AU4189499A - Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures - Google Patents

Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures

Info

Publication number
AU4189499A
AU4189499A AU41894/99A AU4189499A AU4189499A AU 4189499 A AU4189499 A AU 4189499A AU 41894/99 A AU41894/99 A AU 41894/99A AU 4189499 A AU4189499 A AU 4189499A AU 4189499 A AU4189499 A AU 4189499A
Authority
AU
Australia
Prior art keywords
pulmonary
methods
blood flow
support devices
heart surgery
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.)
Abandoned
Application number
AU41894/99A
Other languages
English (en)
Inventor
Walid Najib Aboul-Hosn
William Russell Kanz
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.)
A Med Systems Inc
Original Assignee
A Med Systems Inc
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 US09/079,836 external-priority patent/US6395026B1/en
Application filed by A Med Systems Inc filed Critical A Med Systems Inc
Publication of AU4189499A publication Critical patent/AU4189499A/en
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • 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
    • 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
    • A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
    • 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
    • A61M60/165—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
    • A61M60/174—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 discharging the blood to the ventricle or arterial system via a cannula internal to the ventricle or arterial 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
    • A61M60/237—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
    • A61M60/40—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
    • 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
    • A61M60/80—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
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Mechanical Engineering (AREA)
  • Vascular Medicine (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • External Artificial Organs (AREA)
AU41894/99A 1998-05-15 1999-05-17 Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures Abandoned AU4189499A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/079,836 US6395026B1 (en) 1998-05-15 1998-05-15 Apparatus and methods for beating heart bypass surgery
US09079836 1998-05-15
US09231320 1999-01-13
US09/231,320 US6532964B2 (en) 1997-07-11 1999-01-13 Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures
PCT/US1999/010871 WO1999059652A1 (en) 1998-05-15 1999-05-17 Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures

Publications (1)

Publication Number Publication Date
AU4189499A true AU4189499A (en) 1999-12-06

Family

ID=26762480

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41894/99A Abandoned AU4189499A (en) 1998-05-15 1999-05-17 Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures

Country Status (5)

Country Link
US (4) US6532964B2 (https=)
EP (1) EP1082150A4 (https=)
JP (1) JP2002515301A (https=)
AU (1) AU4189499A (https=)
WO (1) WO1999059652A1 (https=)

Families Citing this family (168)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6709418B1 (en) 1997-07-11 2004-03-23 A-Med Systems, Inc. Apparatus and methods for entering cavities of the body
US7182727B2 (en) * 1997-07-11 2007-02-27 A—Med Systems Inc. Single port cardiac support apparatus
US6532964B2 (en) * 1997-07-11 2003-03-18 A-Med Systems, Inc. Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures
US6123725A (en) * 1997-07-11 2000-09-26 A-Med Systems, Inc. Single port cardiac support apparatus
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
US6969379B1 (en) 1998-08-27 2005-11-29 A-Med Systems, Inc. Intravascular cannulation apparatus and methods of use
US20050119599A1 (en) * 1999-05-18 2005-06-02 A-Med Systems, Inc. Supplemental port for catheter perfusion of surgical site and methods of use
US7022100B1 (en) 1999-09-03 2006-04-04 A-Med Systems, Inc. Guidable intravascular blood pump and related methods
US6716242B1 (en) * 1999-10-13 2004-04-06 Peter A. Altman Pulmonary vein stent and method for use
US6641571B2 (en) * 2000-01-05 2003-11-04 Ed. Geistlich Soehne Ag Fuer Chemische Industrie Reduction of postoperative complications of cardiopulmonary bypass (CPB) surgery
US6447443B1 (en) * 2001-01-13 2002-09-10 Medtronic, Inc. Method for organ positioning and stabilization
ES2275651T3 (es) * 2000-01-27 2007-06-16 A-Med Systems, Inc. Sistema de canulacion.
