JP2022528468A - 埋め込み可能で拡張可能な骨支持装置、部品のキット、ブロックのセット、及び拡張可能で埋め込み可能な装置の配置方法 - Google Patents
埋め込み可能で拡張可能な骨支持装置、部品のキット、ブロックのセット、及び拡張可能で埋め込み可能な装置の配置方法 Download PDFInfo
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Abstract
Description
例えば、図29に示すように、インプラント対向側面50の高さは、非拡張状態では、装置本体19の半径方向寸法と同等又はそれ未満であってよく、好ましくは、固定ブロック5全体が、装置本体19を越えて半径方向に突出しない。従って、装置1は、非拡張状態で骨にスムーズに挿入されうる閉じた形状である。この例では、非拡張状態では、インプラント対向側面は、突起端部35、45の傾斜面に接触し、接触領域内の装置1の軸方向端部をクローズオフする。したがって、軸方向aに見られるように、固定ブロック5及び装置本体19は、非拡張状態で連続的な本体を形成し、これにより、装置1が骨を介して空洞116内に挿入するのがさらに容易になる。
2 フレーム
3、4 バルクブロック
5 固定ブロック
6 固定要素
7 コア
8 第1のマトリクス
9 第2のマトリクス
10 アクチュエータインタフェース
11 ブロック間隙
12 ブロック内空間
13 固定界面
14、15 軸方向端部
16、17 バルクブロックの部分
18 アクチュエータ
19 装置本体
21 ガイドロッド
22 横方向バー
30、40 骨側面
31、41 ブロック間隙側面
32、42 開放セル
33、43 セル支柱
33’ 横支柱
34、44 開口面
35、45 突起部
36、46 フィンガ
37、47 通路
38、48 バー
49 肋骨
50 インプラント対向面
51 ベース
52 通路
60 固定要素ガイド
61 リング状部材
62、63 リング状部材
64 閉ループ
100 茎
101 ホルダ
102 椎骨
103 椎骨間板
104 椎骨
106 骨内空洞
108 通路
109 エンドプレート
110 ノッチ
111 前壁
180 端部
181 ストップ
200 トロカール
202 ピン
204 アール
206 ドリル
208 チューブガイド
210 ゲージ
300、400 サイドローブ
301、401 ノブ
320、420 外側端部
321、421 外側端部
322、422 ステップ
Claims (20)
- ヒト又は非ヒト哺乳動物の椎骨等の骨に埋め込みできる、埋め込み可能な拡張可能な骨支持装置であって、以下の:
装置の拡張状態では、骨の骨内インプラント空洞を充填するための少なくとも1つの予備成形されたバルクブロックであって、前記予備成形されたバルクブロックは、所定の経路に沿って移動でき、前記装置の非拡張状態に対して前記装置の拡張状態で突出し、かつ、以下の
前記骨に作用する荷重を支持する荷重支持表面;
予備成形された固定具とインタフェースする固定インタフェースであって、インタフェースする場合、前記骨支持装置の拡張状態では、荷重に対して、予備成形されたブロックを保持し、前記装置が拡張状態から非拡張状態へ折り畳まれるのを防止する固定インタフェース;
を含む、予備成形されたバルクブロック:
を含む、装置。 - 前記予備成形されたバルクブロックを少なくとも2つ含み、前記拡張状態における前記バルクブロックの結合体積は、前記非拡張状態における前記結合体積よりも大きい、請求項1に記載の装置。
- 前記予備成形されたバルクブロックを少なくとも2つ含み、前記バルクブロックは以下の:
荷重支持表面が設けられた荷重対向側に面する荷重対向ブロック;及び
前記荷重対向ブロックの他の側に設けられた密閉ブロックであって、前記密閉ブロックは、前記荷重支持表面から離れる方向に指向する骨インタフェース表面を備える、密閉ブロック
を含み、かつ、
前記バルクブロックは、前記荷重支持表面からインタフェース表面へ、又はその逆の方向に移動できる、
請求項1又は2に記載の装置。 - 第1の前記バルクブロックは、非拡張状態では第2の前記バルクブロックを通って延び、前記装置が拡張されると、前記第2のバルクブロックから及び/又はその逆に移動する、請求項2又は3に記載の装置。
- 前記バルクブロックには各々、複数のリブを備えた櫛形のブロック間隙側面があり、前記ブロックの前記リブは、非拡張状態では交差嵌合する、請求項4に記載の装置。
- 前記ブロックのうちの少なくとも1つには、スロット内の前記ブロック間隙側面の少なくとも部分を分割するリブがあり、前記ブロックの他の少なくとも1つには、前記スロット内に延在する多孔質要素があり、前記リブは、前記装置の長手方向に延在する、請求項2~5のいずれか一項に記載の装置。
- 前記密閉ブロックは、単位セルの第1のマトリクスを含み、前記荷重対向ブロックは、単位セルの第2のマトリクスを含み、前記第1のマトリクスは、前記第2のマトリクスの少なくとも第2の重複部分と重複する第1の重複部分を含み、前記第1の重複部分は、前記第2のマトリクスを貫通して延在し、前記第1のマトリクスと前記第2のマトリクスは、互いに相対的に移動可能であり、前記ブロックの組み合わされた形状を変化させる、請求項3~6のいずれか一項に記載の装置。
- 前記多孔質要素は、前記第1及び第2のマトリクスのパネル状サブマトリクスであり、場合によっては、前記リブは、前記スロットが連絡する通路を備える、請求項6又は7に記載の装置。
