JP5591912B2 - 弓状固定部材 - Google Patents
弓状固定部材 Download PDFInfo
- Publication number
- JP5591912B2 JP5591912B2 JP2012506222A JP2012506222A JP5591912B2 JP 5591912 B2 JP5591912 B2 JP 5591912B2 JP 2012506222 A JP2012506222 A JP 2012506222A JP 2012506222 A JP2012506222 A JP 2012506222A JP 5591912 B2 JP5591912 B2 JP 5591912B2
- Authority
- JP
- Japan
- Prior art keywords
- curved
- fixation
- proximal end
- intervertebral implant
- bone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Description
本出願は、本明細書においてその全内容が引用により組み込まれている2009年4月15日出願の米国特許仮出願第61/169,461号明細書に対する優先権を請求する。
108 椎間インプラント
116 固定プレート
Claims (52)
- 椎体に挿入するように構成された骨固定部材であって、
中心軸線に沿って延び、近位端及び該近位端と反対側の遠位端を形成し、該遠位端に先端及び該近位端にタブを有する本体であって、該先端が、骨に切り込むように構成され、該タブが、それを通って延びる開口を有し、該開口が、アンカーを受け取るように構成された本体と、
前記近位端及び遠位端間に延びる湾曲中間部分と、
前記先端を前記骨内に付勢する力を印加する駆動器具の少なくとも1つの相補的係合特徴部と係合するように構成されて前記本体上に形成された少なくとも1つの係合部材と、 を含み、
前記タブは、前記本体の前記近位端において前記中心軸線に対して実質的に垂直である上部タブ面を形成する、
骨固定部材。 - 前記開口の内面が、そこに形成されて椎弓根スクリューのネジ山と嵌合するように構成された複数のネジ山を含む請求項1に記載の骨固定部材。
- 前記開口の内面が、そこに形成されて椎弓根スクリューの相補的ロッキング特徴部と解除可能に係合するように構成されたロッキング特徴部を含む請求項1に記載の骨固定部材。
- 前記湾曲中間部分は、そこに形成されて前記近位端及び遠位端間の前記中心軸線に沿って延びる溝を含む請求項1に記載の骨固定部材。
- 前記湾曲中間部分は、前記近位端及び前記遠位端間でテーパ付きである請求項1に記載の骨固定部材。
- 前記中心軸線は、前記中間部分で湾曲しており、かつ一定の曲率半径を示す請求項1に記載の骨固定部材。
- 前記中心軸線は、前記中間部分で湾曲しており、かつ様々な曲率半径を示す請求項1に記載の骨固定部材。
- 前記湾曲中間部分は、第1の縁部及び該第1の縁部と反対側の第2の縁部を形成し、該第1及び第2の縁部は、前記骨に切り込むように構成される請求項1に記載の骨固定部材。
- 近位端と、該近位端と反対側の遠位端と、該近位端及び遠位端間に延びる湾曲中間部分とを形成する本体を含む骨固定部材であって、該本体が、該遠位端に先端及び該近位端にタブを含み、該先端が、椎体に切り込むように構成され、該タブが、それを通って延びる開口と該開口内に延びるネジ山とを形成する骨固定部材と、
ヘッドと、該ヘッドの反対側の先端と、該先端と該ヘッドの間に延びるシャフトとを含む骨アンカーであって、該シャフトが、下にある構造体に取り付けられるように構成され、該シャフトが、更に、該シャフトのネジ山が前記開口において前記タブの前記ネジ山と嵌合するように、該タブの該ネジ山付き開口に挿入されるように構成された骨アンカーと、
