JP2009509664A - 複合型の椎体間の脊椎固定インプラント - Google Patents
複合型の椎体間の脊椎固定インプラント Download PDFInfo
- Publication number
- JP2009509664A JP2009509664A JP2008533590A JP2008533590A JP2009509664A JP 2009509664 A JP2009509664 A JP 2009509664A JP 2008533590 A JP2008533590 A JP 2008533590A JP 2008533590 A JP2008533590 A JP 2008533590A JP 2009509664 A JP2009509664 A JP 2009509664A
- Authority
- JP
- Japan
- Prior art keywords
- implant
- intervertebral implant
- support
- laterally extending
- intervertebral
- 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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- A61F2310/00341—Coral, e.g. aragonite, porite
Abstract
【選択図】図9
Description
Claims (27)
- 隣接する椎体の間の固定を促進するための椎間インプラントにおいて、
少なくとも部分的に第1の材料から作られた第1の本体であって、横方向に延びる下位部材、前記横方向に延びる下位部材に連結されて該横方向に延びる下位部材から上位方向に離れるように延びる支持体、および前記支持体に連結された横方向に延びる上位部材、を備える第1の本体と、
少なくとも部分的に第2の材料から作られた第2の本体であって、前記横方向に延びる下位部材と前記横方向に延びる上位部材との間に少なくとも部分的に嵌合するように構成された第2の本体と、
を含む、椎間インプラント。 - 前記第1の材料が、生体適合性の金属である、請求項1に記載の椎間インプラント。
- 前記第1の材料がチタンである、請求項1に記載の椎間インプラント。
- 前記第1の材料が、ラジオグラフィーにより検出可能である、請求項1に記載の椎間インプラント。
- 前記第1の材料が放射線不透過性である、請求項1に記載の椎間インプラント。
- 前記横方向に延びる下位部材が、少なくとも部分的に下位椎体に接触するように構成された板である、請求項1に記載の椎間インプラント。
- 前記横方向に延びる下位部材が、下位椎体に向けられた、突起、ラチェット、スパイク、粗面、および刻み目のうち1つまたは複数のものを含む、請求項1に記載の椎間インプラント。
- 前記支持体が、前記横方向に延びる下位部材と前記横方向に延びる上位部材tとの間に構造上の支持体を提供する支柱を備える、請求項1に記載の椎間インプラント。
- 前記横方向に延びる上位部材が、少なくとも部分的に上位椎体に接触するように構成された板である、請求項1に記載の椎間インプラント。
- 前記横方向に延びる上位部材が、上位椎体に向けられた、突起、ラチェット、スパイク、粗面、および刻み目のうち1つまたは複数のものを含む、請求項1に記載の椎間インプラント。
- 前記第2の材料が、生体適合性のあるポリマーである、請求項1に記載の椎間インプラント。
- 前記第2の材料がPEEKである、請求項1に記載の椎間インプラント。
- 前記第2の材料が、X銭撮影によって検出可能である、請求項1に記載の椎間インプラント。
- 前記第2の材料が放射線透過性である、請求項1に記載の椎間インプラント。
- 前記第2の材料が、前記第1の材料ほどラジオグラフィーにより検出可能ではない、請求項1に記載の椎間インプラント。
- 前記横方向に延びる下位部材と前記横方向に延びる上位部材との間に骨の成長を促進する物質をさらに備える、請求項1に記載の椎間インプラント。
- 隣接する2つの椎体の間の固定を促進するための椎間インプラントにおいて、
前記隣接する椎体の対向するエンドプレートと係合するための第1および第2の放射線不透過性の板であって、それらの間に空間を形成するように構成された第1および第2の板と、
前記空間の両側において前記第1の板と前記第2の板との間に配置された第1および第2の放射線透過性ブロックとを備え、
前記第1の板と前記第2の板との間の前記空間に内部空隙が形成され、前記内部空隙が、前記第1および第2の放射線透過性ブロックによって少なくとも2つの側部に部分的に封入される、椎間インプラント。 - 前記第1および第2の放射線不透過性の板が、少なくとも部分的にチタンから作られる、請求項17に記載の椎間インプラント。
- 前記第1および第2の放射線透過性ブロックが、少なくとも部分的にPEEKから作られる、請求項17に記載の椎間インプラント。
- 前記第1および第2の放射線透過性ブロックのうち少なくとも1つが、該放射線透過性ブロック中を通る穴を含む、請求項17に記載の椎間インプラント。
- 前記放射線透過性ブロック中を通る前記穴の一方または両方に骨の成長を促進する物質をさらに含む、請求項20に記載の椎間インプラント。
- 前記インプラントが植込まれているときに、前記内部空隙が、前記隣接する椎体の間を延びる、請求項17に記載の椎間インプラント。
- 前記内部空隙に骨の成長を促進する物質をさらに含む、請求項17に記載の椎間インプラント。
- 横方向の寸法、前方から後方への寸法、および下位から上位への垂直寸法を有する椎間インプラントであって、隣接する椎体の間に配置するための前記インプラントが、
横方向に延びる下位部材と、
横方向に延びる上位部材と、
前記横方向に延びる下位部材と前記横方向に延びる上位部材の間に少なくとも部分的に嵌合するように構成された実質上放射線透過性の本体と、
前記横方向に延びる下位部材と前記横方向に延びる上位部材とに連結され、前記横方向に延びる下位部材と前記横方向に延びる上位部材との間を延びる、2つ以上の支持体と、
を備え、
前面、後面、および側面の少なくとも1つからラジオグラフィーで見るときの前記2つ以上の支持体の間の相対的な位置が、垂直軸線の周りの前記インプラントの回転位置を示す、椎間インプラント。 - 前記インプラントの後ろから直接的にラジオグラフィーによって可視化されるときに第1の支持体しか観察することができないように、前記インプラントの後側の近くにある前記第1の支持体が、前記インプラントの前側の近くにある第2の支持体の直ぐ後ろにある、請求項24に記載の椎間インプラント。
- 前記インプラントの後ろから直接的にラジオグラフィーによって可視化されるときに、第1および第3の支持体しか観察することができないように、前記インプラントの後側の近くにある前記第1の支持体および前記第3の支持体が、それぞれ前記インプラントの前側の近くにある第2の支持体および第4の支持体のすぐ後ろにある、請求項24に記載の椎間インプラント。
- 第1の側面からラジオグラフィーによって可視化されるときに、第1および第2の支持体しか観察することができないように、前記インプラントの前記第1の側面の近くにある前記第1の支持体および前記第2の支持体が、それぞれ前記第1の側面の反対にある第2の側面の近くにある第3の支持体および第4の支持体のすぐ横にある、請求項24に記載の椎間インプラント。
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JP2009509664A true JP2009509664A (ja) | 2009-03-12 |
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EP (1) | EP1942840A2 (ja) |
JP (1) | JP5291464B2 (ja) |
AU (1) | AU2006292074B2 (ja) |
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- 2006-09-26 JP JP2008533590A patent/JP5291464B2/ja not_active Expired - Fee Related
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AU2006292074A1 (en) | 2007-03-29 |
WO2007035968A3 (en) | 2007-06-14 |
US7875075B2 (en) | 2011-01-25 |
US20070233247A1 (en) | 2007-10-04 |
JP5291464B2 (ja) | 2013-09-18 |
EP1942840A2 (en) | 2008-07-16 |
WO2007035968A2 (en) | 2007-03-29 |
CA2623448A1 (en) | 2007-03-29 |
AU2006292074B2 (en) | 2011-11-24 |
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