JP4527156B2 - 人工血管 - Google Patents
人工血管 Download PDFInfo
- Publication number
- JP4527156B2 JP4527156B2 JP2007554624A JP2007554624A JP4527156B2 JP 4527156 B2 JP4527156 B2 JP 4527156B2 JP 2007554624 A JP2007554624 A JP 2007554624A JP 2007554624 A JP2007554624 A JP 2007554624A JP 4527156 B2 JP4527156 B2 JP 4527156B2
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- JP
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- Prior art keywords
- blood vessel
- artificial blood
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- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 141
- 239000002473 artificial blood Substances 0.000 title claims abstract description 113
- 230000003872 anastomosis Effects 0.000 claims description 47
- 239000003550 marker Substances 0.000 claims description 40
- 239000010410 layer Substances 0.000 description 89
- 239000000463 material Substances 0.000 description 31
- 239000013013 elastic material Substances 0.000 description 27
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- -1 Polyethylene Polymers 0.000 description 6
- 230000002785 anti-thrombosis Effects 0.000 description 6
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 description 6
- 239000003146 anticoagulant agent Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 229920006132 styrene block copolymer Polymers 0.000 description 4
- 230000002792 vascular Effects 0.000 description 4
- 230000002965 anti-thrombogenic effect Effects 0.000 description 3
- 238000000502 dialysis Methods 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 2
- 102000009123 Fibrin Human genes 0.000 description 2
- 108010073385 Fibrin Proteins 0.000 description 2
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 description 2
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 102000003990 Urokinase-type plasminogen activator Human genes 0.000 description 2
- 108090000435 Urokinase-type plasminogen activator Proteins 0.000 description 2
- 229960001138 acetylsalicylic acid Drugs 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- RTACIUYXLGWTAE-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene;styrene Chemical class C=CC=C.CC(=C)C=C.C=CC1=CC=CC=C1 RTACIUYXLGWTAE-UHFFFAOYSA-N 0.000 description 2
- 229960001123 epoprostenol Drugs 0.000 description 2
- KAQKFAOMNZTLHT-VVUHWYTRSA-N epoprostenol Chemical compound O1C(=CCCCC(O)=O)C[C@@H]2[C@@H](/C=C/[C@@H](O)CCCCC)[C@H](O)C[C@@H]21 KAQKFAOMNZTLHT-VVUHWYTRSA-N 0.000 description 2
- 229950003499 fibrin Drugs 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 2
- 230000000322 hemodialysis Effects 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002743 polystyrene-poly(ethylene-ethylene/propylene) block-polystyrene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 229960005356 urokinase Drugs 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- OKSHBIKZVJQWEY-UHFFFAOYSA-N C=C.FC=C Chemical group C=C.FC=C OKSHBIKZVJQWEY-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000000560 biocompatible material Substances 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002559 palpation Methods 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
- A61M1/3655—Arterio-venous shunts or fistulae
-
- 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
- A61F2250/0032—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 radiographic density
