IN2014DN10863A - - Google Patents

Info

Publication number
IN2014DN10863A
IN2014DN10863A IN10863DEN2014A IN2014DN10863A IN 2014DN10863 A IN2014DN10863 A IN 2014DN10863A IN 10863DEN2014 A IN10863DEN2014 A IN 10863DEN2014A IN 2014DN10863 A IN2014DN10863 A IN 2014DN10863A
Authority
IN
India
Prior art keywords
struts
proximal
distal
strut ends
cage
Prior art date
Application number
Other languages
English (en)
Inventor
Dennis A Peiffer
Brian Joseph Tischler
Timothy J Ley
Christopher J Clark
Thyna M Chau
Original Assignee
Boston Scient Scimed 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
Application filed by Boston Scient Scimed Inc filed Critical Boston Scient Scimed Inc
Publication of IN2014DN10863A publication Critical patent/IN2014DN10863A/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12122Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder within the heart
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12168Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
    • A61B17/12172Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure having a pre-set deployed three-dimensional shape
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12168Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
    • A61B17/12177Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure comprising additional materials, e.g. thrombogenic, having filaments, having fibers or being coated
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00526Methods of manufacturing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • A61B2017/00893Material properties pharmaceutically effective
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B2017/1205Introduction devices
    • A61B2017/12054Details concerning the detachment of the occluding device from the introduction device
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B2017/1205Introduction devices
    • A61B2017/12054Details concerning the detachment of the occluding device from the introduction device
    • A61B2017/12095Threaded connection

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)
IN10863DEN2014 2012-07-13 2013-07-11 IN2014DN10863A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261671433P 2012-07-13 2012-07-13
PCT/US2013/050060 WO2014011865A1 (en) 2012-07-13 2013-07-11 Occlusion device for an atrial appendage

Publications (1)

Publication Number Publication Date
IN2014DN10863A true IN2014DN10863A (ja) 2015-09-11

Family

ID=48856996

Family Applications (1)

Application Number Title Priority Date Filing Date
IN10863DEN2014 IN2014DN10863A (ja) 2012-07-13 2013-07-11

Country Status (8)

