JP2013510617A - 管路 - Google Patents
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- JP2013510617A JP2013510617A JP2012538404A JP2012538404A JP2013510617A JP 2013510617 A JP2013510617 A JP 2013510617A JP 2012538404 A JP2012538404 A JP 2012538404A JP 2012538404 A JP2012538404 A JP 2012538404A JP 2013510617 A JP2013510617 A JP 2013510617A
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14598—Coating tubular articles
- B29C45/14622—Lining the inner or outer surface of tubular articles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
-
- 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
- A61F2/02—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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2627/00—Use of polyvinylhalogenides or derivatives thereof for preformed parts, e.g. for inserts
- B29K2627/12—Use of polyvinylhalogenides or derivatives thereof for preformed parts, e.g. for inserts containing fluorine
- B29K2627/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/005—Hoses, i.e. flexible
- B29L2023/007—Medical tubes other than catheters
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Prostheses (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
・柔軟な材料から作られた管状部と、
・前記管状部の外面を巡って前記管状部の軸に平行に延びており、前記管状部の第1の領域を定めるとともに、前記管状部を支持する外部のらせん状の形成物と、
・前記管状部の内面から内側へと突き出し、前記管状部の軸に平行に延びており、前記管状部の第2の領域を定めるとともに、前記管状部を通過する流体にらせん状の流れを付与する内部のらせん状の形成物と
を備えており、前記第1の領域が、前記第2の領域の全体には及んでいない管路が提供される。
(i)外面の一領域に沿ってあらかじめ形成されたらせん状の形成物が軸方向に延びている柔軟な管状部を用意するステップと、
(ii)成型用の液体を、前記あらかじめ形成されたらせん状の形成物と同じつる巻き角度および位相を有し、前記あらかじめ形成されたらせん状の形成物の一端を過ぎて軸方向に延びる第1のらせん状の形態へと、連続する外部のらせん状の形成物が形成されるように前記管状部の外面に流すステップと、
(iii)前記成型用の液体を固化させるステップとを含んでいる方法が提供される。
Claims (20)
- ・柔軟な材料から作られた管状部と、
・前記管状部の外面を巡って前記管状部の軸に平行に延びており、前記管状部の第1の領域を定めるとともに、前記管状部を支持する外部のらせん状の形成物と、
・前記管状部の内面から内側へと突き出し、前記管状部の軸に平行に延びており、前記管状部の第2の領域を定めるとともに、前記管状部を通過する流体にらせん状の流れを付与する内部のらせん状の形成物とを備えており、
前記第1の領域が、前記第2の領域の全体には及んでいない管路。 - 前記第1および第2の領域が、重なっている請求項1に記載の管路。
- 前記第1および第2の領域の間の重なりが、前記外部のらせん状の形成物の1〜5回転分の長さであり、好ましくは2回転分の長さである請求項2に記載の管路。
- 前記内部のらせん状の形成物が、前記管状部の一端にて終わっている請求項1〜3のいずれか一項に記載の管路。
- 前記管状部の前記一端が、内側の基部から外側の先端へと先細りであり、
前記管状部の前記一端が、略楕円形の開口を定めている請求項4に記載の管路。 - 前記内部のらせん状の形成物が、前記管状部の前記一端によって定められる前記開口において、前記内側の基部の各側の90°の範囲内の円弧に沿った点において終わっている請求項5に記載の管路。
- 前記第1の領域が、前記第2の領域の広がりのうちの前記管状部が完全な外周を有している部位に関して、該部位の全体には及んでいない請求項1〜6のいずれか一項に記載の管路。
- 管路を製作する方法であって、
(i)外面の一領域に沿ってあらかじめ形成されたらせん状の形成物が軸方向に延びている柔軟な管状部を用意するステップと、
(ii)成型用の液体を、前記あらかじめ形成されたらせん状の形成物と同じつる巻き角度および位相を有し、前記あらかじめ形成されたらせん状の形成物の一端を過ぎて軸方向に延びる第1のらせん状の形態へと、連続する外部のらせん状の形成物が形成されるように前記管状部の外面に流すステップと、
(iii)前記成型用の液体を固化させるステップとを含んでいる方法。 - ステップ(ii)が、前記成型用の液体を、前記管状部の外面を巡って軸方向に延びている第2のらせん状の形態へと流すステップをさらに含んでいる請求項8に記載の方法。
- ステップ(ii)が、
(a)前記管状部の内面上の内部のらせん状の突起、および、対応する外部のらせん状の溝をもたらすように、前記環状部を変形させるステップと、
(b)前記成型用の液体を、前記外部のらせん状の溝へと流し、前記第2のらせん状の形態を形成するステップとを含んでいる請求項9に記載の方法。 - ステップ(ii)が、
前記管状部をマンドレル上に配置するステップと、
前記管状部を金型の内部に入れて、前記管状部を前記マンドレルと前記金型との間に挟むステップとを含んでいる請求項10に記載の方法。 - 前記金型が、内面を巡って軸方向に延びているらせん状の溝を有しており、
