JP2015536758A5 - - Google Patents

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JP2015536758A5
JP2015536758A5 JP2015546461A JP2015546461A JP2015536758A5 JP 2015536758 A5 JP2015536758 A5 JP 2015536758A5 JP 2015546461 A JP2015546461 A JP 2015546461A JP 2015546461 A JP2015546461 A JP 2015546461A JP 2015536758 A5 JP2015536758 A5 JP 2015536758A5
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suction
conduit
pump
handpiece
perfusion
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JP6612618B2 (ja
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  1. 水晶体超音波乳化吸引術用ハンドピースであって、
    遠位端および近位端を有する本体と、
    前記本体の前記遠位端に配置され、外科部位から吸引流体を吸引するように構成された超音波先端部と、
    灌流流体で前記外科部位を灌流するように構成された前記本体の前記遠位端に配置されたスリーブと、
    前記本体内に配置され、前記超音波先端部および前記スリーブと流体連通している着脱式カートリッジであって、
    前記吸引流体を含むように構成された吸引導管と、
    前記灌流流体を含むように構成された灌流導管と、を備える、着脱式カートリッジと、
    前記本体内に配置され、前記吸引導管および前記灌流導管と接続しているポンプであって、前記ポンプの作動時に、前記灌流導管内の前記灌流流体が、前記スリーブに向かい、かつ前記近位端から離れる方向に流動し、前記吸引導管内の前記吸引流体が、前記先端部から離れ、かつ前記近位端に向かう方向に流動するような、ポンプと、を備える、ハンドピース。
  2. 前記本体内に配置され、前記吸引導管と接続するように構成されたバルブを更に備え、前記バルブが、前記吸引導管内の吸引流体の流量を制御するように構成されている、請求項1に記載のハンドピース。
  3. 前記本体内に配置され、流量または前記外科部位での圧力を表す圧力を検出するように構成されたセンサを更に備える、請求項2に記載のハンドピース。
  4. 前記センサが、前記灌流導管に沿って、前記吸引導管に沿って、または前記ハンドピース本体の前記遠位端付近で、前記ハンドピース内に位置する、請求項3に記載のハンドピース。
  5. 前記ポンプ、前記バルブ、および前記センサと通信するコントローラを更に備え、前記コントローラが、前記センサから受け取った情報に基づいて前記ポンプおよび前記バルブを制御する、請求項3に記載のハンドピース。
  6. 前記ポンプが、蠕動ポンプである、請求項1に記載のハンドピース。
  7. 前記バルブが、前記ポンプと前記先端部との間に位置する、請求項2に記載のハンドピース。
  8. 前記バルブが、前記ポンプと吸引流体の排液貯槽との間に位置し、前記排液貯槽が、前記吸引導管と流体連通している、請求項2に記載のハンドピース。
  9. 前記灌流導管が、第1の断面積を含み、前記吸引導管が、第2の断面積を含み、前記第1の断面積が、前記第2の断面積より大きい、請求項1に記載のハンドピース。
  10. 前記本体が、前記カートリッジを受容するための開口部を形成する、請求項1に記載のハンドピース。
  11. 外科部位を灌流し、前記外科部位から流体を吸引する方法であって、
    流体を、水晶体超音波乳化吸引術用ハンドピース内の吸引導管を通して、前記吸引導管と接続している前記ハンドピース内のポンプから生じる真空圧を用いて、誘導することと、
    灌流流体を、前記ハンドピース内の灌流導管を通して、前記灌流導管と接続している前記ポンプから生じる圧力を用いて、誘導することと、
    前記ハンドピース内の前記ポンプを作動することによって、前記灌流導管を通る灌流流体流量を増大させることと、
    センサを用いて、外科部位に関連する圧力を検出することと、
    前記検出された圧力に基づいて、吸引バルブの状態を調節することによって、眼内圧力(IOP)を制御することと、を含む、方法。
  12. 前記圧力に基づいてポンプ速度を調節することによってIOPを制御することを更に含む、請求項11に記載の方法。
  13. 前記センサが、前記灌流導管に沿って、または前記吸引導管に沿って、または両方に沿って、前記ハンドピース内に位置する、請求項11に記載の方法。
  14. 前記吸引バルブの状態を調節することによって前記IOPを制御することが、
    前記検出された圧力に基づいて、前記吸引流量を増大するべきかまたは減少するべきかを判断することと、
    前記吸引流量を増大するべきである場合、前記吸引バルブを用いて前記吸引流量を増大させることと、
    前記吸引流量を減少するべきである場合、前記吸引バルブを用いて前記吸引流量を減少させることと、を含む、請求項11に記載の方法。
