JPWO2007018189A1 - チタンニッケル合金、チタンニッケル合金の表面改質方法および生体親和材 - Google Patents
チタンニッケル合金、チタンニッケル合金の表面改質方法および生体親和材 Download PDFInfo
- Publication number
- JPWO2007018189A1 JPWO2007018189A1 JP2007529581A JP2007529581A JPWO2007018189A1 JP WO2007018189 A1 JPWO2007018189 A1 JP WO2007018189A1 JP 2007529581 A JP2007529581 A JP 2007529581A JP 2007529581 A JP2007529581 A JP 2007529581A JP WO2007018189 A1 JPWO2007018189 A1 JP WO2007018189A1
- Authority
- JP
- Japan
- Prior art keywords
- titanium
- nickel alloy
- nickel
- biocompatible material
- instrument
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/26—Anodisation of refractory metals or alloys based thereon
-
- 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
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/02—Inorganic materials
-
- 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
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/14—Materials characterised by their function or physical properties, e.g. lubricating compositions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
- A61C5/42—Files for root canals; Handgrips or guiding means therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12944—Ni-base component
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Materials For Medical Uses (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
また、前記医療用機械器具としては、診断用機械器具、手術用機械器具、処置用機械器具または歯科用機械器具が挙げられる。
更に、前記手術用機械器具及び前記処置用機械器具としては、ステントまたはカテーテルが挙げられ、前記歯科用機械器具としては、歯科矯正用ワイヤーまたは歯内治療用ファイルが挙げられる。
供試材料として、チタンニッケル合金(NT-E4 古河電気工業 Ti-50.85mol%Ni)のディスク(直径8mm、厚さ1mm)に機械研磨(鏡面)を行い、以下の(表1)に示すように組成の異なる電解液による4条件(GLS,GLW,GP及びHP)で電解処理を行った。更に、アセトン、エチルアルコール及び超純水にて超音波洗浄を行い試験片とした。また、機械研磨処理のみの試料を対照として設定した。
浸漬試験は、ポリエチレン容器に1.0%乳酸(Lactic acid)20mlを入れ試験片を全浸漬させ、37℃で振とう(1.67Hz)した。各試験片を0.63,2.6Ms(7,30日間に相当)浸漬後、浸漬溶液をICP発光分光分析計(JICP-PS3000UV、Leeman Labs)を用いて溶液中のイオン濃度の定量分析を行い、各試料からの単位面積当たりの溶出イオン量を求めた。
またアノード分極試験は、各試験片を直径3mmの穴を開けたテープでマスキングしたものを試料とし、0.9%NaCl水溶液(37℃)中で全自動分極測定装置(HZ-1A、北斗電工)を用い、参照電極を飽和カロメル電極、掃引速度2mV/sにて1600mVまで試験を行った。
このことから、Tiイオン、Niイオンともほぼ同量溶出した他の試料とは異なる表面状態にあると考えられる。つまり、電解液の組成を変化させて電解処理を行うと更なるイオン溶出量抑制効果が期待でき、また電解液の組成により異なった表面改質がなされると考えられる。
また、Niについては2価の割合が大きくなり、GLWにおいてNiスペクトルの強度が減少した。(図5参照)
Claims (10)
- チタン(Ti)とニッケル(Ni)との原子比が相互に48.5〜51.5%となる組成のチタンニッケル合金であって、表面にニッケルの割合が内部に比べて少なくなった改質層が形成され、耐食性が改善されていることを特徴とするチタンニッケル合金。
- 請求項1に記載のチタンニッケル合金において、前記改質層のチタン1原子に対するニッケル原子の割合は、0.16以下であることを特徴とするチタンニッケル合金。
- 請求項1または請求項2に記載のチタンニッケル合金において、前記改質層の厚みは2nm以上であることを特徴とするチタンニッケル合金。
- チタン(Ti)とニッケル(Ni)との原子比が相互に48.5〜51.5%となる組成のチタンニッケル合金を、弱酸を含む電解質溶液中で電解処理することで、表面にニッケルの割合が内部に比べて少なくなった改質層を形成することを特徴とするチタンニッケル合金の表面改質方法。
- 請求項4に記載のチタンニッケル合金の表面改質方法において、前記電解質溶液は10vol%〜40vol%のグリセロールと0.1vol%〜80vol%の乳酸と水(残部)とからなることを特徴とするチタンニッケル合金の表面改質方法。
- 請求項1乃至請求項3の何れかに記載のチタンニッケル合金を用いたことを特徴とする生体親和材。
- 請求項6に記載の生体親和材において、この生体親和材は、医療用機械器具、化粧用具、理容用具、衣服、身の回り品、汎用部品、身の回り品及び汎用部品の付属品、飲食容器、調理用容器、飲料用具、調理用器具、家庭用保健衛生用品、趣味娯楽用品、ペット用品、運動競技用品、玩具、腕時計などの携帯時計、携帯電話などの携帯電子機器または食品加工機械の何れかであることを特徴とする生体親和材。
- 請求項7に記載の生体親和材において、前記医療用機械器具は診断用機械器具、手術用機械器具、処置用機械器具または歯科用機械器具の何れかであることを特徴とする生体親和材。
- 請求項8に記載の生体親和材において、前記手術用機械器具及び前記処置用機械器具は、ステントまたはカテーテルであることを特徴とする生体親和材。
- 請求項8に記載の生体親和材において、前記歯科用機械器具は歯科矯正用ワイヤーまたは歯内治療用ファイルであることを特徴とする生体親和材。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005232502 | 2005-08-10 | ||
JP2005232502 | 2005-08-10 | ||
JP2006098016 | 2006-03-31 | ||
