KR102684352B1 - 이동-방지 스텐트 - Google Patents
이동-방지 스텐트 Download PDFInfo
- Publication number
- KR102684352B1 KR102684352B1 KR1020227028138A KR20227028138A KR102684352B1 KR 102684352 B1 KR102684352 B1 KR 102684352B1 KR 1020227028138 A KR1020227028138 A KR 1020227028138A KR 20227028138 A KR20227028138 A KR 20227028138A KR 102684352 B1 KR102684352 B1 KR 102684352B1
- Authority
- KR
- South Korea
- Prior art keywords
- stent
- partition
- tubular member
- coating
- 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
Links
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 7
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- DDTIGTPWGISMKL-UHFFFAOYSA-N molybdenum nickel Chemical compound [Ni].[Mo] DDTIGTPWGISMKL-UHFFFAOYSA-N 0.000 description 2
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- OGSYQYXYGXIQFH-UHFFFAOYSA-N chromium molybdenum nickel Chemical compound [Cr].[Ni].[Mo] OGSYQYXYGXIQFH-UHFFFAOYSA-N 0.000 description 1
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- 201000004101 esophageal cancer Diseases 0.000 description 1
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical group C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 210000001126 granulation tissue Anatomy 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
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- 238000003780 insertion Methods 0.000 description 1
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- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
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- MOWMLACGTDMJRV-UHFFFAOYSA-N nickel tungsten Chemical compound [Ni].[W] MOWMLACGTDMJRV-UHFFFAOYSA-N 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
- VPRUMANMDWQMNF-UHFFFAOYSA-N phenylethane boronic acid Chemical compound OB(O)CCC1=CC=CC=C1 VPRUMANMDWQMNF-UHFFFAOYSA-N 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
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- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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
- A61F2/848—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
-
- 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 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2002/044—Oesophagi or esophagi or gullets
-
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2002/045—Stomach, intestines
-
- 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
- A61F2002/825—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having longitudinal struts
-
- 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
- A61F2250/0039—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 diameter
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
도 1은 이동-방지 시스템을 가진 예시적인 스텐트의 측면도.
도 2a는 도 1의 예시적인 스텐트의 부분적인 사시도.
도 2b는 도 1의 예시적인 스텐트의 부분적인 측면도.
도 3은 체강 내에 배치된 도 1의 예시적인 스텐트의 단면도.
도 3a는 체강 내에 배치된 도 1의 스텐트의 대안적인 변형의 단면도.
도 4는 이동-방지 시스템을 가진 또 다른 예시적인 스텐트의 측면도.
도 5a는 또 다른 예시적인 스텐트의 부분적인 사시도.
도 5b는 도 4a의 예시적인 스텐트의 부분적인 측면도.
도 6은 체강 내에 배치된 도 4의 예시적인 스텐트의 단면도.
도 6a는 체강 내에 배치된 도 4의 스텐트의 대안적인 변형의 단면도.
본 개시내용이 다양한 변경 및 대안적인 형태로 이루어질 수 있지만, 본 발명의 세부사항이 도면에서 실시예로서 도시되고 그리고 상세히 설명될 것이다. 그러나, 본 발명의 양상을 설명된 특정한 실시형태로 제한하지 않으려는 의도가 이해되어야 한다. 대조적으로, 본 발명의 범위 내에 속하는 모든 변경, 등가물 및 대안을 포함하려는 의도가 있다.
