JP6901471B2 - 骨組織に移植するためのシステム及び方法 - Google Patents
骨組織に移植するためのシステム及び方法 Download PDFInfo
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- A61B17/7098—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants wherein the implant is permeable or has openings, e.g. fenestrated screw
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- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
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Description
光導波路と統合された生体適合性kワイヤであって、光導波路の遠位端がスクリュの先端付近に位置し、導波路の近位端が光を送受信可能な光学コンソールに接続される、生体適合性kワイヤと、導波路の遠位端に少なくとも部分的に覆われた、圧力を加えると色が変わる感圧性材料と、導波路に光を送信可能で、変色材料とスクリュ先端付近の組織と相互作用した光を受信し得るコンソールと、コンソールに接続されたモニタであって、コンソールは、変色材料の色に基づき、受信した光を(1)組織特異的パラメータに変換可能で、(2)スクリュ先端で作用される圧力の量に変換可能である、モニタとを含む。
Claims (14)
- 骨組織に埋込型デバイスを移植するためのシステムであって、前記埋込型デバイスは、光伝送デバイスを受容する内部チャンバを有し、前記システムは、
前記埋込型デバイスの前方の組織によって反射された及び/又は組織内で散乱された光を受信しそのスペクトルの少なくとも一部を検出するように、前記埋込型デバイスの前記内部チャンバに受容された前記光伝送デバイスに結合される、光検出器と、
検出されたスペクトルから前記組織の脂肪含有量を示すパラメータを計算する計算ユニットと、
前記脂肪含有量を示す計算された前記パラメータを所定値と比較し、前記比較の結果を示す信号を出力するナビゲーションユニットと
を含む、システム。 - 前記脂肪含有量を示す前記計算されたパラメータが前記所定値未満であることを前記比較の前記結果が示す場合、前記ナビゲーションユニットは、骨の硬質シェル部分に到達したことを示す警告を、前記システムのユーザに出力する、
請求項1に記載のシステム。 - 前記骨組織タイプが既知である前記埋込型デバイスの位置で検出されたスペクトルに基づき、前記所定値を設定する決定ユニット
をさらに含む、請求項1に記載のシステム。 - 前記埋込型デバイスに隣接する組織の電気インピーダンスを測定するためのプローブアレンジメントと、
前記プローブアレンジメントを操作するための操作ユニットとをさらに含み、
前記ナビゲーションユニットは、さらに、前記操作ユニットの前記操作から前記組織の特徴及び/又は前記組織のタイプを決定する、
請求項1に記載のシステム。 - 前記埋込型デバイスは、椎弓根スクリュであり、
前記システムは、前記椎弓根スクリュを回転させるために、椎弓根スクリュに結合される螺着具をさらに含み、
前記螺着具は、光導波路が受容される凹部又はチャネルを含む、
請求項1に記載のシステム。 - 光導波路を通って前記組織を照射するために、前記光導波路に結合された光源
をさらに含む、請求項1に記載のシステム。 - 前記埋込型デバイスと結合される流体分配ユニットをさらに含み、前記流体分配ユニットは、前記埋込型デバイスを通って前記組織内に液体を分配する、
請求項1に記載のシステム。 - 光導波路と光学的に接続する前記光伝送デバイスの遠位端に提供された感圧部をさらに含み、前記感圧部は、前記埋込型デバイスの外面の一部を形成し、
前記感圧部は、前記感圧部に加えられる圧力の量を示す光学応答を示し、
前記光検出器は、前記光学応答を検出し、
前記システムは、前記感圧部に加えられる圧力を計算し前記圧力を示す信号を出力する圧力決定ユニットをさらに含む、
請求項1に記載のシステム。 - 前記システムは、前記埋込型デバイスをさらに含み、前記感圧部は前記埋込型デバイスの一部であり、及び/又は
前記光伝送デバイスを前記埋込型デバイス内に挿入すると、前記感圧部が前記埋込型デバイスの外面の一部を形成するように前記光伝送デバイスは設けられる、
請求項8に記載のシステム。 - 前記感圧部は、ピエゾクロミック及び/又はピエゾルミネセンス材料を含む、
請求項8に記載のシステム。 - 骨組織に埋込型デバイスを移植するためのシステム用の処理ユニットであって、
組織によって反射された及び/又は組織内で散乱された光の検出されたスペクトルから前記組織の脂肪含有量を示すパラメータを計算する計算ユニットと、
前記脂肪含有量を示す計算された前記パラメータを所定値と比較し、前記比較の結果を示す信号を出力するナビゲーションユニットと
を含む、処理ユニット。 - 骨組織への埋込型デバイスの移植を補助する、光源と計算ユニットとナビゲーションユニットとを備えるシステムの作動方法であって、前記システムは、前記埋込型デバイスの前方の組織によって反射された及び/又は組織内で散乱された光を受信しそのスペクトルの少なくとも一部を検出するように、前記埋込型デバイスの内部チャンバに受容された光伝送デバイスに結合される、光検出器を備え、
前記方法は、
前記光源が、前記組織を照射するために前記光伝送デバイスの近位端から遠位端に光を伝送するステップと、
前記光検出器が、前記組織によって反射された及び/又は前記組織内で散乱された光を受信しそのスペクトルの少なくとも一部を検出するステップと、
前記計算ユニットが、前記検出されたスペクトルから前記組織の脂肪含有量を示すパラメータを計算するステップと、
前記ナビゲーションユニットが、前記脂肪含有量を示す計算された前記パラメータを所定値と比較するステップと、
前記ナビゲーションユニットが、前記比較の結果を示す信号を出力するステップと
を含む、システムの作動方法。 - 骨組織への埋込型デバイスを移植するための情報を提供する、光源と計算ユニットとナビゲーションユニットとを備えるシステムの作動方法であって、前記システムは、前記埋込型デバイスの前方の組織によって反射された及び/又は組織内で散乱された光を受信しそのスペクトルの少なくとも一部を検出するように、前記埋込型デバイスの内部チャンバに受容された光伝送デバイスに結合される、光検出器を備え、
前記光検出器が、前記組織によって反射された及び/又は前記組織内で散乱された光のスペクトルの少なくとも一部を検出するステップと、
前記計算ユニットが、検出された前記スペクトルから前記組織の脂肪含有量を示すパラメータを計算するステップと、
前記ナビゲーションユニットが、前記脂肪含有量を示す計算された前記パラメータを所定値と比較するステップと
前記ナビゲーションユニットが、前記比較の結果を示す信号を出力するステップと
を含む、システムの作動方法。 - 埋込型デバイスを移植するための情報を提供するソフトウェアであって、前記ソフトウェアは、前記ソフトウェアが処理ユニット上で実行される時に、請求項13に記載の情報を提供するシステムの作動方法のステップを、請求項11に記載の処理ユニットに実行させる、ソフトウェア。
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