JP2017503626A - 弾性力を持つ人工椎間ディスク - Google Patents
弾性力を持つ人工椎間ディスク Download PDFInfo
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- 208000002193 Pain Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
2 下側椎骨
10 上位プレート
11 上側椎骨支持部
12 円形回転部
13 凸曲面部
14 器具保持孔
15、16 防止段
17、30 固定突起
20 下位プレート
21 下側椎骨支持部
22 装着部
23 第1装着部
24 第2装着部
25 弾性連結部
26 凹曲面部
27〜29 切欠部
40 キール(Keel)
100 弾性力を持つ人工椎間ディスク
Claims (10)
- 隣接した椎骨の間に挿入可能な人工ディスクであって、
下側椎骨と噛み合って上側椎骨に弾性力を提供する下位プレート;及び
前記下位プレートの上部に装着され、上側椎骨と噛み合い、上側椎骨の回転によって一定角度範囲内で左右に回転可能な上位プレート;
を含んでなることを特徴とする弾性力を持つ人工椎間ディスク。 - 前記下位プレートは‘コ’字形に構成され、上側椎骨の前方部が下れば、荷重によって‘コ’字形の上端が下ることを特徴とする、請求項1に記載の弾性力を持つ人工椎間ディスク。
- 前記下位プレートの‘コ’字形の上端には開口部が形成され、上位プレートが前記開口部に結合されて装着されることを特徴とする、請求項2に記載の弾性力を持つ人工椎間ディスク。
- 前記下位プレートは、
下側椎骨と噛み合って人工椎間ディスクの離脱を防止する下側椎骨支持部;
前記上位プレートの下面に対応する構造に形成され、上位プレートが回転可能に装着される装着部;及び
前記下側椎骨支持部と装着部を連結し、上側椎骨の前方部が下に動くことによって折り畳まれた装着部に弾性力を提供する弾性連結部;
を含むことを特徴とする、請求項1に記載の弾性力を持つ人工椎間ディスク。 - 前記装着部は、左右側に二つに分離された第1装着部と第2装着部からなり、第1装着部と第2装着部は前記上位プレートの下面が回転可能に結合される凹形の回転ガイド部を含むことを特徴とする、請求項4に記載の弾性力を持つ人工椎間ディスク。
- 前記弾性連結部は容易に曲がるだけでなく、弾性力を提供するように円形に形成されることを特徴とする、請求項4に記載の弾性力を持つ人工椎間ディスク。
- 前記弾性連結部は、第1装着部に加わる荷重によって第1装着部に連結された弾性連結部が曲がり、第2装着部に加わる荷重によって第2装着部に連結された弾性連結部が曲がるように中央部に一定長さの切欠部が形成されることを特徴とする、請求項5に記載の弾性力を持つ人工椎間ディスク。
- 前記弾性連結部は、第1装着部または第2装着部に加わる荷重によって該当方向に易しく曲がるように左右側に一定長さの切欠部が形成されることを特徴とする、請求項5に記載の弾性力を持つ人工椎間ディスク。
- 前記上位プレートは、
上側椎骨と噛み合って人工椎間ディスクの離脱を防止する上側椎骨支持部;及び
前記上側椎骨支持部の下面に設けられ、前記下位プレートの上面に回転可能に結合される円形の回転部;
を含むことを特徴とする、請求項1に記載の弾性力を持つ人工椎間ディスク。 - 前記円形の回転部は、一定角度以上回転することを防止するために、前方及び後方に防止段を含み、一定角度以上回転するとき、防止段が前記下位プレートにかかって回転を制限することを特徴とする、請求項9に記載の弾性力を持つ人工椎間ディスク。
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KR101647450B1 (ko) * | 2014-10-20 | 2016-08-10 | 주식회사 메드릭스 | 극돌기간 다이나믹 임플란트 |
KR101629708B1 (ko) | 2014-11-12 | 2016-06-13 | (주)메디쎄이 | 인공 디스크의 제조방법 및 이에 의해 제조된 인공 디스크 |
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