JP6221141B2 - 腹部大動脈内への留置のためのステントグラフト人工補綴具 - Google Patents
腹部大動脈内への留置のためのステントグラフト人工補綴具 Download PDFInfo
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- JP6221141B2 JP6221141B2 JP2015508944A JP2015508944A JP6221141B2 JP 6221141 B2 JP6221141 B2 JP 6221141B2 JP 2015508944 A JP2015508944 A JP 2015508944A JP 2015508944 A JP2015508944 A JP 2015508944A JP 6221141 B2 JP6221141 B2 JP 6221141B2
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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
- A61F2/86—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
- 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
- A61F2002/065—Y-shaped blood vessels
- A61F2002/067—Y-shaped blood vessels modular
-
- 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
- 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
- A61F2250/0018—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 elasticity, stiffness or compressibility
-
- 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
- A61F2250/0029—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 bending or flexure capacity
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- 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
Claims (20)
- 血管内に埋め込むための人工補綴具であって、
グラフト材料の管状本体と、
前記管状本体から外に延在する、第1のカップリング及び該第1のカップリングに対向する第2のカップリングであって、各カップリングは、前記管状本体に結合したベース、前記管状本体から離間した上部、及び、前記管状本体によって画定される管腔と流体連通状態にある、前記ベースと前記上部との間に配設されたカップリング管腔を含む、第1及び第2の対向するカップリングと、
前記カップリングの近位で前記管状本体に結合し、複数のクラウン及び複数のストラットを含む可変剛性ステントと
を備え、各クラウンは一対の対向するストラット間に形成され、前記可変剛性ステントは、少なくとも2つの柔軟性がより大きいゾーンと、少なくとも2つの柔軟性がより小さいゾーンを含み、
前記少なくとも2つの柔軟性がより大きいゾーンと、前記少なくとも2つの柔軟性がより小さいゾーンは、前記可変剛性ステントの円周を形成し、
前記少なくとも2つの柔軟性がより大きいゾーンは各々、少なくとも2つの連続するストラットと、該少なくとも2つの連続するストラットに結合された少なくとも2つのクラウンを含み、
前記少なくとも2つの柔軟性がより小さいゾーンは各々、少なくとも2つの連続するストラットと、該少なくとも2つの連続するストラットに結合された少なくとも2つのクラウンを含み、
前記少なくとも2つの柔軟性がより大きいゾーンの1つは、前記第1のカップリングにほぼ円周方向に整列し、前記少なくとも2つの柔軟性がより大きいゾーンの他の1つは、前記第2のカップリングにほぼ周方向に整列する、人工補綴具。 - 前記可変剛性ステントは、第1の柔軟性の第1のゾーン、第2の柔軟性の第2のゾーン、第3の柔軟性の第3のゾーン、及び第4の柔軟性の第4のゾーンを含む4つの連続する交互の柔軟性のゾーンを含み、前記第1の柔軟性及び前記第3の柔軟性は前記第2の柔軟性及び前記第4の柔軟性より大きい、請求項1に記載の人工補綴具。
- 前記第1のゾーンのストラットは前記第2のゾーンのストラットより長い、請求項2に記載の人工補綴具。
- 前記第1のゾーンのストラットは前記第2のゾーンのストラットより薄い、請求項2に記載の人工補綴具。
- 前記第2のゾーンのストラットは、連続するワイヤ上をたどって滑動された一連のチューブによって形成される、請求項4に記載の人工補綴具。
- 前記カップリングの遠位で前記管状本体に結合したステントを更に備える、請求項1に記載の人工補綴具。
- 各カップリングは、グラフト材料から形成され、カップリングに結合された支持ステントを含む、請求項1に記載の人工補綴具。
- 前記管状本体の第2の端部に結合した第1及び第2の管状脚部を有する2分岐部分を更に備え、前記第1及び第2の管状脚部は、前記管状本体によって画定される管腔と流体連通状態にある管腔を画定し、前記管状本体は、腹部大動脈内への留置のために構成され、前記第1及び第2の管状脚部は、前記腹部大動脈内への前方留置及び後方留置のために構成される、請求項1に記載の人工補綴具。
