JP6356065B2 - 外部血管支持体 - Google Patents
外部血管支持体 Download PDFInfo
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- JP6356065B2 JP6356065B2 JP2014523323A JP2014523323A JP6356065B2 JP 6356065 B2 JP6356065 B2 JP 6356065B2 JP 2014523323 A JP2014523323 A JP 2014523323A JP 2014523323 A JP2014523323 A JP 2014523323A JP 6356065 B2 JP6356065 B2 JP 6356065B2
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Classifications
-
- 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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
-
- 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
-
- 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
- A61F2002/068—Modifying the blood flow model, e.g. by diffuser or deflector
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Surgery (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Transplantation (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgical Instruments (AREA)
- External Artificial Organs (AREA)
Description
本開示の「吻合部」という用語は、第1の血管(例えば、静脈、動脈、合成移植片)の壁を第2の血管(例えば、静脈、動脈、または合成移植片)の壁に取り付けて第1の血管の内腔から取り付けられた第2の血管の内腔内への流れを可能にし、または逆も同様にする連結線を意味する。そのような連結は、縫合または他の手段によって実行することができる。
102 血管収容部分
104 凹状表面
106 流れ修正要素
108 内部壁
110 カバー部分
112 マージン
114 マージン
116 マージン
118 マージン
128 壁
150 トラフ
160 内腔
170 ピン
172 孔
200 支持体
206 流れ修正要素
208 内部壁
220 可塑的に形成可能な区分
222 外部壁
224 陥入部
260 内腔
300 血管支持体
302 底部
306 流れ修正要素
308 内部壁
310 初期状態
312 供給源
314 供給配管
316 バルブ
320 膨張状態
400 AV吻合部
402 動脈部分
404 AV瘻
406 移植片/静脈
430 ホスト動脈
450 矢印
455 矢印
460 矢印
500 吻合された血管
502 動脈領域
504 AV瘻
506 静脈/AVシャント移植片
512 第1の区間
514 第2の区間
516 実質上層状の流れ
600 吻合された血管
602 動脈領域
604 AV瘻
606 静脈/AVシャント移植片
612 第1の区間
614 第2の区間
616 実質上層状の流れ
700 流れ修正血管支持体
702 血管収容部分
702−1 分岐、血管収容部分
702−2 分岐、血管収容部分
704 内腔
706 流れ修正要素
708 内部壁
710 カバー部分
712 マージン
714 マージン
716 マージン
718 マージン
720 可塑的に形成可能な部分
722 流れ修正要素、鋭角
724 鈍角
800 支持体
804 内腔
806 流れ修正要素
808 内部壁
820 可塑的に形成可能な部分
822 外部壁
824 陥入部
826 可塑的に形成可能な部分
850 鋭角
852 尖った接合部
900 吻合された血管
902 動脈領域
904 AV瘻
906 静脈/AVシャント移植片
912 区間
914 区間
916 実質上層状の流れ
940 静脈
1000 支持体
1028 可塑的に形成可能な部分
1030 支持部分
1040 支持部分
1052 尖った接合部
1070 矢印
1130 動脈
1140 静脈
1150 鋭角
1152 尖った接合部
1154 丸くした接合部
1200 支持体
1202 内腔
1204 陥入部
1206 流れ修正要素
1208 「ヒール」領域
1210 内腔
1212 領域、部分
1214 陥入部
1216 流れ修正要素
1218 鋭角
1220 部分
1222 部分
1224 部分
1226 丸くした接合部
1228 内部壁
1230 部分
1232 静脈/AVシャント移植片
1234 実質上層状の流れ
1240 部分
1242 ホスト動脈
1244 第1の区間
1246 第2の区間
1250 AV瘻
1300 支持体
1302 静脈部分
1304 ホスト動脈部分
1350 吻合部
1400 支持体
1402 センサ
1404 内部壁
1406 流れ修正要素
1408 ワイア
1410 コントローラ
1500 血管支持体
1502 外部壁、センサ
1508 ワイア
1510 コントローラ
1600 外部支持体
1610 静脈リストリクタ
1620 流れ調整器
1626 丸み
1630 動脈ブレース
W 中心軸
Z 中心軸
Claims (17)
- 動脈と該動脈に吻合された静脈との間の接合部を成形する外部血管支持体であって、該支持体が、
前記動脈に連結する動脈部分と、
前記静脈に連結された静脈部分と、
を備え、
前記動脈部分及び前記静脈部分が接合部で鋭角を以て連結されており、且つ前記鋭角は丸みを有しており、前記血管支持体が前記静脈と前記動脈との間にフィレットされた接合部を形成すると共に、前記動脈に対して前記静脈を鋭角に維持するように成形され、
