JP2020531114A - 流れ減衰装置 - Google Patents
流れ減衰装置 Download PDFInfo
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Abstract
Description
本出願は、2017年8月17日に出願された米国仮特許出願第62/546,809号の優先権および利益を主張し、その全体を本明細書において参照により組み込む。
100 塞栓装置
101 小孔
102 多孔性区域、メッシュスクリーン区間
104 コンプライアンス区域、コイル区間
108 厚さを貫く穿孔
302 隙間
304、306 結合部
402、404、406 層
602 メッシュスクリーン延在部
604 結合特徴部
702 マイクロカテーテル
802 動脈瘤嚢
902 ループ
904 ワイヤ
Claims (40)
- 血管障害を治療するときに使用するための塞栓装置であって、
第1のコイル区間と、
第2のコイル区間と、
メッシュスクリーン区間と
を備え、
前記メッシュスクリーン区間が、前記塞栓装置の長さに沿って前記第1のコイル区間と前記第2のコイル区間との間に配置される、塞栓装置。 - 前記第1のコイル区間および前記第2のコイル区間が、螺旋状に巻回されたワイヤを各々備える、請求項1に記載の塞栓装置。
- 前記第1のコイル区間および前記第2のコイル区間が、前記メッシュスクリーン区間より大きいコンプライアンスを各々備える、請求項1に記載の塞栓装置。
- 前記メッシュスクリーン区間が、前記第1のコイル区間および前記第2のコイル区間の各々より大きい多孔性を備える、請求項1に記載の塞栓装置。
- 前記メッシュスクリーン区間が展開構成にあるとき、前記メッシュスクリーン区間が60%〜80%の多孔性である、請求項4に記載の塞栓装置。
- 前記メッシュスクリーン区間が2つの層を備える、請求項1に記載の塞栓装置。
- 前記2つの層が異なる厚さを有する、請求項6に記載の塞栓装置。
- 前記2つの層の各々の少なくとも一部分が異なる平行な平面に配置される、請求項6に記載の塞栓装置。
- 前記2つの層の各々の少なくとも一部分が同じ平面に配置される、請求項6に記載の塞栓装置。
- 前記2つの層が互いに固定される、請求項6に記載の塞栓装置。
- 前記2つの層が互いに対して自由に移動できる、請求項6に記載の塞栓装置。
- 前記2つの層が所定の距離で互いから離間される、請求項6に記載の塞栓装置。
- 前記メッシュスクリーン区間が、厚さを貫く穿孔を備える、請求項1に記載の塞栓装置。
- 前記メッシュスクリーン区間が、前記メッシュスクリーン区間を前記第1のコイル区間および前記第2のコイル区間に結合するために、前記第1のコイル区間および前記第2のコイル区間によってそれぞれ形成されるルーメンに挿入されるように適合された第1の延在部分および第2の延在部分をさらに備える、請求項1に記載の塞栓装置。
- 前記塞栓装置の異なる部分が異なる熱機械特性を備える、請求項1に記載の塞栓装置。
- 患者の血管障害を治療するための方法であって、
コイル区間と、前記コイル区間に結合されたメッシュスクリーン区間とを備える塞栓装置を、
前記コイル区間が前記血管障害によって形成される空洞内に配置されるように、および、
前記メッシュスクリーン区間が前記血管障害のネックにわたって配置されるように、
前記血管障害内に送達するステップを含む、方法。 - 前記血管障害が動脈瘤を含む、請求項16に記載の方法。
- 前記送達するステップが、前記塞栓装置を送達プッシャの遠位端から解放することを含む、請求項16に記載の方法。
- 前記送達プッシャを、前記血管障害内に配置される遠位端を有するマイクロカテーテルを通じて前進させるステップをさらに含む、請求項18に記載の方法。
- 第2の塞栓装置を、前記マイクロカテーテルを再位置決めすることなく前記血管障害内に送達するステップをさらに含む、請求項19に記載の方法。
- 前記塞栓装置が追加のコイル区間をさらに備え、さらに、前記メッシュスクリーン区間が、前記塞栓装置の長さに沿って前記コイル区間と前記追加のコイル区間との間に配置される、請求項16に記載の方法。
- 前記コイル区間が、螺旋状に巻回されたワイヤを備える、請求項16に記載の方法。
- 前記コイル区間が、前記メッシュスクリーン区間より大きいコンプライアンスを備える、請求項16に記載の方法。
- 前記メッシュスクリーン区間が、前記コイル区間より大きい多孔性を備える、請求項16に記載の方法。
- 送達されたとき、前記メッシュスクリーン区間が60%〜80%の多孔性である、請求項16に記載の方法。
- 前記メッシュスクリーン区間が2つの層を備える、請求項16に記載の方法。
- 前記2つの層が異なる厚さを有する、請求項26に記載の方法。
- 前記2つの層の各々の少なくとも一部分が異なる平行な平面に配置される、請求項26に記載の方法。
- 前記2つの層の各々の少なくとも一部分が同じ平面に配置される、請求項26に記載の方法。
- 前記2つの層が互いに固定される、請求項26に記載の方法。
- 前記2つの層が互いに対して自由に移動できる、請求項26に記載の方法。
- 前記2つの層が所定の距離で互いから離間される、請求項26に記載の方法。
- 前記メッシュスクリーン区間が、厚さを貫く穿孔を備える、請求項16に記載の方法。
- 前記塞栓装置の異なる部分が異なる熱機械特性を備える、請求項16に記載の方法。
- 塞栓装置を製造する方法であって、
第1のコイル区間および第2のコイル区間を形成するステップと、
メッシュスクリーン区間を形成するステップと、
前記メッシュスクリーン区間を、前記塞栓装置の長さに沿って前記第1のコイル区間と前記第2のコイル区間との間に結合するステップと
を含む、方法。 - 前記第1のコイル区間および前記第2のコイル区間を形成する前記ステップが、少なくとも1つのワイヤを螺旋状に巻回することを含む、請求項35に記載の方法。
- 前記メッシュスクリーン区間を形成する前記ステップが、除去製造技術を用いることを含む、請求項35に記載の方法。
- 前記除去製造技術が、レーザー技術、機械技術、湿式化学技術、電気化学マスキング技術、マスクレス電気化学技術、エッチング、フライス加工、光化学加工、および光電気化学加工からなる群から選択される、請求項37に記載の方法。
- 前記メッシュスクリーン区間を前記第1のコイル区間と前記第2のコイル区間との間に結合する前記ステップが、前記メッシュスクリーン区間の第1の延在部分および第2の延在部分を、前記第1のコイル区間および前記第2のコイル区間によってそれぞれ形成されるルーメンに挿入することを含む、請求項35に記載の方法。
- 前記第1のコイル区間および前記第2のコイル区間を形成する前記ステップと、前記メッシュスクリーン区間を形成する前記ステップとの少なくとも一方が、異なる熱機械特性を持つように前記塞栓装置の異なる部分を形成することを含む、請求項35に記載の方法。
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US11911040B2 (en) | 2024-02-27 |
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CN117297691A (zh) | 2023-12-29 |
JP2023165830A (ja) | 2023-11-17 |
US20190053811A1 (en) | 2019-02-21 |
EP3668417A1 (en) | 2020-06-24 |
US11071551B2 (en) | 2021-07-27 |
CN111031936B (zh) | 2023-10-10 |
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