KR100495875B1 - 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥중재술용 스텐트 - Google Patents
혈관 재협착 방지 약제를 코팅한 경피적 관상동맥중재술용 스텐트 Download PDFInfo
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- KR100495875B1 KR100495875B1 KR10-2003-0003465A KR20030003465A KR100495875B1 KR 100495875 B1 KR100495875 B1 KR 100495875B1 KR 20030003465 A KR20030003465 A KR 20030003465A KR 100495875 B1 KR100495875 B1 KR 100495875B1
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
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- 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
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- 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
- A61F2002/91525—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 within the whole structure different bands showing different meander characteristics, e.g. frequency or amplitude
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- 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
- A61F2002/91533—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 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 characterised by the phase between adjacent bands
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- 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
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- 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
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- 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
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- 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
- A61F2250/0068—Means for introducing or releasing pharmaceutical products into the body the pharmaceutical product being in a reservoir
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Optics & Photonics (AREA)
- Cardiology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
Claims (13)
- 경피적 관상동맥 중재술(Percutaneous coronary intervention)에 사용되는 스텐트(1)에 있어서,상기 스텐트(1)를 구성하는 복수개의 스트러트(strut)의 표면에 흠집을 내어 미세한 구덩이(well)를 다수 형성하고, 상기 구덩이를 포함한 스트러트의 표면 전체에 혈관 재협착 방지 약제가 도포되며,상기 스텐트(1)는, 지그재그형으로 연결되어 배치된 복수개의 스트러트(11)들이 원주방향으로 고리(loop)를 이루어 형성되고, 상기 스트러트(11)들이 만나는 부분에는 스트러트(11)의 두께보다 큰 직경을 가지는 둥근 끝(round end; 12)이 형성된 제1링구조(10); 및 지그재그형으로 연결되어 배치된 복수개의 스트러트(21)들이 원주방향으로 고리를 이루어 형성된 제2링구조(20);가 스텐트의 길이방향을 따라 반복된 패턴으로 번갈아 형성되고, 상기 제1링구조(10)의 한 지점과 제2링구조(20)의 한 지점을 연결하며 중간부분에는 굴곡 링크(31)가 형성된 브릿지(bridge; 30)를 구비하고,상기 둥근 끝(12)에는 상기 스텐트(1)의 중심축을 향하여 약제장입공(12a)이 관통 형성되며, 상기 제1링구조(10)의 상기 스트러트(11)들의 표면에는 그 길이방향을 따라 약제장입홈(11a)이 소정의 깊이와 폭으로 형성되어, 상기 약제장입공(12a)의 내부 및 상기 약제장입홈(11a)의 내부에 상기 혈관 재협착 방지 약제(14)가 저장되는 것을 특징으로 하는, 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥 중재술용 스텐트.
- 삭제
- 삭제
- 삭제
- 제1항에 있어서, 상기 약제장입홈(11a)은 상기 스트러트(11)들의 두께의 1/2 ~ 2/3에 해당되는 깊이와 폭을 갖는 것을 특징으로 하는, 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥 중재술용 스텐트.
- 제5항에 있어서, 상기 브릿지(30)는 상기 제1링구조(10)의 둥근 끝(12)과 상기 제2링구조(20)의 스트러트(21)의 한 점을 연결한 것을 특징으로 하는, 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥 중재술용 스텐트.
- 제6항에 있어서, 상기 스텐트(1)의 원위부 및 근위부는 각각 제1링구조(10)로써 마감되는 것을 특징으로 하는, 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥 중재술용 스텐트.
- 제7항에 있어서, 상기 제2링구조(20)의 상기 스트러트(21)들은 그 표면에 길이방향을 따라 소정의 깊이와 폭으로 형성된 약제장입홈을 구비하며, 상기 약제장입홈의 내부에는 상기 혈관 재협착 방지 약제(14)가 저장되는 것을 특징으로 하는, 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥 중재술용 스텐트.
- 경피적 관상동맥 중재술용 스텐트에 있어서,지그재그형으로 연결되어 배치된 복수개의 스트러트(11)들이 원주방향으로 고리(loop)를 이루어 형성되고, 상기 스트러트(11)들이 만나는 부분에는 스트러트(11)의 두께보다 큰 직경을 가지는 둥근 끝(round end; 12)이 형성된 제1링구조(10); 및지그재그형으로 연결되어 배치된 복수개의 스트러트(21)들이 원주방향으로 고리를 이루어 형성된 제2링구조(20);가 스텐트의 길이방향을 따라 반복된 패턴으로 번갈아 형성되고,상기 제1링구조(10)의 한 지점과 제2링구조(20)의 한 지점을 연결하며 중간 부분에는 굴곡링크(31)가 형성된 브릿지(bridge; 30)를 구비하고,상기 둥근 끝(12)에는 상기 스텐트(1)의 중심축을 향하여 약제장입공(12a)이 관통 형성되며, 상기 제1링구조(10)의 상기 스트러트(11)들의 표면에는 그 길이방향을 따라 약제장입홈(11a)이 소정의 깊이와 폭으로 형성되어, 상기 약제장입공(12a)의 내부 및 상기 약제장입홈(11a)의 내부에 혈관 재협착 방지 약제(14)가 저장되는 것을 특징으로 하는, 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥 중재술용 스텐트.
- 삭제
- 제9항에 있어서, 상기 홈(11a)은 상기 스트러트(11)들의 두께의 1/2 ~ 2/3에 해당되는 깊이와 폭을 갖는 것을 특징으로 하는 경피적 관상동맥 중재술용 스텐트.
- 제11항에 있어서, 상기 브릿지(30)는 상기 제1링구조(10)의 둥근 끝(12)과 상기 제2링구조(20)의 스트러트(21)의 한 점을 연결한 것을 특징으로 하는 경피적 관상동맥 중재술용 스텐트.
- 제12항에 있어서, 상기 스텐트(1)의 원위부 및 근위부는 각각 제1링구조(10)로써 마감되는 것을 특징으로 하는 경피적 관상동맥 중재술용 스텐트.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2003-0003465A KR100495875B1 (ko) | 2003-01-18 | 2003-01-18 | 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥중재술용 스텐트 |
PCT/KR2004/000069 WO2004064911A1 (en) | 2003-01-18 | 2004-01-16 | Stent for percutaneous coronary intervention, coated with vascular restenosis prevention drug |
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KR10-2003-0003465A KR100495875B1 (ko) | 2003-01-18 | 2003-01-18 | 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥중재술용 스텐트 |
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KR20040066409A KR20040066409A (ko) | 2004-07-27 |
KR100495875B1 true KR100495875B1 (ko) | 2005-06-16 |
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KR10-2003-0003465A KR100495875B1 (ko) | 2003-01-18 | 2003-01-18 | 혈관 재협착 방지 약제를 코팅한 경피적 관상동맥중재술용 스텐트 |
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- 2003-01-18 KR KR10-2003-0003465A patent/KR100495875B1/ko active IP Right Grant
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- 2004-01-16 WO PCT/KR2004/000069 patent/WO2004064911A1/en active Application Filing
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KR20040066409A (ko) | 2004-07-27 |
WO2004064911A1 (en) | 2004-08-05 |
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