前記フィレットされた接合部が、0.25mmから4mmの範囲内の曲率半径を有する湾曲を含む、
外部血管支持体。 - 動脈と該動脈に吻合された静脈との間の接合部を成形する外部血管支持体であって、前記静脈は前記動脈に対して鋭角に維持されており、前記支持体が、
前記動脈に連結する動脈部分と、
前記静脈に連結する静脈部分と、
を備え、
前記動脈部分及び/または前記静脈部分が、前記動脈及び/または前記静脈の外部血管壁に押し付けられる少なくとも1つの突起を備えており、
前記少なくとも1つの突起が、前記鋭角を有する前記動脈部分の近傍の一側で前記静脈部分に沿って位置された、
外部血管支持体。 - 動脈と該動脈に吻合された静脈との間の接合部を成形する外部血管支持体であって、前記静脈は前記動脈に対して鋭角に維持されており、前記支持体が、
前記動脈に連結する動脈部分と、
前記静脈に連結する静脈部分と、
を備え、
前記動脈部分及び/または前記静脈部分が、前記動脈及び/または前記静脈の外部血管壁に押し付けられる少なくとも1つの突起を備えており、
前記少なくとも1つの突起が、前記静脈と前記動脈との間の接合部の前記鋭角部分でフィレットを形成するように働くことができる、
外部血管支持体。 - 動脈と該動脈に吻合された静脈との間の接合部を成形する外部血管支持体であって、該支持体が、
前記動脈に連結する動脈部分と、
前記静脈に連結する静脈部分と、
を備え、
前記動脈部分及び/または前記静脈部分が、前記動脈及び/または前記静脈の外部血管壁に押し付けられる少なくとも1つの突起を備えており、
前記少なくとも1つの突起が、前記動脈と前記静脈との間の接合部から略反対側の領域で前記動脈部分に沿って位置された、
外部血管支持体。 - 前記少なくとも1つの突起が、前記領域の上流側よりも前記領域の下流側の近くに位置された、請求項4に記載の外部血管支持体。
- 前記少なくとも1つの突起が、前記外部血管支持体上の所望の位置で取り付け可能とされた、請求項2から5のいずれか一項に記載の外部血管支持体。
- 前記少なくとも1つの突起が前記外部血管支持体と一体である、請求項2から5のいずれか一項に記載の外部血管支持体。
- 前記少なくとも1つの突起が膨張可能とされた、請求項2から7のいずれか一項に記載の外部血管支持体。
- 前記少なくとも1つの突起の寸法及び/または形状が調節可能とされた、請求項8に記載の外部血管支持体。
- 前記フィレットが、0.25mmから4mmの範囲内の曲率半径を有する湾曲を含む、請求項3に記載の外部血管支持体。
- 前記フィレットが、0.5mmから2.5mmの範囲内の曲率半径を有する湾曲を含む、請求項1または10に記載の外部血管支持体。
- 前記鋭角が20度から60度の範囲内である、請求項2または3に記載の外部血管支持体。
- 前記静脈部分が、前記静脈を囲むように構成されていると共に、前記接合部付近で最も小さい直径を有する、少なくとも部分的に切頭体形状を備えた、請求項1から12のいずれか一項に記載の外部血管支持体。
- 前記静脈部分が、切頭円錐形状を備えた、請求項13に記載の外部血管支持体。
- 前記静脈部分の前記最も小さい直径に対する前記静脈部分の最も大きい直径の比が、1.1から1.8である、請求項13または14に記載の外部血管支持体。
- 前記静脈部分の前記最も小さい直径に対する前記静脈部分の最も大きい直径の比が、1.3から1.4である、請求項15に記載の外部血管支持体。
- 前記人工接合部が、前記動脈及び前記静脈の端側吻合部である、請求項1から16のいずれか一項に記載の外部血管支持体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201161513976P | 2011-08-01 | 2011-08-01 | |
US61/513,976 | 2011-08-01 | ||
PCT/EP2012/065078 WO2013017639A1 (en) | 2011-08-01 | 2012-08-01 | Vessel shaping devices and methods |
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JP2018076048A Division JP6522828B2 (ja) | 2011-08-01 | 2018-04-11 | 外部血管支持体 |
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JP2014525797A JP2014525797A (ja) | 2014-10-02 |
JP2014525797A5 JP2014525797A5 (ja) | 2015-09-17 |
JP6356065B2 true JP6356065B2 (ja) | 2018-07-11 |
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JP2014523323A Active JP6356065B2 (ja) | 2011-08-01 | 2012-08-01 | 外部血管支持体 |
JP2018076048A Active JP6522828B2 (ja) | 2011-08-01 | 2018-04-11 | 外部血管支持体 |
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Country Status (5)
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US (3) | US10004508B2 (ja) |
EP (1) | EP2739327B1 (ja) |
JP (2) | JP6356065B2 (ja) |
ES (1) | ES2744949T3 (ja) |
WO (1) | WO2013017639A1 (ja) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
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