JP2007229446A - 医療用インプラント部品を製造するための方法及びそのような部品 - Google Patents
医療用インプラント部品を製造するための方法及びそのような部品 Download PDFInfo
- Publication number
- JP2007229446A JP2007229446A JP2007000646A JP2007000646A JP2007229446A JP 2007229446 A JP2007229446 A JP 2007229446A JP 2007000646 A JP2007000646 A JP 2007000646A JP 2007000646 A JP2007000646 A JP 2007000646A JP 2007229446 A JP2007229446 A JP 2007229446A
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- Japan
- Prior art keywords
- coating
- bearing portion
- thickness
- medical implant
- spraying
- Prior art date
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- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
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- C—CHEMISTRY; METALLURGY
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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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- 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
【解決手段】本方法は、第1の材料から、ベアリング部分を有する基質を形成するステップと、所定の溶射技術にしたがって第2の材料からなる粒子を基質のベアリング部分に対して吹き付けて、前記ベアリング部分上にコーティングを設けるステップと、コーティングされたベアリング部分を熱間等静圧圧縮成形プロセス、真空焼結プロセス、又は、大気を制御した焼結プロセスに晒すステップとを含んでもよい。第1の材料は、第2の材料と同じであってもよく或いは異なっていてもよい。所定の溶射技術は、プラズマ溶射プロセス又は高速酸素燃料溶射プロセスなどの熱型の溶射プロセスであってもよい。
【選択図】図1
Description
Claims (44)
- 医療用インプラント部品を製造する方法であって、前記方法は、
第1の材料から、ベアリング部分を有する前記基質を形成するステップと、
所定の溶射技術にしたがって第2の材料からなる粒子を基質のベアリング部分に対して吹き付けて、前記ベアリング部分上にコーティングを設けるステップと、
コーティングされたベアリング部分を真空焼結プロセスに晒すステップと、
を含み、
製造完了時に、ベアリング部分は、部材又は他の医療用インプラント部品の一部と関節を成すようになっているベアリング表面となる、方法。 - 第1の材料が第2の材料と異なる請求項1に記載の方法。
- 前記所定の溶射技術が熱型の溶射プロセスである請求項2に記載の方法。
- 前記熱型の溶射技術は、プラズマ溶射プロセス又は高速酸素燃料(HVOF)溶射プロセスのうちの1つである請求項3に記載の方法。
- HVOF溶射プロセスがケロシン型溶射プロセスである請求項4に記載の方法。
- 第1の材料が生体適合性金属又はその合金である請求項2に記載の方法。
- 第2の材料がセラミック材料又はセラミック金属(サーメット)複合材料である請求項6に記載の方法。
- セラミック材料は、シリコン(Si)、チタン(Ti)、タンタル(Ta)、タングステン(W)、ジルコニウム(Zr)、ニオブ(Nb)、クロム(Cr)、又はアルミニウム(Al)のうちの任意の元素の酸化物、炭化物、窒化物、又は、ニトロカーバイドのうちの任意の1つであり、サーメット複合材料は、(i)Si、Ti、Ta、W、Zr、Nb、Cr又はAlのうちの任意の元素の酸化物、炭化物、窒化物、又は、ニトロカーバイドのうちのいずれかと、(ii)Ti又はその合金、コバルトクロム又はその合金、Zr金属又はその合金、Ta又はその合金、あるいは、ステンレススチールのうちのいずれかとによって形成されている請求項7に記載の方法。
- 医療用インプラント部品を製造する方法であって、前記方法は、
第1の材料から、ベアリング部分を有する前記基質を形成するステップと、
所定の溶射技術にしたがって第2の材料からなる粒子を基質のベアリング部分に対して吹き付けて、前記ベアリング部分上に第1の厚さを有する第2の材料のコーティングを設けるステップと、
コーティングが第1の厚さよりも薄い第2の厚さを有するように、第2の材料のコーティングを研削するステップと、
コーティングが第2の厚さまで研削された後、第2の材料のコーティングを真空焼結プロセスに晒すステップと、
を含み、
製造完了時に、第2の材料のコーティングを有する前記基質のベアリング部分は、部材又は他の医療用インプラント部品の一部と関節を成すようになっている、方法。 - コーティングが第2の厚さよりも薄い第3の厚さを有するように、第2の材料のコーティングを真空焼結プロセスに晒した後に研削するステップを更に含む請求項9に記載の方法。
- 第1の材料が第2の材料と異なる請求項10に記載の方法。
- 前記所定の溶射技術が熱型の溶射プロセスである請求項11に記載の方法。
- 前記熱型の溶射技術は、プラズマ溶射プロセス又は高速酸素燃料(HVOF)溶射プロセスである請求項12に記載の方法。
