JP4624070B2 - 動脈瘤の頸部被覆器具 - Google Patents
動脈瘤の頸部被覆器具 Download PDFInfo
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- JP4624070B2 JP4624070B2 JP2004314243A JP2004314243A JP4624070B2 JP 4624070 B2 JP4624070 B2 JP 4624070B2 JP 2004314243 A JP2004314243 A JP 2004314243A JP 2004314243 A JP2004314243 A JP 2004314243A JP 4624070 B2 JP4624070 B2 JP 4624070B2
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- aneurysm
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
- A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
- A61B17/12118—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm for positioning in conjunction with a stent
-
- 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
- A61F2002/823—Stents, different from stent-grafts, adapted to cover an aneurysm
-
- 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
- A61F2002/828—Means for connecting a plurality of stents allowing flexibility of the whole 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
- A61F2/82—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
- A61F2002/91541—Adjacent bands are arranged out of phase
-
- 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
- A61F2002/9155—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
- 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
Description
(1)医用器具であって、近位部分、遠位部分及び長手方向軸線を備えた中空管状部材の形態をした拡張可能なステントと、近位端部及び遠位端部を備えた正弦波形要素の形態をした第1のブリッジ部材と、近位端部及び遠位端部を備えた正弦波形要素の形態をした第2のブリッジ部材と、当初複数のプリーツに沿って折り畳まれた形状記憶シートで形成された第1の自己拡張型動脈瘤カバーと、当初複数のプリーツに沿って折り畳まれた形状記憶シートで作られた第2の自己拡張型動脈瘤カバーとを有し、前記第1のブリッジ部材の前記近位端部は、前記拡張可能なステントの遠位部分に結合されていて、前記拡張可能なステントの長手方向軸線に実質的に平行な方向で前記拡張可能なステントの遠位部分から遠位側へ延び、前記第2のブリッジ部材の前記近位端部は、前記拡張可能なステントの遠位部分に結合されていて、前記拡張可能なステントの長手方向軸線に実質的に平行な方向で前記拡張可能なステントの遠位部分から遠位側へ延び、前記第1の動脈瘤カバーは、前記第1のブリッジ部材の遠位端部に結合された状態でこれから延びていて、拡張時、平らになると共に前記拡張可能なステントの長手方向軸線に実質的に垂直な平面内に位置し、前記第2の動脈瘤カバーは、前記第2のブリッジ部材の遠位端部に結合された状態でこれから延びていて、拡張時、平らになると共に前記拡張可能なステントの長手方向軸線に実質的に垂直な平面内に位置することを特徴とする医用器具。
(2)前記第1及び第2の動脈瘤カバーは、第1及び第2の平らな表面を有し、前記第1の動脈瘤カバーの第1の表面は、前記第1及び第2の動脈瘤カバーの拡張時、前記第2の動脈瘤カバーの第2の表面と平坦接触状態にあることを特徴とする上記実施形態(1)の医用器具。
(3)前記動脈瘤カバーは、ポリマーから作られていることを特徴とする上記実施形態(2)記載の医用器具。
(4)前記動脈瘤カバーは、カプロラクトン−(ポリ)乳酸で構成されていることを特徴とする上記実施形態(3)記載の医用器具。
(5)前記動脈瘤カバーは、ポリウレタンで構成されていることを特徴とする上記実施形態(3)記載の医用器具。