- 複数のクラウン及び複数のストラットを含むアンカーステントを更に備え、各クラウンは一対の対向するストラット間に形成され、第1の最近位のセットのクラウンは前記管状本体の第1の縁部を超えて延在し、第2の対向するセットのクラウンは前記管状本体の前記第1の縁部に結合する、請求項1に記載の人工補綴具。
- 上部が開口した開窓として前記管状本体の第1の縁部から延在するための、前記グラフト材料から取除かれたスカロップを更に備え、前記スカロップは、第1の側部縁と該第1の側部縁に対向する第2の側部縁、並びに前記第1の側部縁及び前記第2の側部縁の間に延在する下部縁を含む、請求項1に記載の人工補綴具。
- 前記スカロップは、長楕円形形状を有し、前記第1の側部縁及び前記第2の側部縁は前記下部縁より長く、前記長楕円形形状は、上腸間膜動脈(SMA)の小孔より大きいサイズに作られる、請求項10に記載の人工補綴具。
- 前記管状本体の前記第1の縁部に隣接して前記管状本体に結合し、複数のクラウン及び複数のストラットを含むシールステントを更に備え、各クラウンは一対の対向するストラット間に形成され、
前記シールステントは、4つの連続するストラットを有する一体の伸長部分を含み、前記4つの連続するストラットは、前記スカロップの前記第1の側部縁に沿って延在する第1の長いストラット、2つの短いストラットであって、前記スカロップの前記下部縁の遠位に延在するクラウンを2つの短いストラット間に有する、2つの短いストラット、及び、前記スカロップの前記第2の側部縁に沿って延在する第2の長いストラットを含み、前記第1及び第2の長いストラットは前記2つの短いストラットより長い、請求項10に記載の人工補綴具。 - 前記第1及び第2の長いストラットは、前記スカロップの前記第1の側部縁及び前記第2の側部縁の一方の長さ及び前記2つの短いストラットの一方の長さより大きい長さを有する、請求項12に記載の人工補綴具。
- 前記2つの短いストラットの間に延在する前記クラウンは、前記スカロップの前記下部縁の中間点に位置決めされる、請求項12に記載の人工補綴具。
- 前記一体の伸長部分の前記4つの連続するストラット以外の前記シールステントの残りのストラットは、前記第1及び第2の長いストラットより短い、請求項12に記載の人工補綴具。
- 前記残りのストラットは、互いに長さが等しい、請求項15に記載の人工補綴具。
- 前記第1及び第2の長いストラットは長さが等しく、前記2つの短いストラットは長さが等しい、請求項12に記載の人工補綴具。
- 管腔内ステントデバイスであって、
複数のクラウン及び複数のストラットを含む自己拡張型材料の正弦波パターン化リングを備え、各クラウンは一対の対向するストラット間に形成され、
前記正弦波パターン化リングは、第1の柔軟性の第1のゾーン、第2の柔軟性の第2のゾーン、第3の柔軟性の第3のゾーン、及び第4の柔軟性の第4のゾーンを含む4つの連続する交互の柔軟性のゾーンを含み、前記第1の柔軟性及び前記第3の柔軟性は前記第2の柔軟性及び前記第4の柔軟性より大きく、各ゾーンは、前記正弦波パターン化リングの80°と100°との間にある管腔内ステントデバイス。 - 前記第1のゾーンのストラットは前記第2のゾーンのストラットより長い、請求項18に記載の管腔内ステントデバイス。
- 前記第1のゾーンのストラットは前記第2のゾーンのストラットより薄い、請求項18に記載の管腔内ステントデバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/458,242 US9737394B2 (en) | 2012-04-27 | 2012-04-27 | Stent-graft prosthesis for placement in the abdominal aorta |
US13/458,242 | 2012-04-27 | ||
PCT/US2013/026680 WO2013162683A1 (en) | 2012-04-27 | 2013-02-19 | Stent-graft prosthesis for placement in the abdominal aorta |
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JP2015517846A JP2015517846A (ja) | 2015-06-25 |
JP6221141B2 true JP6221141B2 (ja) | 2017-11-01 |
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JP2015508944A Active JP6221141B2 (ja) | 2012-04-27 | 2013-02-19 | 腹部大動脈内への留置のためのステントグラフト人工補綴具 |
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US (1) | US9737394B2 (ja) |
EP (1) | EP2841013B1 (ja) |
JP (1) | JP6221141B2 (ja) |
CN (1) | CN104271074B (ja) |
WO (1) | WO2013162683A1 (ja) |
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US9737394B2 (en) | 2017-08-22 |
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CN104271074A (zh) | 2015-01-07 |
CN104271074B (zh) | 2017-06-23 |
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