- 第1の材料が生体適合性金属又はその合金である請求項11に記載の方法。
- 第2の材料がセラミック材料である請求項14に記載の方法。
- セラミック材料がクロム酸化物又はクロムカーバイドである請求項15に記載の方法。
- 第2の材料のコーティングが少なくとも約25ミクロンの厚さを有する請求項1に記載の方法。
- 第1の材料が第2の材料と同じである請求項1に記載の方法。
- 医療用インプラント部品が大腿骨球頭部品である請求項1に記載の方法。
- コーティングの第3の厚さが少なくとも約25ミクロンの値を有する請求項10に記載の方法。
- 第1の材料が第2の材料と同じである請求項10に記載の方法。
- 医療用インプラント部品が大腿骨球頭部品である請求項10に記載の方法。
- 医療用インプラント部品を製造する方法であって、前記方法は、
第1の材料から、ベアリング部分を有する前記基質を形成するステップと、
所定の溶射技術にしたがって第2の材料からなる粒子を基質のベアリング部分に対して吹き付けて、前記ベアリング部分上にコーティングを設けるステップと、
コーティングされたベアリング部分を、大気を制御した焼結プロセスに晒すステップと、
を含み、
製造完了時に、ベアリング部分は、部材又は他の医療用インプラント部品の一部と関節を成すようになっているベアリング表面となる、方法。 - 第1の材料が第2の材料と異なる請求項23に記載の方法。
- 前記所定の溶射技術が熱型の溶射プロセスである請求項24に記載の方法。
- 前記熱型の溶射技術は、プラズマ溶射プロセス又は高速酸素燃料(HVOF)溶射プロセスのうちの1つである請求項25に記載の方法。
- HVOF溶射プロセスがケロシン型溶射プロセスである請求項26に記載の方法。
- 第1の材料が生体適合性金属又はその合金である請求項24に記載の方法。
- 第2の材料がセラミック材料又はセラミック金属(サーメット)複合材料である請求項28に記載の方法。
- セラミック材料は、シリコン(Si)、チタン(Ti)、タンタル(Ta)、タングステン(W)、ジルコニウム(Zr)、ニオブ(Nb)、クロム(Cr)、又はアルミニウム(Al)のうちの任意の元素の酸化物、炭化物、窒化物、又は、ニトロカーバイドのうちの任意の1つであり、サーメット複合材料は、(i)Si、Ti、Ta、W、Zr、Nb、Cr又はAlのうちの任意の元素の酸化物、炭化物、窒化物、又は、ニトロカーバイドのうちのいずれかと、(ii)Ti又はその合金、コバルトクロム又はその合金、Zr金属又はその合金、Ta又はその合金、あるいは、ステンレススチールのうちのいずれかとによって形成されている請求項29に記載の方法。
- 医療用インプラント部品を製造する方法であって、前記方法は、
第1の材料から、ベアリング部分を有する前記基質を形成するステップと、
所定の溶射技術にしたがって第2の材料からなる粒子を基質のベアリング部分に対して吹き付けて、前記ベアリング部分上に第1の厚さを有する第2の材料のコーティングを設けるステップと、
コーティングが第1の厚さよりも薄い第2の厚さを有するように、第2の材料のコーティングを研削するステップと、
コーティングが第2の厚さまで研削された後、第2の材料のコーティングを、大気を制御した焼結プロセスに晒すステップと、
を含み、
製造完了時に、第2の材料のコーティングを有する前記基質のベアリング部分は、部材又は他の医療用インプラント部品の一部と関節を成すようになっている、方法。 - コーティングが第2の厚さよりも薄い第3の厚さを有するように、第2の材料のコーティングを、大気を制御した焼結プロセスに晒した後に研削するステップを更に含む請求項31に記載の方法。
- 第1の材料が第2の材料と異なる請求項32に記載の方法。
- 前記所定の溶射技術が熱型の溶射プロセスである請求項33に記載の方法。
- 前記熱型の溶射技術は、プラズマ溶射プロセス又は高速酸素燃料(HVOF)溶射プロセスである請求項34に記載の方法。
- 第1の材料が生体適合性金属又はその合金である請求項33に記載の方法。
- 第2の材料がセラミック材料である請求項36に記載の方法。
- セラミック材料がクロム酸化物又はクロムカーバイドである請求項37に記載の方法。
- 第2の材料のコーティングが少なくとも約25ミクロンの厚さを有する請求項23に記載の方法。
- 第1の材料が第2の材料と同じである請求項23に記載の方法。
- 医療用インプラント部品が大腿骨球頭部品である請求項23に記載の方法。
- コーティングの第3の厚さが少なくとも約25ミクロンの値を有する請求項31に記載の方法。
- 第1の材料が第2の材料と同じである請求項31に記載の方法。
- 医療用インプラント部品が大腿骨球頭部品である請求項31に記載の方法。
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US20070154620A1 (en) | 2007-07-05 |
CA2572699A1 (en) | 2007-07-05 |
EP1806155B1 (en) | 2010-11-03 |
DE602007010189D1 (de) | 2010-12-16 |
CA2572699C (en) | 2012-10-23 |
ATE486617T1 (de) | 2010-11-15 |
US8187660B2 (en) | 2012-05-29 |
EP1806155A2 (en) | 2007-07-11 |
AU2007200034B2 (en) | 2012-11-22 |
AU2007200034A1 (en) | 2007-07-19 |
EP1806155A3 (en) | 2007-10-10 |
EP1806155B9 (en) | 2012-03-14 |
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