • A61M60/403Details relating to driving for non-positive displacement blood pumps
    • A61M60/408Details 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
    • A61M60/411Details 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
    • A61M60/414Details 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/50Details relating to control
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80Constructional details other than related to driving
    • A61M60/802Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/804Impellers
    • A61M60/806Vanes or blades
    • A61M60/808Vanes or blades specially adapted for deformable impellers, e.g. expandable impellers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80Constructional details other than related to driving
    • A61M60/802Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/81Pump housings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80Constructional details other than related to driving
    • A61M60/802Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/818Bearings
    • A61M60/825Contact bearings, e.g. ball-and-cup or pivot bearings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80Constructional details other than related to driving
    • A61M60/802Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/827Sealings between moving parts

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Mechanical Engineering (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • External Artificial Organs (AREA)
GB1308544.4A 2012-05-14 2013-05-13 Distal Bearing Support Expired - Fee Related GB2504175B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1414709.4A GB2517313A (en) 2012-05-14 2013-05-13 Distal bearing support

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261646755P 2012-05-14 2012-05-14
US13/802,556 US9446179B2 (en) 2012-05-14 2013-03-13 Distal bearing support

Publications (3)

Publication Number Publication Date
GB201308544D0 GB201308544D0 (en) 2013-06-19
GB2504175A GB2504175A (en) 2014-01-22
GB2504175B true GB2504175B (en) 2015-01-28

Family

ID=48672211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1308544.4A Expired - Fee Related GB2504175B (en) 2012-05-14 2013-05-13 Distal Bearing Support

Country Status (2)

Country Link
DE (1) DE102013008158A1 (en)
GB (1) GB2504175B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3556409B1 (en) 2016-10-25 2022-01-05 Magenta Medical Ltd. Ventricular assist device
ES2896901T3 (en) * 2017-08-23 2022-02-28 Ecp Entw Mbh Drive shaft cover with a heat-conducting part
US10905808B2 (en) 2018-01-10 2021-02-02 Magenta Medical Ltd. Drive cable for use with a blood pump
EP3858422B1 (en) 2019-01-24 2022-11-02 Magenta Medical Ltd. Ventricular assist device
CN114340718B (en) 2019-09-05 2024-07-30 波士顿科学国际有限公司 Circulation supporting device with integrated intubation tube
CN114746142A (en) 2020-04-07 2022-07-12 马真塔医药有限公司 Ventricular assist device
EP4252825A3 (en) * 2021-10-11 2023-12-27 Magenta Medical Ltd. Ventricular assist device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6176848B1 (en) * 1996-04-04 2001-01-23 Impella Cardiotechnik Gmbh Intravascular blood pump
US20110004046A1 (en) * 2009-07-01 2011-01-06 The Penn State Research Foundation Blood pump with expandable cannula
WO2012094525A2 (en) * 2011-01-05 2012-07-12 Thoratec Corporation Impeller housing for percutaneous heart pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5964694A (en) 1997-04-02 1999-10-12 Guidant Corporation Method and apparatus for cardiac blood flow assistance
US6178922B1 (en) 1997-04-15 2001-01-30 Seefar Technologies, Inc. Mastication article possessing microbe-inhibiting properties
US6889082B2 (en) 1997-10-09 2005-05-03 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
DE19821307C1 (en) 1998-05-13 1999-10-21 Impella Cardiotech Gmbh Intra-cardiac blood pump
US7022100B1 (en) 1999-09-03 2006-04-04 A-Med Systems, Inc. Guidable intravascular blood pump and related methods
DE10040403A1 (en) 2000-08-18 2002-02-28 Impella Cardiotech Ag Intracardiac blood pump
US7393181B2 (en) 2004-09-17 2008-07-01 The Penn State Research Foundation Expandable impeller pump
US7841976B2 (en) 2006-03-23 2010-11-30 Thoratec Corporation Heart assist device with expandable impeller pump
ES2914383T3 (en) 2010-05-26 2022-06-10 Abiomed Inc Anatomical adjustment of a percutaneous VAD for support of the right heart
US9138518B2 (en) 2011-01-06 2015-09-22 Thoratec Corporation Percutaneous heart pump
WO2012094535A2 (en) 2011-01-06 2012-07-12 Thoratec Corporation Percutaneous heart pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6176848B1 (en) * 1996-04-04 2001-01-23 Impella Cardiotechnik Gmbh Intravascular blood pump
US20110004046A1 (en) * 2009-07-01 2011-01-06 The Penn State Research Foundation Blood pump with expandable cannula
WO2012094525A2 (en) * 2011-01-05 2012-07-12 Thoratec Corporation Impeller housing for percutaneous heart pump

Also Published As

Publication number Publication date
GB201308544D0 (en) 2013-06-19
DE102013008158A1 (en) 2013-11-14
GB2504175A (en) 2014-01-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210513