CA2956511C - Flexible stent - Google Patents

Flexible stent Download PDF

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Publication number
CA2956511C
CA2956511C CA2956511A CA2956511A CA2956511C CA 2956511 C CA2956511 C CA 2956511C CA 2956511 A CA2956511 A CA 2956511A CA 2956511 A CA2956511 A CA 2956511A CA 2956511 C CA2956511 C CA 2956511C
Authority
CA
Canada
Prior art keywords
stent
connection element
leg portion
axial direction
flexible stent
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.)
Active
Application number
CA2956511A
Other languages
English (en)
French (fr)
Other versions
CA2956511A1 (en
Inventor
Yasuhiro Shobayashi
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.)
Japan Medical Start Up Incubation Program
Original Assignee
World Medish Technology Co Ltd
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 World Medish Technology Co Ltd filed Critical World Medish Technology Co Ltd
Publication of CA2956511A1 publication Critical patent/CA2956511A1/en
Application granted granted Critical
Publication of CA2956511C publication Critical patent/CA2956511C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • 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
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91533—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
    • A61F2002/91541—Adjacent bands are arranged out of phase
    • 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
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/9155—Adjacent bands being connected to each other
    • A61F2002/91566—Adjacent bands being connected to each other connected trough to trough
    • 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
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/9155—Adjacent bands being connected to each other
    • A61F2002/91583—Adjacent bands being connected to each other by a bridge, whereby at least one of its ends is connected along the length of a strut between two consecutive apices within a band
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017—Angular shapes
    • A61F2230/0023—Angular shapes triangular
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/0054—V-shaped
    • 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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0037—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in height or in length

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Prostheses (AREA)
CA2956511A 2014-03-25 2014-03-26 Flexible stent Active CA2956511C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014-061130 2014-03-25
JP2014061130A JP6081948B2 (ja) 2014-03-25 2014-03-25 柔軟性ステント
PCT/JP2014/058415 WO2015145596A1 (ja) 2014-03-25 2014-03-26 柔軟性ステント

Publications (2)

Publication Number Publication Date
CA2956511A1 CA2956511A1 (en) 2015-10-01
CA2956511C true CA2956511C (en) 2018-11-06

Family

ID=54194194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2956511A Active CA2956511C (en) 2014-03-25 2014-03-26 Flexible stent

Country Status (8)

Country Link
US (1) US10420660B2 (2)
EP (1) EP3123983B1 (2)
JP (1) JP6081948B2 (2)
CN (1) CN105142580B (2)
AU (1) AU2014388753B2 (2)
CA (1) CA2956511C (2)
ES (1) ES2874058T3 (2)
WO (1) WO2015145596A1 (2)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10500078B2 (en) 2018-03-09 2019-12-10 Vesper Medical, Inc. Implantable stent
US11986408B2 (en) 2020-07-24 2024-05-21 Medtronic Vascular, Inc. Stent with mid-crowns
US11998464B2 (en) 2020-07-24 2024-06-04 Medtronic Vascular, Inc. Stent with angled struts and crowns
NZ786736A (en) * 2020-08-12 2022-07-29 Yasuhiro Shobayashi Stent
EP4582128A4 (en) * 2022-10-14 2025-12-31 Bolt Medical Inc DISTAL STABILIZER

