JP2011518645A5 - - Google Patents

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JP2011518645A5
JP2011518645A5 JP2011507545A JP2011507545A JP2011518645A5 JP 2011518645 A5 JP2011518645 A5 JP 2011518645A5 JP 2011507545 A JP2011507545 A JP 2011507545A JP 2011507545 A JP2011507545 A JP 2011507545A JP 2011518645 A5 JP2011518645 A5 JP 2011518645A5
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bone
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joint
deteriorated
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  1. 悪化前の状態における患者の骨の少なくとも一部を表す回復済み骨モデルを生成する方法であって、
    悪化した状態における前記患者の骨の前記少なくとも一部を表す悪化した骨モデルの基準部分から基準情報を決定するステップと、
    前記基準情報を使用し、前記悪化した骨モデルの悪化した部分を前記悪化前の状態における前記悪化した部分を表す回復済みの部分に回復させるステップと、
    を有する方法。
  2. 前記基準部分は、前記患者の骨の前記少なくとも一部の悪化していない部分を表す前記悪化した骨モデルの一部と関連する請求項1記載の方法。
  3. 前記基準情報は、前記基準部分と関連する少なくとも1つの画像等高線と関連する請求項2記載の方法。
  4. 前記基準情報は、前記少なくとも1つの画像等高線と関連する楕円、プレーン、ベクトル、又はライン情報の中の少なくとも1つのものを含む請求項3記載の方法。
  5. 前記悪化していない部分は、大腿骨顆又は脛骨高原の中の少なくとも1つのものと関連する請求項2記載の方法。
  6. 前記基準情報は、ベクトル情報を含む請求項1記載の方法。
  7. 前記基準情報を使用して前記悪化した骨モデルの悪化した部分を前記悪化前の状態における前記悪化した部分を表す回復済みの部分に回復させるステップは、前記基準情報を使用し、前記悪化した部分と関連する少なくとも1つの画像等高線を変更するステップを含む請求項1記載の方法。
  8. 前記少なくとも1つの画像等高線は、骨等高線又は軟骨等高線の中の少なくとも1つのものを表す請求項3又は7記載の方法。
  9. 前記少なくとも1つの画像等高線は、骨等高線を表す請求項7記載の方法。
  10. 前記少なくとも1つの画像等高線は、MRI又はCTの中の少なくとも1つのものを介して生成された少なくとも1つの画像から得られる請求項3又は7記載の方法。
  11. 前記回復済み骨モデルの精度を検証するステップを更に有する請求項1記載の方法。
  12. 前記回復済みモデルの前記精度は、前記回復済み骨モデルの滑車溝に沿って延長する軸が、前記回復済み骨モデルと関連する関節線と関連するラインとの垂直状態の約6度以内である場合に、許容可能である請求項11記載の方法。
  13. カスタマイズされた関節形成ジグを製造するための製造命令を定義する際に前記回復済み骨モデルを利用するステップを更に有する請求項1記載の方法。
  14. 悪化前の状態における患者の骨の少なくとも一部を表すコンピュータ化骨モデルを生成する方法であって、
    悪化した状態における前記患者の骨の少なくとも1つの画像を生成するステップと、
    前記患者の骨のほぼ悪化していない部分と関連する基準部分を同定するステップと、
    前記患者の骨のほぼ悪化した部分と関連する悪化した部分を同定するステップと、
    前記基準部分と関連する少なくとも1つの画像からの情報を使用し、前記ほぼ悪化した部分と関連する少なくとも1つの画像と関連する少なくとも1つの側面を変更するステップと、
    を有する方法。
  15. 前記患者の骨は、大腿骨及び脛骨の中の少なくとも1つのものである請求項14記載の方法。
  16. 悪化前の状態における患者の第1の骨の少なくとも一部を表すコンピュータ化骨モデルを生成する方法であって、
    悪化した状態における前記患者の第1の骨の少なくとも1つの画像を生成するステップと、
    患者の第2の骨のほぼ悪化していない部分と関連する基準部分を同定するステップと、
    前記患者の第1の骨のほぼ悪化した部分と関連する悪化した部分を同定するステップと、
    前記基準部分と関連する少なくとも1つの画像からの情報を使用し、前記ほぼ悪化した部分と関連する少なくとも1つの画像と関連する少なくとも1つの側面を変更するステップと、
    を有する方法。
  17. 前記患者の第1の骨は、第1の関節の一部であり、且つ、前記患者の第2の骨は、第2の関節の一部である請求項16記載の方法。
  18. 前記患者の第1の骨及び前記患者の第2の骨は、同一の関節の一部である請求項16記載の方法。
  19. 前記少なくとも1つの側面は、少なくとも1つの等高線を含む請求項14又は16記載の方法。
  20. 前記少なくとも1つの等高線は、骨等高線を表す請求項19記載の方法。
  21. 前記少なくとも1つの等高線は、骨等高線又は軟骨等高線の中の少なくとも1つのものを表す請求項19記載の方法。
  22. 結果的に得られるコンピュータ化骨モデルに、少なくとも、前記ほぼ悪化していない部分と関連する少なくとも1つの画像と関連する少なくとも1つの等高線と、前記ほぼ悪化した部分と関連する前記少なくとも1つの画像と関連する前記変更済みの少なくとも1つの等高線と、をコンパイルするステップを更に有する請求項19記載の方法。