を含む椎弓根固定アセンブリ。 - 前記シャフトの前記ネジ山が第1の複数のネジ山を有し、さらに、前記シャフトは、前記骨アンカーが組立構成において前記開口内に着座された時に該開口の前記内面内に形成された相補的ロッキング特徴部と解除可能に係合するように構成されて前記第1の複数のネジ山と前記ヘッドの間の該シャフトの第2の部分に沿って形成されたロッキング特徴部を更に含む請求項9に記載の椎弓根固定アセンブリ。
- 前記シャフトの前記ネジ山は、第1の複数のネジ山を形成し、前記ロッキング特徴部は、前記開口の前記内面内に形成された相補的ネジ山と解除可能に係合するように構成されて前記第2の部分に沿って形成された第2の複数のネジ山を含む請求項10に記載の椎弓根固定アセンブリ。
- 前記ヘッドは、そこに形成されて固定ロッドを受け取るように構成されたスロットを含む請求項9に記載の椎弓根固定アセンブリ。
- 前記本体は、前記先端を前記椎体内に付勢する力を印加する駆動器具の少なくとも1つの相補的係合特徴部と係合するように構成された少なくとも1つの係合部材を更に含む請求項9に記載の椎弓根固定アセンブリ。
- 前記下に重なる構造体は、骨である請求項9に記載の椎弓根固定アセンブリ。
- 近位端と、該近位端と反対側の遠位端と、該近位端及び遠位端間に延びる湾曲中間部分とを形成する本体を含む骨固定部材であって、該本体が、該遠位端に先端を含み、該先端が、椎体に切り込むように構成された骨固定部材と、
前記椎体内に係止されるように構成された外面を含む案内部材であって、該案内部材が、そこに形成されて前記骨固定部材を受け取るように構成されたた湾曲案内ボアを有する案内部材と、
を含む椎弓根固定アセンブリ。 - 前記骨固定部材は、前記近位端にヘッドを更に含み、該ヘッドは、そこに形成されて固定ロッドを受け取るように構成されたスロットを含む請求項15に記載の椎弓根固定アセンブリ。
- 前記本体は、前記先端を前記椎体内に付勢する力を印加する駆動器具の少なくとも1つの相補的係合特徴部と係合するように構成された少なくとも1つの係合部材を更に含む請求項15に記載の椎弓根固定アセンブリ。
- 前記湾曲中間部分は、前記近位端及び遠位端間にそこに形成された溝を含み、前記湾曲案内ボアは、前記溝と摺動可能に嵌合可能であるように構成される請求項15に記載の椎弓根固定アセンブリ。
- 前記外面は、ネジ山付きである請求項15に記載の椎弓根固定アセンブリ。
- 前記湾曲部材の前記湾曲案内ボアは、それを貫通して形成される請求項15に記載の骨固定アセンブリ。
- 第1の骨係合面と、対向する第2の骨係合面と、後端部と、後端部から長手方向に沿って離間された前端部と、長手方向とほぼ垂直である横方向に沿って互いに離れるように離間される対向する側部であって、この側部は前記第1の骨係合面と前記第2の骨係合面との間に延びる、側部と、を形成するインプラント本体と、
前記インプラント本体に解除可能に取り付けられた固定プレートであって、前記固定プレートは、後面と、前記後面から長手方向に沿って離間された前面と、前記前面から長手方向に沿って離れるように延びる第1及び第2の側部アームとを形成し、前記第1及び第2の側部アームの各々は、前記インプラント本体に取付けられた終端を形成し、
前記固定プレートが、前端部と、後端部と、前端部から後端部に向かって延びる湾曲されている開口の軸線とを有する少なくとも1つの湾曲されている開口を形成する固定プレートと、
湾曲された中心軸線に沿って延ばされ、且つ前記少なくとも1つの湾曲されている開口内に受け取られるように構成された少なくとも1つの湾曲固定部材であって、前記少なくとも1つの湾曲固定部材は、近位端及び前記近位端から湾曲された中心軸線に沿って離間された遠位端を有し、該遠位端が、椎体に切り込むように構成された先端を含み、該少なくとも1つの湾曲固定部材が、該先端を該少なくとも1つの湾曲されている開口を通して該椎体内に押し込むことができるように、該少なくとも1つの湾曲されている開口よりも大きい長さを有する少なくとも1つの湾曲固定部材と、
