JP2012513836A - ネジ式支柱型骨アンカーのためのスプライン駆動 - Google Patents
ネジ式支柱型骨アンカーのためのスプライン駆動 Download PDFInfo
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- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
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- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
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- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
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- A—HUMAN NECESSITIES
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- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
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Abstract
【選択図】 図2A
Description
本出願は、2008年12月24日出願の米国特許仮出願第61/140,716号明細書に対する優先権を請求するものであり、その開示内容は、あたかもその全体が本明細書に示されるかのごとくここに引用により組み込まれる。
30a 近位端
30b 遠位端
42 内腔
L1 中心長手方向軸線
Claims (26)
- 骨アンカーであって、
長手方向軸線に沿って延びる雄ネジシャフトと、
前記シャフトに接続したヘッドであって、前記ヘッドが、前記ヘッド内に延びる複数の等距離に離間した長手方向に細長い凹部を含むスプライン駆動機構を形成し、そのために各凹部が1対の離間した側壁を形成する前記ヘッドと、を有することを特徴とする骨アンカー。 - 各凹部は、前記離間した側壁の対の間に延びる基部を更に含むことを特徴とする請求項1に記載の骨アンカー。
- 各側壁は、前記基部に滑らかに移行することを特徴とする請求項2に記載の骨アンカー。
- 各凹部の前記基部は、前記側壁の半径方向外側端部の間に接続されることを特徴とする請求項2に記載の骨アンカー。
- 各凹部の前記基部は、前記側壁の半径方向内側端部の間に接続されることを特徴とする請求項2に記載の骨アンカー。
- 前記基部及び前記側壁のうちの少なくとも1つは、嵌合ドライバ器具に係合するように構成されたテーパ付き領域を形成することを特徴とする請求項2に記載の骨アンカー。
- 前記テーパ付き領域は、内向きにテーパ付きにされることを特徴とする請求項6に記載の骨アンカー。
- 前記テーパ付き領域は、外向きにテーパ付きにされることを特徴とする請求項6に記載の骨アンカー。
- 前記ヘッドは、前記凹部の遠位端において前記凹部の近位端におけるよりも大きい直径を前記基部において形成し、前記嵌合ドライバ器具とのテーパ付き締まり嵌めを生じさせることを特徴とする請求項6に記載の骨アンカー。
- 前記側壁の表面は、前記基部に対して角度が付けられることを特徴とする請求項2に記載の骨アンカー。
- 前記ヘッドは、外面及び対向する内面を形成し、前記凹部は、前記ヘッドの前記外面の中に突出することを特徴とする請求項1に記載の骨アンカー。
- 前記ヘッドは、外面及び対向する内面を形成し、前記凹部は、前記ヘッドの前記内面の中に突出することを特徴とする請求項1に記載の骨アンカー。
- 前記ヘッドは、そこに長手方向に延びるネジ式内腔を形成することを特徴とする請求項1に記載の骨アンカー。
- 骨成長刺激表面で被覆されることを特徴とする請求項1に記載の骨アンカー。
- 前記ヘッドは、隣接する凹部間の前記外面から測定した時に約4mmから約6mmの間の外径を有する外面を形成することを特徴とする請求項1に記載の骨アンカー。
- 前記ヘッドは、両側の凹部で前記外面から測定した時に約3mmから約5mmの間の外径を定めることを特徴とする請求項1に記載の骨アンカー。
- 前記ヘッドは、クランプに連結されるように構成され、前記クランプは、次に、骨アンカーを固定部材に接続するように構成されることを特徴とする請求項1に記載の骨アンカー。
- 骨アンカーアセンブリであって、
長手方向軸線に沿って延びる雄ネジシャフトと前記シャフトに接続されたヘッドとを含む骨アンカーであって、前記ヘッドが、前記ヘッド内に延びる複数の等距離に離間した長手方向に細長い凹部を含むスプライン駆動機構を形成し、そのために各凹部が1対の離間した側壁を形成する前記骨アンカーと、
前記凹部のうちの少なくとも1つの中に延びるように構成された複数の突起を含むドライバ器具であって、各歯が、1対の側壁を含み、前記側壁のうちの1つが、前記骨アンカーヘッド上にトルク/力を付与するために前記凹部のうちの1つの相補的側壁に係合するように構成された前記ドライバ器具と、を有することを特徴とする骨アンカーアセンブリ。 - 各凹部の前記側壁の各々は、両側の端部を形成し、各凹部は、前記両側の端部の一方で前記側壁に接続した基部を有し、各歯は、前記歯の前記側壁の間に接続した基部を有することを特徴とする請求項18に記載の骨アンカーアセンブリ。
- 前記凹部及び前記突起の少なくとも一方は、前記凹部と前記突起の係合を容易にするために前記凹部及び前記突起の他方に向けてテーパ付きである表面を有することを特徴とする請求項19に記載の骨アンカーアセンブリ。
- 前記凹部の少なくとも選択された1つの前記基部は、前記凹部の前記選択された1つに配置された前記突起の対応する1つに向けて外向きにテーパ付きであり、そのために前記テーパ付き領域は、前記ドライバ器具の両側の突起の基部によって形成される断面距離よりも大きい前記ヘッドの断面距離を定めることを特徴とする請求項20に記載の骨アンカーアセンブリ。
- 前記凹部の少なくとも選択された1つの前記基部は、前記凹部の前記選択された1つに配置された前記突起の対応する1つに向けて内向きにテーパ付きであり、そのために前記テーパ付き領域は、前記ドライバ器具の対向する突起の基部によって形成される断面距離よりも小さい前記ヘッドの断面距離を定めることを特徴とする請求項20に記載の骨アンカーアセンブリ。
- 前記ヘッドは、外面及び対向する内面を形成し、前記凹部は、前記ヘッドの前記外面の中に突出することを特徴とする請求項18に記載の骨アンカーアセンブリ。
