JP7467044B2 - 編組インプラントを使用するシステム及び方法 - Google Patents
編組インプラントを使用するシステム及び方法 Download PDFInfo
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- JP7467044B2 JP7467044B2 JP2019143574A JP2019143574A JP7467044B2 JP 7467044 B2 JP7467044 B2 JP 7467044B2 JP 2019143574 A JP2019143574 A JP 2019143574A JP 2019143574 A JP2019143574 A JP 2019143574A JP 7467044 B2 JP7467044 B2 JP 7467044B2
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- braided
- braided implant
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- implant
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Landscapes
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Description
(1) 動脈瘤を治療するためのフローダイバータとして構成された編組インプラントであって、
テーパ状血管内の実質的に一貫した目標多孔率を最大1mmの血管直径範囲まで維持するように構成された編組メッシュ、を備え、
前記編組メッシュが、前記テーパ状血管内にある間、前記編組メッシュの近位端と遠位端との間で前記実質的に一貫した目標多孔率を維持するように構成されている、編組インプラント。
(2) 前記テーパ状血管が、最大1mm異なる近位端直径及び遠位端直径を有し、前記最大1mmの血管直径範囲が、前記近位端直径と前記遠位端直径とを比較することによって画定される、実施態様1に記載のインプラント。
(3) 前記実質的に一貫した目標多孔率が約70%である、実施態様1に記載のインプラント。
(4) 前記テーパ状血管内の前記編組メッシュの近位端と遠位端との間の所定の長さが、少なくとも3cmである、実施態様1に記載のインプラント。
(5) 前記テーパ状血管内の前記編組メッシュの近位端と遠位端との間の所定の長さが、少なくとも1cmである、実施態様1に記載のインプラント。
(7) 前記編組インプラントが、前記多孔率曲線の前記ピーク周辺に並んだ血管直径の1mmの径方向範囲に対応する多孔率の安定状態を更に有する、実施態様6に記載のインプラント。
(8) 前記編組インプラントが、前記多孔率曲線の前記ピーク周辺に並んだ血管直径の1mmの径方向範囲と一致する多孔率の安定状態を更に有する、実施態様6に記載のインプラント。
(9) 前記編組インプラントの孔密度が、約18~23孔/mm2である、実施態様1に記載のインプラント。
(10) 前記編組インプラントが、実質的に円筒形の多孔質構造である、実施態様1に記載のインプラント。
(12) 前記編組インプラントは、各々がそれぞれモノフィラメントと合わせて敷かれている、モノフィラメントで形成された複数のマルチストランドから形成されている、実施態様1に記載のインプラント。
(13) 動脈瘤を治療するためのシステムであって、
複数の編組インプラントを備え、各編組インプラントが、血管直径における異なる1mmの径方向範囲にわたって実質的に一貫した多孔率を有し、各編組インプラントは、異なる1mmの径方向直径範囲にわたって実質的に一貫した多孔率を提供するように構成されている、システム。
(14) 前記編組インプラントがテーパ状血管で使用するように構成され、前記テーパ状血管が、最大1mm異なる近位端直径及び遠位端直径を有し、前記血管直径における異なる1mmの径方向範囲は、前記近位端直径と前記遠位端直径とを比較することによって画定される、実施態様13に記載のシステム。
(15) 前記複数の編組インプラントが、
2~3mmの血管直径範囲を治療するように構成された第1の編組インプラントと、
2.5~3.5mmの血管直径範囲を治療するように構成された第2の編組インプラントと、
3.0~4.0mmの血管直径範囲を治療するように構成された第3の編組インプラントと、
3.5~4.5mmの血管直径範囲を治療するように構成された第4の編組インプラントと、
4.0~5.0mmの血管直径範囲を治療するように構成された第5の編組インプラントと、
4.5~5.5mmの血管直径範囲を治療するように構成された第6の編組インプラントと、を備え、
各編組インプラントの前記多孔率は、65%~70%の範囲である、実施態様13に記載のシステム。
(17) 前記複数の編組インプラントのそれぞれが、前記複数の編組インプラントのうちの次に最小の前記編組インプラントの血管直径における前記径方向範囲の約半分だけ互いにずれている、実施態様13に記載のシステム。
(18) 動脈瘤の治療方法であって、
前記動脈瘤を有する血管に関連する血管直径を決定することと、
前記血管を治療するための複数の編組インプラントのうちの1つを選択することであって、各編組インプラントが、最大1mmの血管直径範囲にわたって実質的に一貫した多孔率を有し、各編組インプラントは、異なる血管直径範囲にわたって実質的に一貫した多孔率を提供するように構成されている、ことと、
前記複数の編組インプラントのうちの前記1つを用いて前記血管を治療することと、を含む、方法。
(19) 前記血管がテーパ状であり、前記テーパ状血管が、最大1mm異なる近位直径及び遠位直径を有し、前記血管直径を決定することが、前記近位端直径と遠位端直径とを比較することを含み、前記方法が、
前記テーパ状血管全体にわたって、前記実質的に一貫した多孔率を維持すること、を更に含む、実施態様18に記載の方法。