  15. 前記吸引バルブが、前記ポンプと前記外科部位との間に位置する、請求項12に記載の方法。
  16. 前記吸引バルブが、前記ポンプと前記吸引流体の排液貯槽との間に位置する、請求項12に記載の方法。
  17. 外科部位に関連する前記検出された圧力をコントローラに通信することと、
    前記コントローラによって前記ポンプの動作を制御することと、
    前記コントローラによって前記吸引バルブの動作を制御することと、を更に含む、請求項12に記載の方法。
  18. 前記灌流導管が、第1の断面積を含み、前記吸引導管が、第2の断面積を含み、前記第1の断面積が、前記第2の断面積より大きい、請求項11に記載の方法。
  19. 眼科手術中に眼を灌流し、眼から流体を吸引するための吸引および灌流システムであって、
    水晶体超音波乳化吸引術用ハンドピースであって、
    遠位端および近位端を有する把持可能な本体と、
    外科部位から離れるように吸引流体を運搬するように構成された吸引導管と、
    前記外科部位に向かって灌流流体を運搬するように構成された灌流導管と、
    前記ハンドピース内に配置されるポンプであって、前記ポンプの少なくとも一部分が、前記吸引導管および前記灌流導管と接続し、前記ポンプの作動時に、前記灌流導管内の前記灌流流体が前記外科部位に向かう方向に流動し、前記吸引導管内の前記吸引流体が前記外科部位から離れる方向に流動する、ポンプと、
    前記吸引導管と接続するように構成された前記ハンドピース内に配置されたバルブであって、前記吸引導管内の吸引流体の流量を制御するように構成されている、バルブと、
    外科部位圧力を表す圧力を検出するセンサと、を備える、水晶体超音波乳化吸引術用ハンドピースと、
    前記ポンプ、前記バルブ、および前記センサと通信するコントローラであって、
    前記コントローラが、前記センサからの情報に基づいて前記ポンプおよび前記バルブの前記動作を制御するように構成され、
    前記コントローラが、前記外科部位における眼内圧力(IOP)を変更するように構成される、コントローラと、を備える、システム。
  20. 前記コントローラが、前記ポンプ速度を調節することによって、または前記バルブの状態を調節することによって、または両方によってIOPを変更するように構成される、請求項19に記載のシステム。
  21. 前記バルブが、前記ポンプと前記遠位端に位置する先端部との間に位置する、請求項19に記載のシステム。
  22. 前記バルブが、前記ポンプと前記吸引流体の排液貯槽との間に位置する、請求項19に記載のシステム。
  23. 前記センサが、前記灌流導管に沿って、または前記吸引導管に沿って、または両方に沿って、前記ハンドピース内に位置する、請求項19に記載のシステム
  24. 前記灌流導管が、第1の断面積を含み、前記吸引導管が、第2の断面積を含み、前記第1の断面積が、前記第2の断面積より大きい、請求項19に記載のシステム。
  25. 前記ハンドピースが、前記吸引導管の少なくとも一部分および前記灌流導管の少なくとも一部分を有する前記本体内に配置された着脱式カートリッジを更に備える、請求項19に記載のシステム。
  26. IOP制御を容易にするように、灌流ラインを吸引ラインに接続するラインを通る流量を制御する第2の制御バルブを備える、請求項19に記載のシステム。
JP2015546461A 2012-12-11 2013-10-10 一体化型吸引および灌流ポンプを備える水晶体超音波乳化吸引術用ハンドピース Active JP6612618B2 (ja)

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US201261735637P 2012-12-11 2012-12-11
US61/735,637 2012-12-11
PCT/US2013/064202 WO2014092851A1 (en) 2012-12-11 2013-10-10 Phacoemulsification hand piece with integrated aspiration and irrigation pump

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JP2015536758A JP2015536758A (ja) 2015-12-24
JP2015536758A5 true JP2015536758A5 (ja) 2016-09-15
JP6612618B2 JP6612618B2 (ja) 2019-11-27

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EP (1) EP2874583B1 (ja)
JP (1) JP6612618B2 (ja)
CN (1) CN104640523B (ja)
AU (2) AU2013360295B2 (ja)
CA (1) CA2882220A1 (ja)
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WO (1) WO2014092851A1 (ja)

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