US6530876B1 (en) 2000-04-25 2003-03-11 Paul A. Spence Supplemental heart pump methods and systems for supplementing blood through the heart
US6592612B1 (en) 2000-05-04 2003-07-15 Cardeon Corporation Method and apparatus for providing heat exchange within a catheter body
DE10040403A1 (de) * 2000-08-18 2002-02-28 Impella Cardiotech Ag Intrakardiale Blutpumpe
US6808508B1 (en) * 2000-09-13 2004-10-26 Cardiacassist, Inc. Method and system for closed chest blood flow support
US6814713B2 (en) 2001-04-25 2004-11-09 A-Med Systems, Inc. Systems for performing minimally invasive cardiac medical procedures
US20020188167A1 (en) 2001-06-06 2002-12-12 Anthony Viole Multilumen catheter for minimizing limb ischemia
US7048680B2 (en) * 2001-06-06 2006-05-23 Orqis Medical Corporation Multilumen catheter for minimizing limb ischemia
US7366754B2 (en) * 2001-06-29 2008-04-29 Thomson Licensing Multi-media jitter removal in an asynchronous digital home network
US7238165B2 (en) * 2002-02-21 2007-07-03 Design Mentor, Inc. Fluid pump
US7241257B1 (en) * 2002-06-28 2007-07-10 Abbott Cardiovascular Systems, Inc. Devices and methods to perform minimally invasive surgeries
US7468050B1 (en) 2002-12-27 2008-12-23 L. Vad Technology, Inc. Long term ambulatory intra-aortic balloon pump
US8721515B2 (en) * 2003-01-31 2014-05-13 L-Vad Technology, Inc. Rigid body aortic blood pump implant
US8540618B2 (en) 2003-01-31 2013-09-24 L-Vad Technology, Inc. Stable aortic blood pump implant
US7374531B1 (en) 2003-06-11 2008-05-20 L. Vad Technology, Inc. Long term ambulatory intra-aortic balloon pump with three dimensional tortuous shape
US7494477B2 (en) * 2003-09-02 2009-02-24 Pulsecath B.V. Catheter pump, catheter and fittings therefore and methods of using a catheter pump
US7416525B2 (en) * 2003-09-18 2008-08-26 Myrakelle, Llc Rotary blood pump
US7273446B2 (en) 2003-10-31 2007-09-25 Spence Paul A Methods, devices and systems for counterpulsation of blood flow to and from the circulatory system
US7445592B2 (en) 2004-06-10 2008-11-04 Orqis Medical Corporation Cannulae having reduced flow resistance
GB0419954D0 (en) 2004-09-08 2004-10-13 Advotek Medical Devices Ltd System for directing therapy
US7393181B2 (en) 2004-09-17 2008-07-01 The Penn State Research Foundation Expandable impeller pump
EP1832303A1 (de) * 2004-11-24 2007-09-12 LIFEBRIDGE Medizintechnik AG Vorrichtung zur Bereitstellung eines extrakorporalen Blutkreislaufs
USD535743S1 (en) * 2005-08-15 2007-01-23 Arthur Myles Williams Vein stabilizer device
CA2636105C (en) 2006-01-27 2015-05-05 Circulite, Inc Heart assist system
AU2007201127B2 (en) 2006-03-23 2012-02-09 Thoratec Corporation System For Preventing Diastolic Heart Failure
CA2646277C (en) 2006-03-23 2016-01-12 The Penn State Research Foundation Heart assist device with expandable impeller pump
JP2009532131A (ja) 2006-03-31 2009-09-10 オーキス メディカル コーポレイション 回転血液ポンプ
US20130190676A1 (en) 2006-04-20 2013-07-25 Limflow Gmbh Devices and methods for fluid flow through body passages
ITMI20061080A1 (it) * 2006-06-01 2007-12-02 Ngc Medical Spa Apparecchiatura per la rivascolarizzazione miocardica in condizioni di cuore battente e con assistenza ventricolare sinistra
US20090024152A1 (en) * 2007-07-17 2009-01-22 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Custom-fitted blood vessel sleeve
US8147537B2 (en) * 2006-06-16 2012-04-03 The Invention Science Fund I, Llc Rapid-prototyped custom-fitted blood vessel sleeve
US8478437B2 (en) * 2006-06-16 2013-07-02 The Invention Science Fund I, Llc Methods and systems for making a blood vessel sleeve
US8551155B2 (en) * 2006-06-16 2013-10-08 The Invention Science Fund I, Llc Stent customization system and method
