JP2006325613A - 自律機能性ステント - Google Patents
自律機能性ステント Download PDFInfo
- Publication number
- JP2006325613A JP2006325613A JP2005148995A JP2005148995A JP2006325613A JP 2006325613 A JP2006325613 A JP 2006325613A JP 2005148995 A JP2005148995 A JP 2005148995A JP 2005148995 A JP2005148995 A JP 2005148995A JP 2006325613 A JP2006325613 A JP 2006325613A
- Authority
- JP
- Japan
- Prior art keywords
- stent
- alloy
- shape memory
- region
- length direction
- 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.)
- Granted
Links
- 229910004337 Ti-Ni Inorganic materials 0.000 claims abstract description 20
- 229910011209 Ti—Ni Inorganic materials 0.000 claims abstract description 20
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 15
- 238000011084 recovery Methods 0.000 claims description 16
- 229910000734 martensite Inorganic materials 0.000 claims description 15
- 239000011159 matrix material Substances 0.000 claims description 8
- 210000004204 blood vessel Anatomy 0.000 abstract description 11
- 208000037803 restenosis Diseases 0.000 abstract description 10
- 210000004351 coronary vessel Anatomy 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 4
- 210000000013 bile duct Anatomy 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 description 42
- 239000000956 alloy Substances 0.000 description 42
- 238000010438 heat treatment Methods 0.000 description 16
- 230000006870 function Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000012545 processing Methods 0.000 description 8
- 230000003902 lesion Effects 0.000 description 7
- 229910000990 Ni alloy Inorganic materials 0.000 description 6
- 230000032683 aging Effects 0.000 description 6
- 230000036760 body temperature Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 229910018559 Ni—Nb Inorganic materials 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 230000003446 memory effect Effects 0.000 description 5
- 229910052758 niobium Inorganic materials 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 229910052720 vanadium Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 206010002329 Aneurysm Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 229910001257 Nb alloy Inorganic materials 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 208000007536 Thrombosis Diseases 0.000 description 2
- 229910000756 V alloy Inorganic materials 0.000 description 2
- 239000002473 artificial blood Substances 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000032851 Subarachnoid Hemorrhage Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000007887 coronary angioplasty Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010102 embolization Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000024883 vasodilation Effects 0.000 description 1
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
- A61F2/82—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
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/022—Metals or alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
-
- 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
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/16—Materials with shape-memory or superelastic properties
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Surgery (AREA)
- Cardiology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Abstract
【解決手段】 自律機能性ステントは、Ti−Ni系形状記憶合金からなり、その長さ方向の中心部に最大拡張力を有する。
【選択図】 図1
Description
Claims (5)
- Ti−Ni系形状記憶合金からなるステントにおいて、その長さ方向の中心部に最大拡張力を有することを特徴とする自律機能性ステント。
- Ti−Ni系形状記憶合金からなるステントにおいて、その長さ方向の中心部に母相領域、その周辺部にマルテンサイト領域を備えていることを特徴とする自律機能性ステント。
