JP5053019B2 - 整形外科構成要素の製造方法および設備 - Google Patents
整形外科構成要素の製造方法および設備 Download PDFInfo
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- JP5053019B2 JP5053019B2 JP2007254274A JP2007254274A JP5053019B2 JP 5053019 B2 JP5053019 B2 JP 5053019B2 JP 2007254274 A JP2007254274 A JP 2007254274A JP 2007254274 A JP2007254274 A JP 2007254274A JP 5053019 B2 JP5053019 B2 JP 5053019B2
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- slurry
- polishing
- chemical
- implant
- preparing
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Images
Classifications
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Description
本発明は、概して整形外科の分野に関し、特に関節形成術において使用するインプラントに関する。
骨格系は、人間の胴から延びる多くの長骨を含む。これら長骨は、大腿骨、腓骨、脛骨、上腕骨、橈骨、および尺骨を含む。
本発明は、整形インプラント構成要素の関節面上の表面仕上げを減少させるための方法および装置に向けられている。特に本発明は、化学的機械的研磨(CMP)を使用して、インプラント構成要素を準備する、高度に正確な方法に向けられている。
本発明の実施形態、および本発明の利点は、以下の説明、および図を参照することによって最適に理解され、同様の番号が、図の同様ならびに対応する部分に使用されている。
(1) 整形外科インプラントの関節面の表面粗度を減少させる方法において、
研磨粒子を準備するステップと、
酸化体、腐食防止剤、錯化剤、および界面活性剤のうちの少なくとも1つを含む化学物質を準備するステップと、
スラリーを形成するために前記研磨粒子と前記化学物質とを混ぜ合わせるステップと、
前記インプラントを前記スラリーで研磨するステップと、
を含む、方法。
(2) 実施態様1に記載の方法において、
化学物質を準備する前記ステップは、研磨されるべき対象物中の金属または相のうちの1つを、バルク合金中に存在する場合よりも高い酸化状態に酸化することができる化学物質を準備するステップを含む、方法。
(3) 実施態様1に記載の方法において、
化学物質を準備する前記ステップは、前記合金の1つの相の腐食を、他の合金構成要素を腐食または溶解させるように構成されているスラリー成分の存在下でも防ぐことができる化学物質を準備するステップを含む、方法。
(4) 実施態様1に記載の方法において、
化学物質を準備する前記ステップは、研磨されるべき前記対象物から除去される成分を封鎖することができる化学物質を準備するステップを含む、方法。
(5) 実施態様1に記載の方法において、
化学物質を準備する前記ステップは、スラリー研磨成分とスラリー液体成分との間の表面張力を低下させるか、または研磨されるべき前記対象物と前記スラリー液体成分との間の表面張力を低下させることができる前記界面活性剤を備えた化学物質を準備するステップを含む、方法。
(6) 実施態様1に記載の方法において、
研磨粒子を準備する前記ステップは、金属酸化物を準備するステップを含む、方法。
(7) 実施態様1に記載の方法において、
金属酸化物を準備する前記ステップは、二酸化ケイ素を準備するステップを含む、方法。
(8) 実施態様1に記載の方法において、
前記インプラントを前記スラリーで研磨する前記ステップは、
パッドを準備するステップ、および、
前記スラリーを前記パッドに塗布するステップ、
を含む、方法。
(9) 実施態様8に記載の方法において、
前記インプラントを前記スラリーで研磨する前記ステップは、前記インプラントを前記パッドに対して関節運動させるステップを含む、方法。
(10) 実施態様8に記載の方法において、
パッドを準備する前記ステップは、ウレタン製パッドを準備するステップを含む、方法。
(11) 実施態様8に記載の方法において、
パッドを準備する前記ステップは、研磨圧または接触面積のうち少なくとも1つを変えることができる膨張性支持部に取り付けられたパッドを提供するステップを含む、方法。
(12) 実施態様8に記載の方法において、