US20080133040A1 (en) * 2006-06-16 2008-06-05 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Methods and systems for specifying a blood vessel sleeve
US8163003B2 (en) * 2006-06-16 2012-04-24 The Invention Science Fund I, Llc Active blood vessel sleeve methods and systems
US8550344B2 (en) * 2006-06-16 2013-10-08 The Invention Science Fund I, Llc Specialty stents with flow control features or the like
US8333686B2 (en) 2006-08-30 2012-12-18 Circulite, Inc. Cannula insertion devices, systems, and methods including a compressible member
CA2666881C (en) 2006-08-30 2015-03-24 Circulite, Inc. Devices, methods and systems for establishing supplemental blood flow in the circulatory system
US7905823B2 (en) 2006-08-30 2011-03-15 Circulite, Inc. Devices, methods and systems for establishing supplemental blood flow in the circulatory system
CA2663586C (en) 2006-09-14 2014-10-28 Circulite, Inc Intravascular blood pump and catheter
GB2449471B (en) * 2007-05-23 2011-01-12 Laerdal Medical As Cardiopulmonary bypass device
US9233223B2 (en) 2007-06-26 2016-01-12 Nordson Corporation Coaxial venal cannula
US8377036B2 (en) 2007-09-14 2013-02-19 Avalon Laboratories, Inc. Cannula reinforcing band and method
ES2400307T3 (es) 2007-07-19 2013-04-09 Circulite, Inc. Cánula para implantación en cámara cardiaca y sistemas y métodos relacionados
EP2190505A1 (en) * 2007-08-27 2010-06-02 Avalon Laboratories, Llc Introducer for cannula and method
US8343029B2 (en) 2007-10-24 2013-01-01 Circulite, Inc. Transseptal cannula, tip, delivery system, and method
EP2292282B1 (en) 2008-06-23 2017-11-15 Thoratec Corporation Blood pump apparatus
WO2010042546A1 (en) 2008-10-06 2010-04-15 Indiana University Research And Technology Corporation Methods and apparatus for active or passive assistance in the circulatory system
CN102239334B (zh) 2008-12-08 2015-03-04 胸腔科技有限公司 离心式泵装置
US8449444B2 (en) 2009-02-27 2013-05-28 Thoratec Corporation Blood flow meter
US20100222633A1 (en) * 2009-02-27 2010-09-02 Victor Poirier Blood pump system with controlled weaning
US8562507B2 (en) 2009-02-27 2013-10-22 Thoratec Corporation Prevention of aortic valve fusion
JP5378010B2 (ja) 2009-03-05 2013-12-25 ソラテック コーポレーション 遠心式ポンプ装置
US8770945B2 (en) 2009-03-06 2014-07-08 Thoratec Corporation Centrifugal pump apparatus
US8460168B2 (en) 2009-03-27 2013-06-11 Circulite, Inc. Transseptal cannula device, coaxial balloon delivery device, and methods of using the same
US10137229B2 (en) * 2009-05-11 2018-11-27 Mayo Foundation For Medical Education And Research Treating congestive heart failure
CN103153212B (zh) 2009-06-04 2016-08-03 卡迪欧嘉德医学公司 动脉装置、系统和方法
WO2011003043A1 (en) 2009-07-01 2011-01-06 The Penn State Research Foundation Blood pump with expandable cannula
EP3832861A1 (en) 2009-07-29 2021-06-09 Thoratec Corporation Rotation drive device and centrifugal pump device
AU2010315175A1 (en) * 2009-11-04 2012-05-17 Vadovations, Inc. Methods and devices for treating heart failure
JP5916632B2 (ja) 2010-02-11 2016-05-11 サーキュライト・インコーポレーテッド 循環系中に補助的な血流を確立するための装置、方法、およびシステム
US9750866B2 (en) 2010-02-11 2017-09-05 Circulite, Inc. Cannula lined with tissue in-growth material
JP5443197B2 (ja) 2010-02-16 2014-03-19 ソラテック コーポレーション 遠心式ポンプ装置
US9662431B2 (en) 2010-02-17 2017-05-30 Flow Forward Medical, Inc. Blood pump systems and methods
US9555174B2 (en) 2010-02-17 2017-01-31 Flow Forward Medical, Inc. Blood pump systems and methods
CA2790194C (en) * 2010-02-17 2021-02-23 Novita Therapeutics, Llc System and method to increase the overall diameter of veins
WO2011118325A1 (ja) 2010-03-26 2011-09-29 テルモ株式会社 遠心式血液ポンプ装置
DK3075402T3 (da) * 2010-05-26 2019-10-28 Abiomed Inc Anatomisk tilpasing af en perkutan vad til højre hjertestøtte
