WO2009050888A1 - 脈管ステント用の管状体形成エレメント及び脈管ステント - Google Patents

脈管ステント用の管状体形成エレメント及び脈管ステント Download PDF

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Publication number
WO2009050888A1
WO2009050888A1 PCT/JP2008/002923 JP2008002923W WO2009050888A1 WO 2009050888 A1 WO2009050888 A1 WO 2009050888A1 JP 2008002923 W JP2008002923 W JP 2008002923W WO 2009050888 A1 WO2009050888 A1 WO 2009050888A1
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WO
WIPO (PCT)
Prior art keywords
vascular stent
tube
forming element
strand
constituting
Prior art date
Application number
PCT/JP2008/002923
Other languages
English (en)
French (fr)
Inventor
Keiji Igaki
Original Assignee
Kabusikikaisha Kyoto Iryo Sekkei
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 Kabusikikaisha Kyoto Iryo Sekkei filed Critical Kabusikikaisha Kyoto Iryo Sekkei
Priority to KR1020107008181A priority Critical patent/KR101519866B1/ko
Priority to US12/682,496 priority patent/US20100298926A1/en
Priority to JP2009537921A priority patent/JP5384359B2/ja
Priority to EP08840775.4A priority patent/EP2201914B1/en
Publication of WO2009050888A1 publication Critical patent/WO2009050888A1/ja

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/148—Materials at least partially resorbable by the body
    • 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
    • A61F2/89—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
    • 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 sheet material 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 sheet material 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
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/04—Macromolecular materials
    • A61L31/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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 sheet material 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 sheet material 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
    • A61F2002/91575—Adjacent bands being connected to each other connected peak 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
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
    • 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
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0067—Means for introducing or releasing pharmaceutical products into the body

Abstract

　本発明は、生体の脈管内に植え込まれる中空状の管状体からなる脈管ステントを構成する管状体形成エレメント（４）であり、生分解性ポリマーからなる線条体（３）よりなる。線条体は、直線部分（３ａ）と屈曲部分（３ｂ）とが順次連続するように折り曲げられ、その端部（３ｃ）（３ｄ）が一連に連続されてリング状に形成されている。管状体形成エレメント（４）を構成する線条体（３）は、両端部（３ｃ）（３ｄ）間が、生分解性ポリマーからなる筒状の連結部材（５）により保持されて一連に連続される。
PCT/JP2008/002923 2007-10-16 2008-10-15 脈管ステント用の管状体形成エレメント及び脈管ステント WO2009050888A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020107008181A KR101519866B1 (ko) 2007-10-16 2008-10-15 맥관 스텐트용 관형체 형성 엘레멘트 및 맥관 스텐트
US12/682,496 US20100298926A1 (en) 2007-10-16 2008-10-15 Cylindrically-shaped element for luminal stent, and luminal stent
JP2009537921A JP5384359B2 (ja) 2007-10-16 2008-10-15 脈管ステント用の管状体形成エレメント及び脈管ステント
EP08840775.4A EP2201914B1 (en) 2007-10-16 2008-10-15 Tube-forming element for vascular stent and vascular stent

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-269339 2007-10-16
JP2007269339 2007-10-16

Publications (1)

Publication Number Publication Date
WO2009050888A1 true WO2009050888A1 (ja) 2009-04-23

Family

ID=40567175

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002923 WO2009050888A1 (ja) 2007-10-16 2008-10-15 脈管ステント用の管状体形成エレメント及び脈管ステント

Country Status (5)

Country Link
US (1) US20100298926A1 (ja)
EP (1) EP2201914B1 (ja)
JP (1) JP5384359B2 (ja)
KR (1) KR101519866B1 (ja)
WO (1) WO2009050888A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012057587A2 (ko) * 2010-10-29 2012-05-03 메디소스플러스(주) 스텐트와이어, 스텐트와이어 및 스텐트 제조방법
WO2017037847A1 (ja) 2015-08-31 2017-03-09 精電舎電子工業株式会社 熱カシメ装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8568471B2 (en) * 2010-01-30 2013-10-29 Abbott Cardiovascular Systems Inc. Crush recoverable polymer scaffolds
US8808353B2 (en) 2010-01-30 2014-08-19 Abbott Cardiovascular Systems Inc. Crush recoverable polymer scaffolds having a low crossing profile
US9345602B2 (en) 2010-09-23 2016-05-24 Abbott Cardiovascular Systems Inc. Processes for making crush recoverable polymer scaffolds
KR101021615B1 (ko) * 2010-10-29 2011-03-17 메디소스플러스(주) 스텐트 제조방법
US8726483B2 (en) 2011-07-29 2014-05-20 Abbott Cardiovascular Systems Inc. Methods for uniform crimping and deployment of a polymer scaffold
WO2014091438A2 (en) 2012-12-12 2014-06-19 Shalya Medical Technologies, (India) Pvt. Ltd An improved bioresorbable polymeric vascular stent device
US10675387B2 (en) * 2014-07-07 2020-06-09 Meril Life Sciences Pvt. Ltd. Multi stage radial deformation for manufacturing thin strut stent from bioabsorbable polymer
US20230138256A1 (en) 2020-03-12 2023-05-04 Jms Co., Ltd. Stent