-
- 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
- A61F2250/0036—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 thickness
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/04—Access sites having pierceable self-sealing members
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pulmonology (AREA)
- Gastroenterology & Hepatology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
- External Artificial Organs (AREA)
Description
本発明は、針が繰り返し刺される生体部位に使用される人工血管に関する。
図1〜3は、本発明の第1実施形態に係る人工血管を示す。
図4は、本発明の第2実施形態に基づく人工血管の透視図である。第1実施形態に係る人工血管と異なる第2実施形態に係る人工血管の特徴は、主に以下に記述され、第1および第2実施形態の両方に共通する他の特徴は、以下には記述されない。
図5は、本発明の第3実施形態に係る人工血管のメイン部位の横断面図である。「上」および「下」のような垂直方向に関する用語は、図5に示される血管の方位を参照する。図5において、人工血管の血管壁は、人工血管の外径と比べて厚みが誇張されている。
上記の実施形態に係る人工血管と異なる第3実施形態に係る人工血管の特徴は、以下に記述され、他の共通する特徴は以下には記述されない。
図6は、本発明の第4実施形態による人工血管のメイン部位の横断面図である。「上」および「下」のような垂直方向に関する用語は、図6に示される血管の方位を参照する。図6において、人工血管の血管壁は、人工血管の外径と比べて厚みが誇張されている。
図7は、本発明の第5実施形態に係る人工血管のマーカーを示す部分拡大図である。
2 吻合部位、
3 内層、
4 中間層、
5 外層、
6、6A、6B メイン部位、
7 層状アセンブリ、
8 穿刺領域、
9、91A、92B、911、912、921 マーカー、
11 中心軸、
12 U字状カーブ部、
13 血液流路、
22 血管壁、
41 上部中間層、
62 血管壁、
101 血管、
200 針。
Claims (6)
- 針が繰り返し刺される必要がある生体の領域に使用されるための人工血管であって、
内層と外層と、それらの間に配置される中間層とを含む層状アセンブリを有する血管壁を持つメイン部位と、
メイン部位の対向する端部の一方またはそれぞれに配置される吻合部位と、
前記メイン部位および前記吻合部位を互いに区別するためのマーカーと、を有し、
前記吻合部位が前記メイン部位よりも薄い血管壁を有する人工血管。 - 前記吻合部位は、前記メイン部位の外径より小さい外径を有する請求項1に記載の人工血管。
- 前記マーカーは、前記メイン部位上および前記吻合部位上に配置され、互いに異なる請求項1または請求項2に記載の人工血管。
- 前記マーカーは、人工血管が生体中に埋め込まれるときに使用される請求項1〜3のいずれか一項に記載の人工血管。
- 前記マーカーは、人工血管が生体中に埋め込まれた後に使用される請求項1〜4のいずれか一項に記載の人工血管。
- 前記メイン部位の前記中間層は、他の部分の厚みと異なる厚みを有する請求項1〜5のいずれか一項に記載の人工血管。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/GB2005/000521 WO2006085044A1 (en) | 2005-02-14 | 2005-02-14 | Artificial blood vessel |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008529628A JP2008529628A (ja) | 2008-08-07 |
JP4527156B2 true JP4527156B2 (ja) | 2010-08-18 |
Family
ID=34980359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007554624A Active JP4527156B2 (ja) | 2005-02-14 | 2005-02-14 | 人工血管 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7780622B2 (ja) |
EP (1) | EP1850789B1 (ja) |
JP (1) | JP4527156B2 (ja) |
AT (1) | ATE451077T1 (ja) |
DE (1) | DE602005018264D1 (ja) |
WO (1) | WO2006085044A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0617074D0 (en) * | 2006-08-30 | 2006-10-11 | Angiomed Ag | Arteriovenous fistula |
US20100114292A1 (en) * | 2008-10-31 | 2010-05-06 | Vioptix, Inc. | Vessel Extender |
US20100114293A1 (en) * | 2008-10-31 | 2010-05-06 | Vioptix, Inc. | Multibranch Vessel Extender |
DE102009024648B4 (de) * | 2009-06-03 | 2018-05-09 | Aesculap Ag | Markierte Venen-Ummantelung, insbesondere zur Wiederherstellung der Venenklappenfunktion variköser Venen |
CA2829766C (en) | 2011-03-16 | 2019-07-02 | Shawn M. GAGE | Arteriovenous graft for hemodialysis with puncture-resistant posterior and side walls |
WO2013121726A1 (ja) * | 2012-02-13 | 2013-08-22 | テルモ株式会社 | カバードステント |
WO2013133792A1 (en) | 2012-03-05 | 2013-09-12 | Empire Technology Development Llc | Flexible circuits |
KR101424201B1 (ko) * | 2012-08-14 | 2014-08-13 | 이종훈 | 스텐트 및 이를 포함하는 인조혈관 |
US9814560B2 (en) | 2013-12-05 | 2017-11-14 | W. L. Gore & Associates, Inc. | Tapered implantable device and methods for making such devices |
