JP2017221652A - 拡張可能な椎骨インプラント - Google Patents
拡張可能な椎骨インプラント Download PDFInfo
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Abstract
Description
Claims (20)
- 椎骨間の係合のための拡張可能な補綴インプラントであって、
第1の端部、第2の端部、複数の延在部、及び前記第1の端部から前記第2の端部まで延在する中空の内部を有する第1の部材であって、前記複数の延在部が、前記第1の端部から前記第2の端部まで延在する、第1の部材と、
第1の端部、第2の端部、前記第1の端部から前記第2の端部まで延在する中空の内部、及び前記第2の端部から前記第1の端部まで延在する複数の延在部を有する第2の部材であって、前記第1の部材の前記複数の延在部が、前記第1の部材と同軸状に交互嵌合するように構成され、前記第2の部材の前記複数の延在部が、前記第1の部材と同軸状に交互嵌合するように構成され、前記第1の部材が、前記第2の部材に対して長手方向軸に沿って移動可能である、第2の部材と、
前記第1の部材及び前記第2の部材と同軸状に位置付けられ、かつ前記第2の部材に軸方向に固定される環と、
前記第2の部材に連結され、前記第1の部材を前記第2の部材に係止するために前記環に動作的に連結される作動装置と、を備え、
前記第1の部材の前記複数の延在部のうちの少なくとも1つが、前記環の内表面上に構成された前記対応する係合要素と連結するための係合特徴を含み、
前記環が、前記作動装置の回転によって第1の位置から第2の位置まで回転されるように構成され、
前記第1の位置において、前記第1の部材が、前記第2の部材に対して自由に移動可能であり、第2の位置において、前記第1の部材が、前記第2の部材に対して所定の位置に係止される、拡張可能な補綴インプラント。 - 前記第1の部材及び前記第2の部材が、第1及び第2のエンドプレートに連結するための複数の離間配置されたエンドプレート係合特徴を有する表面を含む、請求項1に記載のインプラント。
- 前記第2の部材が、第1のピン及び第2のピンを受容するための第1の開口部及び第2の開口部を含み、前記第1及び第2のピンが、前記環を前記第2の部材に連結するように構成される、請求項1に記載のインプラント。
- 前記環が、内表面及び外表面を含み、前記内表面が、前記第1の部材の前記複数の延在部のうちの少なくとも1つの前記係合特徴と係合するための離間配置された係合部分を更に含む、請求項1に記載のインプラント。
- 前記環が、前記環の前記外表面の外辺部上に延在し、第1または第2のピンを受容するように構成されたスロットを含む、請求項3に記載のインプラント。
- 前記環が、前記第1の位置及び前記第2の位置を視覚的に測るためのマーキングを含む、請求項1に記載のインプラント。
- 前記作動装置が、前記第2の部材の前記複数の延在部のうちの1つの内部に位置付けられる、請求項1に記載のインプラント。
- 前記第2の部材の前記複数の延在部が、前記環を受容するように構成される出張りを含む外表面を有する、請求項1に記載のインプラント。
- 椎骨間の係合のための拡張可能な補綴インプラントであって、
第1の端部、第2の端部、複数の延在部、及び前記第1の端部から前記第2の端部まで延在する中空の内部を有する第1の部材であって、前記複数の延在部が、前記第1の端部から前記第2の端部まで延在する、第1の部材と、
第1の端部、第2の端部、前記第1の端部から前記第2の端部まで延在する中空の内部、及び前記第2の端部から前記第1の端部まで延在する複数の延在部を有する第2の部材であって、前記第1の部材の前記複数の延在部が、前記第1の部材と同軸状に交互嵌合するように構成され、前記第2の部材の前記複数の延在部が、前記第1の部材と同軸状に交互嵌合するように構成され、前記第1の部材が、前記第2の部材に対して長手方向軸に沿って移動可能である、第2の部材と、
前記第2の部材の前記複数の延在部のうちの1つに連結される作動装置と、を備え、
前記第1の部材の前記複数の延在部のうちの少なくとも1つが、前記第2の部材の前記複数の延在部のうちの前記1つの側面上に構成された前記対応する係合要素と連結するための係合特徴を含み、
前記作動装置が第1の位置から第2の位置まで回転されるとき、前記複数の延在部のうちの前記1つが屈曲し、これによって、前記第1の部材の前記係合特徴が、前記第2の部材の前記複数の延在部のうちの前記1つの前記係合要素と係合し、それによって、前記第1の部材を前記第2の部材に対して係止し、
前記第1の位置において、前記第1の部材が、前記第2の部材に対して自由に移動可能であり、第2の位置において、前記第1の部材が、前記第2の部材に対して所定の位置に係止される、拡張可能な補綴インプラント。 - 前記作動装置が、前記第2の部材の前記複数の延在部のうちの1つの内部に位置付けられる、請求項9に記載のインプラント。
- 前記第2の部材の前記複数の延在部のうちの前記1つが、前記作動装置を受容するためのハウジングを含む、請求項9に記載のインプラント。
- 前記複数の延在部のうちの前記1つが、前記ハウジングから前記第2の部材の前記第2の端部まで延在するスロットを含む、請求項11に記載のインプラント。
- 前記複数の延在部のうちの前記1つが、屈曲するように構成される、請求項9に記載のインプラント。
- 前記係合特徴及び係合要素が、非螺旋状ねじ山、タブ、歯、及び突出部のうちの1つである、請求項9に記載のインプラント。
- 前記第1の部材を前記第2の部材に対して移動させるために器具が用いられる、請求項9に記載のインプラント。
- 前記第1の部材及び前記第2の部材が、第1及び第2のエンドプレートと係合するためのエンドプレート係合特徴を含む、請求項9に記載のインプラント。
- 椎骨間の係合のための拡張可能な補綴インプラントであって、
第1の端部、第2の端部、複数の延在部、及び前記第1の端部から前記第2の端部まで延在する中空の内部を有する第1の部材であって、前記複数の延在部が、前記第1の端部から前記第2の端部まで延在する、第1の部材と、
第1の端部、第2の端部、前記第1の端部から前記第2の端部まで延在する中空の内部、及び前記第2の端部から前記第1の端部まで延在する複数の延在部を有する第2の部材であって、前記第1の部材の前記複数の延在部が、前記第1の部材と同軸状に交互嵌合するように構成され、前記第2の部材の前記複数の延在部が、前記第1の部材と同軸状に交互嵌合するように構成され、前記第1の部材が、前記第2の部材に対して長手方向軸に沿って移動可能である、第2の部材と、
複数のスロットを有し、圧縮可能であるように構成されたエンドプレートと、を備え、
前記エンドプレートが、椎体と係合するための上面と、前記第1または第2の部材のエンドプレート係合特徴と係合する係合要素を有する延在部分とを含む、拡張可能な補綴インプラント。 - 前記エンドプレートが、前記係合要素を更に含み、リムである、請求項17に記載のインプラント。
- 前記係合要素が、前記エンドプレートの底面上に離間配置された複数の接続要素である、請求項17に記載のインプラント。
- 前記エンドプレートを位置付けるために器具が用いられる、請求項17に記載のインプラント。
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