JP2013505793A5 - - Google Patents

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JP2013505793A5
JP2013505793A5 JP2012531097A JP2012531097A JP2013505793A5 JP 2013505793 A5 JP2013505793 A5 JP 2013505793A5 JP 2012531097 A JP2012531097 A JP 2012531097A JP 2012531097 A JP2012531097 A JP 2012531097A JP 2013505793 A5 JP2013505793 A5 JP 2013505793A5
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electrode
leadless biostimulator
leadless
housing
biostimulator according
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JP2013505793A (ja
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  1. リードレス生体刺激装置であって、
    人間の心臓内または心臓上に植え込まれるように適合され、１．５ｃｍ３未満の総体積を有するハウジングと、
    前記ハウジングに結合された第１の電極及び第２の電極と、
    前記ハウジング内に配置され、前記第１及び第２の電極に電気的に結合され、かつ電気パルスを発生させて前記第１及び第２の電極によって心臓組織に伝えるように構成されたパルス発生器と、
    前記ハウジング内に配置され、前記パルス発生器に結合され、かつ電気パルス発生のためのエネルギーを供給するように構成された電池とを含むことを特徴とするリードレス生体刺激装置。
  2. 前記ハウジングの前記総体積が１．１ｃｍ３未満であることを特徴とする請求項１に記載のリードレス生体刺激装置。
  3. 前記第１の電極が前記第２の電極から２ｃｍ未満離間されていることを特徴とする請求項１に記載のリードレス生体刺激装置。
  4. 前記第１の電極がぺーシング／センシング電極を含むことを特徴とする請求項１に記載のリードレス生体刺激装置。
  5. 前記第２の電極がリターン電極を含むことを特徴とする請求項４に記載のリードレス生体刺激装置。
  6. 前記第１及び第２の電極が各々、ぺーシング／センシング電極を含むことを特徴とする請求項１に記載のリードレス生体刺激装置。
  7. 前記第１の電極がフレキシブル部材上に配置されていることを特徴とする請求項１に記載のリードレス生体刺激装置。
  8. 前記フレキシブル部材が固定用へリックスを含むことを特徴とする請求項７に記載のリードレス生体刺激装置。
  9. 少なくとも部分的に絶縁体でコーティングされている固定用へリックスをさらに含み、
    前記第１の電極が、前記固定用へリックスのコーティングされていない部分を含むことを特徴とする請求項１に記載のリードレス生体刺激装置。
  10. 前記第２の電極が缶電極を含むことを特徴とする請求項１に記載のリードレス生体刺激装置。
  11. 前記第１の電極が低分極コーティングを含むことを特徴とする請求項１に記載のリードレス生体刺激装置。
  12. 前記第２の電極が低分極コーティングを含むことを特徴とする請求項１に記載のリードレス生体刺激装置。
  13. 前記第１の電極と前記第２の電極との間に配置された絶縁体をさらに含むことを特徴とする請求項１に記載のリードレス生体刺激装置。
  14. 前記絶縁体が、前記ハウジングのコーティングされた部分であることを特徴とする請求項１３に記載のリードレス生体刺激装置。
  15. 前記第１の電極が、前記絶縁体上に配置されていることを特徴とする請求項１３に記載のリードレス生体刺激装置。
  16. リードレス生体刺激装置であって、
    人間の心臓内または心臓上に植え込まれるように適合されたハウジングと、
    前記ハウジングに結合された第１の電極及び第２の電極と、
    前記ハウジング内に配置され、前記第１及び第２の電極に電気的に結合され、かつ電気パルスを発生させて前記第１及び第２の電極によって心臓組織に伝えるように構成されたパルス発生器と、
    前記ハウジング内に配置され、前記パルス発生器に結合され、かつ電気パルス発生のためのエネルギーを供給するように構成された電池とを含み、
    前記第１の電極から前記第２の電極へ向かい前記パルス発生器を通って前記第１の電極に戻るリード経路によって画定されるループ面積が、１ｃｍ２未満であることを特徴とするリードレス生体刺激装置。
