JP4476296B2 - 管状プロテーゼ - Google Patents
管状プロテーゼ Download PDFInfo
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- JP4476296B2 JP4476296B2 JP2006552659A JP2006552659A JP4476296B2 JP 4476296 B2 JP4476296 B2 JP 4476296B2 JP 2006552659 A JP2006552659 A JP 2006552659A JP 2006552659 A JP2006552659 A JP 2006552659A JP 4476296 B2 JP4476296 B2 JP 4476296B2
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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
- A61F2/848—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or 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
- A61F2/02—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
- A61F2002/072—Encapsulated stents, e.g. wire or whole stent embedded in lining
-
- 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
- A61F2/848—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
- A61F2002/8486—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs provided on at least one of the ends
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2002/9505—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument
- A61F2002/9511—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument the retaining means being filaments or wires
-
- 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
- A61F2220/0008—Fixation appliances for connecting prostheses to 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
- 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
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
- A61F2220/0016—Fixation appliances for connecting prostheses to the body with sharp anchoring protrusions, e.g. barbs, pins, spikes
-
- 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
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0013—Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-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
Description
これらの、留め付け手段は十分に信頼できるものではなく、また、所定位置に配置するのが難しい。
・各フックは接続端において格子に接続されており、プロテーゼが変形する間に、クランプを形成するフックは互いに相対的に変位可能である。
・格子は変形可能な四辺形を構成する網の目を形成する交差するワイヤからなり、各フックは格子の四辺形の角に接続される。
・各フックは接続端において格子に溶接または半田付けされる。
・各フックは接続端において格子の周りに巻かれたストランドによって接続されるように延びている。
・クランプを形成する各フックは留め端において湾曲形状部を有し、各フックはクランプを形成するように少なくとも部分的に重なっている。
・各フックは実質的に直線の刃形状であり、2つのフックは対向して延びており、クランプが開いているときは互いに離れている。
・格子は拡張した位置に向かって弾性的に変形可能である。
・上述のように定義されるプロテーゼを有する。
・各クランプの近傍あるいはクランプにおいて格子を収縮した状態に保つ手段を有する。
・プロテーゼを収縮した状態に閉じ込めるための閉じ込め管を形成する格子運搬管を有する。
図1は血管の所定位置に配置するための管状プロテーゼを示している。本プロテーゼはプロテーゼの実質的に全長にわたってフィルム14に埋め込まれた管状格子12からなる。プロテーゼの一方の端部の付近において、本プロテーゼは、外周に一定の角度で間隔を空けて配置された3つのクランプ16を有している。
格子12は、直径の小さな収縮した状態から直径の大きな拡張した状態まで半径方向に拡張できるように、弾性的に変形可能であることが好ましい。
主要領域22上において、格子12は完全にフィルム14に埋め込まれている。このフィルムは伸縮性かつ撥水性の素材から構成され、網の目を埋める。
さらに、開いた位置に保持されたクランプを有するプロテーゼは、従来の方式で運搬管32に収容されており、プロテーゼは収縮した状態に運搬管32内に閉じ込められている。
図3Bおよび図3Cに示すように、クランプを開いた状態に保持する手段は、例えば、ポリエーテルエーテルケトン(PEEK)のような、可撓性のチューブ34を有している。チューブ34は、血管内に挿入される遠位側端部36から、患者の身体の外側の術者が操作できるように設計された近位側端部38との間を長手方向に延びる。このようにチューブ34は、約1mの長さとすることができる。
ロッド44はチューブ34の中を、ロッドが開口部40と対面する保持位置から、ロッド44が開口部40から離れる解放位置まで移動可動であり、チューブ34の近方の端部に向かって引き抜かれる。
プロテーゼからの作用によりクランプが閉じた状態に弾性的に保持されることで、このようなプロテーゼは、血管の内面に対して有効に保持されるということが理解できるであろう。さらに、プロテーゼが所定位置に配置されると同時にクランプが閉じるので、このようなプロテーゼは相対的に設置しやすい。
図6に示される導管プロテーゼは、ワイヤF1、F2、およびF3のような8本の金属ワイヤからなる格子100からなり、ワイヤは以下に詳細に説明する方法で互いに撚り合わされている。格子の長さ方向に沿って、図6の下方向に向ってこれらのワイヤは複数の連続的な領域を形成し、以下の特徴を有している。
・端部領域102は8つの輪104を有する。
・連続的な区域106は捩じれた結び目108の外周環を有する。
・端部領域111は、端部捩じれ112を有している。
・輪104は、ワイヤF1を輪にして少なくとも半回転捩じることで構成される。
・各結び目108はワイヤF1を隣接するワイヤF2あるいはワイヤF3とともに、1回転以上捩じることで構成される。
図7に示す実施態様において、フック218は概ね直線状のロッドである単純な部材で形成されており、各部材は網の目の端部に固定された一方の端部と、格子の概ね円筒形の外側表面から、格子の外側に向かって突き出したもう一方の端部を有している。
Claims (9)
- 直径の小さい収縮した状態と直径の大きい拡張した状態との間を変形可能な格子(12)を有する半径方向に変形可能な管状プロテーゼ(10)であって、
