JP2012232124A - 脊柱の2つの椎体間の固定のための椎間インプラントおよび対応する位置決め機器 - Google Patents
脊柱の2つの椎体間の固定のための椎間インプラントおよび対応する位置決め機器 Download PDFInfo
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- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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Abstract
【解決手段】脊柱の2つの椎体間の固定のため椎間インプラント1であって、2つの相対する表面3を有し、骨が成長する間、充填するための孔5または空洞6を含む本体と、位置決め機器の把持端部を受け入れるための係合部7であって、前記本体の開口部8を通して接近可能なスプライン状シャフト9として成形される係合部7とを備える椎間インプラント1に関する。有利には、さらに前述の脊椎インプラント1を移植するための位置決め機器に関する。
【選択図】図1
Description
−2つの相対する表面を有し、骨が成長する間、充填するための孔または空洞を含む本体と、
−位置決め機器の把持端部を受け入れるための係合部であって、前記本体の開口部を通して接近可能なスプライン状シャフトとして成形された係合部と
を備える椎間インプラントによって解決される。
−近位端および遠位端を有するハンドルと、
−前記ハンドルの前記遠位端から延在する係止シャフトと、
−前記シャフトの遠位端に位置する把握ヘッドと
を備える位置決め機器であり、、
前記係止シャフトはカニューレ状であり、ハンドルを貫通するカニューレ状シャフトの内側にステムが収容され、
前記シャフトは、前記ステムの上で回転可能であり、
前記把握ヘッドは前記ステムの遠位端に形成され、1対のクランプが前記ステムの角回転に応じて開閉することを特徴とする位置決め機器に関する。
Claims (15)
- 脊柱の2つの椎体間の固定のための椎間インプラント(1)であって、
2つの相対する表面(3、4)を有し、骨が成長する間に充填するための孔(5)または空洞(6)を含む本体(2)と、
位置決め機器(12)の把持端部(10)を受け入れるための係合部(7)であって、前記本体(2)の開口部(8)を通して接近可能なスプライン状シャフト(9)として成形された係合部(7)と
を備え、
前記スプライン状シャフト(9)は、ギヤのように溝(21)によって規則的な角度間隔に配置された複数の周縁リブ(20)を有することを特徴とする椎間インプラント(1)。 - 前記本体(2)および前記スプライン状シャフト(9)はどちらも、生体適合性かつ放射線透過性の合成材料によって一体構造として製造されていることを特徴とする請求項1に記載のインプラント。
- 前記本体(2)は、生体適合性かつ放射線透過性の合成材料で製造され、
前記係合部のスプライン状シャフト(9)は、生体適合性の金属または金属合金によって実現されていることを特徴とする請求項1に記載のインプラント。 - 前記スプライン状シャフト(9)は、軸が前記相対する表面(3、4)に対して実質的に垂直な状態で、前記インプラント本体(2)に埋め込まれていることを特徴とする請求項1に記載のインプラント。
- 前記開口部(8)は、180°から320°の間の角度範囲で実現することができ、
前記開口部の少なくとも1つの横方向の壁(16)は、前記位置決め機器(12)の前記把持端部(10)について実施可能な角度方向付けに対する横方向の抑止物になることを特徴とする請求項1に記載のインプラント。 - 前記インプラント本体(2)は、一端に挿入用突出部(15)を有し、
前記スプライン状シャフト(9)は、前記挿入用突出部(15)に対して反対側の端部から接近可能であることを特徴とする請求項1に記載のインプラント。 - 前記インプラント本体(2)内の前記挿入用突出部の端部(15)の近くにのみ、マーカ(18、19)が埋め込まれていることを特徴とする請求項1に記載のインプラント。
- 近位端および遠位端を有するハンドル(30)と、
前記ハンドル(30)の前記遠位端から延在する係止シャフト(35)と、
前記機器(12)の前記遠位端にある把握ヘッド(10)と
を備える、請求項1から7のいずれかに記載のインプラントのための位置決め機器(12)であって
、
前記係止シャフト(35)はカニューレ状であり、前記カニューレ状シャフト(35)の内側にステム(38)が収容され、前記ハンドル(30)に固定され、
前記シャフト(35)は、前記ステム(38)に対して自由に回転可能であり、
前記把握ヘッド(10)は、前記ステム(38)の前記遠位端に形成され、1対のクランプ(45、46)が、前記ステム(38)に対する前記シャフト(35)の相対的な角回転に応じて開閉することを特徴とする位置決め機器。 - 前記カニューレ状の係止シャフト(35)は、その遠位端に内部の楕円形断面を有し、相対的な角回転の間、前記ステムに干渉することを特徴とする請求項8に記載の位置決め機器。
- 前記ステム(38)の前記遠位端にカット部(50)が設けられ、前記2つのクランプ(45、46)を分離し、前記2つのクランプ(45、46)の間での相互の弾力的な移動を可能にすることを特徴とする請求項8に記載の位置決め機器。
- 前記ハンドル(30)の内側に、遠位端(31)が前記ハンドル(30)から突出するスリーブ(31)が組み込まれ、
前記シャフト(35)は、サムホイール(32)によって前記遠位端(33)に回転可能に取り付けられていることを特徴とする請求項8に記載の位置決め機器。 - 前記カット部(50)は、前記シャフトの内部の楕円形断面の範囲より大きく延びていることを特徴とする請求項9に記載の位置決め機器。
- 係止動作は、前記係止シャフト(35)または前記ステム(38)の前記ハンドル(30)に対する、10°から130°の間の相対的な角度移動によって実行されることを特徴とする請求項9に記載の位置決め機器。
- 前記クランプ(45、46)は非対称であり、歯の付いた部分(48)を有する内側に湾曲した表面を呈し、リブおよび溝は、前記スプライン状シャフト(9)の前記リブ(20)および前記溝(21)の形状に実質的に一致していることを特徴とする請求項10に記載の位置決め機器。
- 前記ステム(38)は、前記ハンドルに固定された係止シャフト(35)に対して回転可能であることを特徴とする請求項8に記載の位置決め機器。
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EP11164253.4 | 2011-04-29 | ||
EP11164253.4A EP2517676B1 (en) | 2011-04-29 | 2011-04-29 | Intervertebral implant for the fusion between two vertebral bodies of a vertebral column and corresponding positioning instrument |
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JP2012232124A true JP2012232124A (ja) | 2012-11-29 |
JP6010332B2 JP6010332B2 (ja) | 2016-10-19 |
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US (1) | US9138333B2 (ja) |
EP (1) | EP2517676B1 (ja) |
JP (1) | JP6010332B2 (ja) |
CN (1) | CN102755206B (ja) |
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ES (1) | ES2629031T3 (ja) |
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ES2629031T3 (es) | 2017-08-07 |
EP2517676A1 (en) | 2012-10-31 |
JP6010332B2 (ja) | 2016-10-19 |
US9138333B2 (en) | 2015-09-22 |
CN102755206A (zh) | 2012-10-31 |
CN102755206B (zh) | 2016-09-21 |
EP2517676B1 (en) | 2017-04-05 |
US20120277869A1 (en) | 2012-11-01 |
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AU2012201461B2 (en) | 2015-09-10 |
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