Claims (15)
- 스텐트로서,
복수의 셀이 관형 벽의 두께를 통해 연장되는 상기 관형 벽을 형성하는 적어도 하나의 스트러트(strut)를 포함하는 세장형 관형 부재로서, 방사상으로 접힌 구성(radially collapsed configuration)과 방사상으로 확장된 구성(radially expanded configuration) 간에 변경되도록 구성되는, 상기 세장형 관형 부재;
상기 세장형 관형 부재 상에 배치되고 상기 복수의 셀에 걸치는 코팅으로서, 상기 복수의 셀 중 적어도 일부 내에 포켓을 형성하고 공극을 획정하기 위해 상기 관형 벽의 방사상 내향으로 연장되는, 상기 코팅; 및
상기 포켓의 적어도 일부 내에 배치된 파티션으로서, 상기 파티션이 상기 포켓의 하단면으로부터 방사상 외향으로 연장되고 상기 공극을 횡단하도록 각각의 상기 파티션에는 상기 포켓의 상기 하단면에 연결되는 기저부가 구비되는, 상기 파티션
을 포함하고,
각각의 상기 파티션은 상기 포켓의 제1 측면에서 상기 포켓의 제2 측면까지 상기 공극을 가로질러 전부 연장되고,
상기 포켓의 상기 하단면은 방사상 외향으로 향하고, 상기 관형 벽의 방사상 내향으로 배치되는, 스텐트. - 제1항에 있어서, 상기 파티션의 적어도 일부는 상기 세장형 관형 부재의 중심 길이방향 축과 수직으로 연장되는, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 파티션의 적어도 일부는 상기 세장형 관형 부재의 중심 길이방향 축과 평행하게 연장되는, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 파티션의 적어도 일부는 상기 세장형 관형 부재의 중심 길이방향 축에 대해 사각으로 연장되는, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 파티션의 높이는 상부에 상기 코팅이 배치된 상기 적어도 하나의 스트러트의 높이와 같은, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 적어도 하나의 스트러트는 복수의 교차점을 형성하는, 스텐트.
- 제6항에 있어서, 상기 파티션의 적어도 일부는 인접한 교차점 간에 연장되는, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 파티션의 적어도 일부는 상기 파티션이 배치되는 상기 포켓의 제1 측면에서 상기 포켓의 제2 측면까지 연장되는, 스텐트.
- 제1항 또는 제2항에 있어서, 적어도 하나의 포켓은 2개 이상의 파티션을 포함하는, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 코팅은 상기 스텐트를 통해 길이방향으로 연장되는 루멘(lumen)의 표면의 전부를 획정하는, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 포켓의 적어도 일부는 상기 포켓을 통해 형성된 구멍을 포함하는, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 코팅과 상기 파티션은 단일의 모놀리식 구조로 형성되는, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 코팅은 상기 세장형 관형 부재의 내부면 및/또는 외부면 위에 배치되는, 스텐트.
- 스텐트로서,
복수의 셀이 관형 벽의 두께를 통해 연장되는 상기 관형 벽을 형성하는 적어도 하나의 스트러트를 포함하는 세장형 관형 부재로서, 방사상으로 접힌 구성과 방사상으로 확장된 구성 간에 변경되도록 구성되는, 상기 세장형 관형 부재; 및
상기 세장형 관형 부재 상에 배치되고 상기 복수의 셀에 걸치는 코팅으로서, 상기 복수의 셀 중 적어도 일부 내에 포켓을 형성하고 공극을 획정하기 위해 상기 관형 벽의 방사상 내향으로 연장되는, 상기 코팅
을 포함하되,
상기 포켓은 절두형(truncated) 피라미드 형상이고, 4개의 수렴되는 측벽이 각각의 상기 포켓의 기저벽의 방사상 외향으로 향하는 표면과 교차하고,
각각의 상기 포켓의 상기 기저벽의 방사상 외향으로 향하는 표면은 상기 관형 벽의 방사상 가장 안쪽 범위의 방사상 내향으로 이격되어 있는, 스텐트. - 제14항에 있어서, 상기 포켓의 적어도 일부 내에 배치된 파티션을 더 포함하되, 각각의 파티션은 상기 포켓의 상기 기저벽의 방사상 외향으로 향하는 표면으로부터 방사상 외향으로 연장되고 상기 공극을 횡단하는, 스텐트.
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JP2019516504A (ja) * | 2016-06-23 | 2019-06-20 | エム. アイ. テック カンパニー リミテッド | 消化器用マルチホールステント |
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JP7499339B2 (ja) | 2024-06-13 |
US11759341B2 (en) | 2023-09-19 |
WO2021146021A1 (en) | 2021-07-22 |
KR20220128410A (ko) | 2022-09-20 |
US20210212848A1 (en) | 2021-07-15 |
US20230381001A1 (en) | 2023-11-30 |
CN114938628A (zh) | 2022-08-23 |
EP4090296A1 (en) | 2022-11-23 |
JP2023510553A (ja) | 2023-03-14 |
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