WO2008096512A1 - ステント - Google Patents

ステント Download PDF

Info

Publication number
WO2008096512A1
WO2008096512A1 PCT/JP2007/074786 JP2007074786W WO2008096512A1 WO 2008096512 A1 WO2008096512 A1 WO 2008096512A1 JP 2007074786 W JP2007074786 W JP 2007074786W WO 2008096512 A1 WO2008096512 A1 WO 2008096512A1
Authority
WO
WIPO (PCT)
Prior art keywords
stent
circular
peripheral direction
units
folded part
Prior art date
Application number
PCT/JP2007/074786
Other languages
English (en)
French (fr)
Inventor
Hiroyuki Asano
Original Assignee
Piolax Medical Devices, 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 Piolax Medical Devices, Inc. filed Critical Piolax Medical Devices, Inc.
Priority to EP07860015.2A priority Critical patent/EP2110103A4/en
Priority to US12/449,455 priority patent/US8052740B2/en
Priority to CN200780051091XA priority patent/CN101621974B/zh
Priority to KR1020097016536A priority patent/KR101250555B1/ko
Priority to JP2008557013A priority patent/JP4950228B2/ja
Publication of WO2008096512A1 publication Critical patent/WO2008096512A1/ja

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 sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • 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
    • 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
    • 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
    • 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
    • A61F2/852—Two or more distinct overlapping stents
    • 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
    • A61F2/856—Single tubular stent with a side portal passage
    • 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
    • A61F2002/91558—Adjacent bands being connected to each other connected peak to peak
    • 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
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0013—Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-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
    • A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
    • A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Labeling Devices (AREA)

Abstract

　管状器官の閉塞又は縮径した部分の奥方まで確実に留置して拡張力を発揮させ、柔軟性も維持できるステントを提供する。 　このステント１は、ジグザグ状に折り返しながら周方向に伸びて環状に連結された線状部分１１で構成される複数の環状ユニット１０、２０と、これらの環状ユニットの隣接するものどうしを軸方向に連結する連結部４０とを有している。そして、所定の環状ユニット２０は、周方向の所定位置にある前記線状部分１１の折り返し部１３から次の折り返し部１３に至る途中に固着されたＸ線不透過性のマーカー３０を有している。
PCT/JP2007/074786 2007-02-09 2007-12-25 ステント WO2008096512A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP07860015.2A EP2110103A4 (en) 2007-02-09 2007-12-25 STENT
US12/449,455 US8052740B2 (en) 2007-02-09 2007-12-25 Stent including a marker fitted to a frame portion
CN200780051091XA CN101621974B (zh) 2007-02-09 2007-12-25 支架
KR1020097016536A KR101250555B1 (ko) 2007-02-09 2007-12-25 스텐트
JP2008557013A JP4950228B2 (ja) 2007-02-09 2007-12-25 ステント

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007030716 2007-02-09
JP2007-030716 2007-02-09

Publications (1)

Publication Number Publication Date
WO2008096512A1 true WO2008096512A1 (ja) 2008-08-14

Family

ID=39681427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074786 WO2008096512A1 (ja) 2007-02-09 2007-12-25 ステント

Country Status (6)

Country Link
US (1) US8052740B2 (ja)
EP (1) EP2110103A4 (ja)
JP (1) JP4950228B2 (ja)
KR (1) KR101250555B1 (ja)
CN (1) CN101621974B (ja)
WO (1) WO2008096512A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010233933A (ja) * 2009-03-31 2010-10-21 Terumo Corp 生体内留置用ステントおよび生体器官拡張器具
WO2013125297A1 (ja) * 2012-02-21 2013-08-29 テルモ株式会社 ステント