前記インプラントを前記スラリーで研磨する前記ステップは、前記スラリーが前記インプラントと前記パッドとの間に存在する状態で、前記インプラント上に、および前記パッドに対して力を加えるステップを含む、方法。
(13) 方法によって研磨される関節面を備える整形外科インプラントにおいて、
この方法は、
研磨粒子を準備するステップ、
酸化体、腐食防止剤、錯化剤、および界面活性剤のうちの少なくとも1つを含む化学物質を準備するステップ、
スラリーを形成するために前記研磨粒子と前記化学物質とを混ぜ合わせるステップ、ならびに、
前記インプラントを前記スラリーで研磨するステップ、
を有する、整形外科インプラント。
研磨粒子、ならびに、酸化体、腐食防止剤、錯化剤、および界面活性剤のうちの少なくとも1つを有する化学物質、を含むスラリーと、
枠、研磨ゾーンにおいて前記スラリーを収容するための容器、ならびに、前記構成要素を固定するため、および前記スラリーと前記構成要素の前記表面との間の相対運動を生じさせるための機構、を含む装置であって、前記装置および前記容器は、前記枠に動作可能に連結されている、装置と、
を含む、システム。
(15) 実施態様14に記載のシステムにおいて、
前記スラリーの前記化学物質は、酸化体、腐食防止剤、錯化剤、および界面活性剤のうちの少なくとも1つを含む、システム。
(16) 実施態様14に記載のシステムにおいて、
前記スラリーの前記化学物質は、研磨されるべき対象物中の金属または相のうちの1つを、バルク合金中に存在する場合よりも高い酸化状態に酸化することができる、システム。
(17) 実施態様14に記載のシステムにおいて、
前記スラリーの前記化学物質は、前記研磨粒子の存在下で、前記合金の1つの相の腐食を防ぐことができ、
前記化学物質は、他の合金構成要素を腐食または溶解させるように構成されている、システム。
(18) 実施態様14に記載のシステムにおいて、
前記スラリーの前記化学物質は、研磨されるべき前記対象物から除去された成分を封鎖することができる、システム。
(19) 実施態様14に記載のシステムにおいて、
前記スラリーの前記化学物質は、前記研磨粒子と前記化学物質との間の表面張力を低下させるか、または研磨されるべき前記対象物と前記化学物質との間の表面張力を低下させることができる界面活性剤を含む、システム。
(20) 実施態様14に記載のシステムにおいて、
前記装置は、前記構成要素からの材料除去率を決定し、前記構成要素に対する前記研磨ゾーンの運動方向および運動速度を決定し、かつ、必要とされる研磨サイクル数を決定するためのコントローラ、をさらに含む、システム。
(21) 実施態様14に記載のシステムにおいて、
前記スラリーの前記研磨粒子は、金属酸化物を含む、システム。
枠と、
研磨ゾーンにおいて前記スラリーを収容するための容器と、
前記構成要素を固定し、前記スラリーと前記構成要素の前記表面との間の相対運動を生じさせるための機構であって、前記機構および前記容器は、前記枠に動作可能に連結されている、機構と、
を含む、装置。
Claims (14)
- 整形外科インプラントの関節面の表面粗度を減少させる方法において、
研磨粒子を準備するステップと、
酸化体、腐食防止剤、錯化剤、および界面活性剤のうちの少なくとも1つを含む化学物質を準備するステップと、
スラリーを形成するために前記研磨粒子と前記化学物質とを混ぜ合わせるステップと、
前記インプラントを前記スラリーで研磨するステップと、
を含む、方法。 - 請求項1に記載の方法において、
化学物質を準備する前記ステップは、研磨されるべき対象物中の金属または相のうちの1つを、バルク合金中に存在する場合よりも高い酸化状態に酸化することができる化学物質を準備するステップを含む、方法。 - 請求項1に記載の方法において、
化学物質を準備する前記ステップは、前記合金の1つの相の腐食を、他の合金構成要素を腐食または溶解するように構成されているスラリー成分の存在下でも防ぐことができる化学物質を準備するステップを含む、方法。 - 請求項1に記載の方法において、
化学物質を準備する前記ステップは、研磨されるべき前記対象物から除去される成分を封鎖することができる化学物質を準備するステップを含む、方法。 - 請求項1に記載の方法において、
化学物質を準備する前記ステップは、スラリー研磨成分とスラリー液体成分との間の表面張力を低下させるか、または研磨されるべき前記対象物と前記スラリー液体成分との間の表面張力を低下させることができる前記界面活性剤を備えた化学物質を準備するステップを含む、方法。 - 請求項1に記載の方法において、
研磨粒子を準備する前記ステップは、金属酸化物を準備するステップを含む、方法。 - 請求項1に記載の方法において、
金属酸化物を準備する前記ステップは、二酸化ケイ素を準備するステップを含む、方法。 - 請求項1に記載の方法において、
前記インプラントを前記スラリーで研磨する前記ステップは、
パッドを準備するステップ、および、