JP5898190B2 (ja) 2010-06-22 2016-04-06 ソラテック コーポレーション 流体送達システム及び流体送達システムを監視するための方法
US9089635B2 (en) 2010-06-22 2015-07-28 Thoratec Corporation Apparatus and method for modifying pressure-flow characteristics of a pump
JP5681403B2 (ja) 2010-07-12 2015-03-11 ソーラテック コーポレイション 遠心式ポンプ装置
AU2011299232A1 (en) 2010-09-07 2013-05-02 Paul A. Spence Cannula systems and methods
JP5577506B2 (ja) 2010-09-14 2014-08-27 ソーラテック コーポレイション 遠心式ポンプ装置
WO2012040551A1 (en) 2010-09-24 2012-03-29 Thoratec Corporation Generating artificial pulse
EP2618862B1 (en) 2010-09-24 2016-07-27 Thoratec Corporation Control of circulatory assist systems
US9775936B2 (en) 2010-10-18 2017-10-03 WorldHeart Corp. Blood pump with separate mixed-flow and axial-flow impeller stages, components therefor and related methods
US8597170B2 (en) 2011-01-05 2013-12-03 Thoratec Corporation Catheter pump
US8485961B2 (en) 2011-01-05 2013-07-16 Thoratec Corporation Impeller housing for percutaneous heart 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
EP2693609B1 (en) 2011-03-28 2017-05-03 Thoratec Corporation Rotation and drive device and centrifugal pump device using same
US10107022B2 (en) 2011-06-07 2018-10-23 Henniges Automotive Schlegel Canada, Inc. Draft guard for window assembly having seals and integral fins
US20120311934A1 (en) 2011-06-07 2012-12-13 Steven Robert Abramson Draft Guard
US8577693B2 (en) 2011-07-13 2013-11-05 The Invention Science Fund I, Llc Specialty stents with flow control features or the like
KR102260851B1 (ko) 2011-08-17 2021-06-08 아르티오 메디컬 인크. 환자의 말초 정맥의 전체 직경 및 루멘 직경을 증가시키기 위한 시스템
CA2845086C (en) 2011-08-17 2023-02-14 Novita Therapeutics, Llc Blood pump systems and methods
JP6083929B2 (ja) 2012-01-18 2017-02-22 ソーラテック コーポレイション 遠心式ポンプ装置
GB2504176A (en) 2012-05-14 2014-01-22 Thoratec Corp Collapsible impeller for catheter pump
DE102013008159A1 (de) 2012-05-14 2013-11-14 Thoratec Corporation Mantelsystem für Katheterpumpe
US8721517B2 (en) 2012-05-14 2014-05-13 Thoratec Corporation Impeller for catheter pump
US9872947B2 (en) 2012-05-14 2018-01-23 Tc1 Llc Sheath system for catheter pump
US9327067B2 (en) 2012-05-14 2016-05-03 Thoratec Corporation Impeller for catheter pump
US9446179B2 (en) 2012-05-14 2016-09-20 Thoratec Corporation Distal bearing support
EP4186557A1 (en) 2012-07-03 2023-05-31 Tc1 Llc Motor assembly for catheter pump
US9421311B2 (en) 2012-07-03 2016-08-23 Thoratec Corporation Motor assembly for catheter pump
US9358329B2 (en) 2012-07-03 2016-06-07 Thoratec Corporation Catheter pump
US10258730B2 (en) 2012-08-17 2019-04-16 Flow Forward Medical, Inc. Blood pump systems and methods
US9585991B2 (en) 2012-10-16 2017-03-07 Heartware, Inc. Devices, systems, and methods for facilitating flow from the heart to a blood pump
US9371826B2 (en) 2013-01-24 2016-06-21 Thoratec Corporation Impeller position compensation using field oriented control
US9556873B2 (en) 2013-02-27 2017-01-31 Tc1 Llc Startup sequence for centrifugal pump with levitated impeller
WO2014138146A2 (en) * 2013-03-07 2014-09-12 Circulite, Inc. Transseptal cannula, tip, delivery system, and method
CN107432762B (zh) 2013-03-08 2021-04-13 林弗洛公司 提供或维持通过身体通道的流体流的方法和系统
US11033728B2 (en) 2013-03-13 2021-06-15 Tc1 Llc Fluid handling system
EP3834876B1 (en) 2013-03-13 2022-09-14 Tc1 Llc Fluid handling system
US11077294B2 (en) 2013-03-13 2021-08-03 Tc1 Llc Sheath assembly for catheter pump
EP2968742B1 (en) 2013-03-15 2020-12-02 Tc1 Llc Catheter pump assembly including a stator
US9308302B2 (en) 2013-03-15 2016-04-12 Thoratec Corporation Catheter pump assembly including a stator
US10052420B2 (en) 2013-04-30 2018-08-21 Tc1 Llc Heart beat identification and pump speed synchronization
