JP2012523930A - 弓状固定部材 - Google Patents
弓状固定部材 Download PDFInfo
- Publication number
- JP2012523930A JP2012523930A JP2012506222A JP2012506222A JP2012523930A JP 2012523930 A JP2012523930 A JP 2012523930A JP 2012506222 A JP2012506222 A JP 2012506222A JP 2012506222 A JP2012506222 A JP 2012506222A JP 2012523930 A JP2012523930 A JP 2012523930A
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- JP
- Japan
- Prior art keywords
- fixation
- curved
- proximal end
- bone
- arcuate
- 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.)
- Granted
Links
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Landscapes
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- Molecular Biology (AREA)
- Transplantation (AREA)
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- Vascular Medicine (AREA)
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- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
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Abstract
【選択図】 図9L
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 (48)
- 椎体に挿入するように構成された骨固定部材であって、
近位端及び該近位端と反対側の遠位端を形成し、該遠位端において骨に切り込むように構成された先端を含む本体と、
前記近位端及び遠位端間の中心湾曲軸線に沿って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、
を有する骨固定部材。 - 前記本体は、前記近位端にタブを含み、該タブは、それを通って形成された開口を含み、該開口は、アンカーを受け取るように構成される請求項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2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2に記載の骨固定部材。
- 前記タブは、前記近位端において前記中心湾曲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請求項2に記載の骨固定部材。
- 前記タブは、前記近位端において前記中心湾曲軸線に対して鋭角を形成する上部タブ面を形成する請求項2に記載の骨固定部材。
- 更に、前記近位端にヘッドを含み、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1に記載の骨固定部材。
- 前記ヘッドは、前記近位端に結合されたトグルヘッドの周りで回転可能である請求項7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湾曲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。
- 前記溝は、案内部材の湾曲案内ボアと摺動可能に嵌合可能であるように構成される請求項9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。
- 前記湾曲中間部分は、前記中心湾曲軸線に沿って一定の曲率半径を示す請求項1に記載の骨固定部材。
- 前記湾曲中間部分は、前記中心湾曲軸線に沿って様々な曲率半径を示すことを特徴とする請求項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、それを通って形成された開口を含み、該開口が、骨アンカーを受け取るように構成された骨固定部材と、
前記開口内に受け取るように構成され、かつ下にある構造体に取り付けられるように構成されたシャフトと、ヘッドと、該ヘッドの反対側の先端とを含む骨アンカーと、
を含む椎弓根固定アセンブリ。 - 前記シャフトは、前記先端と前記ヘッドの間の該シャフトの第1の部分に沿って該先端から延びる第1の複数のネジ山を含む請求項15に記載の椎弓根固定アセンブリ。
- 前記開口の内面が、そこに形成されて前記第1の複数のネジ山と解除可能に係合するように構成された複数の相補的ネジ山を含む請求項16に記載の椎弓根固定アセンブリ。
- 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15に記載の椎弓根固定アセンブリ。
- 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18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。
- 前記下に重なる構造体は、骨である請求項15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23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23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23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23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23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取り付けられた固定プレートであって、該固定プレートが、それを通って延びる少なくとも1つの湾曲開口を形成する固定プレートと、
近位端及び該近位端と反対側の遠位端を有し、前記少なくとも1つの湾曲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、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取り付けで前記インプラント本体の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29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30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30に記載の椎間インプラント。
- 前記固定プレートは、それを通って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開口を有する請求項29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29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つの湾曲開口を受け取るように構成される請求項29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29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式部分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37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38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38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37に記載の脊椎固定システム。
- 第1の骨係合面及び対向する第2の骨係合面を形成するインプラント本体であって、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たインプラント本体と、
前記インプラント本体に取り付けられた固定プレートであって、該固定プレートが、それを通って延びる少なくとも1つの湾曲開口を形成する固定プレートと、
近位端及び該近位端と反対側の遠位端を有し、前記少なくとも1つの湾曲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、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システム。 - 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湾曲開口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42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つの前記遠位端を解除可能に受け取るように構成される請求項43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43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45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遠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43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47に記載の椎間インプラントシステム。
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Also Published As
Publication number | Publication date |
---|---|
WO2010121028A3 (en) | 2010-12-16 |
EP2419030B1 (en) | 2017-01-11 |
JP5591912B2 (ja) | 2014-09-17 |
BRPI1010210A2 (pt) | 2016-08-02 |
CN102458278A (zh) | 2012-05-16 |
KR20120028878A (ko) | 2012-03-23 |
WO2010121028A2 (en) | 2010-10-21 |
KR101692567B1 (ko) | 2017-01-03 |
CA2758922A1 (en) | 2010-10-21 |
EP2419030A2 (en) | 2012-02-22 |
CN102458278B (zh) | 2016-03-16 |
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