JP2016202974A - 非侵襲性診断システム及び方法 - Google Patents
非侵襲性診断システム及び方法 Download PDFInfo
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- JP2016202974A JP2016202974A JP2016174550A JP2016174550A JP2016202974A JP 2016202974 A JP2016202974 A JP 2016202974A JP 2016174550 A JP2016174550 A JP 2016174550A JP 2016174550 A JP2016174550 A JP 2016174550A JP 2016202974 A JP2016202974 A JP 2016202974A
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Abstract
【解決手段】本発明の方法は、一実施形態において、患者固有の骨の三次元モデルを作成する段階と、患者の実際の骨を患者固有の骨モデルと位置合わせする段階と、所定範囲の運動を行う患者の骨の運動を追跡する段階と、損傷を診断するために患者の骨の運動を骨運動データを有するデータベースと比較する段階とを有する。上記データベースは、検証済みの診断データと組み合わせた骨運動データを有する。
【選択図】図4
Description
本出願は、2009年2月2日に出願した「NONINVASIVE DIAGNOSTIC SYSTEM」と題された米国特許出願第12/364,267号の優先権を主張するものであり、その開示の全体が参照により本明細書に組み込まれている。
(1) v(n+1)=v(n)+a(n)dt
(2) s(n+1)=s(n)+v(n)dt-0.5a(n)dt2
が4つの加速度計の位置を使用して計算され、
式中、s(n+1)は現在状態の位置であり、s(n)は前の状態からの位置であり、v(n+1)は現在状態の瞬間速度であり、v(n)は前の状態からの速度であり、a(n)は加速度計からの加速度であり、dtはサンプリング時間間隔である。前の式は、三次元ユークリッド空間内の1つの点の動的運動および測位を記述したものである。三次元物体の配向および運動を記述するためには、さらに情報が必要である。
102 振動関節造影モジュール(VM)
104 運動様式モジュール
104 接触力モジュール(CFM)
106 運動様式モジュール(KM)
108 コンピュータ
110 ニューラルネットワーク
112 画像表示ディスプレイ
102 振動関節造影モジュール(VM)
120 加速度計
120A 加速度計
120B 第2の加速度計
120C 第3の加速度計
122 信号調整回路
124 無線送信機
130 圧力センサー
132 中敷き
134 靴
140 超音波発生および測位サブモジュール
142 超音波位置合わせサブモジュール
144 超音波動的移動サブモジュール
150 Aモード超音波トランスデューサ
152 超音波ワンド
158 Aモード超音波トランスデューサ
158A,158B トランスデューサグループ
170 測位デバイス
170 送信機
171 無線送信機
172 UWB受信機
190 膝装具
200 測位デバイス
202 UWB受信機
210 超広帯域(UWB)送信機
Claims (10)
- 筋骨格システムの部分の三次元患者固有仮想モデルを生成するためにコンピュータを動作させる方法であって、前記方法は、
コンピュータによって、前記筋骨格システムの前記部分の複数の位置にわたって移動する超音波トランスデューサから超音波反射の時間及び大きさを表す電気信号を取得するステップと、
前記コンピュータによって、前記超音波トランスデューサが前記筋骨格システムの前記部分の前記複数の位置にわたって移動することに従って、前記超音波トランスデューサの複数の三次元位置を表す電気信号を取得するステップと、
前記コンピュータによって、前記取得された電気信号を使用して、前記筋骨格システムの前記部分のための三次元点モデルを生成するステップと、
前記コンピュータによって、前記筋骨格システムの前記部分の三次元患者固有仮想モデルを生成するために、前記三次元点モデルを使用してデフォルト三次元組織モデルを変形するステップと
を含む方法。 - 前記超音波トランスデューサの前記複数の三次元位置を表す前記電気信号は、前記超音波トランスデューサと関連する光センサーから得られる、請求項1に記載の方法。
- 前記超音波トランスデューサの前記複数の三次元位置を表す前記電気信号は、前記超音波トランスデューサと関連する慣性計測ユニットから得られる、請求項1に記載の方法。
- 前記超音波トランスデューサの前記複数の三次元位置を表す前記電気信号は、前記超音波トランスデューサと関連する超広帯域送信機から得られる、請求項1に記載の方法。
- 前記コンピュータによって、前記電気信号を取得しながら、一定範囲の運動にわたって前記筋骨格システムの前記部分の三次元位置を追跡するステップであって、前記筋骨格システムの前記部分は、関節の骨を含む、ステップと、
前記コンピュータによって、前記筋骨格システムの前記関節の第1の骨の三次元患者固有仮想モデルを生成するステップを含む、前記三次元患者固有仮想モデルを生成するステップと、
前記コンピュータによって、前記筋骨格システムの前記関節の第2の骨の三次元患者固有仮想モデルを生成するステップを含む、前記三次元患者固有仮想モデルを生成するステップと、
前記コンピュータによって、前記一定範囲の運動にわたって前記関節の前記第1の骨及び前記第2の骨の三次元患者固有仮想動的モデルを生成するステップであって、前記第1の骨の前記三次元患者固有仮想動的モデルの前記位置は、前記一定範囲の運動にわたる前記第2の骨の前記三次元患者固有仮想動的モデルの前記位置に対して変化する、ステップと
をさらに含む、請求項1に記載の方法。 - 前記コンピュータによって、前記筋骨格システムの前記部分の三次元位置を表す電気信号を取得するステップをさらに含む、請求項1に記載の方法。
- 前記コンピュータのユーザーは、複数のデフォルト三次元組織モデルから前記デフォルト三次元組織モデルを選択する、請求項1に記載の方法。
- 前記コンピュータによって、前記三次元点モデルを生成するステップは、前記超音波トランスデューサが前記筋骨格システムの前記部分の前記複数の位置にわたって移動されるときにリアルタイムで発生する、請求項1に記載の方法。
- 前記コンピュータによって、前記三次元患者固有仮想モデルを生成するために、前記三次元点モデルを使用して前記デフォルト三次元組織モデルを変形するステップは、前記三次元患者固有仮想モデルを生成するために解剖学的データベースと組み合わせてモーフィングアルゴリズムを使用するステップを含む、請求項1に記載の方法。
- 前記コンピュータによって、前記筋骨格システムの前記部分の前記三次元患者固有仮想モデルを生成するために、前記三次元点モデルを使用して前記デフォルト三次元組織モデルを変形する前記ステップは、関節の複数の骨のそれぞれについて繰り返される、請求項1に記載の方法。
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