CA2985477C (en) | 2015-06-05 | 2020-03-10 | W.L. Gore & Associates, Inc. | A low bleed implantable prosthesis with a taper |
AU2018243583B2 (en) | 2017-03-31 | 2023-07-06 | InnAVasc Medical, Inc. | Apparatus and method for cannulation of vascular access graft |
GB201707929D0 (en) | 2017-05-17 | 2017-06-28 | Vascutek Ltd | Tubular medical device |
WO2019195353A1 (en) * | 2018-04-04 | 2019-10-10 | Sainess Marius | Low profile self-sealing access port |
US11925781B2 (en) | 2018-10-30 | 2024-03-12 | InnAVasc Medical, Inc. | Apparatus and method for cannulation of vascular access vessel |
CN110934662A (zh) * | 2019-12-31 | 2020-03-31 | 上海畅迪医疗科技有限公司 | 一种自带加强筋的人造血管 |
Family Cites Families (32)
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US3496939A (en) * | 1967-08-09 | 1970-02-24 | Carlos E Odiaga | Surgical anastomotic sleeve coupling |
US3919724A (en) | 1974-06-07 | 1975-11-18 | Medical Eng Corp | Implantable prosthesis having a self-sealing valve |
US4202349A (en) * | 1978-04-24 | 1980-05-13 | Jones James W | Radiopaque vessel markers |
US4619641A (en) * | 1984-11-13 | 1986-10-28 | Mount Sinai School Of Medicine Of The City University Of New York | Coaxial double lumen anteriovenous grafts |
GB8625679D0 (en) * | 1986-10-27 | 1986-11-26 | Ethicon Inc | Synthetic vascular grafts |
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JP3161661B2 (ja) * | 1993-01-08 | 2001-04-25 | 東海ゴム工業株式会社 | 積層構造ホースの製造方法 |
US5533985A (en) * | 1994-04-20 | 1996-07-09 | Wang; James C. | Tubing |
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US5800514A (en) * | 1996-05-24 | 1998-09-01 | Meadox Medicals, Inc. | Shaped woven tubular soft-tissue prostheses and methods of manufacturing |
US6090099A (en) | 1996-05-24 | 2000-07-18 | Target Therapeutics, Inc. | Multi-layer distal catheter section |
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US6007478A (en) * | 1997-11-13 | 1999-12-28 | Impella Cardiotechnik Aktiengesellschaft | Cannula having constant wall thickness with increasing distal flexibility and method of making |
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US7175607B2 (en) * | 2003-03-06 | 2007-02-13 | Advanced Cardiovascular Systems, Inc. | Catheter balloon liner with variable thickness and method for making same |
US7452374B2 (en) | 2003-04-24 | 2008-11-18 | Maquet Cardiovascular, Llc | AV grafts with rapid post-operative self-sealing capabilities |
US7771442B2 (en) * | 2004-11-22 | 2010-08-10 | Edgar Louis Shriver | Graft core for seal and suture anastomoses with devices and methods for percutaneous intraluminal excisional surgery (PIES) |
-
2005
- 2005-02-14 EP EP05708340A patent/EP1850789B1/en active Active
- 2005-02-14 AT AT05708340T patent/ATE451077T1/de not_active IP Right Cessation
- 2005-02-14 JP JP2007554624A patent/JP4527156B2/ja active Active
- 2005-02-14 US US11/792,498 patent/US7780622B2/en active Active
- 2005-02-14 DE DE602005018264T patent/DE602005018264D1/de active Active
- 2005-02-14 WO PCT/GB2005/000521 patent/WO2006085044A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2008529628A (ja) | 2008-08-07 |
EP1850789B1 (en) | 2009-12-09 |
ATE451077T1 (de) | 2009-12-15 |
WO2006085044A1 (en) | 2006-08-17 |
DE602005018264D1 (de) | 2010-01-21 |
US20080097592A1 (en) | 2008-04-24 |
EP1850789A1 (en) | 2007-11-07 |
US7780622B2 (en) | 2010-08-24 |
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