- Ti−Ni系形状記憶合金からなるステントにおいて、操作時はマルテンサイト領域であり、留置時には少なくともその長さ方向の中心部が母相領域としたことを特徴とする自律機能性ステント。
- Ti−Ni系形状記憶合金からなるステントにおいて、操作時はマルテンサイト領域であり、留置時には、その長さ方向の中心部が母相領域であり、他をマルテンサイト領域としたことを特徴とする自律機能性ステント。
- Ti−Ni系形状記憶合金からなるステントにおいて、操作時はマルテンサイト領域であり、留置時には2つ以上の形状回復温度からなる母相領域としたことを特徴とする自律機能性ステント。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005148995A JP5143342B2 (ja) | 2005-05-23 | 2005-05-23 | 自律機能性ステント |
US11/915,070 US8652199B2 (en) | 2005-05-23 | 2006-05-23 | Stent with autonomic function |
PCT/JP2006/310197 WO2006126513A1 (ja) | 2005-05-23 | 2006-05-23 | 自律機能性ステント |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005148995A JP5143342B2 (ja) | 2005-05-23 | 2005-05-23 | 自律機能性ステント |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006325613A true JP2006325613A (ja) | 2006-12-07 |
JP2006325613A5 JP2006325613A5 (ja) | 2008-04-03 |
JP5143342B2 JP5143342B2 (ja) | 2013-02-13 |
Family
ID=37451938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005148995A Active JP5143342B2 (ja) | 2005-05-23 | 2005-05-23 | 自律機能性ステント |
Country Status (3)
Country | Link |
---|---|
US (1) | US8652199B2 (ja) |
JP (1) | JP5143342B2 (ja) |
WO (1) | WO2006126513A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015022969A1 (ja) | 2013-08-12 | 2015-02-19 | 国立大学法人東北大学 | 医療用Ti-Ni合金 |
JP2022183405A (ja) * | 2021-05-29 | 2022-12-09 | 清 山内 | 超弾性ステントおよび超弾性ステントの製造方法、ならびに合金チューブおよび合金チューブの製造方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4737518B2 (ja) * | 2005-05-23 | 2011-08-03 | Necトーキン株式会社 | Ti−Ni−Nb合金素子 |
EP2563273B1 (en) | 2010-04-28 | 2017-08-23 | Empire Technology Development LLC | Intravitreous self adaptive stent |
WO2019009433A1 (ja) * | 2017-07-07 | 2019-01-10 | 株式会社カネカ | 管状医療用具および管状医療用具搬送装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003102849A (ja) * | 2001-09-28 | 2003-04-08 | Terumo Corp | 生体内留置用ステント |
JP2004321348A (ja) * | 2003-04-23 | 2004-11-18 | Piolax Medical Device:Kk | ステント |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3174851A (en) * | 1961-12-01 | 1965-03-23 | William J Buehler | Nickel-base alloys |
JPS58161753A (ja) | 1982-03-18 | 1983-09-26 | Kazuhiro Otsuka | Ti−Ni系超弾性材料の製造方法 |
US4631094A (en) * | 1984-11-06 | 1986-12-23 | Raychem Corporation | Method of processing a nickel/titanium-based shape memory alloy and article produced therefrom |
US4770725A (en) * | 1984-11-06 | 1988-09-13 | Raychem Corporation | Nickel/titanium/niobium shape memory alloy & article |
JP2541802B2 (ja) | 1986-07-07 | 1996-10-09 | 株式会社トーキン | 形状記憶TiNiV合金及びその製造方法 |
JPS6314835A (ja) | 1986-07-08 | 1988-01-22 | Toshiba Corp | 耐高温腐食に優れたNi基合金 |
JPH0665742B2 (ja) | 1987-01-08 | 1994-08-24 | 株式会社ト−キン | 形状記憶TiNiV合金の製造方法 |
JP2935124B2 (ja) | 1990-03-19 | 1999-08-16 | 株式会社トーキン | 歯列矯正器具 |
US6682608B2 (en) * | 1990-12-18 | 2004-01-27 | Advanced Cardiovascular Systems, Inc. | Superelastic guiding member |
JP3379767B2 (ja) | 1992-04-17 | 2003-02-24 | 古河電気工業株式会社 | NiTi系超弾性材料の製造方法 |
US5441515A (en) * | 1993-04-23 | 1995-08-15 | Advanced Cardiovascular Systems, Inc. | Ratcheting stent |
IL108832A (en) * | 1994-03-03 | 1999-12-31 | Medinol Ltd | Urological stent and positioning device for it |
JPH07252553A (ja) | 1994-03-16 | 1995-10-03 | Furukawa Electric Co Ltd:The | Ni−Ti−Nb系形状記憶合金の溶解鋳造方法 |
EP0753080A1 (en) | 1994-03-31 | 1997-01-15 | Petrus Antonius Besselink | Ni-Ti-Nb ALLOY PROCESSING METHOD AND ARTICLES FORMED FROM THE ALLOY |
ATE176587T1 (de) * | 1994-05-19 | 1999-02-15 | Scimed Life Systems Inc | Verbesserte gewebestützvorrichtungen |