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992015342A1 (en) 1991-03-08 1992-09-17 Keiji Igaki Stent for vessel, structure of holding said stent, and device for mounting said stent
JPH10286312A (ja) * 1997-04-11 1998-10-27 Ube Ind Ltd ステント
JPH1157018A (ja) 1997-08-01 1999-03-02 Schneider Usa Inc 生体吸収性の自己膨張性ステント
WO2000013737A1 (fr) 1998-09-08 2000-03-16 Kabushikikaisha Igaki Iryo Sekkei Stent pour vaisseaux
JP2003052834A (ja) * 2001-08-10 2003-02-25 Medicos Hirata:Kk 生体吸収性ステント及びその製造方法
JP2004033579A (ja) 2002-07-05 2004-02-05 Medicos Hirata:Kk 生体吸収性ステント及びその製造方法
JP2007244749A (ja) * 2006-03-17 2007-09-27 Igaki Iryo Sekkei:Kk 脈管用ステント

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US5817152A (en) * 1994-10-19 1998-10-06 Birdsall; Matthew Connected stent apparatus
DK174814B1 (da) * 1998-02-25 2003-12-01 Cook William Europ Stentaggregat
GB2347861B (en) * 1999-03-13 2003-11-26 Biointeractions Ltd Biocompatible endoprostheses
US8070792B2 (en) * 2000-09-22 2011-12-06 Boston Scientific Scimed, Inc. Stent
GB0206061D0 (en) * 2002-03-14 2002-04-24 Angiomed Ag Metal structure compatible with MRI imaging, and method of manufacturing such a structure
US7288111B1 (en) * 2002-03-26 2007-10-30 Thoratec Corporation Flexible stent and method of making the same
WO2006051912A1 (ja) * 2004-11-12 2006-05-18 Kabushikikaisha Igaki Iryo Sekkei 脈管用ステント
US8585753B2 (en) * 2006-03-04 2013-11-19 John James Scanlon Fibrillated biodegradable prosthesis

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992015342A1 (en) 1991-03-08 1992-09-17 Keiji Igaki Stent for vessel, structure of holding said stent, and device for mounting said stent
JPH10286312A (ja) * 1997-04-11 1998-10-27 Ube Ind Ltd ステント
JPH1157018A (ja) 1997-08-01 1999-03-02 Schneider Usa Inc 生体吸収性の自己膨張性ステント
WO2000013737A1 (fr) 1998-09-08 2000-03-16 Kabushikikaisha Igaki Iryo Sekkei Stent pour vaisseaux
JP2003052834A (ja) * 2001-08-10 2003-02-25 Medicos Hirata:Kk 生体吸収性ステント及びその製造方法
JP2004033579A (ja) 2002-07-05 2004-02-05 Medicos Hirata:Kk 生体吸収性ステント及びその製造方法
JP2007244749A (ja) * 2006-03-17 2007-09-27 Igaki Iryo Sekkei:Kk 脈管用ステント

Non-Patent Citations (1)

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Title
See also references of EP2201914A4

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012057587A2 (ko) * 2010-10-29 2012-05-03 메디소스플러스(주) 스텐트와이어, 스텐트와이어 및 스텐트 제조방법
WO2012057587A3 (ko) * 2010-10-29 2012-08-30 메디소스플러스(주) 스텐트와이어, 스텐트와이어 및 스텐트 제조방법
WO2017037847A1 (ja) 2015-08-31 2017-03-09 精電舎電子工業株式会社 熱カシメ装置
US10343341B2 (en) 2015-08-31 2019-07-09 Seidensha Electronics Co., Ltd. Thermal caulking device

Also Published As

Publication number Publication date
EP2201914A1 (en) 2010-06-30
KR20100083787A (ko) 2010-07-22
US20100298926A1 (en) 2010-11-25
EP2201914A4 (en) 2017-11-15
EP2201914B1 (en) 2018-12-05
JP5384359B2 (ja) 2014-01-08
KR101519866B1 (ko) 2015-05-13
JPWO2009050888A1 (ja) 2011-02-24

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