を含む椎間インプラント。 - 前記固定プレートは、上面、下面、及び前面によって形成されて入れ子式の係合で前記インプラント本体の前記少なくとも一部分を受け取るように構成されたインプラント受け台を含む請求項21に記載の椎間インプラント。
- 前記固定プレートは、前記前面から離れて延びて前記インプラント本体を解除可能に把持するように構成された第1及び第2の側部アームを更に含む請求項22に記載の椎間インプラント。
- 前記前面は、そこに形成された凹状窪みを有し、前記少なくとも1つの湾曲されている開口は、該凹状窪み内に形成され、該凹状窪みは、遮断プレートと嵌合可能に係合するように構成される請求項22に記載の椎間インプラント。
- 前記固定プレートは、そこに形成されて送出器具と解除可能に係合するように構成された少なくとも1つの開口を有する請求項21に記載の椎間インプラント。
- 前記第1の骨係合面又は前記第2の骨係合面のうちの少なくとも一方には、複数の把持構造体が形成され、該把持構造体は、前記インプラント本体が椎間腔に挿入された時に隣接する椎体と係合するように構成される請求項21に記載の椎間インプラント。
- 前記インプラント本体には、少なくとも1つの湾曲溝が形成され、該少なくとも1つの湾曲溝は、前記椎間インプラントが組立構成にある時に前記少なくとも1つの湾曲された固定部材を受け取るように構成される請求項21に記載の椎間インプラント。
- 前記少なくとも1つの湾曲固定部材の前記近位端は、前記椎間インプラントが組立構成にある時に前記少なくとも1つの湾曲されている開口内に形成された相補的ロッキング特徴部内にロック可能に係合するように構成されたロッキング特徴部を含む請求項21に記載の椎間インプラント。
- 前記固定プレートの少なくとも1つの湾曲されている開口は、複数の湾曲されている開口である請求項21に記載の椎間インプラント。
- 前記複数の湾曲されている開口は、前記固定プレートを通して形成された中心ボアの周りに配置される請求項29に記載の椎間インプラント。
- 前記複数の湾曲されている開口は、前記中心ボアの周りの対向する四象限に配置され、2つの湾曲されている開口は、2つの頭側挿入軌道を形成するように、固定プレートの上側の近くに位置決めされ、2つの湾曲されている開口は、前記固定プレートの下側の近くに位置決めされ、2つの頭側挿入軌道を形成する請求項30に記載の椎間インプラント。
- 前記複数の湾曲されている開口は、前記中心ボアとは別に形成される請求項31に記載の椎間インプラント。
- 近位端と、該近位端と反対側の遠位端と、少なくとも1つの係合部材とを形成する本体を含む湾曲固定部材であって、該本体が、椎体に切り込むように構成された先端を該遠位端に含む湾曲固定部材と、
第1の近位端と、該第1の近位端と反対側の第1の遠位端と、前記湾曲固定部材を受け取るように構成されたキーとを有するカニューレ式案内シャフト、
前記第1の近位端を超えて延びる第2の近位端と、該第2の近位端と反対側の第2の遠位端と、該第2の遠位端に固定された前記少なくとも1つの係合部材と解除可能に係合するように構成された少なくとも1つの相補的係合特徴部とを含み、前記案内シャフト内に受け取られるように構成されたシャフト、及び、
前記第2の近位端に固定されて前記先端を前記椎体内に付勢する力を与えるように構成されたアクチュエータ、
を含む送出器具と、
を含む脊椎固定システム。 - 前記少なくとも1つの係合部材は、第1の複数のネジ山を含み、
前記少なくとも1つの相補的係合特徴部は、第2の複数のネジ山を含む、
請求項33に記載の脊椎固定システム。 - 前記第1の複数のネジ山及び前記第2の複数のネジ山は、回転運動が前記アクチュエータに加えられる時に前記湾曲固定部材を前記椎体内に前進させるように構成される請求項34に記載の脊椎固定システム。
- 前記第1の複数のネジ山及び前記第2の複数のネジ山は、回転運動が前記アクチュエータに加えられる時に前記案内シャフトから前記シャフトを回収するように構成される請求項34に記載の脊椎固定システム。