前記スラリーを前記パッドに塗布するステップ、
を含む、方法。 - 請求項8に記載の方法において、
前記インプラントを前記スラリーで研磨する前記ステップは、前記インプラントを前記パッドに対して関節運動させるステップを含む、方法。 - 請求項8に記載の方法において、
パッドを準備する前記ステップは、ウレタン製パッドを準備するステップを含む、方法。 - 請求項8に記載の方法において、
パッドを準備する前記ステップは、研磨圧または接触面積のうち少なくとも1つを変えることができる膨張性支持部に取り付けられたパッドを提供するステップを含む、方法。 - 請求項8に記載の方法において、
前記インプラントを前記スラリーで研磨する前記ステップは、前記スラリーが前記インプラントと前記パッドとの間に存在する状態で、前記インプラント上に、および前記パッドに対して、力を加えるステップを含む、方法。 - 方法によって研磨される関節面を備える整形外科インプラントにおいて、
この方法は、
研磨粒子を準備するステップ、
酸化体、腐食防止剤、錯化剤、および界面活性剤のうちの少なくとも1つを含む化学物質を準備するステップ、
スラリーを形成するために前記研磨粒子と前記化学物質とを混ぜ合わせるステップ、ならびに、
前記インプラントを前記スラリーで研磨するステップ、
を有する、整形外科インプラント。 - 整形外科インプラントの金属製構成要素の関節面を準備する際に使用するシステムにおいて、
研磨粒子、ならびに、酸化体、腐食防止剤、錯化剤、および界面活性剤のうちの少なくとも1つを有する化学物質、を含むスラリーと、
枠、研磨ゾーンにおいて前記スラリーを収容するための容器、ならびに、前記構成要素を固定するため、および前記スラリーと前記構成要素の前記表面との間の相対運動を生じさせるための機構、を含む装置であって、前記装置および前記容器は、前記枠に動作可能に連結されている、装置と、
を含む、システム。
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US8357286B1 (en) | 2007-10-29 | 2013-01-22 | Semcon Tech, Llc | Versatile workpiece refining |
US8696759B2 (en) | 2009-04-15 | 2014-04-15 | DePuy Synthes Products, LLC | Methods and devices for implants with calcium phosphate |
US20100268227A1 (en) * | 2009-04-15 | 2010-10-21 | Depuy Products, Inc. | Methods and Devices for Bone Attachment |
EP2272466A1 (en) * | 2009-07-10 | 2011-01-12 | Medizinische Hochschule Hannover | Knee joint prosthesis and method for producing said prosthesis |
CN102639665B (zh) * | 2009-12-03 | 2015-04-01 | 3M创新有限公司 | 粒子的静电沉积方法、磨粒以及制品 |
US8475536B2 (en) * | 2010-01-29 | 2013-07-02 | DePuy Synthes Products, LLC | Methods and devices for implants with improved cement adhesion |
EP2855084B1 (en) * | 2012-06-01 | 2021-09-29 | Smith&Nephew, Inc. | Method of orthopaedic implant finishing |
US9827104B2 (en) | 2012-06-27 | 2017-11-28 | Laboratoires Bodycad Inc. | Method of machining a workpiece into a desired patient specific object |
US10070959B2 (en) * | 2016-09-28 | 2018-09-11 | DePuy Synthes Products, Inc. | Method of texturing prosthetic implants |
CN112872920B (zh) * | 2021-03-01 | 2024-05-07 | 中国工程物理研究院机械制造工艺研究所 | 基于力反馈的机器人磁流变抛光法向定位执行器及方法 |
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