  23. 前記結果的に得られるコンピュータ化骨モデルは、前記悪化前の状態における前記患者の骨の前記少なくとも一部を表す前記コンピュータ化骨モデルである請求項22記載の方法。
  24. 前記結果的に得られるコンピュータ化骨モデルは、骨のみを表す請求項23記載の方法。
  25. 前記結果的に得られるコンピュータ化骨モデルは、骨又は軟骨の中の少なくとも1つのものを表す請求項23記載の方法。
  26. 前記情報は、楕円情報、円情報、ライン情報、プレーン情報、又はベクトル情報の中の少なくとも1つのものを含む請求項14又は16記載の方法。
  27. 前記情報は、ベクトル情報を含む請求項14又は16記載の方法。
  28. 前記情報は、大腿骨顆及び脛骨高原の中の少なくとも1つのものと関連する請求項14又は16記載の方法。
  29. 前記患者の第1の骨は、大腿骨又は脛骨の中の少なくとも1つのものである請求項16記載の方法。
  30. 前記悪化前の状態における前記患者の第1の骨の前記少なくとも一部を表す前記コンピュータ化骨モデルの精度を検証するステップを更に有する請求項14又は16記載の方法。
  31. 前記悪化前の状態における前記患者の第1の骨の前記少なくとも一部を表す前記コンピュータ化骨モデルの前記精度は、前記悪化前の状態における前記患者の第1の骨の前記少なくとも一部を表す前記コンピュータ化骨モデルの滑車溝に沿って延長する軸が、前記悪化前の状態における前記患者の第1の骨の前記少なくとも一部を表す前記コンピュータ化骨モデルと関連する関節線と関連するラインとの垂直の状態のほぼ6度以内である場合に、許容可能である請求項30記載の方法。
  32. 悪化前の状態における患者の第1の骨の少なくとも一部を表すコンピュータ化骨モデルを生成する方法であって、前記患者の第1の骨は、患者の第1の関節の一部である、方法であって、
    第2の関節の患者の第2の骨を同定するステップであって、前記第2の骨は、前記患者の第1の骨のほぼ対称的な鏡像である、ステップと、
    前記患者の第2の骨がほぼ悪化していない状態にあった際の前記患者の第2の骨の複数の画像を生成するステップと、
    前記複数の画像をミラーリングし、前記複数の画像の順序を逆転させるステップと、
    前記逆転された順序における前記複数の画像をコンパイルし、前記患者の第1の骨の前記少なくとも一部を表す前記コンピュータ化骨モデルを形成するステップと、
    を有する方法。
  33. 前記第1及び第2の関節は、膝関節である請求項32記載の方法。
  34. 前記第1及び第2の関節は、膝関節、肘関節、臀部関節、手首関節、肩関節、又は足首関節から構成された群から選択される請求項32記載の方法。
  35. 前記画像は、MRI又はCTの中の少なくとも1つのものを介して生成される請求項14、16又は32記載の方法。
  36. カスタマイズされた関節形成ジグを製造するための製造命令を定義する際に前記悪化前の状態における前記患者の第1の骨の前記少なくとも一部を表す前記コンピュータ化骨モデルを利用するステップを更に有する請求項14、16又は32記載の方法。
  37. 請求項13又は36記載の方法に従って製造されたカスタマイズされた関節形成ジグ。
  38. 前記ジグは、人工埋植物が患者の関節を自然なアライメントに回復させることを促進するべく構成されている請求項37記載のカスタマイズされた関節形成ジグ。
  39. 前記人工埋植物は、全関節置換又は部分的関節置換用である請求項38記載のカスタマイズされた関節形成ジグ。
JP2011507545A 2008-04-29 2009-04-23 悪化前の状態を表すと共に関節形成装置の設計及び製造において使用可能であるコンピュータ化骨モデルの生成 Active JP5681098B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/111,924 US8480679B2 (en) 2008-04-29 2008-04-29 Generation of a computerized bone model representative of a pre-degenerated state and useable in the design and manufacture of arthroplasty devices
US12/111,924 2008-04-29
PCT/US2009/041519 WO2009134672A1 (en) 2008-04-29 2009-04-23 Generation of a computerized bone model representative of a pre-degenerated state and useable in the design and manufacture of arthroplasty devices

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JP2011518645A JP2011518645A (ja) 2011-06-30
JP2011518645A5 true JP2011518645A5 (ja) 2012-06-07
JP5681098B2 JP5681098B2 (ja) 2015-03-04

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US (3) US8480679B2 (ja)
EP (2) EP2280671B1 (ja)
JP (1) JP5681098B2 (ja)
AU (1) AU2009241396B2 (ja)
CA (1) CA2721735C (ja)
TW (1) TW200946073A (ja)
WO (1) WO2009134672A1 (ja)

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