JPWO2021102448A5 - - Google Patents

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JPWO2021102448A5
JPWO2021102448A5 JP2022529892A JP2022529892A JPWO2021102448A5 JP WO2021102448 A5 JPWO2021102448 A5 JP WO2021102448A5 JP 2022529892 A JP2022529892 A JP 2022529892A JP 2022529892 A JP2022529892 A JP 2022529892A JP WO2021102448 A5 JPWO2021102448 A5 JP WO2021102448A5
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Japan
Prior art keywords
current
electrode
neuromodulation
neuromodulation device
blocking capacitor
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Pending
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JP2022529892A
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JP2023502505A (ja
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Priority claimed from PCT/US2020/062077 external-priority patent/WO2021102448A1/en
Publication of JP2023502505A publication Critical patent/JP2023502505A/ja
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Claims (20)

  1. 単一アーキテクチャを用いて複数の電気変調モードで動作するように構成されたニューロモジュレーションデバイスであって、
    電源と、
    制御ユニットと、
    少なくとも1つの作用電極に接続されるように構成された双極性電流発生器と、
    刺激回路であって、直流を阻止するように構成された少なくとも1つの阻止コンデンサ、少なくとも1つの不関電極と電気的に連通するように構成された少なくとも1つの不関電極スイッチ、および少なくとも1つの阻止コンデンサをバイパスするために電気的に連通する少なくとも1つの阻止コンデンサスイッチを備える、刺激回路と
    を備え、
    当該デバイスは、前記電流発生器が前記少なくとも1つの作用電極に交流を供給するように構成される、第1の刺激モードと、前記電流発生器が前記少なくとも1つの作用電極に直流を供給するように構成される、第2の刺激モードとを含み、両リターン電極が前記不関電極を通じて吸収され、
    前記第1の刺激モードにおいて、前記制御ユニットが、第2の作用電極を通るように別の電流発生器を構成し、前記少なくとも1つの不関電極スイッチに、前記電流発生器と前記少なくとも1つの不関電極との間の電気的連通をディスエーブルさせ、少なくとも1つの阻止コンデンサが、直流を阻止するために機能し、
    前記第2の刺激モードにおいて、オフセット電流が前記不関電極スイッチを通過して前記不関電極に向かうように構成されるように、前記2つの電流発生器が構成され、かつ前記制御ユニットが、少なくとも2つの阻止コンデンサスイッチに、前記電流発生器と前記少なくとも1つの阻止コンデンサとの間の電気的連通をディスエーブルさせ、それにより、前記少なくとも2つの阻止コンデンサをバイパスさせる、
    ニューロモジュレーションデバイス。
  2. 前記直流が超低周波電流を含む、請求項1に記載のニューロモジュレーションデバイス。
  3. 前記超低周波電流が約5Hz未満である、請求項2に記載のニューロモジュレーションデバイス。
  4. 前記超低周波電流が約2Hz未満である、請求項2に記載のニューロモジュレーションデバイス。
  5. 前記超低周波電流が約1Hz未満である、請求項2に記載のニューロモジュレーションデバイス。
  6. 前記交流が高周波交流である、請求項1に記載のニューロモジュレーションデバイス。
  7. 前記高周波交流が少なくとも約1kHzである、請求項6に記載のニューロモジュレーションデバイス。
  8. 前記交流が約5Hzから約1kHzの間である、請求項1に記載のニューロモジュレーションデバイス。
  9. 前記電源がバッテリを備える、請求項1に記載のニューロモジュレーションデバイス。
  10. 前記制御ユニットが、独立したアルゴリズムを実行するように構成された第1の制御ユニットおよび第2の制御ユニットを備える、請求項1に記載のニューロモジュレーションデバイス。
  11. 前記デバイスが前記第2の刺激モードにあるときに前記オフセット電流を測定するように構成される、請求項1に記載のニューロモジュレーションデバイス。
  12. 前記少なくとも1つの作用電極の周期的Vppを測定するように構成される、請求項1に記載のニューロモジュレーションデバイス。
  13. 前記不関電極に動作可能に接続されるように構成された仮想グランドをさらに備え、その場合、前記仮想グランドが、電力消費を最小限に抑えるために任意のレベルに設定され得る、請求項1に記載のニューロモジュレーションデバイス。
  14. (a)不関電極からのバイアス電流を測定し、前記バイアス電流が事前設定パラメータ外に逸脱する場合、動作を一時停止または変更するように構成された制御システム、
    (b)任意の作用電極対間、作用電極とリファレンス電極との間、および作用電極と不関電極との間の電極電圧を測定するように構成された制御システム、
    (c)波形遷移に関連して電極モニタリングを解決するように構成された制御システム、ならびに
    (d)電極特性に基づく統計学的解析を受ける電極電圧の全体または成分に関するデータを受信するように構成された制御システム
    からなる群から選択される軽減メカニズムのうちの1つまたは複数を備える、請求項1に記載のニューロモジュレーションデバイス。
  15. 全ての前記軽減メカニズムを備える、請求項14に記載のニューロモジュレーションデバイス。
  16. ニューロモジュレーション療法デバイスを利用して患者の電気的興奮性組織に電気的ニューロモジュレーションを送達する方法であって、
    前記電気的興奮性組織と電気的に連通する少なくとも1つの作用電極に交流を供給するステップ
    を含み、
    交流を供給するステップが、前記ニューロモジュレーション療法デバイスの少なくとも1つの阻止コンデンサを利用して直流を阻止するステップと、前記ニューロモジュレーション療法デバイスと少なくとも1つの不関電極との間の電気的連通を妨げるステップとを含む、
    方法。
  17. 交流の供給を中断するステップと、
    前記少なくとも1つの作用電極に直流を供給するステップと、前記少なくとも1つの不関電極にオフセット電流を供給するステップと
    をさらに含み、
    直流を供給するステップが、前記ニューロモジュレーション療法デバイスの前記少なくとも1つの阻止コンデンサをバイパスするステップを含む、
    請求項16に記載の方法。
  18. 前記少なくとも1つの作用電極への直流の供給を中断するステップと、前記少なくとも1つの作用電極への交流の供給を再開するステップとをさらに含み、交流の供給を再開するステップが、前記ニューロモジュレーション療法デバイスの前記少なくとも1つの阻止コンデンサを利用して直流を阻止するステップと、前記ニューロモジュレーション療法デバイスと少なくとも1つの不関電極との間の電気的連通を妨げるステップとを含む、請求項16または17に記載の方法。
  19. 直流が超低周波電流を含む、請求項16または17に記載の方法。
  20. 前記超低周波電流が約5Hz未満である、請求項19に記載の方法。
JP2022529892A 2019-11-24 2020-11-24 パルス発生および刺激エンジンシステム Pending JP2023502505A (ja)

Applications Claiming Priority (5)

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US201962939666P 2019-11-24 2019-11-24
US62/939,666 2019-11-24
US202062965772P 2020-01-24 2020-01-24
US62/965,772 2020-01-24
PCT/US2020/062077 WO2021102448A1 (en) 2019-11-24 2020-11-24 Pulse generation and stimulation engine systems

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JP2023502505A JP2023502505A (ja) 2023-01-24
JPWO2021102448A5 true JPWO2021102448A5 (ja) 2023-12-04

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US (2) US11730964B2 (ja)
EP (1) EP4061476A4 (ja)
JP (1) JP2023502505A (ja)
AU (1) AU2020388662A1 (ja)
CA (1) CA3159302A1 (ja)
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