US9713663B2 (en) 2013-04-30 2017-07-25 Tc1 Llc Cardiac pump with speed adapted for ventricle unloading
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
US9968719B2 (en) 2013-07-30 2018-05-15 Heartware, Inc. Wire scaffold device for ventricular assist device
ES2532774B1 (es) * 2013-09-30 2016-01-08 Fundación Para La Investigación Biomédica Del Hospital Gregorio Marañón Dispositivo de asistencia ventricular
CN103629091B (zh) * 2013-12-03 2016-02-03 深圳市聚友缘电子科技有限公司 一种旋液泵
WO2015085094A1 (en) 2013-12-04 2015-06-11 Heartware, Inc. Apparatus and methods for cutting an atrial wall
US10363349B2 (en) 2014-04-15 2019-07-30 Tc1 Llp Heart pump providing adjustable outflow
US10583232B2 (en) 2014-04-15 2020-03-10 Tc1 Llc Catheter pump with off-set motor position
US10029037B2 (en) 2014-04-15 2018-07-24 Tc1 Llc Sensors for catheter pumps
EP4417244A3 (en) 2014-04-15 2024-10-16 Tc1 Llc Catheter pump introducer system
EP3131599B1 (en) 2014-04-15 2019-02-20 Tc1 Llc Catheter pump with access ports
US20170035987A1 (en) * 2014-04-24 2017-02-09 The Regents Of The University Of California Catheter for Portable Lung Assist Device
EP3583973A1 (en) 2014-08-18 2019-12-25 Tc1 Llc Guide features for percutaneous catheter pump
US9623161B2 (en) 2014-08-26 2017-04-18 Tc1 Llc Blood pump and method of suction detection
WO2016118784A1 (en) 2015-01-22 2016-07-28 Thoratec Corporation Attachment mechanisms for motor of catheter pump
US9675739B2 (en) 2015-01-22 2017-06-13 Tc1 Llc Motor assembly with heat exchanger for catheter pump
EP3247420B1 (en) 2015-01-22 2019-10-02 Tc1 Llc Reduced rotational mass motor assembly for catheter pump
WO2016130846A1 (en) 2015-02-11 2016-08-18 Thoratec Corporation Heart beat identification and pump speed synchronization
US10371152B2 (en) 2015-02-12 2019-08-06 Tc1 Llc Alternating pump gaps
US10166318B2 (en) 2015-02-12 2019-01-01 Tc1 Llc System and method for controlling the position of a levitated rotor
WO2016130989A1 (en) 2015-02-13 2016-08-18 Thoratec Corporation Impeller suspension mechanism for heart pump
US9907890B2 (en) 2015-04-16 2018-03-06 Tc1 Llc Catheter pump with positioning brace
US10117983B2 (en) 2015-11-16 2018-11-06 Tc1 Llc Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device
CN105597173B (zh) * 2016-02-02 2018-05-25 深圳市尚捷医疗科技有限公司 右心辅助装置
US10166319B2 (en) * 2016-04-11 2019-01-01 CorWave SA Implantable pump system having a coaxial ventricular cannula
US9968720B2 (en) 2016-04-11 2018-05-15 CorWave SA Implantable pump system having an undulating membrane
AU2017257508B2 (en) 2016-04-29 2021-10-14 Artio Medical, Inc. Conduit tips and systems and methods for use
US10722625B2 (en) 2016-05-17 2020-07-28 Abiomed, Inc. Corkscrew shape for right-sided cardiac device
EP3487550B1 (en) 2016-07-21 2022-09-28 Tc1 Llc Gas-filled chamber for catheter pump motor assembly
EP3804804A1 (en) 2016-07-21 2021-04-14 Tc1 Llc Fluid seals for catheter pump motor assembly
EP3509662B1 (en) 2016-09-06 2020-12-30 Heartware, Inc. Integrated sensors for intraventricular vad
AU2018242620B2 (en) 2017-03-31 2023-11-16 CorWave SA Implantable pump system having a rectangular membrane
EP4299086A3 (en) 2017-04-10 2024-05-08 LimFlow GmbH Devices for treating lower extremity vasculature
FR3073578B1 (fr) 2017-11-10 2019-12-13 Corwave Circulateur de fluide a membrane ondulante
US10188779B1 (en) 2017-11-29 2019-01-29 CorWave SA Implantable pump system having an undulating membrane with improved hydraulic performance
SG11202102500UA (en) 2018-10-09 2021-04-29 Limflow Gmbh Devices and methods for catheter alignment
WO2020081481A1 (en) * 2018-10-15 2020-04-23 The Cleveland Clinic Foundation Atrial assist device