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6287336B1 (en) * 1995-10-16 2001-09-11 Medtronic, Inc. Variable flexibility stent
US5776161A (en) * 1995-10-16 1998-07-07 Instent, Inc. Medical stents, apparatus and method for making same
US6334871B1 (en) * 1996-03-13 2002-01-01 Medtronic, Inc. Radiopaque stent markers
US20020058990A1 (en) * 2000-09-23 2002-05-16 Jang G. David Intravascular stent consists of stairstep expansion strut pairs and double stairstep diagonal connecting struts contralaterally extended from expansion struts
US20040106985A1 (en) * 1996-04-26 2004-06-03 Jang G. David Intravascular stent
US6033433A (en) * 1997-04-25 2000-03-07 Scimed Life Systems, Inc. Stent configurations including spirals
US6451049B2 (en) * 1998-04-29 2002-09-17 Sorin Biomedica Cardio, S.P.A. Stents for angioplasty
IT1292295B1 (it) * 1997-04-29 1999-01-29 Sorin Biomedica Cardio Spa Stent per angioplastica
US6261319B1 (en) 1998-07-08 2001-07-17 Scimed Life Systems, Inc. Stent
US6042597A (en) * 1998-10-23 2000-03-28 Scimed Life Systems, Inc. Helical stent design
US6730116B1 (en) * 1999-04-16 2004-05-04 Medtronic, Inc. Medical device for intraluminal endovascular stenting
US6331189B1 (en) * 1999-10-18 2001-12-18 Medtronic, Inc. Flexible medical stent
DE19951611A1 (de) * 1999-10-26 2001-05-10 Biotronik Mess & Therapieg Stent mit geschlossener Struktur
US20020045934A1 (en) * 2000-09-25 2002-04-18 Jang G. David Intravascular stent apparatus
US7766956B2 (en) * 2000-09-22 2010-08-03 Boston Scientific Scimed, Inc. Intravascular stent and assembly
ATE456333T1 (de) * 2000-09-22 2010-02-15 Boston Scient Scimed Inc Intravaskulärer stent
WO2002024113A2 (en) * 2000-09-23 2002-03-28 Jang G David Intravascular stent
DE10050970A1 (de) * 2000-10-10 2002-04-11 Biotronik Mess & Therapieg Stent
US6485508B1 (en) * 2000-10-13 2002-11-26 Mcguinness Colm P. Low profile stent
EP1341482B2 (en) * 2000-12-11 2016-05-18 OrbusNeich Medical, Inc. Stent having helical elements
IL157276A0 (en) * 2001-02-09 2004-02-19 Orbus Medical Technologies Inc Crimpable intraluminal endoprosthesis having helical elements
US6740114B2 (en) * 2001-03-01 2004-05-25 Cordis Corporation Flexible stent
JP2003250906A (ja) * 2002-03-05 2003-09-09 Nec Tokin Corp ステント
DE10261822A1 (de) * 2002-12-20 2004-07-01 Biotronik Meß- und Therapiegeräte GmbH & Co. Ingenieurbüro Berlin Helix-Steg-Verbindung
US20050080479A1 (en) * 2003-09-29 2005-04-14 Feng James Q. Expandable endovascular stent
US7651524B2 (en) * 2005-03-30 2010-01-26 Terumo Kabushiki Kaisha Flexible stent
US7404823B2 (en) 2005-10-31 2008-07-29 Boston Scientific Scimed, Inc. Stent configurations
US20080077231A1 (en) * 2006-07-06 2008-03-27 Prescient Medical, Inc. Expandable vascular endoluminal prostheses
US8974514B2 (en) 2007-03-13 2015-03-10 Abbott Cardiovascular Systems Inc. Intravascular stent with integrated link and ring strut
FR2913680B1 (fr) * 2007-03-14 2009-07-03 Commissariat Energie Atomique Synthese d'un compose limpo4 et utilisation comme materiau d'electrode dans un accumulateur au lithium
US20080319528A1 (en) * 2007-06-25 2008-12-25 Abbott Laboratories Modular endoprosthesis with flexible interconnectors between modules
US9144508B2 (en) * 2007-07-19 2015-09-29 Back Bay Medical Inc. Radially expandable stent
JP5401148B2 (ja) 2009-03-31 2014-01-29 テルモ株式会社 生体内留置用ステントおよび生体器官拡張器具
KR101314224B1 (ko) * 2009-04-24 2013-10-04 플렉서블 스텐딩 솔루션즈 인크 플렉서블 장치
EP2266508A1 (de) * 2009-06-25 2010-12-29 Biotronik VI Patent AG Stent mit verbessertem Stentdesign
US8961590B2 (en) * 2010-08-02 2015-02-24 Cordis Corporation Flexible helical stent having different helical regions
MX2013001441A (es) * 2010-08-02 2013-03-12 Cordis Corp Stent helicoidal flexible con caracteristica estructural intermedia.
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US20130178928A1 (en) * 2010-09-13 2013-07-11 Rajnikant Gandalal Vyas Stents with low strut thickness and variable strut geometry
DE102011115902B4 (de) * 2010-12-22 2021-07-01 Bentley Innomed Gmbh Stent-Graft und dessen Verwendung
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US10758384B2 (en) * 2016-07-13 2020-09-01 Cook Medical Technologies Llc Stent having reduced foreshortening

Also Published As

Publication number Publication date
US20170100268A1 (en) 2017-04-13
EP3123983A1 (en) 2017-02-01
AU2014388753A1 (en) 2016-11-10
JP2015181746A (ja) 2015-10-22
WO2015145596A1 (ja) 2015-10-01
AU2014388753B2 (en) 2017-07-13
EP3123983B1 (en) 2021-05-12
CN105142580A (zh) 2015-12-09
ES2874058T3 (es) 2021-11-04
CA2956511A1 (en) 2015-10-01
CN105142580B (zh) 2017-03-15
JP6081948B2 (ja) 2017-02-15
US10420660B2 (en) 2019-09-24
EP3123983A4 (en) 2017-08-23

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