KR100442330B1 - 스텐트 및 이 스텐트의 제조방법 - Google Patents
스텐트 및 이 스텐트의 제조방법 Download PDFInfo
- Publication number
- KR100442330B1 KR100442330B1 KR10-2002-0052868A KR20020052868A KR100442330B1 KR 100442330 B1 KR100442330 B1 KR 100442330B1 KR 20020052868 A KR20020052868 A KR 20020052868A KR 100442330 B1 KR100442330 B1 KR 100442330B1
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- KR
- South Korea
- Prior art keywords
- stent
- main body
- backflow
- body portion
- silicone
- Prior art date
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Classifications
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
-
- 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
-
- 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
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2476—Valves implantable in the body not otherwise provided for
-
- 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
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in 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
- 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
- A61F2/89—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
-
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
- A61F2002/075—Stent-grafts the stent being loosely attached to the graft material, e.g. by stitching
-
- 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
Abstract
Description
Claims (12)
- 인체의 내강에 삽입될 수 있으며 원주방향으로 수축 및 팽창이 가능한 원통형태의 본체부와, 상기한 본체부의 내측에 설치되어 음식물이나 유체 등이 역류하는 것을 방지하기 위한 역류방지수단을 포함하며, 이 역류방지수단은 음식물이나 유체 등이 통과할 수 있는 크기의 통로를 가지며 상기한 본체부 내측에 고정되는 고정막과, 이 고정막에서 상기한 본체부의 타측 개방단을 향하여 연장되어 통로를 개방 또는 차단하는 밸브막으로 이루어지는 스텐트.
- 청구항 1에 있어서, 상기한 역류방지수단의 밸브막은 통로의 내주면들이 서로 접촉하여 하나 또는 그 이상의 연장부로 이루어지는 스텐트.
- 청구항 2에 있어서, 상기한 연장부는 상기한 본체부의 내측 중심에서 원주면을 향해 하나 또는 그 이상이 방사되는 형태, 일자형태, 파형(波形)형태, 톱니형태 중에서 어느 하나로 이루어지는 스텐트.
- 청구항 2에 있어서, 상기한 밸브막의 길이는 상기한 본체부 지름의 150길이% 또는 스텐트 전체길이의 20길이% 이상으로 이루어지는 스텐트.
- 청구항 1에 있어서, 상기한 역류방지수단의 재질은 의료용(醫療用) 폴리우레탄(POLYURETHANE), 실리콘우레탄공중합체(SILICONE-URETHANE COPOLYMER), 실리콘 (SILICONE), 폴리아미드(POLYAMIDE), 폴리에스터(POLYESTER), 불소수지 중에서 어느 하나로 이루어지는 스텐트.
- 청구항 1에 있어서, 상기한 본체부는 금속와이어가 원통형태로 감겨진 와이어부재와, 이 와이어부재를 감싸는 커버부재로 이루어지며, 이 커버부재의 재질은 의료용(醫療用) 폴리우레탄(POLYURETHANE), 실리콘우레탄공중합체(SILICONE-URETHANE COPOLYMER), 실리콘(SILICONE), 폴리아미드(POLYAMIDE), 폴리에스터 (POLYESTER), 불소수지 중에서 어느 하나로 이루어지는 스텐트.
- 청구항 1에 있어서, 상기한 본체부의 양측단에는 인체의 내강에 삽입된 후 유동하는 것을 방지하기 위한 보조부가 형성되는 스텐트.
- 본체부 및 역류방지수단을 성형하는 성형공정과, 이 성형공정에 의해 성형된 본체부 내측에 역류방지수단을 부착하는 부착공정을 포함하고, 이 부착공정은 상기한 본체부의 내측에 역류방지수단을 소정의 셋팅위치에 배치하는 셋팅공정과, 이 셋팅공정에 의해 셋팅된 역류방지수단을 상기한 본체부에 본딩하는 본딩공정으로 이루어지는 스텐트의 제조방법.