WO2020115607A2 (en) 2018-12-05 2020-06-11 CorWave SA Apparatus and methods for coupling a blood pump to the heart
JP7208395B2 (ja) * 2018-12-19 2023-01-18 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 循環補助装置
US11484698B2 (en) 2019-07-09 2022-11-01 Boston Scientific Scimed, Inc. Circulatory support device
US10888644B2 (en) 2019-02-06 2021-01-12 inQB8 Medical Technologies, LLC Intra-cardiac left atrial and dual support systems
US10799625B2 (en) 2019-03-15 2020-10-13 CorWave SA Systems and methods for controlling an implantable blood pump
CN114929163B (zh) 2019-11-01 2026-04-03 林弗洛公司 用于增加对远侧四肢的血液灌注的装置和方法
EP4114504B1 (en) 2020-03-06 2026-04-08 CorWave SA Implantable blood pumps comprising a linear bearing
USD956220S1 (en) 2020-05-01 2022-06-28 Tau-Pnu Medical Co., Ltd. Transcatheter device
CA3250624A1 (en) 2022-04-26 2023-11-02 CorWave SA BLOOD PUMPS EQUIPPED WITH AN ENCAPSULATED ACTUATOR
US12257427B2 (en) 2022-11-15 2025-03-25 CorWave SA Implantable heart pump systems including an improved apical connector and/or graft connector
US12017059B2 (en) 2022-11-15 2024-06-25 CorWave SA Implantable heart pump systems including an improved apical connector and/or graft connector

Family Cites Families (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487784A (en) 1967-10-26 1970-01-06 Edson Howard Rafferty Pumps capable of use as heart pumps
US3626947A (en) 1970-02-19 1971-12-14 Charles Howard Sparks Method and apparatus for vein and artery reenforcement
US3995617A (en) 1972-05-31 1976-12-07 Watkins David H Heart assist method and catheter
US4118606A (en) * 1975-03-24 1978-10-03 Wallace Keith Larkin Acoustical voice transmitting headset
US4061134A (en) 1975-10-28 1977-12-06 Samuels Peter B Arterial graft device
US4118806A (en) 1976-02-04 1978-10-10 Thermo Electron Corporation Prosthetic blood vessel
US4086665A (en) 1976-12-16 1978-05-02 Thermo Electron Corporation Artificial blood conduit
US4173981A (en) 1977-05-23 1979-11-13 University Of Utah Cannula for arterial and venous bypass cannulation
US4704121A (en) 1983-09-28 1987-11-03 Nimbus, Inc. Anti-thrombogenic blood pump
US4625712A (en) 1983-09-28 1986-12-02 Nimbus, Inc. High-capacity intravascular blood pump utilizing percutaneous access
US4548597A (en) 1984-03-19 1985-10-22 Minnesota Mining And Manufacturing Company Dual catheter and method for separately withdrawing fluids from the human heart
US4769031A (en) 1986-06-25 1988-09-06 Mcgough Edwin C Ventricular access device and method
US4753221A (en) 1986-10-22 1988-06-28 Intravascular Surgical Instruments, Inc. Blood pumping catheter and method of use
US4817586A (en) 1987-11-24 1989-04-04 Nimbus Medical, Inc. Percutaneous bloom pump with mixed-flow output
US4846152A (en) 1987-11-24 1989-07-11 Nimbus Medical, Inc. Single-stage axial flow blood pump
US5061256A (en) 1987-12-07 1991-10-29 Johnson & Johnson Inflow cannula for intravascular blood pumps
DE3741832A1 (de) 1987-12-10 1989-06-22 Hoene Eberhard Mit dynamischem haubenventil bestueckte innere harnleiterschiene zur verhinderung von urin-rueckfluss in die oberen harnwege
US4906229A (en) 1988-05-03 1990-03-06 Nimbus Medical, Inc. High-frequency transvalvular axisymmetric blood pump
US4898518A (en) 1988-08-31 1990-02-06 Minnesota Mining & Manufacturing Company Shaft driven disposable centrifugal pump
US4964864A (en) 1988-09-27 1990-10-23 American Biomed, Inc. Heart assist 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
US4995857A (en) * 1989-04-07 1991-02-26 Arnold John R Left ventricular assist device and method for temporary and permanent procedures
US4927407A (en) 1989-06-19 1990-05-22 Regents Of The University Of Minnesota Cardiac assist pump with steady rate supply of fluid lubricant
