JP6838162B2 - 固形人工骨の製造装置及び製造方法 - Google Patents
固形人工骨の製造装置及び製造方法 Download PDFInfo
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- JP6838162B2 JP6838162B2 JP2019535995A JP2019535995A JP6838162B2 JP 6838162 B2 JP6838162 B2 JP 6838162B2 JP 2019535995 A JP2019535995 A JP 2019535995A JP 2019535995 A JP2019535995 A JP 2019535995A JP 6838162 B2 JP6838162 B2 JP 6838162B2
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- 210000000988 bone and bone Anatomy 0.000 title claims description 114
- 239000007787 solid Substances 0.000 title claims description 109
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 238000005520 cutting process Methods 0.000 claims description 21
- 230000003746 surface roughness Effects 0.000 claims description 15
- 238000005498 polishing Methods 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 13
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000000149 argon plasma sintering Methods 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 10
- 238000010146 3D printing Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- 210000004233 talus Anatomy 0.000 claims description 7
- 238000007639 printing Methods 0.000 claims description 5
- 210000003423 ankle Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 3
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000788 chromium alloy Substances 0.000 description 2
- 239000010952 cobalt-chrome Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 238000000968 medical method and process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
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- 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
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Description
Claims (7)
- 金属3Dプリント技術を利用し、コバルトクロム合金及び直接金属レーザー焼結により特定の変化形状及び密度を有するソリッドボーンを形成し、前記ソリッドボーンをプリント及び形成してから前記ソリッドボーンから選出された約80%またはそれ以上の表面に対して同期に切削加工操作を行って前記ソリッドボーンがRy<1〜2μmの表面粗さを有するようにし、また、前記ソリッドボーンの接触表面の少なくとも1か所に対して同期に研磨操作を行い、前記接触表面にA4級=Ra0.063μmまたはその以下の表面粗さを有するようにし、
前記ソリッドボーンは第一密度部及び密度が前記第一密度部より低い第二密度部を含み、そして、前記第一密度部は、追加の焼結操作により前記第二密度部より高い密度になるようにし、前記第二密度部は、グリッド構成になるように配置して前記第一密度部より低い密度になるようにし、前記第一密度部は、前記第二密度部の周辺に位置し、前記第一密度部は、99.5%またはその以上の相対密度、前記第二密度部は、90%またはその以上の相対密度を有することを特徴とする固形人工骨の製造方法。 - 前記ソリッドボーンをプリント及び形成する際、前記ソリッドボーンのトップおよび/または底部に前記ソリッドボーンの後継ぎの加工操作に役立つ延伸部を形成し、前記延伸部は、直径8mm、長さ8〜10mmの円筒部を含む筒部であり、前記筒部の軸線が前記ソリッドボーンの中軸線と平行および/または一致し、および/または前記筒部と後次の加工操作を行うための加工機器とカップリングするように配置し、必要な加工操作を行うようにすることを特徴とする請求項1に記載の固形人工骨の製造方法。
- 前記ソリッドボーンが足首の骨であり、および/または前記コバルトクロム合金がCo-Cr-Moおよび/またはCo-Cr-W-Niを含むことを特徴とする請求項1または2に記載の固形人工骨の製造方法。
- コバルトクロム合金及び直接金属レーザー焼結により特定の変化形状及び密度を有するソリッドボーンを形成する金属3Dプリンターユニットと、前記金属3Dプリンターユニットでプリントを行い、前記ソリッドボーンを形成してから前記ソリッドボーンから選出された表面の約80%に対して同期に切削加工操作を行い、前記ソリッドボーンにRy<1〜2μmの表面粗さを有するようにする前記金属3Dプリンターユニットと操作可能に接続する切削加工ユニットと、及び前記ソリッドボーンの接触表面の少なくとも1か所に対して同期に研磨操作を行い、前記接触表面にA4級=RaO.063μmまたはその以下の表面粗さを有するようにする、前記切削加工ユニットと操作可能に接続する研摩ユニットとを含む製造装置で前記ソリッドボーンを製造することを特徴とする請求項1〜3の何れか1つに記載の固形人工骨の製造方法。
- 前記金属3Dプリンターユニットは前記ソリッドボーンをプリント及び形成する際に当たり、前記ソリッドボーンのトップおよび/または底部に前記ソリッドボーンの後継ぎの加工操作に役に立つ延伸部を形成し、前記延伸部が直径8mm及び長さ8〜10mmの円筒部を含む筒部であり、前記筒部の軸線が前記のソリッドボーンの中軸線と平行および/または一致し、および/または前記筒部が前記切削加工ユニットおよび/または前記摩ユニットとカップリングするように配置して加工操作を行うようにすることを特徴とする請求項4に記載の固形人工骨の製造方法。
- 前記金属3Dプリンターユニットで形成した前記ソリッドボーンは第一密度部及び密度が前記第一密度部より低い第二密度部を含み、そして、前記第一密度部は、追加の焼結操作により前記第二密度部より高い密度になることができ、前記第二密度部は、グリッド構成になるように配置して前記の第一密度部より低い密度になるようにすることができ、前記第一密度部は、前記第二密度部の周辺に位置し、前記第一密度部は、99.5%またはその以上の相対密度、前記第二密度部は、90%またはその以上の相対密度を有することを特徴とする請求項4または5に記載の固形人工骨の製造方法。
- 前記金属3Dプリンターユニットで形成した前記ソリッドボーンが足首の骨であり、前記コバルトクロム合金がCo-Cr-Moおよび/またはCo-Cr-W-Niを含むことを特徴とする請求項4〜6の何れか1つに記載の固形人工骨の製造方法。
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KR102227735B1 (ko) * | 2020-01-03 | 2021-03-15 | 국립암센터 | 장기의 3d 모델링 방법 및 3d 장기 모델 |
CN113427019B (zh) * | 2021-06-22 | 2023-03-10 | 清华大学 | 一种复合材料和结构功能的金属骨植入物的制造方法 |
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US8556972B2 (en) * | 2009-04-02 | 2013-10-15 | Sevika Holding AG | Monolithic orthopedic implant with an articular finished surface |
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