JP2019513525A - 体内装置およびその制御方法 - Google Patents
体内装置およびその制御方法 Download PDFInfo
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Abstract
Description
1 回転子
2 モータ
3 第2の絶縁支持部材
4 給電部
5 第1の絶縁支持部材
6 PCB板
7 リードスイッチ
8 カプセルハウジング後端
9 RFアンテナ
10 モータブラケット
11 カプセルハウジング前端
21 振動モータ
24 マグネトロンリードスイッチ
201 第1の電池
202 第2の電池
231 プロセッサ
232 RFトランシーバモジュール
233 電界効果トランジスタ
234 RFアンテナ
300 磁気ベース
Claims (12)
- 第1の周波数と第1のデューティ比とで振動カプセルのカプセル運動部を起動させるステップと、
第1の加速度センサによって第1の加速度値を検出するステップと、
第1の加速度センサによって少なくとも3つの加速度値を収集して、第1のデータ群を形成するステップと、
当該第1のデータ群の第2の加速度値を認識し、当該第2の加速度値を第1の最適周波数とするステップと、
患者に快適に感じさせる振動レベルに至るまで、前記第1のデューティ比を調整するステップと、
0.5〜1時間ごとに上記検出と調整とのステップを一回繰り返して、蓄積振動時間が3時間を超えた後に、カプセルの振動を停止するステップとを含む、
ことを特徴とする振動カプセルの使用方法。 - 前記第2の加速度値は、第1のデータ群における最大値である、
ことを特徴とする請求項1に記載の使用方法。 - 前記第2の加速度値は、第1のデータ群における中央値である、
ことを特徴とする請求項1に記載の使用方法。 - 前記第2の加速度値は、第1のデータ群における平均値である、
ことを特徴とする請求項1に記載の使用方法。 - 振動カプセルのカプセルオン/オフモジュールによって、振動カプセルをオンにするステップをさらに含む、
ことを特徴とする請求項1に記載の使用方法。 - 振動カプセルの故障の有無を確認するために、所定の試験時間内において試験周波数と試験周期とで振動カプセルを作動させるステップをさらに含む、
ことを特徴とする請求項5に記載の使用方法。 - 振動カプセルが患者の消化管内に入ってから所定時間の後、振動カプセルをオンにするステップをさらに含む、
ことを特徴とする請求項5に記載の使用方法。 - 前記振動カプセルの一群のデフォルト振動パラメータを無線によって受信するステップをさらに含む、
ことを特徴とする請求項1に記載の使用方法。 - 給電部から振動モータへの電流方向を変更することで、振動カプセルの振動方向を変更するステップをさらに含む、
ことを特徴とする請求項1に記載の使用方法。 - 振動カプセルの使用方法であって、
振動カプセルを患者の消化管に導入するステップと、
患者の消化管の動きに同期する共鳴周波数で振動カプセルを移動させるステップとを含み、
前記共鳴周波数の特定は、
a)第1の周波数fと第1のデューティ比とで振動カプセルのカプセル運動部を起動させ、第1の加速度センサによって第1の加速度Afを検出するステップと、
b)第2の周波数f−mと第1のデューティ比とで振動カプセルの運動生成部を駆動し、第1の加速度センサによって第2の加速度Af−mを検出するステップと、
c)1Hz〜13Hzの周波数の範囲内でステップbとcを繰り返して、Af−nの最大値を見つけ、f−nを患者の消化管の共鳴周波数として特定するステップとを含み、ただし、1Hz<f−m<13Hz、1Hz<f−n<13Hz、0.2<|m|<1である、
ことを特徴とする振動カプセルの使用方法。 - 外部機器に用いられる、前記外部機器によって振動カプセルを制御する方法であって、
振動カプセルのカプセル運動部が第1の周波数と第1のデューティ比とで振動するように設定するステップと、
第1の加速度センサによって検出された第1の加速度値を取得するステップと、
第1の加速度センサが少なくとも3つの加速度値を収集して第1のデータ群を形成するように制御するステップと、
当該第1のデータ群の第2の加速度値を認識し、当該第2の加速度値を第1の最適周波数とするステップと、
患者に快適に感じさせる振動レベルに至るまで、前記第1のデューティ比を調整するステップと、
0.5〜1時間ごとに上記検出と調整とのステップを一回繰り返して、蓄積振動時間が3時間を超えた後に、カプセルの振動を停止するように制御するステップとを含む、
ことを特徴とする制御方法。 - 外部機器に用いられる、前記外部機器によって振動カプセルを制御する方法であって、
振動カプセルが患者の消化管の動きに同期する共鳴周波数で移動するように設定するステップを含み、
前記共鳴周波数の特定は、
a)第1の周波数fと第1のデューティ比とで振動カプセルのカプセル運動部を起動させ、第1の加速度センサによって第1の加速度Afを検出するステップと、
b)振動カプセルの運動生成部が第2の周波数f−mと第1のデューティ比とで振動するように設定し、第1の加速度センサによって第2の加速度Af−mを検出するステップと、
c)1Hz〜13Hzの周波数の範囲内でステップbとcを繰り返して、Af−nの最大値を見つけ、f−nを患者の消化管の共鳴周波数として特定するステップとを含み、ただし、1Hz<f−m<13Hz、1Hz<f−n<13Hz、0.2<|m|<1である、
ことを特徴とする制御方法。
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