JP6500135B2 - ステントグラフトの縫合糸のロック - Google Patents
ステントグラフトの縫合糸のロック Download PDFInfo
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- JP6500135B2 JP6500135B2 JP2018021946A JP2018021946A JP6500135B2 JP 6500135 B2 JP6500135 B2 JP 6500135B2 JP 2018021946 A JP2018021946 A JP 2018021946A JP 2018021946 A JP2018021946 A JP 2018021946A JP 6500135 B2 JP6500135 B2 JP 6500135B2
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Images
Classifications
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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
- A61F2002/065—Y-shaped blood vessels
-
- 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
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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
- A61F2250/0039—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
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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)
- Media Introduction/Drainage Providing Device (AREA)
Description
動脈瘤は、通常は全身性コラーゲンの合成の欠陥又は構造上の欠陥により引き起こされる、動脈壁の1つの層又は複数の層の異常な拡張である。腹部大動脈瘤は、通常は2つの腸骨動脈のうちの片側若しくは両側の中若しくは近くに位置する、又は腎動脈の近くに位置する、腹部の大動脈における動脈瘤である。動脈瘤は、病変部の大動脈の腎臓下の部分、例えば腎臓の下方で生じることが多い。胸部大動脈瘤は、胸部の大動脈における動脈瘤である。治療せずに放置されると、動脈瘤は、破裂する可能性があり、通常急速で致命的な出血を引き起こす。
各レッグ部106及び108は、互いに独立して自由に動くことができる。しかしながら、基幹部102との接合部に近位の、各レッグ部106及び108のグラフト材料110は、縫合糸144で一緒に縫い合わせられる。これは、もしレッグ部106及び108が移動した場合にグラフト材料110が裂けるのを防ぐために行なわれる。
この熱処理プロセスにより、例えば、摂氏約15度の比較的狭い温度範囲において生じるマルテンサイトからオーステナイトへの変態を有するステントが提供される。
この表面は、良好な耐腐食性、疲労抵抗、及び耐摩耗性を取り込むことが分かっている。
本質的に、それらは、縫合糸の結び目の端部を溶融することにより形成され、したがって、縫合糸の直径より大きい直径を有する様々な形状に成形することができる。成形なしで、加熱した端部は、単に溶融して球状又はボールのような形状になる。他の実施形態では、追加の要素が、本発明中でステントグラフトの縫合糸のロックと呼ばれる保持要素を形成するために、縫合糸の端部に付けられてもよい。
言いかえれば、モジュラー構成部品を有しており、長期間にわたって強い生物学的な力を受ける機器は、1つの構成部品の結び目が別の構成部品の下側の構造体の少なくとも一部に本質的に接続されているので、相対運動が抑制される。例えば、エンドバスキュラーグラフト200の第1のステント要素202の縫合糸216が、本発明にしたがって結ばれる場合は、エンドバスキュラーグラフト200が、固定及びシーリング構成部品100のレッグ部106又は108のうちの1つに差し込まれると、変更した結び目は、ステントセグメント136のうちの少なくとも1つの要素と係合することになる。
Claims (5)
- ステントグラフトの縫合糸のロックにおいて、
実質的に管状のステント構造体と、
前記ステント構造体に付けられることによって、血管内に配置されるように構成される流体を輸送する導管である第1のステントグラフトを作り出す、グラフト材料と、
前記グラフト材料を前記ステント構造体に締結するための複数の固定要素であって、前記複数の固定要素の一部が、縫合糸の材料から作られた結び目のある縫い目である、複数の固定要素と、
前記結び目のある縫い目の少なくとも一部の端部に形成された少なくとも1つの突出要素を有する、少なくとも1つの保持要素であって、前記突出要素が、縫合糸の材料から作られた球状の要素を含み、相対運動を防ぐために、流体を輸送する導管である第2のステントグラフト又は血管のうちの少なくとも1つと相互作用するように構成される、少なくとも1つの保持要素と、
を含む、ステントグラフトの縫合糸のロック。 - 前記球状の要素が、相対運動を防ぐために、第2のステントグラフト又は血管のうちの少なくとも1つの要素に固定するように構成されている、請求項1に記載のステントグラフトの縫合糸のロック。
- 前記実質的に管状のステント構造体が、前記グラフト材料によって適所に固定される複数の個別のステントセグメントを含む、請求項1または2に記載のステントグラフトの縫合糸のロック。
- 前記複数の個別のステントセグメントが、超弾性の材料を含む、請求項3に記載のステントグラフトの縫合糸のロック。
- 前記超弾性の材料が、ニッケルチタン合金を含む、請求項4に記載のステントグラフトの縫合糸のロック。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/565,790 | 2009-09-24 | ||
