JP2016512110A - 椎体間の独立型椎間インプラント - Google Patents
椎体間の独立型椎間インプラント Download PDFInfo
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- Health & Medical Sciences (AREA)
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- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
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- Public Health (AREA)
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Abstract
Description
Claims (20)
- 隣接する椎骨間の椎間腔における移植のための椎間インプラントであって、
実質的にU字形状の本体、上面、下面、第1の端部、及び第2の端部を有するスペーサーであって、前記下面及び前記上面のそれぞれが、隣接する椎骨と係合するように構成される接触域を有する、スペーサーと、
プレートであって、上側面、下側面、第1の端部、第2の端部、及び締結具を受容するための前記プレートを横切る少なくとも1つの穴を有する、プレートと、を備え、
前記プレートが、前記スペーサーの前記第1の端部が前記プレートの前記第1の端部と係合し、前記スペーサーの前記第2の端部が前記プレートの前記第2の端部と係合するように、前記スペーサーに連結し、前記インプラントが、正中面が前記スペーサー及び前記プレートを2つの非対称の半割部に分割するように、非対称である、前記インプラント。 - 前記インプラントが、斜面が前記スペーサー及び前記プレートを2つの非対称の半割部に分割するように、非対称である、請求項1に記載の前記インプラント。
- 前記プレートが、前記プレートの前記第1の端部が前記プレートの前記第2の端部を越えてある距離分延在する前記斜面に沿って、非対称である、請求項2に記載の前記インプラント。
- 前記スペーサーが、前記スペーサーの前記第2の端部が前記スペーサーの前記第1の端部を越えてある距離分延在する前記斜面に沿って、非対称である、請求項2に記載の前記インプラント。
- 前記スペーサーが、先導テーパが前記斜面と交差するように非対称に位置付けられる前記先導テーパを備える、請求項2に記載の前記インプラント。
- 前記プレートが、非対称の曲線状本体を有する、請求項1に記載の前記インプラント。
- 前記インプラントが、前記椎間腔への斜方または前側方進入を可能にするように成形かつ構成される、請求項1に記載の前記インプラント。
- 前記プレートの前記第1及び第2の端部、ならびに前記スペーサーの前記第1及び第2の端部がそれぞれ、第1及び第2の突起部を備え、その間に陥凹部が画定され、前記プレートまたは前記スペーサーの前記第1及び第2の突起部のうちの少なくとも1つが、前記プレートまたは前記スペーサーの前記対応する陥凹部内に噛合って受容される、請求項1に記載の前記インプラント。
- 前記スペーサーの前記第1の突起部が、前記プレートの前記第1の突起部の傾斜した下側面に対応する傾斜した上側面を備える、請求項8に記載の前記インプラント。
- 前記プレートの前記第2の突起部が、前記スペーサーの前記陥凹部内で摩擦嵌合される、請求項1に記載の前記インプラント。
- 前記プレートが、前記上側または下側面を過ぎて突起する少なくとも1つのアイブロー部を備える前側面を有し、締結具を受容するための前記少なくとも1つの穴が、水平面に対して発散角度で前記前側面を横切る、請求項1に記載の前記インプラント。
- 前記スペーサー及び前記プレートが、前記スペーサーの前記上面から前記下面に延在し、骨移植片材料を受け取るように構成される開放移植片域を画定する、請求項1に記載の前記インプラント。
- 前記スペーサーが、前記隣接する椎骨と係合するための前記上面及び下面の前記接触域上の複数の突起部を含む、請求項1に記載の前記インプラント。
- 前記少なくとも1つの穴からの少なくとも1つの締結具の後退を阻止するための前記プレート上に配置される係止機構を更に備える、請求項1に記載の前記インプラント。
- 前記プレートが、生体適合性金属を含む、請求項1に記載の前記インプラント。
- 前記スペーサーが、生体適合性プラスチックを含む、請求項1に記載の前記インプラント。
- 少なくとも1つの椎骨の少なくとも1つの一部及び隣接する椎骨間の椎間腔における移植のための多段階椎体切除術用インプラントであって、
上面、下面、第1の側面、第2の側面、前面、及び後面を有するスペーサーであって、前記第1及び第2の側面のそれぞれが、椎体切除術によって曝露される前記椎骨の一部と係合するように構成される少なくとも1つの接触域を有し、前記スペーサーが、少なくとも2つの隣接する椎骨間に延在するように構成される、スペーサーと、
前記スペーサーの前記前面の一部に連結する少なくとも1つのプレートであって、前記少なくとも1つのプレートが、前側面と、前記少なくとも1つのプレートを少なくとも2つの隣接する椎骨のうちの1つに固定する締結具を受容するための、前記前側面を通って横切る少なくとも1つの穴とを有する、プレートと、を備え、
前記スペーサーが、斜方または前側方進入を可能にするように成形かつ構成される、前記インプラント。 - 前記スペーサーが、可塑性エラストマーを含む、請求項17に記載の前記インプラント。
- 前記スペーサーが、生体適合性プラスチックを含む第1のケージ、生体適合性プラスチックを含む第2のケージ、及び前記第1及び第2のケージ間に挟まれた可塑性エラストマーを含む多構成要素本体を備える、請求項17に記載の前記インプラント。
- 前記第1のケージ及び前記第2のケージの前記第1及び第2の側面のそれぞれが、前記椎体切除術によって曝露される前記椎骨の前記一部と係合するように構成される少なくとも1つの接触域を有し、前記第1及び第2のケージのそれぞれが、前記第1の側面から前記第2の側面に延在する開放移植片域を画定する、請求項19に記載の前記インプラント。
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US20220151802A1 (en) | 2022-05-19 |
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