JP2006098016 | 2006-03-31 | ||
PCT/JP2006/315616 WO2007018189A1 (ja) | 2005-08-10 | 2006-08-08 | チタンニッケル合金、チタンニッケル合金の表面改質方法および生体親和材 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2007018189A1 true JPWO2007018189A1 (ja) | 2009-02-19 |
Family
ID=37727372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007529581A Pending JPWO2007018189A1 (ja) | 2005-08-10 | 2006-08-08 | チタンニッケル合金、チタンニッケル合金の表面改質方法および生体親和材 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090155622A1 (ja) |
EP (1) | EP1930480A1 (ja) |
JP (1) | JPWO2007018189A1 (ja) |
WO (1) | WO2007018189A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011147464A (ja) * | 2008-04-17 | 2011-08-04 | Nihon Univ | 金属材料、血栓形成抑制材料および血小板付着抑制材料 |
US9279186B2 (en) | 2010-01-28 | 2016-03-08 | Tohoku University | Metal member manufacturing method and metal member |
KR101304217B1 (ko) * | 2011-09-09 | 2013-09-05 | 오스템임플란트 주식회사 | 친수성 보습막이 코팅된 치과용 임플란트 및 그 제조 방법 |
JP6898098B2 (ja) * | 2013-09-06 | 2021-07-07 | オルムコ コーポレイション | 歯列矯正器具並びに当該器具の作製方法及び使用方法 |
CN105586597B (zh) * | 2014-10-21 | 2017-11-24 | 中国石油大学(北京) | 一种TiNi记忆合金表面改性方法 |
US11230787B2 (en) | 2017-09-25 | 2022-01-25 | Alfred E. Mann Institute For Biomedical Engineering At The University Of Southern California | Metal oxide nanostructured surfaces |
BR112020002382A2 (pt) * | 2017-09-29 | 2020-09-01 | Toray Industries, Inc. | material médico antitrombogênico |
CN114959834A (zh) * | 2022-06-13 | 2022-08-30 | 西北有色金属研究院 | 一种电化学去合金法处理医用镍钛的工艺方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6184361A (ja) * | 1984-09-29 | 1986-04-28 | Tohoku Metal Ind Ltd | 擬弾性バネの製造方法 |
JPH0813068A (ja) * | 1994-07-01 | 1996-01-16 | Unitika Ltd | Ti−Ni系金属細線 |
JP2001226782A (ja) * | 1999-12-03 | 2001-08-21 | Fuji Heavy Ind Ltd | チタン−ニッケル合金材の表面処理方法 |
JP2002129387A (ja) * | 2000-10-19 | 2002-05-09 | R & D Inst Of Metals & Composites For Future Industries | チタン−ニッケル合金材の表面処理方法 |
US20040117001A1 (en) * | 2001-01-16 | 2004-06-17 | Pelton Alan R. | Medical devices, particularly stents, and methods for their manufacture |
US20050060021A1 (en) * | 2003-09-16 | 2005-03-17 | O'brien Barry | Medical devices |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2880086A (en) * | 1957-03-06 | 1959-03-31 | Coast Metals Inc | Low melting point nickel-iron alloys |
IL99216A (en) * | 1991-08-18 | 1995-12-31 | Yahalom Joseph | Protective coating for metal parts to be used at high temperatures |
-
2006
- 2006-08-08 WO PCT/JP2006/315616 patent/WO2007018189A1/ja active Application Filing
- 2006-08-08 JP JP2007529581A patent/JPWO2007018189A1/ja active Pending
- 2006-08-08 US US11/990,172 patent/US20090155622A1/en not_active Abandoned
- 2006-08-08 EP EP06782458A patent/EP1930480A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6184361A (ja) * | 1984-09-29 | 1986-04-28 | Tohoku Metal Ind Ltd | 擬弾性バネの製造方法 |
JPH0813068A (ja) * | 1994-07-01 | 1996-01-16 | Unitika Ltd | Ti−Ni系金属細線 |
JP2001226782A (ja) * | 1999-12-03 | 2001-08-21 | Fuji Heavy Ind Ltd | チタン−ニッケル合金材の表面処理方法 |
JP2002129387A (ja) * | 2000-10-19 | 2002-05-09 | R & D Inst Of Metals & Composites For Future Industries | チタン−ニッケル合金材の表面処理方法 |
US20040117001A1 (en) * | 2001-01-16 | 2004-06-17 | Pelton Alan R. | Medical devices, particularly stents, and methods for their manufacture |
US20050060021A1 (en) * | 2003-09-16 | 2005-03-17 | O'brien Barry | Medical devices |