US12/565,790 US20110071614A1 (en) | 2009-09-24 | 2009-09-24 | Stent - graft suture locks |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015197431A Division JP6317303B2 (ja) | 2009-09-24 | 2015-10-05 | ステントグラフトの縫合糸のロック |
Publications (2)
Publication Number | Publication Date |
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JP2018086311A JP2018086311A (ja) | 2018-06-07 |
JP6500135B2 true JP6500135B2 (ja) | 2019-04-10 |
Family
ID=42829961
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010212037A Active JP5823110B2 (ja) | 2009-09-24 | 2010-09-22 | ステントグラフトの縫合糸のロック |
JP2015197431A Active JP6317303B2 (ja) | 2009-09-24 | 2015-10-05 | ステントグラフトの縫合糸のロック |
JP2018021946A Active JP6500135B2 (ja) | 2009-09-24 | 2018-02-09 | ステントグラフトの縫合糸のロック |
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JP2010212037A Active JP5823110B2 (ja) | 2009-09-24 | 2010-09-22 | ステントグラフトの縫合糸のロック |
JP2015197431A Active JP6317303B2 (ja) | 2009-09-24 | 2015-10-05 | ステントグラフトの縫合糸のロック |
Country Status (4)
Country | Link |
---|---|
US (1) | US20110071614A1 (ja) |
EP (1) | EP2301476B1 (ja) |
JP (3) | JP5823110B2 (ja) |
CA (1) | CA2711284C (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11596537B2 (en) | 2003-09-03 | 2023-03-07 | Bolton Medical, Inc. | Delivery system and method for self-centering a proximal end of a stent graft |
US11259945B2 (en) | 2003-09-03 | 2022-03-01 | Bolton Medical, Inc. | Dual capture device for stent graft delivery system and method for capturing a stent graft |
US7763063B2 (en) | 2003-09-03 | 2010-07-27 | Bolton Medical, Inc. | Self-aligning stent graft delivery system, kit, and method |
US8500792B2 (en) | 2003-09-03 | 2013-08-06 | Bolton Medical, Inc. | Dual capture device for stent graft delivery system and method for capturing a stent graft |
US20070198078A1 (en) | 2003-09-03 | 2007-08-23 | Bolton Medical, Inc. | Delivery system and method for self-centering a Proximal end of a stent graft |
US8292943B2 (en) | 2003-09-03 | 2012-10-23 | Bolton Medical, Inc. | Stent graft with longitudinal support member |
BRPI0913877A2 (pt) | 2008-06-30 | 2015-10-27 | Bolton Medical Inc | aneurismas da aorta abdominal: sistemas e métodos de uso |
WO2010105195A2 (en) | 2009-03-13 | 2010-09-16 | Bolton Medical, Inc. | System and method for deploying an endoluminal prosthesis at a surgical site |
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JP2018086311A (ja) | 2018-06-07 |
CA2711284C (en) | 2017-08-29 |
EP2301476A1 (en) | 2011-03-30 |
CA2711284A1 (en) | 2011-03-24 |
JP2011067630A (ja) | 2011-04-07 |
US20110071614A1 (en) | 2011-03-24 |
EP2301476B1 (en) | 2017-05-17 |
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