DE19508805C2 (de) * | 1995-03-06 | 2000-03-30 | Lutz Freitag | Stent zum Anordnen in einer Körperröhre mit einem flexiblen Stützgerüst aus mindestens zwei Drähten mit unterschiedlicher Formgedächtnisfunktion |
US7238197B2 (en) | 2000-05-30 | 2007-07-03 | Devax, Inc. | Endoprosthesis deployment system for treating vascular bifurcations |
US6007544A (en) * | 1996-06-14 | 1999-12-28 | Beth Israel Deaconess Medical Center | Catheter apparatus having an improved shape-memory alloy cuff and inflatable on-demand balloon for creating a bypass graft in-vivo |
US6312455B2 (en) | 1997-04-25 | 2001-11-06 | Nitinol Devices & Components | Stent |
JP4220585B2 (ja) | 1997-09-30 | 2009-02-04 | Necトーキン株式会社 | ステント |
US5938697A (en) * | 1998-03-04 | 1999-08-17 | Scimed Life Systems, Inc. | Stent having variable properties |
US6375458B1 (en) * | 1999-05-17 | 2002-04-23 | Memry Corporation | Medical instruments and devices and parts thereof using shape memory alloys |
US6485507B1 (en) * | 1999-07-28 | 2002-11-26 | Scimed Life Systems | Multi-property nitinol by heat treatment |
US6468303B1 (en) * | 2000-03-27 | 2002-10-22 | Aga Medical Corporation | Retrievable self expanding shunt |
US7632303B1 (en) * | 2000-06-07 | 2009-12-15 | Advanced Cardiovascular Systems, Inc. | Variable stiffness medical devices |
US6652576B1 (en) * | 2000-06-07 | 2003-11-25 | Advanced Cardiovascular Systems, Inc. | Variable stiffness stent |
US6626937B1 (en) * | 2000-11-14 | 2003-09-30 | Advanced Cardiovascular Systems, Inc. | Austenitic nitinol medical devices |
JP2002170276A (ja) * | 2000-12-01 | 2002-06-14 | Pioneer Electronic Corp | 光学式多層情報記録媒体 |
US20060086440A1 (en) * | 2000-12-27 | 2006-04-27 | Boylan John F | Nitinol alloy design for improved mechanical stability and broader superelastic operating window |
US6585753B2 (en) * | 2001-03-28 | 2003-07-01 | Scimed Life Systems, Inc. | Expandable coil stent |
US6683441B2 (en) * | 2001-11-26 | 2004-01-27 | Analog Devices, Inc. | Multi-phase switching regulator |
AU2002251612A1 (en) * | 2001-12-29 | 2003-07-30 | Global Medical Sciences Ltd. | Stent and method for the production thereof (variants) |
EP1608416B1 (en) * | 2003-03-31 | 2009-01-07 | Memry Corporation | Medical devices having drug eluting properties and methods of manufacture thereof |
JP4351560B2 (ja) * | 2004-03-05 | 2009-10-28 | Necトーキン株式会社 | バルーン拡張超弾性ステント |
JP4737518B2 (ja) * | 2005-05-23 | 2011-08-03 | Necトーキン株式会社 | Ti−Ni−Nb合金素子 |
US20070044868A1 (en) * | 2005-08-31 | 2007-03-01 | Kiyoshi Yamauchi | Ti-based shape memory alloy article |
GB2476479B (en) * | 2009-12-22 | 2012-06-20 | Cook Medical Technologies Llc | Implantable device |
-
2005
- 2005-05-23 JP JP2005148995A patent/JP5143342B2/ja active Active
-
2006
- 2006-05-23 WO PCT/JP2006/310197 patent/WO2006126513A1/ja active Application Filing
- 2006-05-23 US US11/915,070 patent/US8652199B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003102849A (ja) * | 2001-09-28 | 2003-04-08 | Terumo Corp | 生体内留置用ステント |
JP2004321348A (ja) * | 2003-04-23 | 2004-11-18 | Piolax Medical Device:Kk | ステント |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015022969A1 (ja) | 2013-08-12 | 2015-02-19 | 国立大学法人東北大学 | 医療用Ti-Ni合金 |
JP2022183405A (ja) * | 2021-05-29 | 2022-12-09 | 清 山内 | 超弾性ステントおよび超弾性ステントの製造方法、ならびに合金チューブおよび合金チューブの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP5143342B2 (ja) | 2013-02-13 |
US20090062906A1 (en) | 2009-03-05 |
US8652199B2 (en) | 2014-02-18 |
WO2006126513A1 (ja) | 2006-11-30 |
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