JPWO2020236593A5 - - Google Patents

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Publication number
JPWO2020236593A5
JPWO2020236593A5 JP2021568669A JP2021568669A JPWO2020236593A5 JP WO2020236593 A5 JPWO2020236593 A5 JP WO2020236593A5 JP 2021568669 A JP2021568669 A JP 2021568669A JP 2021568669 A JP2021568669 A JP 2021568669A JP WO2020236593 A5 JPWO2020236593 A5 JP WO2020236593A5
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JP
Japan
Prior art keywords
elongated member
camshaft
drive mechanism
suction
handheld portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2021568669A
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Japanese (ja)
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JP2022532255A (en
Publication date
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Priority claimed from PCT/US2020/033141 external-priority patent/WO2020236593A1/en
Publication of JP2022532255A publication Critical patent/JP2022532255A/en
Publication of JPWO2020236593A5 publication Critical patent/JPWO2020236593A5/ja
Pending legal-status Critical Current

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Claims (15)

眼内で眼科処置を実施するための装置であって、
手持ち部分と、
該手持ち部分の遠位端領域から延びる細長い部材であって、管腔と、細長い部材の遠位端領域の近くにある開口とを含む細長い部材と、
該手持ち部分の内部に位置し、該細長い部材の開口と流体連通している吸引ポンプとを備え、
該吸引ポンプは、
・長手方向軸に沿って延びており、複数のローブカムを有するカムシャフトと、
・長手方向軸に対して平行に延びるチューブと、
・該カムシャフトのカムによって駆動され、長手方向軸に対して垂直な面内で移動して該チューブを順次圧縮する複数のカムフォロワと、を含む、
装置。 A device for performing an ophthalmic procedure in the eye, comprising:
handheld part and
an elongated member extending from a distal end region of the handheld portion, the elongated member including a lumen and an opening near the distal end region of the elongated member;
a suction pump positioned within the handheld portion and in fluid communication with the opening in the elongated member;
The suction pump is
- a camshaft extending along a longitudinal axis and having a plurality of lobe cams;
- a tube extending parallel to the longitudinal axis;
a plurality of cam followers driven by cams of the camshaft to move in a plane perpendicular to the longitudinal axis to sequentially compress the tube;
Device. チューブは、カムシャフトの両側に位置決めされた一対の周辺チューブに分割する近位流路を備え、
一対の周辺チューブは、ポンプマニホールドと遠位側で合流して、細長い部材の管腔と流体連通する遠位流路を形成する、請求項１に記載の装置。 the tube has a proximal flow path dividing it into a pair of peripheral tubes positioned on opposite sides of the camshaft;
2. The apparatus of claim 1, wherein the pair of peripheral tubes merge distally with the pump manifold to form a distal flow path in fluid communication with the lumen of the elongated member. 一対の周辺チューブを順次圧縮する複数のカムフォロワは、実質的に非パルス性の吸引を生成する、請求項２に記載の装置。 3. The apparatus of claim 2, wherein a plurality of cam followers sequentially compressing a pair of peripheral tubes produces substantially non-pulsatile suction. 実質的に非パルス性の吸引は、約３ｃｃ／分未満、または、３ｃｃ／分～約１０ｃｃ／分の範囲、または、１０ｃｃ／分より大きく、約２５ｃｃ／分以下である、請求項３に記載の装置。 4. The substantially non-pulsatile suction is less than about 3 cc/min , or in the range of 3 cc/min to about 10 cc/min , or greater than 10 cc/min and up to about 25 cc/min. device. 細長い部材は、手持ち部分に対して往復運動で移動可能である、請求項１～４のいずれかに記載の装置。 A device according to any preceding claim, wherein the elongated member is reciprocally movable with respect to the handheld portion. 細長い部材は、レンズ断片化、レンズ乳化または前部硝子体切除のために構成されている、請求項１～５のいずれかに記載の装置。 