  17. 前記ループ面積が０．７ｃｍ２未満であることを特徴とする請求項１６に記載のリードレス生体刺激装置。
  18. 前記第１の電極と前記第２の電極との間の経路長が１０ｃｍ未満であることを特徴とする請求項１６に記載のリードレス生体刺激装置。
  19. 前記経路長が２ｃｍ未満であることを特徴とする請求項１８に記載のリードレス生体刺激装置。
  20. 前記ハウジングが１．５ｃｍ３未満の総体積を有することを特徴とする請求項１６に記載のリードレス生体刺激装置。
  21. 前記ハウジングが１．１ｃｍ３未満の総体積を有することを特徴とする請求項１６に記載のリードレス生体刺激装置。
  22. 前記第１の電極がぺーシング／センシング電極を含むことを特徴とする請求項１６に記載のリードレス生体刺激装置。
  23. 前記第２の電極がリターン電極を含むことを特徴とする請求項２２に記載のリードレス生体刺激装置。
  24. 前記第１の電極が固定用へリックスを含むことを特徴とする請求項１６に記載のリードレス生体刺激装置。
  25. 前記第１の電極が缶電極を含むことを特徴とする請求項１６に記載のリードレス生体刺激装置。
  26. 前記第１の電極が低分極コーティングを含むことを特徴とする請求項１６に記載のリードレス生体刺激装置。
  27. 前記第２の電極が低分極コーティングを含むことを特徴とする請求項１６に記載のリードレス生体刺激装置。
  28. 前記第１の電極と前記第２の電極との間に配置された絶縁体をさらに含むことを特徴とする請求項１６に記載のリードレス生体刺激装置。
  29. 前記第１の電極が前記絶縁体上に配置されていることを特徴とする請求項２８に記載のリードレス生体刺激装置。
  30. リードレス生体刺激装置であって、
    人間の心臓内または心臓上に植え込まれるように適合されたハウジングと、
    前記ハウジングに結合された第１の電極及び第２の電極と、
    ハウジング内に配置され、前記第１及び第２の電極に電気的に結合され、かつ電気パルスを発生させて前記第１及び第２の電極によって心臓組織に伝えるように構成されたパルス発生器と、
    前記ハウジング内に配置され、前記パルス発生器に結合され、かつ電気パルス発生のためのエネルギーを供給するように構成された電池とを含み、
    前記リードレス生体刺激装置が、ＭＲＩ検査中に前記リードレス生体刺激装置内の信号を減少させるかまたは排除するための減衰装置を含まずに、前記ＭＲＩ検査中に前記人間の心臓内または心臓上で安全に操作できるように構成されていることを特徴とするリードレス生体刺激装置。
  31. 前記減衰装置がＲＦフィルタであることを特徴とする請求項３０に記載のリードレス生体刺激装置。
  32. 前記減衰装置が光ファイバーケーブルであることを特徴とする請求項３０に記載のリードレス生体刺激装置。
  33. 前記減衰装置が分離システムであることを特徴とする請求項３０に記載のリードレス生体刺激装置。
  34. 前記減衰装置が帯域消去フィルタであることを特徴とする請求項３０に記載のリードレス生体刺激装置。
  35. 前記リードレス生体刺激装置がリードスイッチを含まないことを特徴とする請求項３０に記載のリードレス生体刺激装置。
JP2012531097A 2009-09-28 2010-09-27 Ｍｒｉと併用可能なリードレス心臓ペースメーカー Pending JP2013505793A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/568,513 US20110077708A1 (en) 2009-09-28 2009-09-28 MRI Compatible Leadless Cardiac Pacemaker
US12/568,513 2009-09-28
PCT/US2010/050367 WO2011038330A1 (en) 2009-09-28 2010-09-27 Mri compatible leadless cardiac pacemaker

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JP2013505793A JP2013505793A (ja) 2013-02-21
JP2013505793A5 true JP2013505793A5 (ja) 2013-10-17

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US (2) US20110077708A1 (ja)
EP (1) EP2470263A4 (ja)
JP (1) JP2013505793A (ja)
CN (1) CN102711908A (ja)
WO (1) WO2011038330A1 (ja)

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