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011043500A1 (ko) * 2009-10-07 2011-04-14 주식회사 엠아이텍 스텐트, 스텐트 조립체 및 그 제조방법
CN202027751U (zh) * 2010-05-10 2011-11-09 谢建 一种能使聚合物支架在x射线下清晰可见的显影标记
US9233015B2 (en) 2012-06-15 2016-01-12 Trivascular, Inc. Endovascular delivery system with an improved radiopaque marker scheme
WO2016197351A1 (en) * 2015-06-11 2016-12-15 Beijing Advanced Medical Technologies, Inc. A close-cell structured stent, a preparation method and use thereof
JP6458165B2 (ja) * 2015-11-18 2019-01-23 株式会社パイオラックスメディカルデバイス ステント
EP3700475B1 (en) * 2018-03-29 2021-08-04 Sahajanand Medical Technologies Private Limited Stent
EP3708129A1 (de) * 2019-03-15 2020-09-16 Biotronik Ag Implantat
KR20210052744A (ko) 2019-10-31 2021-05-11 주식회사 삼양바이오팜 비혈관용 스텐트
KR102625992B1 (ko) 2021-11-10 2024-01-17 인하대학교 산학협력단 위장관 스텐트

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6402777B1 (en) * 1996-03-13 2002-06-11 Medtronic, Inc. Radiopaque stent markers
JP2002541910A (ja) * 1999-04-16 2002-12-10 メドトロニック・インコーポレーテッド 管腔内脈管内ステント用医療装置
JP2003527132A (ja) * 1998-02-03 2003-09-16 ジー ディヴィッド ジャン 水平方向拡張支柱および交差装着式対角コネクタから構成した管状ステント
JP2004506477A (ja) 2000-08-18 2004-03-04 アンギオメット　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング　ウント　コムパニー　メディツィンテヒニク　コマンデイトゲゼルシャフト 要素が取り付けられたインプラント及びその製造方法
JP2004524916A (ja) 2001-03-29 2004-08-19 コーディス・コーポレイション 放射線不透過性内腔内医療装置
JP2005527322A (ja) * 2002-05-28 2005-09-15 ボストン サイエンティフィック リミテッド ステント用の極性を有する放射線不透過マーカ
JP2005279076A (ja) 2004-03-30 2005-10-13 Terumo Corp 自己拡張型生体内留置用ステント

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5776161A (en) * 1995-10-16 1998-07-07 Instent, Inc. Medical stents, apparatus and method for making same
US20050015138A1 (en) * 2003-05-22 2005-01-20 Andreas Schuessler Stent made of a material with low radio-opaqueness
US20050085897A1 (en) * 2003-10-17 2005-04-21 Craig Bonsignore Stent design having independent stent segments which uncouple upon deployment
US7722659B2 (en) * 2004-05-05 2010-05-25 Invatec S.R.L. Endoluminal prosthesis

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6402777B1 (en) * 1996-03-13 2002-06-11 Medtronic, Inc. Radiopaque stent markers
JP2003527132A (ja) * 1998-02-03 2003-09-16 ジー ディヴィッド ジャン 水平方向拡張支柱および交差装着式対角コネクタから構成した管状ステント
JP2002541910A (ja) * 1999-04-16 2002-12-10 メドトロニック・インコーポレーテッド 管腔内脈管内ステント用医療装置
JP2004506477A (ja) 2000-08-18 2004-03-04 アンギオメット　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング　ウント　コムパニー　メディツィンテヒニク　コマンデイトゲゼルシャフト 要素が取り付けられたインプラント及びその製造方法
JP2004524916A (ja) 2001-03-29 2004-08-19 コーディス・コーポレイション 放射線不透過性内腔内医療装置
JP2005527322A (ja) * 2002-05-28 2005-09-15 ボストン サイエンティフィック リミテッド ステント用の極性を有する放射線不透過マーカ
JP2005279076A (ja) 2004-03-30 2005-10-13 Terumo Corp 自己拡張型生体内留置用ステント

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2110103A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010233933A (ja) * 2009-03-31 2010-10-21 Terumo Corp 生体内留置用ステントおよび生体器官拡張器具
WO2013125297A1 (ja) * 2012-02-21 2013-08-29 テルモ株式会社 ステント

Also Published As

Publication number Publication date
US8052740B2 (en) 2011-11-08
EP2110103A1 (en) 2009-10-21
CN101621974A (zh) 2010-01-06
KR101250555B1 (ko) 2013-04-03
JPWO2008096512A1 (ja) 2010-05-20
US20100324663A1 (en) 2010-12-23
EP2110103A4 (en) 2014-07-30
KR20090117729A (ko) 2009-11-12
JP4950228B2 (ja) 2012-06-13
CN101621974B (zh) 2012-05-23

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