- 前記第1の遠位端は、そこに形成されて前記椎体の外面と係合するように構成された係合特徴部を有する請求項33に記載の脊椎固定システム。
- 第1の骨係合面と、対向する第2の骨係合面と、後端部と、前記後端部から長手方向に沿って離間された前端部と、長手方向とほぼ垂直である横方向に沿って互いに離れるように離間される対向する側部とを形成し、前記対向する側部は前記第1の骨係合面と前記第2の骨係合面との間に延び、該骨係合面が、該インプラント本体が椎間腔に挿入される時に隣接する椎体と係合するように構成されている、インプラント本体と、
前記インプラント本体に解除可能に取り付けられた固定プレートであって、前記固定プレートは、後面と、前記後面から長手方向に沿って離間された前面と、前記前面から長手方向に沿って離れるように延びる第1及び第2の側部アームとを形成し、前記第1及び第2の側部アームの各々は、前記インプラント本体に取付けられた終端を形成し、前記固定プレートが、複数の湾曲されている開口を形成し、複数の湾曲されている開口の各々は、前端部と、後端部と、前端部から後端部に向かって延びる湾曲されている開口の軸線とを有する固定プレートと、
前記複数の開口のそれぞれの開口内に受け取られるように構成された複数の湾曲固定部材であって、複数の湾曲固定部材の各々が、近位端及び該近位端と反対側の遠位端を有し、該遠位端が、椎体に切り込むように構成された先端を含み、該複数の湾曲固定部材の各々が、該先端をそれぞれの開口を通して該椎体内に押し込むことができるように、該それぞれの開口よりも大きい長さを有する複数の湾曲固定部材と、
を含み、
前記開口は、前記複数の湾曲固定部材の各々が、前記湾曲固定部材が前記固定プレートに挿入される時に、該複数の開口の前記それぞれのものを通って該固定プレートに入るように位置決めされる、椎間インプラントシステム。 - 前記複数の開口は、前記固定プレートを通して形成された中心ボアの周りに配置される請求項38に記載の椎間インプラントシステム。
- 前記複数の開口は、前記中心ボアの周りの対向する四象限に配置される請求項39に記載の椎間インプラントシステム。
- 前記複数の開口は、前記中心ボアとは別に形成される請求項39に記載の椎間インプラントシステム。
- 前記複数の湾曲固定部材の各々は、第1の断面幾何学形状を形成し、前記複数の開口の各々は、該第1の断面幾何学形状と緊密に適合する第2の断面幾何学形状を形成する請求項38に記載の椎間インプラントシステム。
- 前記固定プレートは、前記インプラント本体の少なくとも一部分が該固定プレートに受け取られるように該インプラント本体に取り付けられる請求項38に記載の椎間インプラント。
- 近位端と、前記固定プレートを解除可能に把持するように構成されて該近位端と反対側の遠位端とを含む1対の挿入ロッドと、
複数の湾曲案内スロットが形成された内面を有する案内リングであって、該湾曲案内スロットが、前記複数の湾曲固定部材を前記溝内に案内するように構成された案内リングと、
前記複数の湾曲固定部材のうちの少なくとも1つの前記先端を前記椎体内に付勢する力を該複数の湾曲固定部材のうちの少なくとも1つに与えるように構成された駆動ヘッドと、
を含む送出器具、
を更に含む請求項38に記載の椎間インプラントシステム。 - 前記駆動ヘッドは、そこに形成された複数の湾曲受容器を有し、該湾曲受容器の各々は、前記複数の湾曲固定部材のうちのそれぞれの1つの前記近位端を解除可能に受け取るように構成される請求項44に記載の椎間インプラントシステム。
- 前記送出器具は、
第1の近位端及び該第1の近位端と反対側の第1の遠位端を有し、前記案内リング及び前記駆動ヘッドを運ぶように構成された駆動シャフトであって、該第1の遠位端が、前記固定プレートのネジ山付きボアと解除可能に係合するように構成されたネジ山付き部分を含む駆動シャフトと、
ピボット回転式係合で前記挿入ロッドの対を受け取るように構成された1対のピボット点が形成され、前記駆動シャフトに固定されたピボットブロックと、
