JP2013525084A5 - - Google Patents

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JP2013525084A5
JP2013525084A5 JP2013510116A JP2013510116A JP2013525084A5 JP 2013525084 A5 JP2013525084 A5 JP 2013525084A5 JP 2013510116 A JP2013510116 A JP 2013510116A JP 2013510116 A JP2013510116 A JP 2013510116A JP 2013525084 A5 JP2013525084 A5 JP 2013525084A5
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atrial
circuit
pulse
charge storage
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  1. 心房性不整脈治療装置であって、
    患者の心房に近接して植え込まれ、非近接場パルスを送達するように構成されている少なくとも1つの電極と、
    前記患者の心房に近接して植え込まれ、近接場パルスを送達し、かつ心臓信号を検出するように構成されている少なくとも1つの電極と、
    患者体内に植え込まれ、前記電極に動作可能に連結されるように構成されている植え込み型治療発生器であって、
    心房活動および心室活動を表す心臓信号を検出するセンシング回路と、
    前記センシング回路に動作可能に連結された検出回路であって、心房活動を表す心臓信号を評価して心房周期長を決定し、当該心房周期長に少なくとも部分的に基づいて心房性不整脈を検出する検出回路と、
    前記センシング回路に動作可能に接続された制御回路であって、前記心房性不整脈に応答して3段階の電気的心房除細動治療の生成および前記電極への選択的送達を制御し、各段階は、100〜400ミリ秒の段階間遅延を有し、当該3段階の電気的心房除細動治療中に前記心房性不整脈の変換の確認は行われないものである、前記制御回路と、
    前記電極および前記制御回路に動作可能に接続された治療回路であって、
    前記少なくとも1つの非近接場電極に選択的に連結され、前記3段階の電気的心房除細動治療のうち第1の段階のエネルギーを選択的に蓄積する少なくとも1つの第1段階電荷蓄積回路であって、前記第1の段階は、少なくとも2回かつ10回未満の二相性電気的心房除細動パルスであって、10ボルトを超え100ボルト未満であり、パルス持続時間が10ミリ秒未満およびパルス連結期が20〜50ミリ秒である、前記二相性電気的心房除細動パルスを有するものであり、かつ前記第1の段階は、前記心房性不整脈の周期長の2倍未満の全持続時間を有し、心室不応期中に送達され、各二相性電気的心房除細動パルスのエネルギーは0.1ジュール未満であり、これにより前記心房性不整脈に伴う1若しくはそれ以上の特異点が抜錨されるものである、前記少なくとも1つの第1段階電荷蓄積回路と、
    前記少なくとも1つの非近接場電極に選択的に連結され、前記3段階の電気的心房除細動治療のうち第2の段階を選択的に蓄積する少なくとも1つの第2段階電荷蓄積回路であって、前記第2の段階は、心室非近接場興奮閾値未満であり、少なくとも5回かつ10回未満の非近接場パルスであって、パルス持続時間が5ミリ秒を超え20ミリ秒未満であり、パルス連結期が前記心房性不整脈の周期長の70〜90%である非近接場パルスを有するものであり、かつ前記第2の段階は、前記第1の段階により抜錨された前記心房性不整脈に伴う1若しくはそれ以上の特異点の再定在化を防止するものである、前記少なくとも1つの第2段階電荷蓄積回路と、
    前記近接場電極に選択的に連結され、前記3段階の電気的心房除細動治療の第3の段階を選択的に蓄積する少なくとも1つの第3段階電荷蓄積回路であって、前記第3の段階は、10ボルト未満であり、少なくとも5回かつ10回未満の近接場パルスであって、パルス持続時間が0.2ミリ秒を超え5ミリ秒未満であり、パルス連結期が前記心房性不整脈の周期長の70〜90%である近接場パルスを有するものであり、かつ前記第3の段階は、前記第1の段階により抜錨され、前記第2の段階により再定在化が防止された前記心房性不整脈に伴う1若しくはそれ以上の特異点を沈静化するものである、前記少なくとも1つの第3段階電荷蓄積回路と
    を含むものである、前記治療回路と、
    前記センシング回路、前記検出回路、前記制御回路、および前記治療回路に動作可能に連結され、これらの回路に給電を行う電池システムと
    を含むものである、前記植え込み型治療発生器と
    を有する心房性不整脈治療装置。
  2. 請求項1記載の装置において、前記第1の電荷蓄積回路は、少なくとも1つの出力キャパシタ構成と、前記電池システムに電気的に連結されて前記少なくとも1つの出力キャパシタ構成を充電する高電圧変圧器とを含むものである装置。
  3. 請求項1記載の装置において、前記第1の電荷蓄積回路は、少なくとも1つの出力キャパシタ構成と、前記電池システムに電気的に連結されて前記少なくとも1つの出力キャパシタ構成を充電するチャージポンプとを含むものである装置。
  4. 請求項1記載の装置において、前記第2の電荷蓄積回路および第3の電荷蓄積回路は、単一の低電圧出力キャパシタ構成と、当該単一の低電圧出力キャパシタ構成と前記非近接場電極と前記近接場電極との間のスイッチング回路とを含むものである装置。
  5. 請求項1記載の装置において、前記制御回路は、前記電極に動作可能に接続されて二相性パルスの送達を可能にするHブリッジスイッチング回路を含むものである装置。
  6. 請求項1記載の装置において、前記制御回路は、前記3段階の電気的心房除細動治療の送達を制御して、1つの前記第1の段階、1つの前記第2の段階、および1つの前記第3の段階を順次送達するものである装置。
  7. 請求項1記載の装置において、前記制御回路は、前記3段階の電気的心房除細動治療の送達を制御して、1つの前記第1の段階、1つの前記第2の段階、1つの前記第1の段階、1つの前記第2の段階、および1つの前記第3の段階とを順次送達するものである装置。
  8. 請求項1記載の装置において、当該装置および前記少なくとも2つのリードは、少なくとも4つの非近接場電極を含み、前記制御回路は、前記非近接場電極の組み合わせを選択的に興奮させて異なる個々の前記非近接場電極間に複数の異なる電場を生成し、前記少なくとも1つの第1段階電荷蓄積回路および前記少なくとも1つの第2段階電荷蓄積回路により生成される位相性抜錨非近接場治療として電場のローテーションセットを送達するように構成されるものである装置。
  9. 請求項1記載の装置において、前記制御回路は、当該装置が植え込まれた患者のフィードバックに応答してプログラムされた各前記段階のパルス用の治療パラメータセットに基づいて、前記第1の段階、前記第2の段階、および前記第3の段階の各々を送達して、前記患者の心房不整脈の効果的治療を、前記患者が耐えられる痛覚で提供するものである装置。
  10. 請求項9記載の装置において、前記制御回路は、前記3段階の電気的心房除細動治療の効果に応答して各前記段階のパルス用の前記治療パラメータセットの設定を動的に修正するヒューリスティックな学習アルゴリズムによりプログラムされたマイクロプロセッサを有するものである装置。
JP2013510116A 2010-05-07 2011-04-22 3段階の電気的心房除細動治療のための方法および装置 Expired - Fee Related JP5775153B2 (ja)

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US12/776,196 2010-05-07
US12/776,196 US8560066B2 (en) 2007-12-11 2010-05-07 Method and device for three-stage atrial cardioversion therapy
PCT/US2011/033547 WO2011139596A2 (en) 2010-05-07 2011-04-22 Method and device for three-stage atrial cardioversion therapy

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CN (1) CN103002948B (ja)
CA (1) CA2798956C (ja)
ES (1) ES2661570T3 (ja)
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