Country Link
US (1) US20140018841A1 (ja)
EP (3) EP2872051B1 (ja)
JP (1) JP6133983B2 (ja)
CN (2) CN104768476B (ja)
CA (1) CA2878167C (ja)
ES (1) ES2626878T3 (ja)
IN (1) IN2014DN10863A (ja)
WO (1) WO2014011865A1 (ja)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008151204A1 (en) 2007-06-04 2008-12-11 Sequent Medical Inc. Methods and devices for treatment of vascular defects
US9597087B2 (en) 2008-05-02 2017-03-21 Sequent Medical, Inc. Filamentary devices for treatment of vascular defects
US20180049731A1 (en) * 2010-04-29 2018-02-22 Muffin Incorporated Closing device for tissue openings
US10568628B2 (en) 2017-05-23 2020-02-25 Muffin Incorporated Closing device for tissue openings
US9744033B2 (en) 2011-04-01 2017-08-29 W.L. Gore & Associates, Inc. Elastomeric leaflet for prosthetic heart valves
US9554806B2 (en) 2011-09-16 2017-01-31 W. L. Gore & Associates, Inc. Occlusive devices
US10959715B2 (en) 2012-10-31 2021-03-30 W. L. Gore & Associates, Inc. Devices and methods related to deposited support structures
US10675012B2 (en) 2012-11-16 2020-06-09 W. L. Gore & Associates, Inc. Joint assembly for medical devices
US11744594B2 (en) * 2012-11-16 2023-09-05 W.L. Gore & Associates, Inc. Space filling devices
US11399842B2 (en) 2013-03-13 2022-08-02 Conformal Medical, Inc. Devices and methods for excluding the left atrial appendage
JP6423851B2 (ja) 2013-03-13 2018-11-14 アーロン・ヴィ・カプラン 左心耳に空置術を行うためのデバイス
US10617425B2 (en) 2014-03-10 2020-04-14 Conformal Medical, Inc. Devices and methods for excluding the left atrial appendage
US11911258B2 (en) * 2013-06-26 2024-02-27 W. L. Gore & Associates, Inc. Space filling devices
US9955976B2 (en) 2013-08-16 2018-05-01 Sequent Medical, Inc. Filamentary devices for treatment of vascular defects
US9078658B2 (en) 2013-08-16 2015-07-14 Sequent Medical, Inc. Filamentary devices for treatment of vascular defects
US9730701B2 (en) 2014-01-16 2017-08-15 Boston Scientific Scimed, Inc. Retrieval wire centering device
US9629635B2 (en) 2014-04-14 2017-04-25 Sequent Medical, Inc. Devices for therapeutic vascular procedures
WO2016038174A2 (en) * 2014-09-12 2016-03-17 Carag Ag Occluder
CN105796148B (zh) 2014-12-31 2018-06-05 先健科技(深圳)有限公司 左心耳封堵器
CA2986047C (en) 2015-05-14 2020-11-10 W. L. Gore & Associates, Inc. Devices and methods for occlusion of an atrial appendage
EP3310264A1 (en) * 2015-06-19 2018-04-25 Koninklijke Philips N.V. Implantable medical device and system to heat tissue
CN105054985B (zh) * 2015-07-28 2018-05-01 杭州诺茂医疗科技有限公司 一种改进的左心耳封堵器
EP3359771B1 (en) 2015-12-16 2021-06-02 Halliburton Energy Services, Inc. Electrical impedance tomography using a switchable array
CN106923884B (zh) * 2015-12-31 2018-12-21 先健科技(深圳)有限公司 左心耳封堵器
US11389283B2 (en) * 2016-05-11 2022-07-19 W. L. Gore & Associates, Inc. Filter and occluder systems and associated methods and devices
CN106994030B (zh) * 2016-06-15 2020-03-10 先健科技(深圳)有限公司 左心耳封堵器
EP4129210A1 (en) 2016-07-22 2023-02-08 Cornell University Left atrial appendage occluder device
US10828152B2 (en) 2016-08-11 2020-11-10 4C Medical Technologies, Inc. Heart chamber prosthetic valve implant with base, spring and dome sections with single chamber anchoring for preservation, supplementation and/or replacement of native valve function
CN106333725A (zh) * 2016-09-27 2017-01-18 张雯 一种左心耳封堵器以及左心耳封堵装置
US11426172B2 (en) 2016-10-27 2022-08-30 Conformal Medical, Inc. Devices and methods for excluding the left atrial appendage
EP3531926A2 (en) 2016-10-27 2019-09-04 Conformal Medical, Inc. Devices and methods for excluding the left atrial appendage
WO2018089311A1 (en) 2016-11-08 2018-05-17 Cardiac Pacemakers, Inc Implantable medical device for atrial deployment
