JP4353481B2 - ステントグラフト固定装置 - Google Patents
ステントグラフト固定装置 Download PDFInfo
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- JP4353481B2 JP4353481B2 JP2004517802A JP2004517802A JP4353481B2 JP 4353481 B2 JP4353481 B2 JP 4353481B2 JP 2004517802 A JP2004517802 A JP 2004517802A JP 2004517802 A JP2004517802 A JP 2004517802A JP 4353481 B2 JP4353481 B2 JP 4353481B2
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Images
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
- A61F2/02—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
- 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
- A61F2/02—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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
-
- 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
- A61F2230/005—Rosette-shaped, e.g. star-shaped
-
- 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
-
- 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
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0067—Three-dimensional shapes conical
-
- 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)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
を有し、前記第1と第2の固定部は、それぞれの支柱の両側のグラフト材料に係合し、前記支柱の上を通る機械縫いの縫い目を有する。
出願人は、単繊維の縫合材料を用いて、ニチノール製またはステンレス製のZ−ステントをダクロン材料(Dacron material)内に固定する強さを決定する試験を行った。
固定構造 結果
1回の巻回/1個の固定部 10−15ニュートン
2回の巻回/1個の固定部 20−25ニュートン
3回の巻回/1個の固定部 30−35ニュートン
2回の巻回/2個の固定部 35ニュートン
固定構造 結果
1回の巻回/1個の固定部 17ニュートン
2回の巻回/1個の固定部 20ニュートン
3回の巻回/1個の固定部 23ニュートン
2回の巻回/2個の固定部 33−37ニュートン
動脈を流れる血流はステントグラフトにパルス状の負荷を与える。そのため、ステントグラフト上にステントを固定する長期に渡る有効性を決定するには周期的な疲労テストが有効である。実行されたテストは、1回と2回のループ/巻回のステントの取り付けの疲労に対する耐性を決定するために行われた。
試験 量 故障時の回数
1重(回)の縫合のゼニス(Zenith )
AAAステントグラフト1
テスト1 1 1,207,526
テスト2 1 5,715,987
テスト3 1 3,963,267
平均±SD 3,628,927±2,272,750
2重(回)の縫合のゼニス
AAAステントグラフト2
テスト4 1 満了(>2400万回以上)
破損しない
テスト5 1 満了(>2400万回以上)
破損しない
テスト6 1 満了(>2400万回以上)
破損しない
1各腎臓のステント取り付け部位に4個の固定結び目を具備した1個のダブルループ縫合(サンプル当たり10個の縫合)
2各腎臓のステント取り付け部位に4個の固定結び目を具備した2個のダブルループ縫合(サンプル当たり20個の縫合)
2 自己拡張型Zステント
3 支柱
4 曲げ部
5 固定部
6 第1固定部
7 第2固定部
8 縫合材料
9 かえし
10,11 支柱
12 曲げ部
13 弓状縫い目
14 グラフト材料
15 縫い目
16 縫合糸
17,19 縫い目
20 結び目
30 曲げ部
31,33 支柱
35 グラフト材料
38 縫合材料
37,39 縫い目
40 縫合材料
50 ステントグラフト
52 グラフト材料チューブ
54 自己拡張型Zステント
56 支柱
58 曲げ部
60 かえし
62 固定部
64 第1固定部
65 縫合材料
66 第2固定部
67 結び目
69 長さ
Claims (20)
- (A) グラフト材料と、
(B) 前記グラフト材料に固定され、そこから伸びるステントと、
前記ステントは、、複数の支柱とそれらの間の曲げ部とから構成され、前記曲げ部が頂部を規定し
(C) 前記ステントをグラフト材料に固定する、少なくとも2個の離間して配置された固定部と
を有し、
前記固定部は、前記ステントの周囲で、前記グラフト材料を貫通するフレキシブルな糸の巻回を少なくとも1回有し、
前記少なくとも2個の離間して配置された固定部は、前記ステントの頂部の曲げ部と支柱との結合部に配置されている
ことを特徴とする医療装置。 - 前記固定部は、前記ステントの周囲で、前記グラフト材料を通過するフレキシブルな糸の巻回を2回有する
ことを特徴とする請求項1記載の医療装置。 - 前記少なくとも2個の固定部は、前記糸を結ぶ結び目構造を有する
ことを特徴とする請求項1記載の医療装置。 - 前記結び目構造は、少なくとも2個、好ましくは4個の結び目を有する
ことを特徴とする請求項3記載の医療装置。 - 前記結び目構造は、前記グラフト材料の外側に配置されている
ことを特徴とする請求項3記載の医療装置。 - 前記フレキシブルな糸は、単繊維縫合材料と撚った縫合材料の少なくとも一方であることを特徴とする請求項1記載の医療装置。
- 前記グラフト材料は、ポリエステルと多孔性ポリテトラフルオロエチレンからなる群から選択された、生物適合性のある織った材料と編んだ材料の少なくとも一方を含む