前記プロテーゼは、外部組織に留め付けるためのクランプ(16)を形成する少なくとも2つの外部フック(18;118;218)を有し、
前記2つのフック(18;118;218)は、前記格子(12)に保持され、かつ、前記2つのフック(18;118;218)は、前記クランプ(16)が開いた状態となる離れた位置と、前記クランプ(16)が閉じた状態となる互いに接近した位置との間を変位可能であり、前記各フック(18;118;218)は接続端で前記格子(12)に接続されており、前記プロテーゼが変形する間にクランプ(16)を形成する前記フック(18;118;218)は、相対的に変位可能であることを特徴とするプロテーゼ。 - 前記格子(12)は変形可能な四辺形を構成する網の目を形成する交差するワイヤからなり、前記各フック(18;118;218)は前記格子の四辺形の角に接続されていることを特徴とする請求項1に記載のプロテーゼ。
- 前記各フック(18;218)は接続端において、前記格子(12)に溶接あるいは半田付けされていることを特徴とする請求項1または2に記載のプロテーゼ。
- 前記各フック(118)は、接続端において、格子(12)の周りに巻かれたストランド(120)によって接続されるように延びていることを特徴とする請求項1または2に記載のプロテーゼ。
- 前記クランプを形成する前記各フック(18)は、留め端において湾曲形状部(24)を有し、前記2つのフック(18)は、前記クランプ(16)を形成するように少なくとも部分的に重なっていることを特徴とする請求項1乃至4のいずれか1項に記載のプロテーゼ。
- 前記各フック(218)は、実質的に直線の刃形状であり、前記2つのフック(218)は対向して延びており、クランプが開いているときは互いに離れていることを特徴とする請求項1乃至4のいずれか1項に記載のプロテーゼ。
- 前記格子(12)は拡張した位置に向かって弾性的に変形可能であることを特徴とする請求項1乃至6のいずれか1項に記載のプロテーゼ。
- 血管を処置するキットであって、前記キットは、
請求項1乃至7のいずれか1項に記載のプロテーゼと、
各クランプの近傍またはクランプにおいて格子を収縮した状態に保つ手段(30)と、
前記プロテーゼを収縮した状態に閉じ込めるための閉じ込め管を形成する格子運搬管(32)とを有することを特徴とする血管を処置するキット。 - 前記運搬管(32)の前記閉じ込め管は、フック(18)を受けるための長手方向チャネル(33)を有することを特徴とする請求項8に記載の血管を処置するキット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0401366A FR2865926B1 (fr) | 2004-02-11 | 2004-02-11 | Prothese tubulaire. |
PCT/FR2005/000291 WO2005079705A1 (fr) | 2004-02-11 | 2005-02-09 | Prothese tubulaire |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007521901A JP2007521901A (ja) | 2007-08-09 |
JP4476296B2 true JP4476296B2 (ja) | 2010-06-09 |
Family
ID=34778690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006552659A Expired - Fee Related JP4476296B2 (ja) | 2004-02-11 | 2005-02-09 | 管状プロテーゼ |
Country Status (7)
Country | Link |
---|---|
US (1) | US8361137B2 (ja) |
EP (1) | EP1713414B1 (ja) |
JP (1) | JP4476296B2 (ja) |
CN (1) | CN1917831B (ja) |
DE (1) | DE602005020252D1 (ja) |
FR (1) | FR2865926B1 (ja) |
WO (1) | WO2005079705A1 (ja) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7491232B2 (en) | 1998-09-18 | 2009-02-17 | Aptus Endosystems, Inc. | Catheter-based fastener implantation apparatus and methods with implantation force resolution |
US20050070992A1 (en) | 2001-11-28 | 2005-03-31 | Aptus Endosystems, Inc. | Prosthesis systems and methods sized and configured for the receipt and retention of fasteners |
US7637932B2 (en) * | 2001-11-28 | 2009-12-29 | Aptus Endosystems, Inc. | Devices, systems, and methods for prosthesis delivery and implantation |
US20050177180A1 (en) | 2001-11-28 | 2005-08-11 | Aptus Endosystems, Inc. | Devices, systems, and methods for supporting tissue and/or structures within a hollow body organ |
US20070073389A1 (en) | 2001-11-28 | 2007-03-29 | Aptus Endosystems, Inc. | Endovascular aneurysm devices, systems, and methods |
US9320503B2 (en) | 2001-11-28 | 2016-04-26 | Medtronic Vascular, Inc. | Devices, system, and methods for guiding an operative tool into an interior body region |
CN100479786C (zh) | 2001-11-28 | 2009-04-22 | 阿普特斯内系统公司 | 血管内动脉瘤修复系统 |
US8231639B2 (en) | 2001-11-28 | 2012-07-31 | Aptus Endosystems, Inc. | Systems and methods for attaching a prosthesis within a body lumen or hollow organ |
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-
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WO2005079705A1 (fr) | 2005-09-01 |
CN1917831A (zh) | 2007-02-21 |
JP2007521901A (ja) | 2007-08-09 |
FR2865926A1 (fr) | 2005-08-12 |
EP1713414A1 (fr) | 2006-10-25 |
DE602005020252D1 (en) | 2010-05-12 |
US20070043432A1 (en) | 2007-02-22 |
EP1713414B1 (fr) | 2010-03-31 |
CN1917831B (zh) | 2010-05-26 |
US8361137B2 (en) | 2013-01-29 |
FR2865926B1 (fr) | 2006-05-12 |
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