JP4980370B2 - 腹部大動脈瘤を補強するための血管内送達が可能なステント - Google Patents
腹部大動脈瘤を補強するための血管内送達が可能なステント Download PDFInfo
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- JP4980370B2 JP4980370B2 JP2008550311A JP2008550311A JP4980370B2 JP 4980370 B2 JP4980370 B2 JP 4980370B2 JP 2008550311 A JP2008550311 A JP 2008550311A JP 2008550311 A JP2008550311 A JP 2008550311A JP 4980370 B2 JP4980370 B2 JP 4980370B2
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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
- 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
- A61F2/852—Two or more distinct overlapping stents
-
- 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
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
-
- 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
- A61F2/856—Single tubular stent with a side portal passage
-
- 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
- A61F2002/061—Blood vessels provided with means for allowing access to secondary lumens
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
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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
- A61F2250/0014—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
- A61F2250/0015—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 density or specific weight
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/04—Heat-responsive characteristics
- D10B2401/046—Shape recovering or form memory
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/06—Vascular grafts; stents
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (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)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
Claims (12)
- 腹部大動脈瘤を治療するための、カテーテルによる送達が可能なステントであって、
(a)第1の長さを持ち、第1の形状記憶合金からなる第1の複数の編み込まれたワイヤストランドで形成される第1の編み目構造(braid)を有する最も内側にある第1の管状構造物であって、該第1の編み目構造が、それを通る血流を大きく(materially)妨げないよう十分に大きな開口部を規定する所定のピック及びピッチ(pick and pitch)を該第1の長さにわたって有する、第1の管状構造物と、
(b)該第1の管状構造物を包囲しほぼ同軸に位置する関係で配置され、該第1の管状構造物より短い第2の長さを有する、少なくとも1つの第2の管状構造物であって、第2の形状記憶合金からなり該第1のワイヤストランドより数が多い第2の複数の編み込まれたワイヤストランドで形成される第2の編み目構造を有し、該第2の編み目構造が、血流がそれを通ることを実質的に排除するように十分に小さな開口部を規定する所定のピック及びピッチを該第2の長さにわたって有する、第2の管状構造物とを含み、
(c)該最内の第1の管状構造物と、該第2の管状構造物とが、所定の直径へと自己拡張可能な複合管状構造体を形成し、
該複合管状構造体を長手方向に伸長することによって、該複合管状構造体の外径が、血管内送達用カテーテルの管腔に搭載できるよう十分に縮小し、該カテーテルから該ステントを放出することによって、該複合管状構造体の外径が該所定の直径へと再び拡張する、カテーテルによる送達が可能なステント。 - 前記第1の管状構造物における、前記第2の管状構造物の末端を超えて延びる部分が、該第2の管状構造物が腹部大動脈瘤に跨がる(bridge)際、患者の腎動脈の患者の腹部大動脈への接合部に重なる(overlay)ように適合されている、請求項1に記載のカテーテル送達が可能なステント。
- 前記第1の管状構造物の編み目構造(braid)が、約0.0016平方インチの開口部を有し、前記第2の構造物の編み目構造が、約0.0001平方インチの開口部を有する、請求項1又は2に記載のステント。
- 前記第1の管状構造物の編み目構造は、36のストランドからなり、前記第2の管状構造物の編み目構造は、144のストランドからなる、請求項3に記載のカテーテル送達が可能なステント。
- 前記第1の管状構造物の編み目構造は、直径0.002インチから0.010インチのワイヤストランドからなる、請求項1〜4の何れか1項に記載のカテーテル送達が可能なステント。
- 前記第2の管状構造物の編み目構造は、直径0.001インチのワイヤストランドからなる、請求項4に記載のカテーテル送達が可能なステント。
- 前記第1の形状記憶合金が前記第2の形状記憶合金と同じである、請求項1〜6に記載のカテーテル送達が可能なステント。
- 前記第1の形状記憶合金又は前記第2の形状記憶合金がニチノール(登録商標)を含む、請求項1〜7の何れか1項に記載のカテーテル送達が可能なステント。
- 前記第1の管状構造物を構成するストランドの両端が、径方向外向きに10度から30度フレア状になっている、請求項1〜8の何れか1項に記載のカテーテル送達が可能なステント。
- 更に、形状記憶合金からなる第3の管状構造物が、前記第2の管状構造物を、所定の長さでほぼ同軸で囲むように配置されている、請求項1〜9の何れか1項に記載のカテーテル送達が可能なステント。
- 前記第3の管状構造物が、血流がそれを通ることを実質的に排除するように十分に小さな開口部を規定する所定のピック及びピッチをその第3の長さにわたって有する編み目構造を具備する、請求項10に記載のカテーテル送達が可能なステント。
- 前記第3の管状構造物が、直径0.001インチの144の編み込まれたワイヤストランドを含む、請求項11に記載のカテーテル送達が可能なステント。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/331,640 | 2006-01-13 | ||
US11/331,640 US8900287B2 (en) | 2006-01-13 | 2006-01-13 | Intravascular deliverable stent for reinforcement of abdominal aortic aneurysm |
PCT/US2006/045524 WO2007087005A2 (en) | 2006-01-13 | 2006-11-28 | Intravascular deliverable stent for reinforcement of abdominal aortic aneurysm |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009523482A JP2009523482A (ja) | 2009-06-25 |
JP4980370B2 true JP4980370B2 (ja) | 2012-07-18 |
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ID=38264261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008550311A Expired - Fee Related JP4980370B2 (ja) | 2006-01-13 | 2006-11-28 | 腹部大動脈瘤を補強するための血管内送達が可能なステント |
Country Status (6)
Country | Link |
---|---|
US (1) | US8900287B2 (ja) |
EP (1) | EP2001403B1 (ja) |
JP (1) | JP4980370B2 (ja) |
CN (1) | CN101400319B (ja) |
BR (1) | BRPI0620993B1 (ja) |
WO (1) | WO2007087005A2 (ja) |
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BRPI0620993B1 (pt) | 2018-07-10 |
WO2007087005A2 (en) | 2007-08-02 |
EP2001403A4 (en) | 2015-07-15 |
WO2007087005A3 (en) | 2008-06-12 |
JP2009523482A (ja) | 2009-06-25 |
CN101400319A (zh) | 2009-04-01 |
EP2001403A2 (en) | 2008-12-17 |
BRPI0620993A2 (pt) | 2011-11-29 |
EP2001403B1 (en) | 2017-01-04 |
US20070168018A1 (en) | 2007-07-19 |
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