JP6849674B2 - 椎間脊椎融合用固定デバイスの展開用デバイス及び方法 - Google Patents
椎間脊椎融合用固定デバイスの展開用デバイス及び方法 Download PDFInfo
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- JP6849674B2 JP6849674B2 JP2018518719A JP2018518719A JP6849674B2 JP 6849674 B2 JP6849674 B2 JP 6849674B2 JP 2018518719 A JP2018518719 A JP 2018518719A JP 2018518719 A JP2018518719 A JP 2018518719A JP 6849674 B2 JP6849674 B2 JP 6849674B2
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Description
本特許出願は、2015年5月21日に出願された米国特許出願第14/718,514号の一部継続出願であり、その全体が本明細書に組み込まれる。
Claims (18)
- 椎間融合デバイスであって、
上部椎体と下部椎体との間に埋め込まれるように適合されているスペーサと、
前記スペーサ内に位置付けられた第1のアンカー及び第2のアンカーと、
前記スペーサ内に位置付けられ、前記第1のアンカー及び前記第2のアンカーと係合するように適合されているねじと、を備え、
前記ねじが第1の方向で作動されると、前記第1のアンカーが移動して前記上部椎体と係合し、前記第2のアンカーが移動して前記下部椎体と係合し、前記第1のアンカー及び前記第2のアンカーが同時に移動されるように構成され、
前記第1及び第2のアンカーのそれぞれが、第1の側部と、該第1の側部と反対の側の第2の側部とを含み、前記第2の側部が、前記ねじと係合するように構成された複数の直線の切り口を有する、椎間融合デバイス。 - 非展開状態の前記第1及び第2のアンカーが、全体的に前記スペーサ内に配設される、請求項1に記載の椎間融合デバイス。
- 前記スペーサが、前記第1及び第2のアンカーの、それらのそれぞれの椎体内への展開を、それぞれ誘導するように適合されている上部ガイド及び下部ガイドを有する、請求項1に記載の椎間融合デバイス。
- 前記第1及び第2のアンカーが、前記第1及び第2のアンカーに力が加えられたときに、それらのそれぞれの上部及び下部ガイドに沿って互いに独立して移動する個別の要素である、請求項3に記載の椎間融合デバイス。
- 前記上部及び下部ガイドのそれぞれが、前記第1及び第2のアンカーのそれぞれ1つを圧迫して、それらをそれらのそれぞれの椎体内へ展開させる傾斜表面を有する、請求項3に記載の椎間融合デバイス。
- 前記第1及び第2のアンカーが、前記上部及び下部ガイドの前記傾斜表面と実質的に同じである傾斜縁をそれぞれ有する、請求項5に記載の椎間融合デバイス。
- 前記複数の直線の切り口が、前記ねじのねじ山と相互接続する部分的なねじ山を形成する、請求項1に記載の椎間融合デバイス。
- 前記スペーサが、前記上部及び下部ガイド内に位置付けられている第1の窓及び第2の窓を含む、請求項3に記載の椎間融合デバイス。
- 前記第1のアンカー及び前記第2のアンカーが、それぞれ第1及び第2の突起を含み、前記第1及び第2の突起は、前記第1及び第2の窓内に位置付けられている、請求項8に記載の椎間融合デバイス。
- 前記スペーサが、移植用器具のグリッパを受容するために対向に位置付けられた側部のスロットの対を含む、請求項1に記載の椎間融合デバイス。
- 椎間融合デバイスであって、
上部椎体と下部椎体との間に埋め込まれるように適合されているスペーサと、
前記スペーサ内に位置付けられた第1のアンカー及び第2のアンカーと、
前記スペーサ内に位置付けられ、前記第1のアンカー及び前記第2のアンカーと係合するように適合されているねじと、を備え、
前記ねじが第1の方向で作動されると、前記第1のアンカーが移動して前記上部椎体と係合し、前記第2のアンカーが移動して前記下部椎体と係合し、
前記第1のアンカー及び前記第2のアンカーが、偏菱形プロファイルで構成され、
前記第1及び第2のアンカーのそれぞれが、第1の側部と、該第1の側部と反対の側の第2の側部とを含み、前記第2の側部が、前記ねじと係合するように構成された複数の直線の切り口を有する、椎間融合デバイス。 - 非展開状態の前記第1及び第2のアンカーが、全体的に前記スペーサ内に配設される、請求項11に記載の椎間融合デバイス。
- 前記スペーサが、前記第1及び第2のアンカーの、それらのそれぞれの椎体内への展開を、それぞれ誘導するように適合されている上部ガイド及び下部ガイドを有する、請求項11に記載の椎間融合デバイス。
- 前記第1及び第2のアンカーが、前記第1及び第2のアンカーに力が加えられたときに、それらのそれぞれの上部及び下部ガイドに沿って互いに独立して移動する個別の要素である、請求項13に記載の椎間融合デバイス。
- 前記上部及び下部ガイドのそれぞれが、前記第1及び第2のアンカーのそれぞれ1つを圧迫して、それらをそれらのそれぞれの椎体内へ展開させる傾斜表面を有する、請求項13に記載の椎間融合デバイス。
- 前記第1及び第2のアンカーが、前記上部及び下部ガイドの前記傾斜表面と実質的に同じである傾斜縁をそれぞれ有する、請求項15に記載の椎間融合デバイス。
- 前記複数の直線の切り口が、前記ねじのねじ山と相互接続する部分的なねじ山を形成する、請求項11に記載の椎間融合デバイス。
- 椎間融合デバイスであって、
上部椎体と下部椎体との間に埋め込まれるように適合されているスペーサと、
前記スペーサ内に位置付けられた第1のアンカー及び第2のアンカーと、
前記スペーサ内に位置付けられ、前記第1のアンカー及び前記第2のアンカーと係合するように適合されているねじと、を備え、
前記ねじが第1の方向で作動されると、前記第1のアンカーが移動して前記上部椎体と係合し、前記第2のアンカーが移動して前記下部椎体と係合し、
前記ねじのねじ山が、前記第1及び第2のアンカーのねじ山と相互接続され、
前記第1及び第2のアンカーのそれぞれが、第1の側部と、該第1の側部と反対の側の第2の側部とを含み、前記第2の側部が、前記ねじと係合するように構成された複数の直線の切り口を有し、
前記複数の直線の切り口が、前記第1及び第2のアンカーのねじ山を形成する、椎間融合デバイス。
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PCT/US2016/056729 WO2017066375A1 (en) | 2015-10-13 | 2016-10-13 | Device and method for deployment of an anchoring device for intervertebral spinal fusion |
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