JP7150734B2 - 内部関節安定装置 - Google Patents
内部関節安定装置 Download PDFInfo
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- JP7150734B2 JP7150734B2 JP2019540529A JP2019540529A JP7150734B2 JP 7150734 B2 JP7150734 B2 JP 7150734B2 JP 2019540529 A JP2019540529 A JP 2019540529A JP 2019540529 A JP2019540529 A JP 2019540529A JP 7150734 B2 JP7150734 B2 JP 7150734B2
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Description
必要に応じて、金属製の内部関節安定装置は、損傷した組織の治癒を可能にするのに十分な期間の経過後、外科的に除去することができる。代替実施形態では、安定装置の全部または一部、または少なくともそのアクスル部分は、生体吸収性材料、すなわちポリ乳酸から作製され、したがって内部関節安定装置の一部または全部を外科的に除去する必要性が減少する。
Claims (16)
- 第1の骨と第2の骨との間で関節を安定化させるための内部関節安定装置であって、関節が自然の回転軸を有しており、内部関節安定装置が、
締結具によって前記第1の骨に取り付けられる取り付け部分と、
第1の安定化部分であって、
前記関節の自然の回転軸と整列した状態で該関節の第2の骨に挿入されるように構成された第1のアクスル、および
前記第1のアクスルと前記取り付け部分との間に配置された第1の首部であって、前記第1のアクスルの位置が第1の首部に対して調整可能である、第1の首部、
を含む第1の安定化部分と、
第2の安定化部分であって、
前記関節の自然の回転軸と整列した状態で該関節の第2の骨に挿入されるように構成され、かつ、前記第1のアクスルと協働するようにさらに構成された第2のアクスル、および
前記第2のアクスルと前記取り付け部分との間に配置された第2の首部であって、前記第2のアクスルの位置が第2の首部に対して調整可能である、第2の首部、
を含む第2の安定化部分と、を含み、
前記第1のアクスルおよび第2のアクスルが、これらアクスルの周りの前記関節の第2の骨の自由な回転を許容するように構成される、
内部関節安定装置。 - 前記第1の首部および前記第1のアクスルがロック可能な旋回継手によって接続される、請求項1に記載の内部関節安定装置。
- 前記第1のアクスルおよび前記第2のアクスルが、一体の軸を形成するために互いに結合するように構成される、請求項1に記載の内部関節安定装置。
- 前記第1のアクスルが管状であり、前記第2のアクスルが前記第1のアクスル内に受け入れられるように寸法が設定された部分を含む、請求項3に記載の内部関節安定装置。
- 前記取り付け部分が締結具で前記第1の骨に取り付け可能なプレートを含み、前記プレートが第1および第2の取り付け点を有する、請求項1に記載の内部関節安定装置。
- 前記アクスルおよび前記首部の少なくとも一方が前記プレートに対して調整可能である、請求項5に記載の内部関節安定装置。
- 前記第1の安定化部分が前記第1の取り付け点に取り付けられ、前記第2の安定化部分が前記第1の安定化部分に対して鏡映的な構成で前記第2の取り付け点に取り付けられる、請求項5に記載の内部関節安定装置。
- 前記第1の首部が第1の取り付け要素を介して前記第1の取り付け点に取り付けられ、前記第2の首部が第2の取り付け要素を介して前記第2の取り付け点に取り付けられる、請求項5に記載の内部関節安定装置。
- 前記第1および第2の首部が前記第1および第2の取り付け要素内で回転可能であり、かつ、前記第1および第2の取り付け要素に対して直線的に移動可能である、請求項8に記載の内部関節安定装置。
- 前記第1および第2の取り付け要素がそれぞれ、前記プレートに対して前記首部を取り付けるためのタレット装置を含む、請求項8に記載の内部関節安定装置。
- 前記第1および第2のタレット装置のそれぞれが、前記プレートに対して回転移動可能なタレット部分を含む、請求項10に記載の内部関節安定装置。
- 前記第1の取り付け点が前記プレートに接続された第1のバーを含み、前記第1の取り付け要素が前記第1のバーの周りに回動可能に取り付けられ、
前記第2の取り付け点が前記プレートに接続された第2のバーを含み、前記第2の取り付け要素が前記第2のバーの周りに回動可能に取り付けられる、請求項8に記載の内部関節安定装置。 - 前記取り付け要素のそれぞれがそれぞれのバーに沿ってさらに移動可能である、請求項12に記載の内部関節安定装置。
- 前記第1の取り付け要素が前記プレートに対して前記第1の首部を保持するための第1のタレット装置を含み、
前記第2の取り付け要素が前記プレートに対して前記第2の首部を保持するための第2のタレット装置を含む、請求項12に記載の内部関節安定装置。 - 前記第1のタレット装置および前記第2のタレット装置のそれぞれが各取り付け要素の基部に対して回転可能であり、前記基部は各バーに対して回動可能に取り付けられる、請求項14に記載の内部関節安定装置。
- 前記第2のアクスルが、前記第1のアクスルにどれだけ挿入されているかを医師に視覚的に示すためのマーキングを含んでいる、請求項4に記載の内部関節安定装置。
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