JP6533273B2 - 人工膝関節面の固定を援助する医療装置 - Google Patents
人工膝関節面の固定を援助する医療装置 Download PDFInfo
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- JP6533273B2 JP6533273B2 JP2017225541A JP2017225541A JP6533273B2 JP 6533273 B2 JP6533273 B2 JP 6533273B2 JP 2017225541 A JP2017225541 A JP 2017225541A JP 2017225541 A JP2017225541 A JP 2017225541A JP 6533273 B2 JP6533273 B2 JP 6533273B2
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Landscapes
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Description
好ましい構造は、本願明細書において実施例のいずれかに従って、半径調整装置と結合されることである。様々な弾力は様々な弾力をつくっている異なる技術を使用して成し遂げられてもよい、そして、本発明は本願明細書において開示される実施例に限られていてはならない。様々な弾力と同様に類似の結果はバネ・サスペンションを含んでいるいかなる種類ものサスペンションによって成し遂げられてもよい、そして、構造は同じ結果を成し遂げて屈曲可能でもよいか可撓性でもよい。
医療装置は、全体として横部材の延長に沿った4つの表層から、横部材は、大腿骨の骨の末端部分の少なくとも3枚の層の皮質骨で配置される、横部材から成る。
横部材は人工膝関節または人工十字型の靭帯に関係していてもよく、横部材は大腿骨の皮質骨の少なくとも4枚の層のうちの少なくとも1枚に横部材の固定に関与する少なくとも一つの固定部から成ってもよい。横部材を形成することによって、大腿骨の骨に対し、安定して固定される。
、十字型の靭帯の異なる位置に適応するために内側関節丘の間に配置されるために構成される。
マリーブその他、Human Anatomy、2003、ベンジャミン・カミングズ、サンフランシスコ、ページ195−202、そして、ムーアその他、Clinically oriented anatomy,1999、リッピンコット、ウィリアムス及びウィルキンズ、ボルチモア、ページ501−653、であり、両者ともここに参照される。
接触表面または全ての医療装置で、例えばジルコニウムまたは二酸化ジルコニウム・セラミックまたはアルミナ・セラミックといったセラミック材料の使用は、考えられもする。人間の骨に対する医療装置の固定のための人間の骨と接触する医療装置の部分は、救貧院構造から成ってもよく、それは、医療装置を固定させるための医療装置の人間の骨の成長を促進するのに適している多孔性マイクロまたはナノ構造であってもよい。多孔質構造体は、ヒドロキシアパタイト(HA)層または粗い有孔のチタン層を塗布することによって提供されてもよく、それが、空気プラズマ噴霧、粗い開いた有孔のチタン・コーティングから成る組合せおよび表層が考えられてまた、あるHAによってできてもよい。
関節形成面は、例えば蝋様変性のポリマーなど、もともと滑らかな素材でできていてもよいし、例えば、潤滑油を吹き込まれた、PTFE、PFA、FEP、PEおよびUHMWPE、または粉末冶金材料でもよく、潤滑油は、例えばヒアルロン酸派生物など生物学的適合性の潤滑油が好ましい。本願明細書において医療装置の接触部分または表層の材料が常に、または、断続的に潤滑剤を塗られるのに適していることは、考えらる。ある実施例によれば、医療装置の部分または部品は、金属材および/または炭素繊維および/またはホウ素の組合せ、金属およびプラスチック材料の組合せ、金属およびカーボンを主成分とする材料の組合せ、カーボンおよびプラスチックを主成分とする材料の組合せ、可撓性のものと固い材料の組合せ、弾性のものとあまり弾力的でない材料の組合せ、コリアンまたはアクリル系ポリマから形成されてもよい。
図3aに示される脛骨固定デバイスに、人工膝関節の少なくとも1部をつくっている人工膝関節面204bが設けられている。しかしながら、他の実施例では、脛骨固定デバイス201が、少なくとも一つの人工膝関節面のサポートとして、または、少なくとも一つの人工膝関節十字型の靭帯のサポートとして用いられてもよい、
Claims (15)
- 哺乳類患者の人工膝関節面の固定を援助する医療装置であって、
前記哺乳類患者の膝関節面を少なくとも一部置換するのに適している少なくとも第1の人工膝関節面と、
全体として横部材の延長に沿った4つの表層から、大腿骨の末端部分の皮質骨の少なくとも3つの層を通して配置されるのに適している横部材と、
を備え、
前記人工膝関節面は、前記人工膝関節面と反対側の方向に延びている固定部材を備え、前記固定部材は、前記固定部材が前記大腿骨の第1の関節丘の海綿質骨に位置決めされた場合に、前記横部材を前記固定部材を通して配置して、前記人工膝関節面を固定できるように、前記大腿骨の前記第1の関節丘の前記海綿質骨に入るように適合され、
