JP6959255B2 - 粥腫切除用カテーテルデバイス - Google Patents
粥腫切除用カテーテルデバイス Download PDFInfo
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- Health & Medical Sciences (AREA)
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- Surgery (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
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Description
本出願は、「ATHERECTOMY CATHETERS AND OCCLUSION CROSSING DEVICES」と題する、2016年4月1日に出願された米国仮特許出願第62/317,214号の優先権を主張する。この出願は、その全体が、参照することによって本明細書に組み込まれる。本出願は、「SUPPORT ARM ASSEMBLY」と題する、2016年4月1日に出願された米国仮特許出願第62/317,231号の優先権をも主張する。この出願のすべては、本明細書で参照することによって組み込まれる。
[参照による組込]
関節式(articulated)/部分的(segmental)な調整を提供するように構成された連結柱に隣接する、対応の第2摩擦ノブと、をさらに含んでもよい。支持アームは、カテーテルコントローラマウントに結合するのに適したカテーテルマウントカプラをさらに含んでもよく、ここでカテーテルマウントカプラは、カテーテルコントローラマウントが位置決めされる角度を調整するように構成されたマウント位置決めレバーをさらに含んでもよい。支持アームは、少なくとも1つのケーブル保持器をさらに含んでもよい。カテーテルコントローラマウントは、カテーテルコントローラカプラをさらに含んでもよく、ここでカテーテルコントローラカプラは、カテーテルコントローラの対応する穴に挿入される、カテーテルコントローラマウントのベースから延在する支柱又は他の突起であってもよい。カテーテルコントローラマウントは、コントローラマウント支持ラッチをさらに含んでもよい。カテーテルコントローラマウントは、カテーテルコントローラを収容するのに十分に幅広のおさえ部(jaw)を有するクリップを含んでもよい。カテーテルコントローラマウントは、マウント支持ベースと、カテーテルコントローラユニットに結合するように構成されたマウント支持カプラと、結合したカテーテルコントローラユニットを安定させるためのマウント支持ラッチとを含んでもよい。
Claims (10)
- 細長い本体(101)と、
細長い本体内を近位から遠位に延びる駆動シャフト(113)と、
駆動シャフトに取り付けられたカッターであって、
当該カッターの遠位縁部に形成された鋸歯状の環状カッティングエッジ(2710)を含み、該鋸歯状の環状カッティングエッジは、複数の部分を含み、該複数部分のそれぞれは、鋸歯状の環状カッティングエッジの最も遠位の外周に沿って凸形状を有し、鋸歯状の環状カッティングエッジの最も遠位の外周に沿って鋭いポイントが形成されておらず、
環状カッティングエッジから当該カッターの中心へ径方向内側に延びる凹状ボウル(2714)を含む、カッター(2700)と、
を備え、
ここで、凸形状を有する複数の部分は、組織を切断するように構成されている、
粥腫切除用カテーテルデバイス(100)。 - 上記カッター(2700)は、さらに、凹状ボウル(2714)内で遠位縁部から内側に延びる複数の粉砕セグメント(2718)を備え、凹状ボウルは第1曲率を有し、複数の粉砕セグメントの各々は、第1曲率とは異なる第2曲率を有し、複数の粉砕セグメントは、動脈における石灰化し硬化した線維症を壊すように構成されている、請求項1に記載の粥腫切除用カテーテルデバイス。
- 複数の粉砕セグメント(2718)の各々は、鋸歯状の環状カッティングエッジ(2710)の凸状部分(2712)を形成している、請求項2に記載の粥腫切除用カテーテルデバイス。
- 複数の粉砕セグメント(2718)の各々は、平らな切り子面である、請求項2に記載の粥腫切除用カテーテルデバイス。
- 第2曲率は、第1曲率よりも小さい、請求項2に記載の粥腫切除用カテーテルデバイス。
- 鋸歯状の環状カッティングエッジ(2710)は、細長い本体の外径に対して径方向内側に角度付けられている、請求項1に記載の粥腫切除用カテーテルデバイス。
- 鋸歯状の環状カッティングエッジ(2710)は、細長い本体の外径に対して径方向内側に2度から12度によって延在する、請求項1に記載の粥腫切除用カテーテルデバイス。
- 複数の粉砕セグメント(2718)は、凹状ボウル(2714)の周囲周りに対称的に配置されている、請求項1に記載の粥腫切除用カテーテルデバイス。
- 複数の粉砕セグメント(2718)は、凹状ボウル(2714)の周囲周りに非対称的に配置されている、請求項1に記載の粥腫切除用カテーテルデバイス。
- 鋸歯状の環状カッティングエッジにおける複数の部分は、溝によって分けられている、請求項1に記載の粥腫切除用カテーテルデバイス。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662317231P | 2016-04-01 | 2016-04-01 | |
US201662317214P | 2016-04-01 | 2016-04-01 | |
US62/317,231 | 2016-04-01 | ||
US62/317,214 | 2016-04-01 | ||
PCT/US2017/025555 WO2017173370A1 (en) | 2016-04-01 | 2017-03-31 | Atherectomy catheter with serrated cutter |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2019513446A JP2019513446A (ja) | 2019-05-30 |
JP2019513446A5 JP2019513446A5 (ja) | 2020-04-16 |
JP6959255B2 true JP6959255B2 (ja) | 2021-11-02 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018551354A Active JP6959255B2 (ja) | 2016-04-01 | 2017-03-31 | 粥腫切除用カテーテルデバイス |
Country Status (5)
Country | Link |
---|---|
US (2) | US11399863B2 (ja) |
EP (1) | EP3435892B1 (ja) |
JP (1) | JP6959255B2 (ja) |
CN (1) | CN108882948A (ja) |
WO (1) | WO2017173370A1 (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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