KR101675883B1 - 스텐트 제조방법 - Google Patents
스텐트 제조방법 Download PDFInfo
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- KR101675883B1 KR101675883B1 KR1020140085090A KR20140085090A KR101675883B1 KR 101675883 B1 KR101675883 B1 KR 101675883B1 KR 1020140085090 A KR1020140085090 A KR 1020140085090A KR 20140085090 A KR20140085090 A KR 20140085090A KR 101675883 B1 KR101675883 B1 KR 101675883B1
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- 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
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- 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
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- A—HUMAN NECESSITIES
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
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- 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
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- A61L27/30—Inorganic materials
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- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/54—Biologically active materials, e.g. therapeutic substances
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/58—Materials at least partially resorbable by the body
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- Y10S977/855—Manufacture, treatment, or detection of nanostructure with scanning probe for manufacture of nanostructure
- Y10S977/857—Manufacture, treatment, or detection of nanostructure with scanning probe for manufacture of nanostructure including coating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
본 발명에 의하면, 코팅막에 함유된 은나노 입자의 항균작용을 통해 병변부위의 세균 증식을 방지하며, 스텐트의 코팅막이 담도 및 혈관의 병변부위와 스텐트를 통과하는 물질의 직접적인 접촉을 방지하며, 스텐트에 형성된 코팅막의 접촉면이 담도 및 혈관 내벽을 지지함으로써, 신생내막이 스텐트 내부로 침투하여 발생되는 담도 및 혈관의 재협착을 방지하는 효과가 있다.
Description
그리고, 상기 a) 단계는, 상기 스텐트 본체를 세척하고 건조하여 이물질을 제거하는 단계; 및 상기 전기 방사장치에 마련된 롤러 형태의 콜렉터에 상기 스텐트 본체를 삽입 고정하는 단계;를 포함할 수 있다.
도2는 본 발명의 은나노 입자가 함유된 코팅막과 일반 코팅막의 대장균(Escherichia coli ATCC 8739)에 대한 항균실험 결과이다.
도3은 본 발명의 은나노 입자가 함유된 코팅막과 일반 코팅막의 폐렴쌍구균(Klebsiella pneumoniae ATCC 4352)에 대한 항균실험 결과이다.
도4는 FE-SEM과 EDX 주사전자 현미경을 통해 은나노 입자가 함유된 코팅막의 이온 검출을 실시한 결과이다.
도5는 본 발명의 일실시예에 따른 스텐트의 제조방법을 나타낸 순서도이다.
110 : 스텐트 본체
120 : 코팅막
122 : 고분자
124 : 은나노 입자
Claims (6)
- 삭제
- 삭제
- a) 코팅막이 고르게 형성될 수 있도록, 스텐트 본체를 준비하는 단계;
b) 전기 방사장치에 은나노 입자를 첨가한 고분자 용액을 장전하는 단계; 및
c) 상기 스텐트 본체에 상기 은나노 입자를 첨가한 고분자 용액을 분사하여 코팅막을 형성하는 단계;를 포함하며,
상기 c) 단계는,
상기 전기 방사장치에 장전된 상기 은나노 입자를 첨가한 고분자 용액을 상기 스텐트 본체에 분사하는 단계; 및
상기 은나노 입자를 첨가한 고분자 용액이 도포된 스텐트 본체를 건조오븐에 넣고 35°C로 30분간 1차 건조하고, 180°C 온도로 3시간동안 2차 건조하여 코팅막을 형성하는 단계;를 포함하는 것을 특징으로 하는
스텐트 제조방법.
- 제3항에 있어서,
상기 a) 단계는,
상기 스텐트 본체를 세척하고 건조하여 이물질을 제거하는 단계; 및
상기 전기 방사장치에 마련된 롤러 형태의 콜렉터에 상기 스텐트 본체를 삽입 고정하는 단계;를 포함하는 것을 특징으로 하는
스텐트 제조방법.
- 제3항에 있어서,
상기 b) 단계는,
상기 고분자 용액에 상기 은나노 입자를 첨가하여 교반하는 단계; 및
상기 전기 방사장치에 상기 은나노 입자를 첨가한 고분자 용액을 장전하는 단계;를 포함하는 것을 특징으로 하는
스텐트 제조방법.
- 삭제
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140085090A KR101675883B1 (ko) | 2014-07-08 | 2014-07-08 | 스텐트 제조방법 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140085090A KR101675883B1 (ko) | 2014-07-08 | 2014-07-08 | 스텐트 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20160005943A KR20160005943A (ko) | 2016-01-18 |
| KR101675883B1 true KR101675883B1 (ko) | 2016-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020140085090A Active KR101675883B1 (ko) | 2014-07-08 | 2014-07-08 | 스텐트 제조방법 |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102824431B1 (ko) * | 2019-10-25 | 2025-06-23 | 주식회사 엘지에너지솔루션 | 원통형 전지 |
| KR102627980B1 (ko) * | 2021-12-31 | 2024-01-19 | 전북대학교산학협력단 | 전기방사장치를 이용한 스텐트 코팅 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004528418A (ja) * | 2001-02-28 | 2004-09-16 | ユーロテック インコーポレーテッド | 抗菌性高分子表面の生成方法 |
| KR200396373Y1 (ko) | 2005-06-28 | 2005-09-21 | 전남구 | 착탈형 항균 탈취구 |
| KR101198464B1 (ko) * | 2011-05-17 | 2012-11-06 | 부산대학교병원 | 약물방출형 다층 코팅 스텐트 제조장치 및 그를 이용한 코팅방법 |
-
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- 2014-07-08 KR KR1020140085090A patent/KR101675883B1/ko active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004528418A (ja) * | 2001-02-28 | 2004-09-16 | ユーロテック インコーポレーテッド | 抗菌性高分子表面の生成方法 |
| KR200396373Y1 (ko) | 2005-06-28 | 2005-09-21 | 전남구 | 착탈형 항균 탈취구 |
| KR101198464B1 (ko) * | 2011-05-17 | 2012-11-06 | 부산대학교병원 | 약물방출형 다층 코팅 스텐트 제조장치 및 그를 이용한 코팅방법 |
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| KR20160005943A (ko) | 2016-01-18 |
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