前記横部材は、前記横部材の固定に関与されるように適合された少なくとも一つの固定部を備える医療装置。 - 前記人工膝関節面と反対側の方向に延びている固定部材を備える第2の人工膝関節面をさらに備え、前記固定部材は、前記固定部材が前記大腿骨の第2の関節丘の海綿質骨に位置決めされた場合に、前記横部材を前記固定部材を通して配置して前記第2の人工膝関節面を固定できるように、前記第2の関節丘の前記海綿質骨に配置されるように適合される、請求項1に記載の医療装置。
- 前記横部材の前記固定部は、前記皮質骨の前記4つの表層のうちの少なくとも一つへの前記横部材の固定に関与されるように適合される、請求項1または請求項2のいずれかひとつに記載の医療装置。
- 前記横部材は、全体として前記横部材の前記延長に沿った4つの表層から、前記大腿骨の前記末端部分の皮質骨の少なくとも4つの層を通して配置されるように適合される、請求項1〜2のいずれかひとつに記載の医療装置。
- 前記横部材の前記固定部は、前記大腿骨の前記末端部分の皮質骨の前記4つの層を通した穴への前記横部材の固定に関与されるように適合される、請求項4に記載の医療装置。
- 前記固定部は、第1の固定部および第2の固定部を備え、
前記第2の固定部は、前記皮質骨の4つの層を通した前記穴への前記横部材の固定に関与されるように適合される、請求項5に記載の医療装置。 - 前記第1の固定部は、ナットに取り付けられるように適合されたねじ部を備える、請求項6に記載の医療装置。
- 前記第2の固定部は、固定された停止部を備える、請求項6または7に記載の医療装置。
- 前記第1の固定部および第2の固定部は、前記横部材の遠位端に配置される、請求項6〜8のいずれかひとつに記載の医療装置。
- 脛骨の皮質骨を通じて、膝関節に対して遠位側の領域における前記脛骨の骨髄に導入されるように適合された脛骨固定デバイス、および
前記大腿骨の皮質骨を通じて、前記膝関節に対して近位側の領域における前記大腿骨の骨髄に導入されるように適合された大腿骨固定デバイス、
のうちの少なくとも一方を備える骨固定デバイスをさらに備え、
前記骨固定デバイスは、前記膝関節の内部における前記皮質骨を介して前記骨髄から出るようにさらに適合される、請求項1〜9のいずれかひとつに記載の医療装置。 - 前記横部材はさらに、人工膝蓋骨を固定するように適合される、請求項1〜10のいずれかひとつに記載の医療装置。
- 前記横部材は、
a)前記大腿骨の前記末端部分の第1の関節丘の皮質骨の第1の層を介して配置されるように、
b)前記第1の関節丘の前記海綿質骨に配置された前記固定部材を介して配置されるように、
c)前記第1の関節丘の皮質骨の第2の層を介して配置されるように、
d)前記大腿骨の前記末端部分の第2の関節丘の皮質骨の第1の層を介して配置されるように、
e)前記第2の関節丘の前記海綿質骨に配置された前記固定部材を介して配置されるように、
f)前記第2の関節丘の皮質骨の第2の層を介して配置されるように、または、第2の層に固定されるように適合される、請求項2〜11のいずれかひとつに記載の医療装置。 - 前記医療装置は、第1の十字型の靭帯端で前記横部材に固定されるように適合された少なくとも一つの人工十字型の靭帯をさらに備える、請求項1〜12のいずれかひとつに記載の医療装置。
- 前記第1の十字型の靭帯端の対向端部に配置された第2の人工靭帯端は、インプラントされるときに、脛骨の骨チャネルを通して取り付けられるように適合され、前記骨チャネルの内側で、または前記骨チャネルの外側に移動した後に、前記脛骨に固定されるように適合される、請求項13に記載の医療装置。
- 前記医療装置は、前記横部材の同じ位置または異なる位置の少なくとも一方で前記横部材に固定されるように適合された、前方十字型靭帯一つおよび後方十字型靭帯一つの、2つの人工十字型の靭帯をさらに備える、請求項1〜14のいずれかひとつに記載の医療装置。
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JP6823107B2 (ja) | 2021-01-27 |
US20190298534A1 (en) | 2019-10-03 |
US10251754B2 (en) | 2019-04-09 |
WO2012093961A1 (en) | 2012-07-12 |
JP6256833B2 (ja) | 2018-01-10 |
JP7444950B2 (ja) | 2024-03-06 |
JP2019150657A (ja) | 2019-09-12 |
EP2661241A4 (en) | 2014-07-30 |
JP2021053481A (ja) | 2021-04-08 |
EP2661241A1 (en) | 2013-11-13 |
JP2018027396A (ja) | 2018-02-22 |
JP2014509214A (ja) | 2014-04-17 |
JP2024045715A (ja) | 2024-04-02 |
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