JP7610232B2 - ステント - Google Patents

ステント Download PDF

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Publication number
JP7610232B2
JP7610232B2 JP2023526692A JP2023526692A JP7610232B2 JP 7610232 B2 JP7610232 B2 JP 7610232B2 JP 2023526692 A JP2023526692 A JP 2023526692A JP 2023526692 A JP2023526692 A JP 2023526692A JP 7610232 B2 JP7610232 B2 JP 7610232B2
Authority
JP
Japan
Prior art keywords
strut
stent
extension portion
peak
extension
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
JP2023526692A
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English (en)
Japanese (ja)
Other versions
JPWO2022259382A1 (https=
JPWO2022259382A5 (https=
Inventor
光泉 長谷部
俊佑 亀井
駿人 前川
健太 尾藤
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.)
Global Vascular Co Ltd
Original Assignee
Global Vascular 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 Global Vascular Co Ltd filed Critical Global Vascular Co Ltd
Publication of JPWO2022259382A1 publication Critical patent/JPWO2022259382A1/ja
Publication of JPWO2022259382A5 publication Critical patent/JPWO2022259382A5/ja
Priority to JP2024158098A priority Critical patent/JP2024178235A/ja
Application granted granted Critical
Publication of JP7610232B2 publication Critical patent/JP7610232B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61F2002/9155—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
    • 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
    • A61F2002/91575—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
    • A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
    • 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
    • A61F2210/0076—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof multilayered, e.g. laminated structures
    • 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
    • A61F2250/0036—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 thickness
    • 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
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds

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)
JP2023526692A 2021-06-08 2021-06-08 ステント Active JP7610232B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024158098A JP2024178235A (ja) 2021-06-08 2024-09-12 ステント

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/021792 WO2022259382A1 (ja) 2021-06-08 2021-06-08 ステント

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024158098A Division JP2024178235A (ja) 2021-06-08 2024-09-12 ステント

Publications (3)

Publication Number Publication Date
JPWO2022259382A1 JPWO2022259382A1 (https=) 2022-12-15
JPWO2022259382A5 JPWO2022259382A5 (https=) 2024-04-03
JP7610232B2 true JP7610232B2 (ja) 2025-01-08

Family

ID=84425868

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2023526692A Active JP7610232B2 (ja) 2021-06-08 2021-06-08 ステント
JP2024158098A Pending JP2024178235A (ja) 2021-06-08 2024-09-12 ステント

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024158098A Pending JP2024178235A (ja) 2021-06-08 2024-09-12 ステント

Country Status (7)

Country Link
US (1) US20250120829A1 (https=)
EP (1) EP4353201A4 (https=)
JP (2) JP7610232B2 (https=)
KR (1) KR102848975B1 (https=)
CN (1) CN117529294A (https=)
AU (1) AU2021449863B2 (https=)
WO (1) WO2022259382A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026070550A1 (ja) * 2024-09-27 2026-04-02 テルモ株式会社 生体内留置用ステントおよびステントデリバリーシステム
WO2026070552A1 (ja) * 2024-09-27 2026-04-02 テルモ株式会社 生体内留置用ステント、ステントデリバリーシステムおよび生体内留置用ステントの製造方法
WO2026070551A1 (ja) * 2024-09-27 2026-04-02 テルモ株式会社 生体内留置用ステントおよびステントデリバリーシステム

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110166641A1 (en) 2007-02-12 2011-07-07 C.R. Bard Inc. Highly flexible stent and method of manufacture
US20190021885A1 (en) 2017-07-19 2019-01-24 Cook Medical Technologies Llc Stent with segments capable of uncoupling during expansion
US20200246165A1 (en) 2019-02-01 2020-08-06 Bolton Medical, Inc. Expandable luminal stents and methods of use
JP2020124642A (ja) 2014-06-12 2020-08-20 国立研究開発法人国立循環器病研究センター ステント
WO2020219567A1 (en) 2019-04-25 2020-10-29 Intact Vascular, Inc. Intravascular implant
JP2020179216A (ja) 2012-04-06 2020-11-05 マーリン エムディー プライベート リミテッド 動脈瘤を治療するためのデバイスおよび方法
US20210121180A1 (en) 2019-10-24 2021-04-29 Atrium Medical Corporation Endovascular fixation device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6342067B1 (en) * 1998-01-09 2002-01-29 Nitinol Development Corporation Intravascular stent having curved bridges for connecting adjacent hoops
US9561123B2 (en) * 2002-08-30 2017-02-07 C.R. Bard, Inc. Highly flexible stent and method of manufacture
US20040054398A1 (en) * 2002-09-13 2004-03-18 Cully Edward H. Stent device with multiple helix construction
US7264633B2 (en) 2003-03-20 2007-09-04 Cordis Corp. Anvil bridge stent design
US7959665B2 (en) * 2003-07-31 2011-06-14 Abbott Cardiovascular Systems Inc. Intravascular stent with inverted end rings

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110166641A1 (en) 2007-02-12 2011-07-07 C.R. Bard Inc. Highly flexible stent and method of manufacture
JP2020179216A (ja) 2012-04-06 2020-11-05 マーリン エムディー プライベート リミテッド 動脈瘤を治療するためのデバイスおよび方法
JP2020124642A (ja) 2014-06-12 2020-08-20 国立研究開発法人国立循環器病研究センター ステント
US20190021885A1 (en) 2017-07-19 2019-01-24 Cook Medical Technologies Llc Stent with segments capable of uncoupling during expansion
US20200246165A1 (en) 2019-02-01 2020-08-06 Bolton Medical, Inc. Expandable luminal stents and methods of use
WO2020219567A1 (en) 2019-04-25 2020-10-29 Intact Vascular, Inc. Intravascular implant
US20210121180A1 (en) 2019-10-24 2021-04-29 Atrium Medical Corporation Endovascular fixation device

Also Published As

Publication number Publication date
JPWO2022259382A1 (https=) 2022-12-15
KR20240017081A (ko) 2024-02-06
AU2021449863B2 (en) 2025-02-06
JP2024178235A (ja) 2024-12-24
CA3222001A1 (en) 2022-12-15
KR102848975B1 (ko) 2025-08-20
EP4353201A4 (en) 2025-02-26
AU2021449863A1 (en) 2024-02-01
US20250120829A1 (en) 2025-04-17
CN117529294A (zh) 2024-02-06
WO2022259382A1 (ja) 2022-12-15
EP4353201A1 (en) 2024-04-17
BR112023025684A2 (pt) 2024-02-27

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