(7)前記動脈瘤カバーは、血管の再狭窄を阻止する薬剤で被覆されていることを特徴とする上記実施形態(3)記載の医用器具。
(8)近位端部及び遠位端部を備えた拡張可能な中空管状本体を有するアンカー部材と、近位端部及び遠位端部を備えた細長いワイヤの形態をしていて、前記アンカー部材の遠位端部に結合された状態でこれから延びるブリッジ部材と、拡張時、全体として平らな形態を取るよう前記ブリッジ部材の遠位端部から延びる拡張可能な構造体の形態をした動脈瘤カバーとで構成されていることを特徴とする医用器具。
(9)前記動脈瘤カバーは、当初複数のプリーツに沿って折り畳まれている形状記憶ポリマーで構成され、拡張時、全体として平らな形態を取ることを特徴とする上記実施形態(8)記載の医用器具。
(10)前記動脈瘤カバーは、カプロラクトン−(ポリ)乳酸で構成されていることを特徴とする上記実施形態(9)記載の医用器具。
(12)前記血流ダイバータは、形状記憶ポリマー材料で構成されていることを特徴とする上記実施形態(11)記載の医用器具。
12 運搬カテーテル
14 ルアーコネクタ
16 頸部被覆機構
18 コアワイヤ
20 支持ステント
21 骨格的管状部材
22 カバー部材
23 セル
24 ブリッジ部材
28,30,34,36 ストラット部材
Claims (6)
- 医用器具であって、
近位部分、遠位部分及び長手方向軸線を備えた中空管状部材の形態をした拡張可能なステントと、
近位端部及び遠位端部を備えた正弦波形要素の形態をした第1のブリッジ部材と、
近位端部及び遠位端部を備えた正弦波形要素の形態をした第2のブリッジ部材と、
当初複数のプリーツに沿って折り畳まれた形状記憶シートで形成された第1の自己拡張型動脈瘤カバーと、
当初複数のプリーツに沿って折り畳まれた形状記憶シートで作られた第2の自己拡張型動脈瘤カバーと、を有し、
前記第1のブリッジ部材の前記近位端部は、前記拡張可能なステントの遠位部分に結合されていて、前記拡張可能なステントの長手方向軸線に実質的に平行な方向で前記拡張可能なステントの遠位部分から遠位側へ延び、
前記第2のブリッジ部材の前記近位端部は、前記拡張可能なステントの遠位部分に結合されていて、前記拡張可能なステントの長手方向軸線に実質的に平行な方向で前記拡張可能なステントの遠位部分から遠位側へ延び、
前記第1の動脈瘤カバーは、前記第1のブリッジ部材の遠位端部に結合された状態でこれから延びていて、拡張時、平らになると共に前記拡張可能なステントの長手方向軸線に実質的に垂直な平面内に位置し、
前記第2の動脈瘤カバーは、前記第2のブリッジ部材の遠位端部に結合された状態でこれから延びていて、拡張時、平らになると共に前記拡張可能なステントの長手方向軸線に実質的に垂直な平面内に位置し、
前記第1の動脈瘤カバーは第1の表面を有し、前記第2の動脈瘤カバーは第2の表面を有し、前記第1及び第2の動脈瘤カバーの拡張時、前記第1の動脈瘤カバーの第1の表面は、前記第2の動脈瘤カバーの第2の表面と接触状態にあることを特徴とする、医用器具。 - 前記第1及び第2の動脈瘤カバーは、ポリマーから作られていることを特徴とする請求項1記載の医用器具。
- 前記第1及び第2の動脈瘤カバーは、カプロラクトン−(ポリ)乳酸で構成されていることを特徴とする請求項2記載の医用器具。
- 前記第1及び第2の動脈瘤カバーは、ポリウレタンで構成されていることを特徴とする請求項2記載の医用器具。
- 前記第1及び第2の動脈瘤カバーは、抗痙攣性薬剤で被覆されていることを特徴とする請求項2記載の医用器具。
- 前記第1及び第2の動脈瘤カバーは、血管の再狭窄を阻止する薬剤で被覆されていることを特徴とする請求項2記載の医用器具。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/696,691 US7232461B2 (en) | 2003-10-29 | 2003-10-29 | Neck covering device for an aneurysm |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005131406A JP2005131406A (ja) | 2005-05-26 |
JP4624070B2 true JP4624070B2 (ja) | 2011-02-02 |
Family
ID=34423377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004314243A Active JP4624070B2 (ja) | 2003-10-29 | 2004-10-28 | 動脈瘤の頸部被覆器具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7232461B2 (ja) |
EP (1) | EP1527753B1 (ja) |
JP (1) | JP4624070B2 (ja) |
DE (1) | DE602004012037T2 (ja) |
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