- 前記ドライバ器具は、前記ヘッドの前記外面の上に適合する挿管を形成し、前記突起は、前記挿管の上に延びることを特徴とする請求項18に記載の骨アンカーアセンブリ。
- 前記ヘッドは、そこに長手方向に延びるネジ式内腔を形成し、骨アンカーアセンブリは、更に、前記ネジ式内腔に螺合接続されるように構成された補助デバイスを有することを特徴とする請求項18に記載の骨アンカーアセンブリ。
- 前記ヘッドは、外面及び対向する内面を形成し、前記凹部は、前記ヘッドの前記内面の中に突出することを特徴とする請求項18に記載の骨アンカーアセンブリ。
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US14071608P | 2008-12-24 | 2008-12-24 | |
US61/140,716 | 2008-12-24 | ||
PCT/US2009/069391 WO2010075505A1 (en) | 2008-12-24 | 2009-12-23 | Spline drive for threaded post-type bone anchors |
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JP2012513836A true JP2012513836A (ja) | 2012-06-21 |
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US (1) | US8617225B2 (ja) |
EP (1) | EP2376009B1 (ja) |
JP (1) | JP2012513836A (ja) |
WO (1) | WO2010075505A1 (ja) |
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WO2010075505A1 (en) | 2008-12-24 | 2010-07-01 | Synthes Usa, Llc | Spline drive for threaded post-type bone anchors |
JP2012515038A (ja) | 2009-01-16 | 2012-07-05 | カーボフィックス オーソピーディックス リミテッド | 複合材骨インプラント |
US10154867B2 (en) | 2010-06-07 | 2018-12-18 | Carbofix In Orthopedics Llc | Multi-layer composite material bone screw |
CN105877829B (zh) | 2010-06-07 | 2018-06-22 | 卡波菲克斯整形有限公司 | 复合材料骨植入物 |
WO2012094647A2 (en) | 2011-01-06 | 2012-07-12 | Bergey Darren L | Interbody vertebral prosthetic device with blade anchor |
US11701238B2 (en) | 2011-01-06 | 2023-07-18 | Darren L. BERGEY | Compressive, orthopedic, anchoring apparatus and method |
CN104203132B (zh) | 2011-11-14 | 2017-08-01 | 不列颠哥伦比亚大学 | 用于骨盆和髋臼骨折的治疗的髓内固定*** |
US9526549B2 (en) * | 2012-01-16 | 2016-12-27 | Carbofix Orthopedics Ltd. | Bone screw with insert |
US9387025B2 (en) | 2012-04-04 | 2016-07-12 | Smith & Nephew, Inc. | Bone screw and self-retaining driver |
CA2978697A1 (en) | 2014-03-06 | 2015-09-11 | The University Of British Columbia | Shape adaptable intramedullary fixation device |
US9553404B2 (en) * | 2014-06-26 | 2017-01-24 | Tyco Electronics Corporation | Guide pins for connector assemblies |
WO2016061173A1 (en) | 2014-10-14 | 2016-04-21 | Empire Technology Development Llc | Systems and methods for intermedullary bone fixation |
US10617458B2 (en) | 2015-12-23 | 2020-04-14 | Carbofix In Orthopedics Llc | Multi-layer composite material bone screw |
CN117257430A (zh) | 2016-10-05 | 2023-12-22 | 不列颠哥伦比亚大学 | 带有形状锁定交接部的髓内固定装置 |
US10531903B2 (en) * | 2016-12-06 | 2020-01-14 | DePuy Synthes Products, Inc. | Orthopedic break-off screws, tools for inserting such screws, and related systems and methods |
US11832856B2 (en) | 2018-10-17 | 2023-12-05 | The University Of British Columbia | Bone-fixation device and system |
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Also Published As
Publication number | Publication date |
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US20100217333A1 (en) | 2010-08-26 |
EP2376009A1 (en) | 2011-10-19 |
US8617225B2 (en) | 2013-12-31 |
EP2376009B1 (en) | 2012-11-21 |
WO2010075505A1 (en) | 2010-07-01 |
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