JP2023512010A - 硬質及び軟質の組織に組み込まれるインプラント、ねじ、及び、プレートのための白色の細菌耐性の生体適合性の粘着性のコーティング、並びに、その製造方法 - Google Patents
硬質及び軟質の組織に組み込まれるインプラント、ねじ、及び、プレートのための白色の細菌耐性の生体適合性の粘着性のコーティング、並びに、その製造方法 Download PDFInfo
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- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 6
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- 239000002245 particle Substances 0.000 description 1
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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Abstract
Description
Claims (21)
- 硬質及び軟質の組織に組み込まれ得る要素(20)、特に、様々な酸素含有量を有する金属勾配層(11,12,13)から形成される構造を有するインプラント、ねじ又はプレートのための白色の細菌耐性の生体適合性の粘着性のコーティングであって、最も外側の勾配層(13)のバンドギャップ(Eg)が3.1eVよりも大きく、前記最も外側の勾配層が結晶性であり、前記勾配層(11,12,13)がタンタル及び/又はニオブ及び/又はジルコニウム及び/又はチタンを含むコーティング。
- 前記要素(20)上に塗布される最も下側の勾配層(11)が金属接着結合層であり、前記最も外側の勾配層(13)が完全な化学量論を有する金属酸化物層であり、中間の勾配層(12)は、前記要素上に塗布される前記最も下側の勾配層(11)から前記最も外側の勾配層(13)まで前記完全な化学量論へと増大する酸素含有量を有する、請求項1に記載のコーティング。
- 酸素含有量を有する前記勾配層(12,13)のうちの少なくとも1つ、好ましくは少なくとも前記最も外側の勾配層(13)が、5nm以上の粒径を有する、請求項1又は2に記載のコーティング。
- 前記勾配層(11,12,13)がアルミニウム及び/又はスズを更に有する、請求項1から3のいずれか一項に記載のコーティング。
- 前記勾配層(12,13)中の前記金属の濃度は、少なくとも二元酸化物を有する前記勾配層(12,13)が3.1eVよりも大きいバンドギャップ(Eg)を有するように少なくとも二元酸化物によって調整される、請求項1から4のいずれか一項に記載のコーティング。
- 1つ以上の勾配層(11,12,13)が炭素及び/又は窒素及び/又はホウ素及び/又はフッ素を含有する、請求項1から5のいずれか一項に記載のコーティング。
- 前記要素上に塗布される前記最も下側の層の勾配層(11)が50nm以下の厚さを有する、請求項1から6のいずれか一項に記載のコーティング。
- 還元酸素化学量論量を有する前記勾配層(12)の全厚は、500nm以下、好ましくは200nm以下、更に好ましくは100nm以下、更に好ましくは60nm以下である、請求項1から7のいずれか一項に記載のコーティング。
- 前記最も外側の勾配層(13)の厚さが10μm以下である、請求項1から8のいずれか一項に記載のコーティング。
- 前記コーティングの全厚は、3μm~7μm、好ましくは4μm~6μm、更に好ましくは4.5μm~5.5μmである、請求項1から9のいずれか一項に記載のコーティング。
- 硬質及び軟質の組織に組み込まれ得る要素(20)、特にインプラント、ねじ及びプレートのための白色の細菌耐性の生体適合性の粘着性のコーティング、特に請求項1から10のいずれか一項に記載のコーティングを製造するための方法であって、
- PVD(物理蒸着)によって前記要素(20)の表面上に第1の勾配層(11)として金属接着結合層を塗布するステップと、
- タンタル及び/又はニオブ及び/又はジルコニウム及び/又はチタン並びに酸素を含む勾配層(12,13)を、最も外側の勾配層(13)の完全な化学量論に達するまで前記勾配層(12,13)の塗布中に酸素含有量を増大させることによって増大する酸素含有量を有する前記金属接着結合層(11)上に塗布するステップと、
を含み、
前記外側の勾配層(13)のバンドギャップ(Eg)が3.1eVよりも大きい、方法。 - 前記勾配層(11,12,13)の前記塗布が300℃以上の温度で行われる、請求項11に記載の方法。
- 前記勾配層(11,12,13)が酸素雰囲気下で硬化される、請求項11又は12に記載の方法。
- 前記勾配層(11,12,13)が5nm以上の粒径を有するように形成される、請求項11から13のいずれか一項に記載の方法。
- 前記勾配層(11,12,13)がタンタル及び/又はニオブ及び/又はジルコニウム及び/又はチタン並びに酸素を含む、請求項11から14のいずれか一項に記載の方法。
- 前記勾配層(11,12,13)がアルミニウム及び/又はスズを更に含む、請求項11から15のいずれか一項に記載の方法。
- 前記勾配層(11,12,13)の前記塗布は、前記要素(20)上に塗布される最も下側の勾配層(11)が金属接着結合層であり、最も外側の勾配層(13)が完全な化学量論を有する金属酸化物層であるように実行され、中間の勾配層(12)は、前記要素上に塗布される前記最も下側の勾配層(11)から前記最も外側の勾配層(13)まで完全な化学量論へと増大する酸素含有量を有する、請求項11から16のいずれか一項に記載の方法。
- 前記勾配層(12,13)中の金属の濃度は、少なくとも二元酸化物を有する前記勾配層(12,13)が3.1eVよりも大きいバンドギャップ(Eg)を有するように少なくとも二元酸化物によって調整される、請求項11から17のいずれか一項に記載の方法。
- 1つ以上の勾配層(11,12,13)が炭素及び/又は窒素及び/又はホウ素及び/又はフッ素を含有する、請求項11から18のいずれか一項に記載の方法。
- 好ましくは請求項11から19のいずれか一項に記載の方法を使用して製造される請求項1から10のいずれか一項に記載のコーティングを含むインプラント。
- 前記インプラントがエノサル部分及びアバットメントを有する歯科用インプラントによって形成され、前記コーティングが前記歯科用インプラントの前記エノサル部分及び前記アバットメントの両方に塗布される、請求項20に記載のインプラント。
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PCT/EP2021/051602 WO2021151832A1 (de) | 2020-01-27 | 2021-01-25 | Weisse, bakterienresistente, biokompatible, haftfeste beschichtung für in hart- und weichgewebe integrierte implantate, schrauben und platten und herstellungsverfahren |
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US5383934A (en) | 1992-03-04 | 1995-01-24 | Implant Sciences, Corporation | Method for ion beam treating orthopaedic implant components |
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