Also Published As
Publication number | Publication date |
---|---|
EP1930480A1 (en) | 2008-06-11 |
WO2007018189A1 (ja) | 2007-02-15 |
US20090155622A1 (en) | 2009-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPWO2007018189A1 (ja) | チタンニッケル合金、チタンニッケル合金の表面改質方法および生体親和材 | |
Alves et al. | In situ impedance spectroscopy study of the electrochemical corrosion of Ti and Ti–6Al–4V in simulated body fluid at 25 C and 37 C | |
Huang | Surface characterizations and corrosion resistance of nickel–titanium orthodontic archwires in artificial saliva of various degrees of acidity | |
O’Brien et al. | Passivation of nitinol wire for vascular implants—a demonstration of the benefits | |
Shabalovskaya | Physicochemical and biological aspects of Nitinol as a biomaterial | |
Yokoyama et al. | Hydrogen embrittlement of Ni‐Ti superelastic alloy in fluoride solution | |
Gutmann et al. | Alteration in the inherent metallic and surface properties of nickel–titanium root canal instruments to enhance performance, durability and safety: a focused review | |
Clarke et al. | Influence of nitinol wire surface treatment on oxide thickness and composition and its subsequent effect on corrosion resistance and nickel ion release | |
JP4913370B2 (ja) | 医療材料及びその製造方法 | |
JP5692729B2 (ja) | 金属処理 | |
Asghari et al. | A facile and cost-effective practical approach to develop clinical applications of NiTi: Fenton oxidation process | |
Hancu et al. | In vitro studies regarding the corrosion resistance of NiCr and CoCr types dental alloys | |
Zhang et al. | Susceptibility to corrosion and in vitro biocompatibility of a laser-welded composite orthodontic arch wire | |
Matei et al. | Evaluation of corrosion resistance of NiTi Nb orthodontic wires in tomato juice | |
Hryniewicz et al. | Modification of nitinol biomaterial for medical applications | |
Iijima et al. | Corrosion behavior of ion implanted nickel-titanium orthodontic wire in fluoride mouth rinse solutions | |
Majed | Galvanic corrosion of dental alloys and amalgam in artificial saliva containing citric acid | |
Wang et al. | Influence of albumin on the electrochemical behaviour of Zr in phosphate buffered saline solutions | |
Elshamy et al. | Electrochemical characteristics of a biomedical Ti70Zr20Nb7. 5Ta2. 5 refractory high entropy alloy in an artificial saliva solution | |
WO2013115831A1 (en) | Nickel-free titanium dioxide surfaces and methods for making and using them | |
Munroe et al. | Enhanced biocompatibility of porous Nitinol | |
Bazochaharbakhsh | Surface nitriding and oxidation of nitinol | |
CN108714252A (zh) | 体内可控降解的镁合金固定螺钉的制备方法 | |
Tabrizian et al. | Surface characteristics of sterilized electropolished NiTi shape memory alloy as biomaterials | |
Vondrák et al. | Preparation and Corrosion of Biodegradable Iron Based Porous Materials |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A529 | Written submission of copy of amendment under article 34 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A5211 Effective date: 20080131 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090714 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090714 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120612 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20121106 |