JPWO2019236615A5 - - Google Patents

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JPWO2019236615A5
JPWO2019236615A5 JP2020567831A JP2020567831A JPWO2019236615A5 JP WO2019236615 A5 JPWO2019236615 A5 JP WO2019236615A5 JP 2020567831 A JP2020567831 A JP 2020567831A JP 2020567831 A JP2020567831 A JP 2020567831A JP WO2019236615 A5 JPWO2019236615 A5 JP WO2019236615A5
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JP2021526881A (ja
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Claims (12)

  1. 眼からレンズ材料を抽出するためのデバイスであって、前記デバイスは、
    モータを有する駆動機構と、
    ユーザによって選択的に変更可能な前記駆動機構によって駆動される吸引ポンプであって、前記吸引ポンプは、それぞれのシリンダ内に収容された1つまたは複数のピストンを備えるピストンポンプである、吸引ポンプと
    前記駆動機構によって振動するように構成された細長い部材であって、前記細長い部材は、眼の前房を通って眼の水晶体嚢内のレンズまで延びるようにサイズ設定および構成される、細長い部材と、を備え、
    前記細長い部材は、
    前記吸引ポンプに流体的に結合され、吸引廃棄物ラインの少なくとも一部を規定する内腔であって、前記シリンダのそれぞれは、前記細長い部材の内腔に流体的に結合されている、内腔と、
    遠位切断先端を有する開いた遠位端と、
    回転可能なカプラを介して前記モータによって回転させることができる回転カムアセンブリと、
    それぞれのシリンダ内の1つまたは複数のピストンの近位移動距離を制限し、高真空位置と低真空位置を切り替えるように構成されたピストンハードストップと、を備え、
    前記回転カムアセンブリの回転により、1つまたは複数のピストンが前記内腔内に不連続な負圧のパルスを生成し、
    前記吸引ポンプによって作成され、レンズ材料を眼から前記内腔に吸引するために前記内腔を通して送達される吸引は、連続吸引と不連続で脈動する吸引との間で選択的に変更可能であり、
    連続吸引は、前記ピストンハードストップの低真空位置で達成され、不連続で脈動する吸引は、前記ピストンハードストップの高真空位置で達成される、デバイス
  2. 連続吸引位置にあるとき、前記ピストンハードストップは、それぞれのシリンダ内での各ピストンの近位移動の距離を制限するシリンダに対して遠位に前進し、各ピストンの近位移動の速度がカム表面の傾斜によって規定されるように、前記駆動機構の回転カムアセンブリに対して相対的に前進し、前記カム表面と前記ピストンハードストップの突起の両方が、1つまたは複数のピストンの近位端に接触するように構成される、請求項1に記載のデバイス
  3. 脈動吸引位置にあるとき、前記ピストンハードストップは、シリンダに対して近位方向に引っ込められ、各ピストンの近位移動の速度がばね力によって影響されるように、それぞれのシリンダ内で、前記駆動機構の回転カムアセンブリに対して各ピストンの完全な近位移動距離を可能にする、請求項1に記載のデバイス
  4. 前記デバイスは、弁シート上に配置された偏向可能な機能を組み込んだアンチサージ弁アセンブリをさらに備え、前記アンチサージ弁アセンブリは、流量が閾値を超えたときに前記細長い部材を通る吸引を制限するように構成され、流量が閾値を下回ったときに前記細長い部材を通る吸引を可能にするように構成されている、請求項1に記載のデバイス
  5. 前記アンチサージ弁アセンブリは、弁アセンブリの上流側にフィルタをさらに備えており、大きなレンズ断片が内腔を通して吸引されるのを防ぐ、請求項4に記載のデバイス
  6. 前記デバイスは、トリガの押し下げの程度に応じてデバイスの異なる機能をアクティブにするように構成された多段トリガをさらに備える、請求項1に記載のデバイス
  7. 前記多段トリガの下向きの動きは、吸引を開始する、請求項6に記載のデバイス
  8. 前記多段トリガは、ベント機構に機能的に結合されている、請求項6に記載のデバイス
  9. 第1の程度のトリガの押し下げは、モータを作動させて吸引ポンプを駆動し、第2の程度のトリガの押し下げは、細長い部材の振動をさらに作動させる、請求項6に記載のデバイス
  10. 不連続で脈動する吸引は、真空の単一パルス中に複数の振動を受ける前記細長い部材によって特徴付けられる、請求項1に記載のデバイス
  11. 前記細長い部材の動きは、真空の単一パルスが開始された後に始まる、請求項10に記載のデバイス
  12. 真空の単一パルスは、ゼロに戻り、前記細長い部材の動きは、真空の他のパルスが開始される前に停止する、請求項11に記載のデバイス
JP2020567831A 2018-06-05 2019-06-04 眼科顕微手術ツール、システム、および使用方法 Active JP7325451B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201862680723P 2018-06-05 2018-06-05
US62/680,723 2018-06-05
US201862692443P 2018-06-29 2018-06-29
US62/692,443 2018-06-29
US201962789348P 2019-01-07 2019-01-07
US62/789,348 2019-01-07
US201962846280P 2019-05-10 2019-05-10
US62/846,280 2019-05-10
PCT/US2019/035442 WO2019236615A1 (en) 2018-06-05 2019-06-04 Ophthalmic microsurgical tools, systems, and methods of use

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JP2021526881A JP2021526881A (ja) 2021-10-11
JPWO2019236615A5 true JPWO2019236615A5 (ja) 2022-05-17
JP7325451B2 JP7325451B2 (ja) 2023-08-14

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US (1) US11638660B2 (ja)
EP (1) EP3813744A4 (ja)
JP (1) JP7325451B2 (ja)
KR (1) KR20210018340A (ja)
CN (1) CN112702982B (ja)
AU (1) AU2019282173A1 (ja)
BR (1) BR112020024572A2 (ja)
CA (1) CA3102347A1 (ja)
IL (1) IL279136A (ja)
WO (1) WO2019236615A1 (ja)

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