US10653523B2 (en) 2017-01-19 2020-05-19 4C Medical Technologies, Inc. Systems, methods and devices for delivery systems, methods and devices for implanting prosthetic heart valves
US10561495B2 (en) 2017-01-24 2020-02-18 4C Medical Technologies, Inc. Systems, methods and devices for two-step delivery and implantation of prosthetic heart valve
CN106691521B (zh) * 2017-02-08 2023-08-04 宁波迪创医疗科技有限公司 一种封堵器
CN107049373B (zh) * 2017-02-08 2023-09-26 宁波迪创医疗科技有限公司 封堵器
EP3600068B1 (en) * 2017-03-24 2024-01-24 Microvention, Inc. Devices for embolization of body structures
CN106955135A (zh) * 2017-04-07 2017-07-18 上海申淇医疗科技有限公司 一种封堵器阻流膜及其制造方法
CN110831520B (zh) 2017-04-27 2022-11-15 波士顿科学国际有限公司 具有织物保持倒钩的闭塞医疗装置
CN108938034A (zh) * 2017-05-23 2018-12-07 杭州诺茂医疗科技有限公司 一种改进密封效果的左心耳封堵器及其制备方法
CN109419548A (zh) * 2017-08-21 2019-03-05 上海普实医疗器械科技有限公司 左心耳封堵器及其制造方法
EP3459469A1 (en) 2017-09-23 2019-03-27 Universität Zürich Medical occluder device
US11173023B2 (en) 2017-10-16 2021-11-16 W. L. Gore & Associates, Inc. Medical devices and anchors therefor
WO2019084358A1 (en) * 2017-10-27 2019-05-02 Boston Scientific Scimed, Inc. OCCLUSIVE MEDICAL DEVICE WITH DAMPING ASSEMBLY
US11191547B2 (en) 2018-01-26 2021-12-07 Syntheon 2.0, LLC Left atrial appendage clipping device and methods for clipping the LAA
US11284902B2 (en) 2018-02-01 2022-03-29 Boston Scientific Scimed, Inc. Method of making a vascular occlusion device
WO2019161072A1 (en) 2018-02-14 2019-08-22 Boston Scientific Scimed, Inc. Occlusive medical device
US11241239B2 (en) 2018-05-15 2022-02-08 Boston Scientific Scimed, Inc. Occlusive medical device with charged polymer coating
EP3801300A1 (en) 2018-06-08 2021-04-14 Boston Scientific Scimed, Inc. Medical device with occlusive member
US11596533B2 (en) 2018-08-21 2023-03-07 Boston Scientific Scimed, Inc. Projecting member with barb for cardiovascular devices
US11857441B2 (en) 2018-09-04 2024-01-02 4C Medical Technologies, Inc. Stent loading device
JP2022519720A (ja) 2019-02-08 2022-03-24 コンフォーマル・メディカル・インコーポレイテッド 左心耳を排除するためのデバイスおよび方法
US11317921B2 (en) 2019-03-15 2022-05-03 Sequent Medical, Inc. Filamentary devices for treatment of vascular defects
EP3908208A4 (en) 2019-03-15 2022-10-19 Sequent Medical, Inc. FILAMENTARY DEVICES WITH A FLEXIBLE JOINT FOR THE TREATMENT OF VASCULAR ABNORMALITIES
WO2020190620A1 (en) 2019-03-15 2020-09-24 Sequent Medical, Inc. Filamentary devices for treatment of vascular defects
WO2020198259A1 (en) 2019-03-25 2020-10-01 Laminar, Inc. Devices and systems for treating the left atrial appendage
CN110522486B (zh) * 2019-04-22 2021-04-09 上海佐心医疗科技有限公司 用于左心耳的封堵支架
US10925615B2 (en) 2019-05-03 2021-02-23 Syntheon 2.0, LLC Recapturable left atrial appendage clipping device and methods for recapturing a left atrial appendage clip
CN114126540A (zh) 2019-07-17 2022-03-01 波士顿科学医学有限公司 连续覆盖的左心耳植入物
US11540838B2 (en) 2019-08-30 2023-01-03 Boston Scientific Scimed, Inc. Left atrial appendage implant with sealing disk
CN114641242A (zh) 2019-09-26 2022-06-17 苏黎世大学 左心耳闭塞装置
CA3161288A1 (en) * 2019-12-27 2021-07-01 Lifetech Scientific (Shenzhen) Co., Ltd. Left atrial appendage occluder and occluding system
US11931253B2 (en) 2020-01-31 2024-03-19 4C Medical Technologies, Inc. Prosthetic heart valve delivery system: ball-slide attachment
US11992403B2 (en) 2020-03-06 2024-05-28 4C Medical Technologies, Inc. Devices, systems and methods for improving recapture of prosthetic heart valve device with stent frame having valve support with inwardly stent cells
US11903589B2 (en) 2020-03-24 2024-02-20 Boston Scientific Scimed, Inc. Medical system for treating a left atrial appendage
US20220338877A1 (en) * 2021-04-27 2022-10-27 Boston Scientific Scimed, Inc. Left atrial appendage implant

