KR970706766A - 팽창성 두갈래 스텐트 및 그것을 이송하는 방법(expandable bifurcated stent and method for delivery of same) - Google Patents

팽창성 두갈래 스텐트 및 그것을 이송하는 방법(expandable bifurcated stent and method for delivery of same)

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Publication number
KR970706766A
KR970706766A KR1019970702928A KR19970702928A KR970706766A KR 970706766 A KR970706766 A KR 970706766A KR 1019970702928 A KR1019970702928 A KR 1019970702928A KR 19970702928 A KR19970702928 A KR 19970702928A KR 970706766 A KR970706766 A KR 970706766A
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South Korea
Prior art keywords
stent
introduction path
wall
stent according
longitudinal axis
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KR1019970702928A
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English (en)
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KR100386784B1 (ko
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엠. 펜 이안
알. 리찌 도날드
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알. 리찌 도날드
디비시오 솔루션 (1995) 리미티드
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Publication of KR970706766A publication Critical patent/KR970706766A/ko
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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
    • 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
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    • 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
    • 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
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    • 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
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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
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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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    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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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  • Epidemiology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)

Abstract

본 발명은 서로 연통하는 근위 말단 및 원위 말단을 포함하며, 상기 근위 말단과 원위 말단 사이에 관형벽이 배치되어 있는 팽창성 스텐트로서, 상기 관형 벽은 종축 및, 그 종축에 거의 평행한 한쌍의 측벽을 갖는 다격형인 제1인 반복 패턴을 규정하도록 정렬된 다수개의 교차 부재에 의해 구획되는 다공성 표면을 가지며, 제1의 오목한 모양의 벽 및 제2의 볼록한 모양의 벽이 상기 측벽들을 연결하고, 상기 제1벽 및 제2벽은 상기 종축에 평행한 축을 따라 등거리이며, 상기 스텐트는 방사상의 외부로 향하는 힘을 스텐트에 적용함에 따라 제1의 수축상태로부터 제2의 팽창 상태로 팽창할 수 있는 것을 특징으로 하는 스텐트에 관한 것이다. 상기 스텐트의 더욱 바람직한 형태는 서로 연통하는 근위 말단 및 원위 말단을 포함하는 팽창가능한 두갈래 스텐트로서, 상기 근위 말단은 1차 도입로를 포함하며, 상기 원위 말단은 한쌍의 2차 도입로를 포함하는데, 상기 스텐트는 방사상의 외부로 향하는 힘을 스텐트에 적용함에 따라 제1의 수축 상태로부터 제2의 팽창 상태로 팽창할 수 있다. 또한 상기 두갈래 스텐트를 목적하는 생체내 도입로에 이송하는 방법을 제공한다.

Description

팽창성 두갈래 스텐트 및 그것을 이송하는 방법(EXPANDABLE BIFURCATED STENT AND METHOD FOR DELIVERY OF SAME)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 제1의 수축 상태인 두갈래 스텐트의 투시도를 예시한다. 제2도는 제2의 팽창 상태에 있는 제1도의 두갈래 스텐트의 확대된 투시도를 예시한다. 제3도는 제2의 팽창 상태에 있는 단일관형 스텐트의 투시도를 예시한다. 제4도는 제1도 내지 제3도에서 예시된 스텐트내에 존재하는 반복 패턴의 팽창된 2차원 대표도를 예시한다. 제5도는 제1의 두갈래 스텐트를 두갈래 생체내 도입로내로 운반하고 있는 두갈래 생체내 도입로의 횡단면도를 예시한다.

Claims (38)