US4955856A (en) 1989-06-30 1990-09-11 Phillips Steven J Method and apparatus for installing a ventricular assist device cannulae
US4985014A (en) 1989-07-11 1991-01-15 Orejola Wilmo C Ventricular venting loop
US5019105A (en) * 1989-08-03 1991-05-28 Biomet, Inc. Acetabular cup prosthesis assembly
US5021048A (en) * 1989-08-04 1991-06-04 Medtronic, Inc. Blood pump drive system
US5167223A (en) * 1989-09-08 1992-12-01 Tibor Koros Heart valve retractor and sternum spreader surgical instrument
JPH0636821B2 (ja) * 1990-03-08 1994-05-18 健二 山崎 体内埋設形の補助人工心臓
US5470208A (en) * 1990-10-05 1995-11-28 Kletschka; Harold D. Fluid pump with magnetically levitated impeller
US5295958A (en) 1991-04-04 1994-03-22 Shturman Cardiology Systems, Inc. Method and apparatus for in vivo heart valve decalcification
US5584803A (en) * 1991-07-16 1996-12-17 Heartport, Inc. System for cardiac procedures
US5449342A (en) 1991-09-30 1995-09-12 Nippon Zeon Co., Ltd. Apparatus for assisting blood circulation
US5376114A (en) 1992-10-30 1994-12-27 Jarvik; Robert Cannula pumps for temporary cardiac support and methods of their application and use
US5330451A (en) 1992-12-17 1994-07-19 Shelhigh, Inc. Multi purpose perfusion cannula
FR2701648B1 (fr) 1993-02-19 1995-03-31 Marian Devonec Prothèse destinée au traitement d'une lumière ou voie naturelle, notamment prothèse endo-uréthrale.
JPH06346917A (ja) 1993-06-03 1994-12-20 Shicoh Eng Co Ltd 一方向性動圧軸受を用いた耐圧防水シ−ル機構
US5531789A (en) 1993-12-24 1996-07-02 Sun Medical Technology Research Corporation Sealing system of an artificial internal organ
US5478309A (en) * 1994-05-27 1995-12-26 William P. Sweezer, Jr. Catheter system and method for providing cardiopulmonary bypass pump support during heart surgery
NL9401313A (nl) * 1994-08-15 1996-03-01 Doornes Transmissie Bv Continu variabele transmissie.
US5613935A (en) 1994-12-16 1997-03-25 Jarvik; Robert High reliability cardiac assist system
IL114517A0 (en) 1995-07-10 1995-11-27 R D C Rafael Dev Corp Ltd Heart assist system
DE69531399T2 (de) 1995-10-16 2004-06-09 Sun Medical Technology Research Corp., Suwa Kunstherz
US5695471A (en) 1996-02-20 1997-12-09 Kriton Medical, Inc. Sealless rotary blood pump with passive magnetic radial bearings and blood immersed axial bearings
US5727569A (en) * 1996-02-20 1998-03-17 Cardiothoracic Systems, Inc. Surgical devices for imposing a negative pressure to fix the position of cardiac tissue during surgery
US5647358A (en) 1996-03-20 1997-07-15 Vilasi; Joseph Expandable inter vivos tube
DE19613564C1 (de) 1996-04-04 1998-01-08 Guenter Prof Dr Rau Intravasale Blutpumpe
US5911685A (en) 1996-04-03 1999-06-15 Guidant Corporation Method and apparatus for cardiac blood flow assistance
US5746709A (en) 1996-04-25 1998-05-05 Medtronic, Inc. Intravascular pump and bypass assembly and method for using the same
US5947896A (en) * 1996-04-26 1999-09-07 United States Surgical Corporation Heart stabilizer apparatus and method for use
US6036640A (en) * 1996-04-29 2000-03-14 Medtronic, Inc. Device and method for repositioning the heart during surgery
US5688245A (en) 1996-05-02 1997-11-18 Runge; Thomas M. Cannula system for a biventricular cardiac support system or a cardiopulmonary bypass system
US5718678A (en) 1996-06-26 1998-02-17 Medical Components, Inc. Multi-lumen coaxial catheter and method for making same
US5741234A (en) * 1996-07-16 1998-04-21 Aboul-Hosn; Walid Nagib Anatomical cavity access sealing condit
US5851174A (en) 1996-09-17 1998-12-22 Robert Jarvik Cardiac support device
ES2227718T3 (es) 1996-10-04 2005-04-01 United States Surgical Corporation Sistema de apoyo circulatorio.