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509899A (en) 1994-09-22 1996-04-23 Boston Scientific Corp. Medical device with lubricious coating
US6443972B1 (en) * 1997-11-19 2002-09-03 Cordis Europa N.V. Vascular filter
US7044134B2 (en) * 1999-11-08 2006-05-16 Ev3 Sunnyvale, Inc Method of implanting a device in the left atrial appendage
US6152144A (en) * 1998-11-06 2000-11-28 Appriva Medical, Inc. Method and device for left atrial appendage occlusion
US6673053B2 (en) 1999-05-07 2004-01-06 Scimed Life Systems, Inc. Hydrophilic lubricity coating for medical devices comprising an antiblock agent
US6730119B1 (en) * 2000-10-06 2004-05-04 Board Of Regents Of The University Of Texas System Percutaneous implantation of partially covered stents in aneurysmally dilated arterial segments with subsequent embolization and obliteration of the aneurysm cavity
US20030032976A1 (en) * 2001-05-21 2003-02-13 Boucek Mark M. Catheter deployed partial occlusion devices and methods
US20040111147A1 (en) * 2002-12-03 2004-06-10 Rabkin Dmitry J. Temporary, repositionable or retrievable intraluminal devices
CA2474324C (en) * 2002-01-25 2011-09-20 Atritech, Inc. Atrial appendage blood filtration systems
US7001369B2 (en) 2003-03-27 2006-02-21 Scimed Life Systems, Inc. Medical device
US7597704B2 (en) * 2003-04-28 2009-10-06 Atritech, Inc. Left atrial appendage occlusion device with active expansion
US7288084B2 (en) 2003-04-28 2007-10-30 Boston Scientific Scimed, Inc. Drug-loaded medical device
US7544381B2 (en) 2003-09-09 2009-06-09 Boston Scientific Scimed, Inc. Lubricious coatings for medical device
EP2856949B2 (en) * 2004-04-08 2019-09-11 Aga Medical Corporation Flanged occlusion devices
US7914809B2 (en) 2005-08-26 2011-03-29 Boston Scientific Scimed, Inc. Lubricious composites for medical devices
CA2627408A1 (en) * 2005-11-11 2007-05-18 Occlutech Gmbh Occlusion instrument for closing a cardiac auricle and a method for producing such an occlusion instrument
US8870913B2 (en) * 2006-03-31 2014-10-28 W.L. Gore & Associates, Inc. Catch system with locking cap for patent foramen ovale (PFO) occluder
JP2010503482A (ja) 2006-09-18 2010-02-04 ボストン サイエンティフィック リミテッド 内部人工器官
WO2008036554A2 (en) 2006-09-18 2008-03-27 Boston Scientific Limited Endoprostheses
ES2353827T3 (es) * 2006-11-20 2011-03-07 Septrx, Inc. Dispositivo para la prevención del paso no deseado de émbolos desde un depósito sanguíneo venoso a un depósito sanguíneo arterial.
EP2263605A1 (en) * 2006-11-20 2010-12-22 SeptRx, Inc. Device and method for preventing the undesired passage of emboli from a venous blood pool to an arterial blood pool
WO2008151204A1 (en) * 2007-06-04 2008-12-11 Sequent Medical Inc. Methods and devices for treatment of vascular defects
US20090028785A1 (en) 2007-07-23 2009-01-29 Boston Scientific Scimed, Inc. Medical devices with coatings for delivery of a therapeutic agent
EP2200674A2 (en) 2007-09-10 2010-06-30 Boston Scientific Scimed, Inc. Medical devices with triggerable bioadhesive material
US9414842B2 (en) * 2007-10-12 2016-08-16 St. Jude Medical, Cardiology Division, Inc. Multi-component vascular device
US10123803B2 (en) * 2007-10-17 2018-11-13 Covidien Lp Methods of managing neurovascular obstructions
US8187222B2 (en) 2008-09-12 2012-05-29 Boston Scientific Scimed, Inc. Devices and systems for delivery of therapeutic agents to body lumens
US20100087783A1 (en) 2008-10-07 2010-04-08 Boston Scientific Scimed, Inc. Medical devices for delivery of therapeutic agents to body lumens
US20110054515A1 (en) * 2009-08-25 2011-03-03 John Bridgeman Device and method for occluding the left atrial appendage
CN102639181A (zh) * 2009-11-05 2012-08-15 斯昆特医疗公司 多层长丝装置或血管缺损的治疗
CN201814682U (zh) * 2010-09-16 2011-05-04 先健科技(深圳)有限公司 封堵器
US20120095396A1 (en) 2010-10-18 2012-04-19 Boston Scientific Scimed, Inc. Drug Eluting Medical Device Utilizing Bioadhesives
CN202143640U (zh) * 2011-06-01 2012-02-15 先健科技(深圳)有限公司 左心耳封堵器
WO2013071115A1 (en) * 2011-11-09 2013-05-16 Boston Scientific Scimed, Inc. Occlusion device

Also Published As

Publication number Publication date
CA2878167A1 (en) 2014-01-16
CN110115608A (zh) 2019-08-13
CA2878167C (en) 2018-03-13
EP2872051A1 (en) 2015-05-20
CN110115608B (zh) 2023-03-24
EP3213695A3 (en) 2017-11-08
CN104768476A (zh) 2015-07-08
JP2015522360A (ja) 2015-08-06
EP2872051B1 (en) 2017-03-29
US20140018841A1 (en) 2014-01-16
EP3213695B1 (en) 2021-05-05
WO2014011865A8 (en) 2014-03-06
EP3900648A1 (en) 2021-10-27
EP3213695A2 (en) 2017-09-06
CN104768476B (zh) 2019-05-31
WO2014011865A1 (en) 2014-01-16
ES2626878T3 (es) 2017-07-26
JP6133983B2 (ja) 2017-05-24

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