  1. 서로 연통하는 근위 말단 및 원위 말단을 포함하는 팽창성 두갈래 스텐트로서, 상기 근위 말단은 1차 도입로를 포함하며 상기 원위 말단은 한쌍의 2차 도입로를 포함하고, 상기 스텐트는 방사상의 외부로 향하는 힘을 스텐트에 적용함에 따라 제1의 수축 상태로부터 제2의 팽창 상태로 팽창할 수 있는 것을 특징으로 하는 팽창성 두갈래 스텐트.
  2. 제1항에 있어서, 상기 1차 도입로는 가늘고 길며, 상기 한쌍의 2차 도입로를 실질적으로 양분하는 종축을 갖는 것을 특징으로 하는 스텐트.
  3. 제3항에 있어서, 상기 1차 도입로는 다공성인 것을 특징으로 하는 스텐트.
  4. 제3항에 있어서, 상기 1차 도입로의 기공도는 다수개의 교차 부재에 의해 규정되는 것을 특징으로 하는 스텐트.
  5. 제4항에 있어서, 상기 교차 부재가 제1의 반복 패턴을 규정하는 것을 특징으로 하는 스텐트.
  6. 제5항에 있어서, 상기 제1반복 패턴은 1차 도입로의 종축에 거의 평행한 한쌍의 측벽을 갖는 다각형이며, 제1의 오목한 모양의 벽 및 제2의 볼록한 모양의 벽은 상기 측벽들을 연결하고, 상기 제1벽 및 제2벽은 1차 도입로의 종축에 평행한 축을 따라서 등거리인 것을 특징으로 하는 스텐트.
  7. 제6항에 있어서, 제1벽 및 제2벽은 거의 아아치형인 것을 특징으로 하는 스텐트.
  8. 제5항 또는 제6항에 있어서, 상기 교차 부재가 제2의 반복 패턴을 규정하는 것을 특징으로 하는 스텐트.
  9. 제8항에 있어서, 상기 제2의 반복 패턴은 1차 도입로의 종축에 거의 직각인 축을 따라 취한, 제1의 반복 패턴의 실질적은 거울 상인 것을 특징으로 하는 스텐트.
  10. 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 2차 도입로는 가늘고 길며, 1차 도입로의 종축을 예각으로 교차하는 종축을 갖는 것을 특징으로 하는 스텐트.
  11. 제10항에 있어서, 상기 2차 도입로는 다공성인 것을 특징으로 하는 스텐트.
  12. 제11항에 있어서, 각각의 2차 도입로의 기공도는 다수개의 교차 부재에 의해 규정되는 것을 특징으로 하는 스텐트.
  13. 제12항에 있어서, 상기 교차 부재가 제1의 반복 패턴을 규정하는 것을 특징으로 하는 스텐트.
  14. 제13항에 있어서, 상기 제1의 반복 패턴은 2차 도입로의 종축에 거의 평행한 한쌍의 측벽을 갖는 다각형이며, 제1의 오목한 모양의 벽 및 제2의 볼록한 모양의 벽은 상기 측벽들을 연결하고, 상기 제1벽 및 제2벽은 2차 도입로의 종축에 평행한 축을 따라서 등거리인 것을 특징으로 하는 스텐트.
  15. 제14항에 있어서, 제1벽 및 제2벽은 거의 아아치형인 것을 특징으로 하는 스텐트.
  16. 제13항 또는 제14항에 있어서, 상기 교차 부재가 제2반복 패턴을 규정하는 것을 특징으로 하는 스텐트.
  17. 제16항에 있어서, 상기 제2의 반복 패턴은 2차 도입로의 종축에 거의 각각의 라인을 따라 취한, 제1의 반복 패턴의 실질적인 거울 상인 것을 특징으로 하는 스텐트.
  18. 제1항에 있어서, 상기 1차 도입로는 교차접에서 2차 도입로 각각에 연결되는 것을 특징으로 하는 스텐트.
  19. 제18항에 있어서, 상기 교차점은 스텐트의 나머지 부분에 대하여 보강되는 것을 특징으로 하는 스텐트.
  20. 제18항 또는 제19항에 있어서, 상기 교차점은 다공성인 것을 특징으로 하는 스텐트.
  21. 제20항에 있어서, 상기 교차점의 기공도는 다수개의 교차 부재에 의해 규정되는 것을 특징으로 하는 스텐트.
  22. 제21항에 있어서, 상기 교차 부재가 제3의 반복 패턴을 규정하는 것을 특징으로 하는 스텐트.
  23. 제22항에 있어서, 상기 제2의 반복 패턴은 1차 도입로의 종축에 거의 평행한 한쌍의 측벽을 갖는 다각형이며, 제1의 오목한 모양의 벽 및 제2의 볼록한 모양의 벽은 상기 측벽들을 연결하고, 상기 제1벽 및 제2벽은 1차 도입로의 종축에 평행한 축을 따라서 등거리이며, 보강용 바는 상기 한쌍의 측벽 사이에 그리고 이들과 거의 평행하게 배치되는 것을 특징으로 하는 스텐트.
  24. 제23항에 있어서, 상기 보강용 바는 각각의 측벽으로부터 거의 등거리로 배치되는 것을 특징으로 하는 스텐트.
  25. 제1항에 있어서, 상기 1차 도입로는 거의 원형 단면을 갖는 것을 특징으로 하는 스텐트.
  26. 제1항에 있어서, 상시 2차 도입로 각각은 거의 원형 단면을 갖는 것을 특징으로 하는 스텐트.
  27. 제1항에 있어서, 상기 1차 도입로의 단면적은 2차 도입로 각각의 단면적의 합과 거의 같은 것을 특징으로 하는 스텐트.
  28. 제1항에 있어서, 상기 원위 말단은 스텐트의 나머지 부분에 대해 가요성이 있는 것을 특징으로 하는 스텐트.
  29. 제1항에 있어서, 상기 근위 말단은 스텐트의 나머지 부분에 대해 가용성이 있는 것을 특징으로 하는 스텐트.
  30. 제1항에 있어서, 1차 도입로와 2차 도입로의 각 길이는 거의 동일한 것을 특징으로 하는 스텐트.
  31. 서로 연통하는 근위 말단 및 원위 말단을 포함하며, 상기 근위 말단과 원위 말단 사이에 관형 벽이 배치 되어 있는 팽창성 스텐트로서, 상기 관형 벽은 종축 및, 그 종축에 거의 평행한 한쌍의 측벽을 갖는 다격형인 제1의 반복 패턴을 규정하도록 정렬된 다수개의 교차 부재에 의해 구획되는 다공성 표면을 가지며, 제1의 오목한 모양의 벽 및 제2의 볼록한 모양의 벽이 상기 측벽들을 연결하고, 상기 제1벽 및 제2벽은 상기 종축에 평행한 축을 따라서 등거리이며, 상기 스텐트는 방사상의 외부로 향하는 힘을 스텐트에 적용함에 따라 제1의 수축 상태로부터 제2의 팽창 상태로 평창할 수 있는 것을 특징으로 하는 스텐트.
  32. 제33항에 있어서, 제1벽 및 제2벽은 거의 아아치형인 것을 특징으로 하는 스텐트.
  33. 제31항에 있어서, 상기 교차 부재가 제2의 반복 패턴을 규정하는 것을 특징으로 하는 스텐트.
  34. 제33항에 있어서, 제2의 반복 패턴은 상기 종축에 거의 직각인 라인을 따라 취한, 제1의 반복 패턴의 실질적인 거울 상인 것을 특징으로 하는 스텐트.
  35. 서로 연통하는 근위 말단 및 말단을 포함하며 상기 근위 말단은 1차 도입로를 포함하고 상기 원위 말단은 한쌍의 2차 도입로를 포함하며 스텐트 내부로부터 방사성의 외부로 향하는 힘을 적용함에 따라 제1의 수축 상태로부터 제2의 팽창 상태로 팽창할 수 있는 팽창성 두갈래 스텐트를, 목적하는 생체내 도입로에 이송하는 방법으로서, 제1의 수축 상태인 상기 스텐트를 카테터상에 배치하는 단계; 목적하는 생체내 도입로의 카테터 삽입법에 의해 목적하는 생체내 도입로내에 상기 스텐트 및 카테터를 삽입시키는 단계; 상기 스텐트가 제2의 팽창 상태를 취하고 목적하는 생체내 도입로에 대해 추진되도록 스텐트 상에 방사상의 외부로 향하는 팽창력을 과하는 단계를 포함하는 것을 특징으로 하는 방법.
  36. 제35항에 있어서, 상기 팽창력은 상기 스텐트가 제2의 팽창 상태를 취하고 목적하는 생체내 도입로에 대해 추진되도록 상기 카테터를 팽창시키므로써 제공되는 것을 특징으로 하는 방법.
  37. 제36항에 있어서, 상기 카테터를 찌부러트리는 단계 및 상기 카테터를 목적하는 생체내 도입로로부터 제거하는 단계를 추가로 포함한느 것을 특징으로 하는 방법.
  38. 제34항 내지 제37항 중 어느 한 항에 있어서, 상기 팽창력은 상기 1차 도입로 및 각각의 2차 도입로에 대해 동시에 제공되는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970702928A 1994-11-03 1995-11-03 팽창형 분지 스텐트 및 이것의 이식방법 KR100386784B1 (ko)

