JP2011521679A5 - - Google Patents

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JP2011521679A5
JP2011521679A5 JP2011509543A JP2011509543A JP2011521679A5 JP 2011521679 A5 JP2011521679 A5 JP 2011521679A5 JP 2011509543 A JP2011509543 A JP 2011509543A JP 2011509543 A JP2011509543 A JP 2011509543A JP 2011521679 A5 JP2011521679 A5 JP 2011521679A5
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Prior art keywords
outer member
inner tube
lumen
coolant
cryoablation
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JP2011509543A
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JP2011521679A (ja
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Priority claimed from PCT/US2009/042162 external-priority patent/WO2009140066A1/en
Publication of JP2011521679A publication Critical patent/JP2011521679A/ja
Publication of JP2011521679A5 publication Critical patent/JP2011521679A5/ja
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Claims (12)

  1. 基端及び先端を有し、基端と先端との間に延びる管腔を形成し、先端が冷凍アブレーション器具に連結する外側部材と、
    少なくとも一部が外側部材の管腔内に位置するとともに、組織を除去するために前記冷凍アブレーション器具に液状の冷却材を送達すべくアブレーション器具に連通する冷却材送達用の管腔を有する第1の内管と、
    第2の内管から放出される液状の冷却材が気化することにより形成された気体状の冷却材が外側部材の管腔内を流動して第1の内管により搬送される液状の冷却材を冷却すべく、外側部材の管腔内で終結する開口した先端部を有する第2の内管とを備え
    前記第1の内管及び第2の内管が、第1の内管内を流動する液状の冷却材が第1の方向に流動し、前記外側部材の管腔内を流動する気体状の冷却材が第1の方向に対向する第2の方向に流動するように構成される、冷凍アブレーション器具に送達される冷却材を冷却する装置。
  2. 第1の方向が外側部材の先端に向かう方向であり、第2の方向が外側部材の基端に向かう方向である請求項に記載の装置。
  3. 外側部材が出口を形成し、気体状の冷却材が出口を介して外側部材の管腔から排出される請求項1又は2に記載の装置。
  4. 出口が外側部材の基端を通って形成される請求項に記載の装置。
  5. 第2の内管が外側部材の管腔の大部分を通って延び、第2の内管の先端が外側部材の先端に近接し、第1の内管が外側部材を完全に貫通して延びる請求項1乃至のいずれか1項に記載の装置。
  6. 外側部材の管腔を通って延びる第3の内管を備え、使用済みの冷却材が第3の内管を介して冷凍アブレーション器具から排出されるべく第3の管が冷凍アブレーション器具に連結されている請求項1乃至のいずれか1項に記載の装置。
  7. 極低温で組織を除去する冷凍アブレーション器具と、
    冷凍アブレーション器具に連通し、冷凍アブレーション器具に冷却された液状の冷却材を提供するとともに請求項1に記載の装置を有するコンジットとを備える冷凍アブレーションシステム。
  8. 冷凍アブレーション器具が極低温バルーンカテーテルを有する請求項に記載のシステム。
  9. 外側部材内に配置された温度センサを備える請求項又はに記載のシステム。
  10. 外側部材の管腔を通って延びる第3の内管を備え、使用済みの冷却材が第3の管を介して冷凍アブレーション器具から排出されるべく第3の管が冷凍アブレーション器具に連結される請求項乃至のいずれか1項に記載のシステム。
  11. 第1の内管及び第2の内管が、第1の内管内を流動する液状の冷却材が第1の方向に流動し、外側部材の管腔内を流動する気体状の冷却材が第1の方向とは異なる第2の方向に流動するべく構成及び配置される請求項乃至10のいずれか1項に記載のシステム。
  12. 外側部材が出口を形成し、気体状の冷却材が出口を介して外側部材から排出される請求項乃至11のいずれか1項に記載のシステム。
JP2011509543A 2008-05-12 2009-04-29 冷凍アブレーションの冷却材を冷却する装置 Pending JP2011521679A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5259808P 2008-05-12 2008-05-12
US61/052,598 2008-05-12
PCT/US2009/042162 WO2009140066A1 (en) 2008-05-12 2009-04-29 Apparatus for chilling cryo-ablation coolant

Publications (2)

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JP2011521679A JP2011521679A (ja) 2011-07-28
JP2011521679A5 true JP2011521679A5 (ja) 2012-11-08

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US (2) US9028445B2 (ja)
EP (1) EP2288306A1 (ja)
JP (1) JP2011521679A (ja)
WO (1) WO2009140066A1 (ja)

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