ステップ(b)が、前記成型用の液体を、前記金型の前記らせん状の溝へと流れるように、前記管状部と前記金型との間に導入するステップをさらに含んでいる請求項11に記載の方法。 - 前記あらかじめ形成されたらせん状の形成物が、前記金型の内面を巡って軸方向に延びている前記らせん状の溝と同じ位相に位置し、かつ該溝に重なり、あるいは該溝に当接するように、前記管状部が前記金型において整列させられる請求項12に記載の方法。
- 前記マンドレルが、表面に軸方向に延びるらせん状の溝を有しており、
ステップ(a)が、前記成型用の液体を前記管状部と前記金型との間に導入し、前記成型用の液体によって前記管状部を前記マンドレルの表面の前記らせん状の溝へと押し付けて前記管状部を変形させ、前記内部のらせん状の突起をもたらすステップをさらに含んでいる請求項10〜13のいずれか一項に記載の方法。 - 前記管状部の一端が、該一端によって略楕円形の開口が定められるように、内側の基部から外側の先端へと先細りである請求項14に記載の方法。
- 前記マンドレルの表面の前記軸方向に延びるらせん状の溝が、前記管状部の前記一端によって定められる前記開口において、前記内側の基部の各側の90°の範囲内の円弧に沿った点において終わるように、前記管状部が前記マンドレル上に整列させられる請求項15に記載の方法。
- 前記連続する外部のらせん状の形成物が、前記管状部の第1の領域を定め、
前記第2のらせん状の形態が、前記管状部の第2の領域を定め、
前記第1の領域が、前記第2の領域の全体には及んでいない請求項8〜16のいずれか一項に記載の方法。 - 前記第1の領域が、前記第2の領域に重なっている請求項17に記載の方法。
- 前記第1および第2の領域の間の重なりが、前記連続する外部のらせん状の形成物の1〜5回転分の長さであり、好ましくは2回転分の長さである請求項18に記載の方法。
- 前記第1の領域が、前記第2の領域の広がりのうちの前記管状部が完全な外周を有している部位に関して、該部位の全体には及んでいない請求項17〜19のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0920115.3 | 2009-11-17 | ||
GB0920115A GB2475338A (en) | 2009-11-17 | 2009-11-17 | A tubular conduit with an internal and external helical formation |
PCT/GB2010/002121 WO2011061493A1 (en) | 2009-11-17 | 2010-11-17 | A tubular conduit |
Publications (2)
Publication Number | Publication Date |
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JP2013510617A true JP2013510617A (ja) | 2013-03-28 |
JP5775521B2 JP5775521B2 (ja) | 2015-09-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012538404A Active JP5775521B2 (ja) | 2009-11-17 | 2010-11-17 | 管路 |
Country Status (6)
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US (1) | US9649186B2 (ja) |
EP (1) | EP2501333B1 (ja) |
JP (1) | JP5775521B2 (ja) |
CN (1) | CN102711663B (ja) |
GB (1) | GB2475338A (ja) |
WO (1) | WO2011061493A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6356065B2 (ja) * | 2011-08-01 | 2018-07-11 | ラミネート・メディカル・テクノロジーズ・リミテッド | 外部血管支持体 |
AU2013298145B2 (en) | 2012-08-01 | 2017-11-23 | Laminate Medical Technologies Ltd. | Apparatus for configuring an arteriovenous fistula |
CN103991210B (zh) * | 2013-02-19 | 2016-12-28 | 上海微创医疗器械(集团)有限公司 | 一种形成导管内侧螺旋层的方法 |
GB201516683D0 (en) * | 2015-09-21 | 2015-11-04 | Univ Bolton | Vascular graft |
WO2017141805A1 (ja) * | 2016-02-16 | 2017-08-24 | 株式会社Pentas | ステント |
US10850010B2 (en) * | 2016-02-25 | 2020-12-01 | Pentas Inc. | Stent |
WO2018089625A2 (en) | 2016-11-10 | 2018-05-17 | Merit Medical Systems, Inc. | Anchor device for vascular anastomosis |
US11383072B2 (en) | 2017-01-12 | 2022-07-12 | Merit Medical Systems, Inc. | Methods and systems for selection and use of connectors between conduits |
US10925710B2 (en) * | 2017-03-24 | 2021-02-23 | Merit Medical Systems, Inc. | Subcutaneous vascular assemblies for improving blood flow and related devices and methods |
WO2019099080A1 (en) * | 2017-11-15 | 2019-05-23 | Florida Atlantic University Board Of Trustees | Flexible polymer anti-migration stent |
JP2020036784A (ja) * | 2018-09-05 | 2020-03-12 | 国立大学法人 岡山大学 | 人工血管 |
CN110251272A (zh) * | 2019-06-13 | 2019-09-20 | 杜伟远 | 一种骨架式立体贴附心血管内支撑装置 |