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GR3027774T3 (en) 1998-11-30
DE69502817T2 (de) 1999-02-25
CA2134997A1 (en) 1996-05-04
DK0751752T3 (da) 1999-03-22
CZ132997A3 (en) 1997-12-17
DE69502817D1 (de) 1998-07-09
KR100386784B1 (ko) 2004-02-19
US6099560A (en) 2000-08-08
AU3678599A (en) 1999-10-28
ATE231366T1 (de) 2003-02-15
AU3739795A (en) 1996-05-31
ATE166783T1 (de) 1998-06-15
JP3825044B2 (ja) 2006-09-20
CA2134997C (en) 2009-06-02
DE69529480D1 (de) 2003-02-27
WO1996014028A1 (en) 1996-05-17
CZ297296B6 (cs) 2006-11-15
EP0751752A1 (en) 1997-01-08
RU2180198C2 (ru) 2002-03-10
EP0847734A2 (en) 1998-06-17
EP0751752B1 (en) 1998-06-03
EP0847734B1 (en) 2003-01-22
ES2119487T3 (es) 1998-10-01
MX9703222A (es) 1998-03-31
HK1009322A1 (en) 1999-05-28
DE69529480T2 (de) 2003-11-27
JPH10508234A (ja) 1998-08-18
US5755771A (en) 1998-05-26
EP0847734A3 (en) 1998-11-11

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