ことを特徴とする請求項1記載の医療装置。 - 前記少なくとも2個の固定部の第1と第2の固定部は、前記グラフト材料をそれぞれの支柱の両側に係合させ、前記支柱の上を通る機械縫いの縫い目を有する
ことを特徴とする請求項1記載の医療装置。 - 前記ステントは、自己拡張Zステントである
ことを特徴とする請求項1記載の医療装置。 - 前記少なくとも2個の固定部の内の第1の固定部は、前記曲げ部の頂部に配置され、
前記少なくとも2個の固定部の内の他の固定部は、前記曲げ部に隣接する支柱上に配置される
ことを特徴とする請求項1記載の医療装置。 - 前記固定部は、前記糸の巻回がグラフト材料の同一分を貫通しない程度十分に離間して配置されている
ことを特徴とする請求項1記載の医療装置。 - 前記少なくとも2個の固定部の離間距離は、0.5mmから2mmの範囲である
ことを特徴とする請求項1記載の医療装置。 - (A) グラフト材料と、
(B) 第1支柱と、第2支柱と、それらの間に形成された曲げ部とを有するステントと、
(C) 前記第1支柱と第2支柱と曲げ部の内の少なくとも1つの周囲で、前記グラフト材料を貫通して巻回される第1固定部と、
(D) 前記第1支柱と第2支柱と曲げ部の内の少なくとも1つの周囲で、前記グラフト材料を貫通して巻回される第2固定部と、
を有し、
前記第2固定部は、第1固定部から最小スペース離間して配置される
ことを特徴とする医療装置。 - 前記固定部は、フレキシブルな細長い繊維で形成されている
ことを特徴とする請求項13記載の医療装置。 - 前記第1と第2の固定部は、2回巻回されている
ことを特徴とする請求項13記載の医療装置。 - 前記2個の固定部の離間距離は、0.5mmから2mmの範囲である
ことを特徴とする請求項13記載の医療装置。 - 前記ステントは、露出し、グラフト材料から離間して伸びている
ことを特徴とする請求項13記載の医療装置。 - 前記ステントは、複数の支柱と隣接する支柱間の曲げ部とを組み込んだ自己拡張Zステントである
ことを特徴とする請求項13記載の医療装置。 - 前記第1と第2の固定部は、前記グラフト材料をそれぞれの支柱の両側に係合させ、前記支柱の上を通る機械縫いの縫い目を有する
ことを特徴とする請求項13の医療装置。 - 前記各支柱上に少なくとも5個の縫い目、好ましくは10個の縫い目を有する
ことを特徴とする請求項19記載の医療装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39173702P | 2002-06-26 | 2002-06-26 | |
PCT/US2003/019997 WO2004002365A1 (en) | 2002-06-26 | 2003-06-24 | Stent-graft fastening |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005530587A JP2005530587A (ja) | 2005-10-13 |
JP2005530587A5 JP2005530587A5 (ja) | 2006-08-17 |
JP4353481B2 true JP4353481B2 (ja) | 2009-10-28 |
Family
ID=30000745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004517802A Expired - Lifetime JP4353481B2 (ja) | 2002-06-26 | 2003-06-24 | ステントグラフト固定装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7238198B2 (ja) |
EP (2) | EP2165675B1 (ja) |
JP (1) | JP4353481B2 (ja) |
AT (1) | ATE533433T1 (ja) |
AU (1) | AU2003247634B2 (ja) |
CA (1) | CA2487462C (ja) |
WO (1) | WO2004002365A1 (ja) |
Families Citing this family (85)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8038708B2 (en) * | 2001-02-05 | 2011-10-18 | Cook Medical Technologies Llc | Implantable device with remodelable material and covering material |
AU2003247634B2 (en) | 2002-06-26 | 2008-07-17 | Cook Incorporated | Stent-graft fastening |
DK1517652T3 (da) | 2002-06-28 | 2012-03-19 | Cook Medical Technologies Llc | Thorax-indfører |
US7550004B2 (en) * | 2002-08-20 | 2009-06-23 | Cook Biotech Incorporated | Endoluminal device with extracellular matrix material and methods |
AU2003258337A1 (en) | 2002-08-23 | 2004-03-11 | Cook Incorporated | Asymmetric stent graft attachment |
AU2003262754B2 (en) * | 2002-08-23 | 2007-06-21 | Cook Incorporated | Composite prosthesis |
EP1567093B1 (en) * | 2002-12-04 | 2009-01-21 | Cook Incorporated | Method and device for treating aortic dissection |
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EP2165675B1 (en) | 2018-03-07 |
JP2005530587A (ja) | 2005-10-13 |
US20040054396A1 (en) | 2004-03-18 |
AU2003247634B2 (en) | 2008-07-17 |
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