WO2023086763A1 (en) * | 2021-11-09 | 2023-05-19 | Atrium Medical Corporation | Vascular graft with pulsation damping |
Citations (2)
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JPH04253856A (ja) * | 1990-12-27 | 1992-09-09 | Terumo Corp | 人工血管用補強材および人工血管 |
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US6514284B1 (en) | 2000-04-20 | 2003-02-04 | Advanced Cardiovascular Systems, Inc. | Stent having inner flow channels |
WO2001089419A1 (en) * | 2000-05-19 | 2001-11-29 | C.R. Bard, Inc. | Stents and stenting methods |
GB2379996B (en) * | 2001-06-05 | 2004-05-19 | Tayside Flow Technologies Ltd | Flow means |
GB2369797B (en) * | 2001-11-20 | 2002-11-06 | Tayside Flow Technologies Ltd | Helical formations in tubes |
US7083822B2 (en) * | 2002-04-26 | 2006-08-01 | Medtronic Vascular, Inc. | Overlapping coated stents |
GB0227369D0 (en) * | 2002-11-23 | 2002-12-31 | Tayside Flow Technologies Ltd | A helical formation for a conduit |
DE10260222B4 (de) * | 2002-12-20 | 2008-01-03 | Biedermann Motech Gmbh | Rohrförmiges Element für ein in der Wirbelsäulen- oder der Knochenchirurgie zu verwendendes Implantat und Implantat mit einem solchen Element |
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EP2145601B1 (en) * | 2003-03-18 | 2015-05-06 | Veryan Medical Limited | Helical stent |
GB2418362C (en) * | 2004-09-22 | 2010-05-05 | Veryan Medical Ltd | Stent |
GB2429650A (en) * | 2005-09-06 | 2007-03-07 | Tayside Flow Technologies Ltd | A tubular graft |
CN101384228A (zh) * | 2005-11-17 | 2009-03-11 | 海默斯菲尔有限公司 | 用于透析的自封式残余压缩应力移植物 |
US20070167901A1 (en) | 2005-11-17 | 2007-07-19 | Herrig Judson A | Self-sealing residual compressive stress graft for dialysis |
-
2009
- 2009-11-17 GB GB0920115A patent/GB2475338A/en not_active Withdrawn
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2010
- 2010-11-17 JP JP2012538404A patent/JP5775521B2/ja active Active
- 2010-11-17 WO PCT/GB2010/002121 patent/WO2011061493A1/en active Application Filing
- 2010-11-17 CN CN201080052130.XA patent/CN102711663B/zh active Active
- 2010-11-17 EP EP10801185.9A patent/EP2501333B1/en active Active
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2013
- 2013-06-17 US US13/919,812 patent/US9649186B2/en active Active
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JPH04253856A (ja) * | 1990-12-27 | 1992-09-09 | Terumo Corp | 人工血管用補強材および人工血管 |
WO2005092240A1 (en) * | 2004-03-25 | 2005-10-06 | Tayside Flow Technologies Ltd | A tubular conduit |
Also Published As
Publication number | Publication date |
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WO2011061493A1 (en) | 2011-05-26 |
CN102711663B (zh) | 2015-04-22 |
US9649186B2 (en) | 2017-05-16 |
CN102711663A (zh) | 2012-10-03 |
JP5775521B2 (ja) | 2015-09-09 |
EP2501333B1 (en) | 2014-04-09 |
GB0920115D0 (en) | 2009-12-30 |
EP2501333A1 (en) | 2012-09-26 |
GB2475338A (en) | 2011-05-18 |
US20130282108A1 (en) | 2013-10-24 |
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