を更に含む、
請求項44に記載の椎間インプラントシステム。 - 前記ピボットブロックは、駆動ラックを摺動可能に受け取るように構成され、更に、該駆動ラックと駆動的に係合するように構成されたピニオンドライブがそこに固定され、
前記駆動ラックは、前記ピニオンドライブが駆動力を該駆動ラックに印加する時に、該駆動ラックが前記駆動ヘッドを前記固定プレートに向う方向に前記駆動シャフトに沿って進め、それによって該力を前記複数の湾曲固定部材の前記少なくとも1つに与えるように該駆動ヘッドに固定される、請求項46に記載の椎間インプラントシステム。 - 前記挿入ロッドの対は、前記近位端及び遠位端間でそこに形成された1対の縦方向スロットを更に含み、
前記送出器具は、
前記挿入ロッドの対の前記近位端に固定された取り付けブロックと、
前記縦方向スロット内に摺動可能に受け取るように構成された1対の側部翼を有し、前記案内リング及び前記駆動ヘッドを運ぶように構成されたキャリッジと、
を更に含む、請求項44に記載の椎間インプラントシステム。 - 前記取り付けブロックは、駆動ラックを摺動可能に受け取るように構成され、更に、該駆動ラックと駆動的に係合するように構成されたピニオンドライブがそこに固定され、
前記駆動ラックは、前記ピニオンドライブが駆動力を該駆動ラックに印加する時に、該駆動ラックが、前記キャリッジを前記固定プレートに向けて縦方向に進め、それによって該力を前記複数の湾曲固定部材の前記少なくとも1つに与えるように該キャリッジに固定される請求項48に記載の椎間インプラントシステム。 - 前記弓形状開口は、少なくとも1つの湾曲された固定部材の断面幾何学形状と緊密に適合するように構成された断面幾何学形状を形成する請求項21に記載の椎間インプラント。
- さらに、少なくとも1つの湾曲された固定部材を前記固定プレートに固定させるように前記固定プレートに連結されるように構成された遮断プレートを備える請求項21に記載の椎間インプラント。
- 前記遮断プレートは、開口を形成し、前記開口は、前記遮断プレートを前記固定プレートにねじ回転可能に連結するロッキング部材を受け入れるように構成されている請求項51に記載の椎間インプラント。
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- 2010-04-15 BR BRPI1010210A patent/BRPI1010210A2/pt not_active IP Right Cessation
- 2010-04-15 CA CA2758922A patent/CA2758922A1/en not_active Abandoned
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Publication number | Publication date |
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WO2010121028A2 (en) | 2010-10-21 |
CN102458278B (zh) | 2016-03-16 |
KR20120028878A (ko) | 2012-03-23 |
CN102458278A (zh) | 2012-05-16 |
EP2419030B1 (en) | 2017-01-11 |
KR101692567B1 (ko) | 2017-01-03 |
JP2012523930A (ja) | 2012-10-11 |
BRPI1010210A2 (pt) | 2016-08-02 |
CA2758922A1 (en) | 2010-10-21 |
WO2010121028A3 (en) | 2010-12-16 |
EP2419030A2 (en) | 2012-02-22 |
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