CA2206644A1 (en) 1997-05-30 1998-11-30 L. Conrad Pelletier Ventricular assist device comprising enclosed-impeller axial flow blood pump
US6532964B2 (en) * 1997-07-11 2003-03-18 A-Med Systems, Inc. Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures
US6709418B1 (en) * 1997-07-11 2004-03-23 A-Med Systems, Inc. Apparatus and methods for entering cavities of the body
US6123725A (en) * 1997-07-11 2000-09-26 A-Med Systems, Inc. Single port cardiac support apparatus
US6395026B1 (en) * 1998-05-15 2002-05-28 A-Med Systems, Inc. Apparatus and methods for beating heart bypass surgery
US6508777B1 (en) * 1998-05-08 2003-01-21 Cardeon Corporation Circulatory support system and method of use for isolated segmental perfusion
AU4690699A (en) * 1998-06-19 2000-01-05 A-Med Systems, Inc. Apparatus and methods for entering cavities of the body
DE69938002T2 (de) 1998-08-27 2009-01-15 A-Med Systems Inc., West Sacramento Vorrichtung zum intravaskularen anbringen einer kanüle sowie anwendungsverfahren
US6086570A (en) * 1998-09-29 2000-07-11 A-Med Systems, Inc. Hemostasis valve with membranes having offset apertures
US6113536A (en) * 1998-09-30 2000-09-05 A-Med Systems, Inc. Device and method of attaching a blood pump and tubes to a surgical retractor
WO2000019097A1 (en) 1998-09-30 2000-04-06 A-Med Systems, Inc. Blood pump system with magnetic cable drive
US6152704A (en) * 1998-09-30 2000-11-28 A-Med Systems, Inc. Blood pump with turbine drive
US6210133B1 (en) * 1998-09-30 2001-04-03 A-Med Systems, Inc. Blood pump with sterile motor housing
WO2000018448A2 (en) 1998-09-30 2000-04-06 A-Med Systems, Inc. Method and apparatus for preventing air embolisms
US6234960B1 (en) * 1998-09-30 2001-05-22 A-Med Systems, Inc. Heart stabilizer apparatus
US6210397B1 (en) * 1999-01-13 2001-04-03 A-Med Systems, Inc. Sealing cannula device
US6287319B1 (en) * 1999-03-30 2001-09-11 Amed Systems, Inc. Cannula with balloon tip
US6295877B1 (en) * 1999-03-30 2001-10-02 A-Med Systems, Inc. Pressure sensing cannula
WO2000069489A1 (en) 1999-05-18 2000-11-23 A-Med Systems, Inc. Supplemental port for catheter perfusion of surgical site
US20030205233A1 (en) * 1999-12-02 2003-11-06 A-Med Systems, Inc. Surgical drape and panel assembly
US6613008B2 (en) * 2000-06-13 2003-09-02 A-Med Systems, Inc. Integrated system for cardiopulmonary bypass and related methods
WO2002069813A2 (en) * 2001-02-05 2002-09-12 A-Med Systems, Inc. Anastomosis system and related methods
US6814713B2 (en) * 2001-04-25 2004-11-09 A-Med Systems, Inc. Systems for performing minimally invasive cardiac medical procedures

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US20020045795A1 (en) 2002-04-18
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US20050234288A1 (en) 2005-10-20
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EP1082150A4 (en) 2008-04-23
US20050228212A1 (en) 2005-10-13

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