- 前記第1の重複部分において、各セルは、セルの表面の端部を形成する支柱を備え、前記支柱のうち、前記バルクブロックの移動方向に対して横方向に延びる横方向の支柱がすべて遮断され、第2の重複部分を通過できる、請求項7又は8に記載の装置。
- 前記支柱は、移動方向に延びる平行支柱を含み、前記平行支柱は、遮断されない、請求項9に記載の装置。
- 前記第2の重複部分は、各セルが開口面で形成され、その端部が支柱の連続した囲いによって画定される部分マトリクスを含み、
前記第2の重複部分は、非拡張状態で密閉ブロックの中断支柱を貫通して延在する、
請求項7~10のいずれか一項に記載の装置。 - 所定の経路に沿って前記バルクブロックの移動を作動させるアクチュエータと係合するアクチュエータインタフェース、及び
前記バルクブロックがそれに沿って移動できる予め画定されたパスを画定するガイド
を備える、請求項1~11のいずれか一項に記載の装置。 - 少なくとも2つのバルクブロックを備える請求項1~12のいずれか一項に記載の装置であって、前記バルクブロックは、初期位置から互いに離れて移動して、装置を拡張することができ、かつ、固定インタフェースによって定義されるバルクブロック間のブロック間隙を形成し;ここで、
予備成形された固定具は、予備成形された固定ブロックを含み、ブロック間隙内に滑り込み、バルクブロック間のブロック間隙内に配置されると、バルクブロックが互いに対向して移動するのを阻止する、装置。 - 前記拡張状態における前記結合体積及び前記非拡張状態における前記結合体積の比が、最大2である請求項2に記載の装置及び、場合によっては、請求項3~13のいずれか一項に記載の装置。
- 骨の崩壊を治療又は予防するための、請求項1~14のいずれか一項に記載の装置。
- 椎体内に経皮的に配置するために寸法決めされた、請求項1~15のいずれか1項に記載の装置。
- 予備成形されたバルクブロック、予備成形された固定具からなる群の少なくとも1つの部材が、外表面が多孔質及び/又はバルク部分が多孔質である、請求項1~16のいずれか一項に記載の装置。
- 前記バルクブロックが移動可能に取り付けられたフレームをさらに備え、前記ガイドが、前記バルクブロックがそれに沿って移動できる前記フレームの少なくとも1つのロッドを備え、前記ロッドは、前記バルクブロックの移動方向に延在し、第1のロッド端部及び第2のロッド端部を備え、前記ロッド端部は、前記バルクブロックの移動範囲を画定する、請求項1~17のいずれか一項に記載の装置。
- 前記予備成形された固定具は、互いに移動可能な固定ブロックを含み、前記固定ブロックは各々、前記バルクブロックの各突起端部と接触すると、前記バルクブロックの軸方向に互いに移動するときに、前記バルクブロックを半径方向外側に押す力を前記バルクブロック3、4の前記軸方向の端部に作用させるように配置されたインプラント対向側面を備える、請求項1~18のいずれか一項に記載の装置。
- 包装材であって、包装材、請求項1~18のいずれか一項に記載の装置及び、哺乳動物の骨手術の方法で前記部材を用いる説明書又は前記部材の有用性の表示を備える、パッケージ。
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US6127597A (en) * | 1997-03-07 | 2000-10-03 | Discotech N.V. | Systems for percutaneous bone and spinal stabilization, fixation and repair |
US8328818B1 (en) * | 2007-08-31 | 2012-12-11 | Globus Medical, Inc. | Devices and methods for treating bone |
ES2659719T3 (es) | 2009-03-12 | 2018-03-19 | Vexim | Aparato para la restauración ósea de la columna vertebral |
WO2010132841A1 (en) * | 2009-05-14 | 2010-11-18 | Stout Medical Group, L.P. | Expandable support device and method of use |
US10806596B2 (en) * | 2009-10-15 | 2020-10-20 | Globus Medical, Inc. | Expandable fusion device and method installation thereof |
US8535380B2 (en) * | 2010-05-13 | 2013-09-17 | Stout Medical Group, L.P. | Fixation device and method |
US11304818B2 (en) * | 2013-03-13 | 2022-04-19 | Life Spine, Inc. | Expandable spinal interbody assembly |
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WO2020209722A1 (en) | 2020-10-15 |
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