- 청구항 8에 있어서, 상기한 본딩공정은, 상기한 커버부재에 접착용매를 직접도포하여 본딩하거나 소정의 열을 가하여 열융착에 의해 본딩하는 것을 특징으로 하는 스텐트의 제조방법.
- 청구항 9에 있어서, 상기한 접착용매는, 상기한 커버부재 및 역류방지수단과 동일한 재질에 소정의 용매가 함유된 액상의 재질로 이루어지고, 이 용매는 DMAC(N,N-DIMETHYLACETAMIDE), DMF(N,N-DIMETHYLFORMAMIDE), DMSO (DIMETHYLSULFOXIDE), THF(TETRAHYDROFURAN), 자이렌(XYLENE), 톨루엔 (TOLUENE), 클로로포름(CHLOROFORM) 중에서 어느 하나가 3중량%∼70중량% 함유되는 스텐트의 제조방법.
- 청구항 9에 있어서, 상기한 열융착에 의해 본딩되는 커버부재와 역류방지수단의 재질은 불소수지인 것을 특징으로 하는 스텐트의 제조방법.
- 청구항 8에 있어서, 상기한 본딩공정은, 상기한 역류방지수단의 밸브막을 상기한 본체부의 커버부재 내주면에서 길이방향으로 등분하여 적어도 1지점 이상을 본딩하여 보조고정부를 형성하는 스텐트의 제조방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0052868A KR100442330B1 (ko) | 2002-09-03 | 2002-09-03 | 스텐트 및 이 스텐트의 제조방법 |
ES03013328T ES2399816T3 (es) | 2002-09-03 | 2003-06-13 | Estent y procedimiento para su fabricación |
EP20030013328 EP1430853B1 (en) | 2002-09-03 | 2003-06-13 | Stent and method for manufacturing the same |
US10/461,902 US7182788B2 (en) | 2002-09-03 | 2003-06-13 | Stent and method for manufacturing the same |
CNB03137798XA CN1261173C (zh) | 2002-09-03 | 2003-06-23 | 支架 |
JP2003183939A JP3821800B2 (ja) | 2002-09-03 | 2003-06-27 | ステント |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0052868A KR100442330B1 (ko) | 2002-09-03 | 2002-09-03 | 스텐트 및 이 스텐트의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040021266A KR20040021266A (ko) | 2004-03-10 |
KR100442330B1 true KR100442330B1 (ko) | 2004-07-30 |
Family
ID=31973636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0052868A KR100442330B1 (ko) | 2002-09-03 | 2002-09-03 | 스텐트 및 이 스텐트의 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7182788B2 (ko) |
EP (1) | EP1430853B1 (ko) |
JP (1) | JP3821800B2 (ko) |
KR (1) | KR100442330B1 (ko) |
CN (1) | CN1261173C (ko) |
ES (1) | ES2399816T3 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100883329B1 (ko) | 2007-08-21 | 2009-02-11 | 주식회사 에스앤지바이오텍 | 스텐트용 약물 방출 멤브레인 및 이를 포함하는 내강확장용 약물 방출 스텐트 |
KR101064190B1 (ko) * | 2009-07-02 | 2011-09-14 | 주식회사 엠아이텍 | 다이어트용 스텐트 |
KR20210119090A (ko) | 2020-03-24 | 2021-10-05 | (주)시지바이오 | 스텐트 |
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Also Published As
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KR20040021266A (ko) | 2004-03-10 |
JP3821800B2 (ja) | 2006-09-13 |
ES2399816T3 (es) | 2013-04-03 |
EP1430853B1 (en) | 2012-11-28 |
EP1430853A3 (en) | 2005-06-08 |
US20040044402A1 (en) | 2004-03-04 |
CN1261173C (zh) | 2006-06-28 |
JP2004089696A (ja) | 2004-03-25 |
CN1480227A (zh) | 2004-03-10 |
US7182788B2 (en) | 2007-02-27 |
EP1430853A2 (en) | 2004-06-23 |
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