An apparatus according to any preceding claim, wherein the elongate member is configured for lens fragmentation, lens emulsification or anterior vitrectomy. 細長い部材は、手持ち部分の内部に固定的に接続された外側チューブ内で往復摺動するように構成され、細長い部材の遠位先端が、刃先を形成し、外側チューブは、側壁を貫通する開口を備える、請求項１～６のいずれかに記載の装置。 The elongated member is configured to reciprocate within an outer tube fixedly connected to the interior of the handheld portion , the distal tip of the elongated member forming a cutting edge , and the outer tube extending through the side wall. A device according to any preceding claim , comprising an opening. 細長い部材はさらに、外側チューブと協調して２つの切込みを形成するように構成された側方開口をその遠位端領域の近くに備える、請求項７に記載の装置。 8. The apparatus of claim 7 , wherein the elongated member further comprises a lateral opening near its distal end region configured to cooperate with the outer tube to form two cuts. 細長い部材は、３００ｃｐｍで、または、５００～６００ｃｐｍで、または、約５０００ｃｐｍまでで、または、約７５００ｃｐｍまでで振動するように構成される、請求項１～６のいずれかに記載の装置。 7. The apparatus of any of claims 1-6 , wherein the elongate member is configured to vibrate at 300 cpm ; ポンプからの入力を増幅して、硝子体切除用に構成された細長い部材の出力を達成するように構成されたギアボックスをさらに備える、請求項１～６のいずれかに記載の装置。 7. The apparatus of any of claims 1-6, further comprising a gearbox configured to amplify the input from the pump to achieve the output of the elongated member configured for vitrectomy. ギアボックスは、遊星ギアボックスである、請求項１０に記載の装置。 11. Apparatus according to claim 10 , wherein the gearbox is a planetary gearbox. カムシャフトと動作可能に接続するように構成された駆動機構をさらに備え、該駆動機構は、カムシャフトを回転するように構成される、請求項１～６のいずれかに記載の装置。 7. The apparatus of any preceding claim, further comprising a drive mechanism configured to operatively connect with the camshaft, the drive mechanism configured to rotate the camshaft. 駆動機構からの入力を上昇させるためのギア装置をさらに備える、請求項１２に記載の装置。 13. The apparatus of claim 12 , further comprising a gear arrangement for increasing input from the drive mechanism. 吸引ポンプのカムシャフトは、約１５ｃｃ／分～３０ｃｃ／分の吸引能力を送給するために一定の速度で回転する、請求項１３に記載の装置。 14. The apparatus of claim 13 , wherein the suction pump camshaft rotates at a constant speed to deliver a suction capacity of about 15 cc/min to 30 cc/min. カムシャフトを回転するように構成された駆動機構は、細長い部材の振動も駆動する、請求項１２に記載の装置。 13. The apparatus of claim 12 , wherein a drive mechanism configured to rotate the camshaft also drives vibration of the elongated member.
JP2021568669A 2019-05-17 2020-05-15 Ophthalmic cutting tool with integrated suction pump Pending JP2022532255A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962849302P 2019-05-17 2019-05-17
US62/849,302 2019-05-17
US201962868688P 2019-06-28 2019-06-28
US62/868,688 2019-06-28
US201962872898P 2019-07-11 2019-07-11
US62/872,898 2019-07-11
PCT/US2020/033141 WO2020236593A1 (en) 2019-05-17 2020-05-15 Ophthalmic cutting instruments having integrated aspiration pump

Publications (2)

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JP2022532255A JP2022532255A (en) 2022-07-13
JPWO2020236593A5 true JPWO2020236593A5 (en) 2023-05-19

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Country Status (8)

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US (1) US11730625B2 (en)
EP (1) EP3968912A1 (en)
JP (1) JP2022532255A (en)
KR (1) KR20220010739A (en)
CN (1) CN114096221A (en)
AU (1) AU2020277300A1 (en)
CA (1) CA3140788A1 (en)
WO (1) WO2020236593A1 (en)

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