(20) 前記血管を治療することが、
前記編組インプラントを動脈瘤に前進させることと、
前記複数の編組インプラントのうちの前記1つを使用して、前記動脈瘤を排除し、前記動脈瘤から血流を迂回させることによって、前記血管内の血流を再構成することと、を含む、実施態様18に記載の方法。
Claims (18)
- 動脈瘤を治療するためのフローダイバータとして構成された編組インプラントであって、
最大1mmの血管直径範囲を有するテーパ状血管内で、65%~70%の実質的に一貫した目標多孔率を維持するように構成された編組メッシュ、を備え、
前記編組メッシュが、前記テーパ状血管内にある間、前記編組メッシュの近位端と遠位端との間で前記実質的に一貫した目標多孔率を維持するように構成されており、
前記編組インプラントが、示された血管直径を更に有し、前記編組インプラントは、前記示された血管直径が前記編組インプラントの多孔率曲線のピークと一致するように構成されており、前記多孔率曲線は、多孔率対直径の曲線である、編組インプラント。 - 前記テーパ状血管が、最大1mm異なる近位端直径及び遠位端直径を有し、前記最大1mmの血管直径範囲が、前記近位端直径と前記遠位端直径とを比較することによって画定される、請求項1に記載の編組インプラント。
- 前記実質的に一貫した目標多孔率が約70%である、請求項1に記載の編組インプラント。
- 前記テーパ状血管内の前記編組メッシュの前記近位端と前記遠位端との間の所定の長さが、少なくとも3cmである、請求項1に記載の編組インプラント。
- 前記テーパ状血管内の前記編組メッシュの前記近位端と前記遠位端との間の所定の長さが、少なくとも1cmである、請求項1に記載の編組インプラント。
- 前記編組インプラントが、前記多孔率曲線の前記ピーク周辺に並んだ血管直径の1mmの径方向範囲に対応する多孔率の安定状態を更に有する、請求項1に記載の編組インプラント。
- 前記編組インプラントが、前記多孔率曲線の前記ピーク周辺に並んだ血管直径の1mmの径方向範囲と一致する多孔率の安定状態を更に有する、請求項1に記載の編組インプラント。
- 前記編組インプラントの孔密度が、18~23孔/mm2である、請求項1に記載の編組インプラント。
- 前記編組インプラントが、円筒形の多孔質構造である、請求項1に記載の編組インプラント。
- 前記編組インプラントが、少なくとも1つの第1の材料から構成される複数のシングルストランド及び1つ以上の放射線不透過性マルチストランドから形成されている、請求項1に記載の編組インプラント。
- 前記編組インプラントは、各々がそれぞれモノフィラメントと合わせて敷かれている、モノフィラメントで形成された複数のマルチストランドから形成されている、請求項1に記載の編組インプラント。
- 動脈瘤を治療するためのシステムであって、
複数の編組インプラントを備え、各前記編組インプラントが請求項1に記載の編組インプラントである、システム。 - 前記テーパ状血管が、最大1mm異なる近位端直径及び遠位端直径を有し、前記テーパ状血管の直径における前記最大1mmの血管直径範囲は、前記近位端直径と前記遠位端直径とを比較することによって画定される、請求項12に記載のシステム。
- 前記複数の編組インプラントが、
2~3mmの血管直径範囲を治療するように構成された第1の編組インプラントと、
2.5~3.5mmの血管直径範囲を治療するように構成された第2の編組インプラントと、
3.0~4.0mmの血管直径範囲を治療するように構成された第3の編組インプラントと、
3.5~4.5mmの血管直径範囲を治療するように構成された第4の編組インプラントと、
4.0~5.0mmの血管直径範囲を治療するように構成された第5の編組インプラントと、
4.5~5.5mmの血管直径範囲を治療するように構成された第6の編組インプラントと、を備え、
各前記編組インプラントの前記目標多孔率は、65%~70%の範囲である、請求項12に記載のシステム。 - 各前記編組インプラントが、18~23孔/mm2の範囲の孔密度を有する、請求項14に記載のシステム。
- 前記複数の編組インプラントのそれぞれが、前記複数の編組インプラントのうちの次に最小の前記編組インプラントの前記テーパ状血管の直径における前記血管直径範囲の約半分だけ互いにずれている、請求項12に記載のシステム。
- 前記テーパ状血管は、内頸動脈である、請求項1に記載の編組インプラント。
- 前記編組インプラントが、前記多孔率曲線の前記ピーク周辺で前記実質的に一貫した目標多孔率を維持する、請求項1に記載の編組インプラント。
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JP2016047241A (ja) | 2014-08-27 | 2016-04-07 | デピュイ・シンセス・プロダクツ・インコーポレイテッド | 改善された放射線不透過性を有するマルチストランドインプラント |
DE102014113836A1 (de) | 2014-09-24 | 2016-03-24 | Acandis Gmbh & Co. Kg | Verfahren zum Herstellen eines patientenspezifischen, endovaskulären Implantats und derartiges Implantat |
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US20200046526A1 (en) | 2020-02-13 |
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IL268459A (en) | 2020-02-27 |
US10456280B1 (en) | 2019-10-29 |
CN110801257A (zh) | 2020-02-18 |
BR102019016196A2 (pt) | 2020-03-03 |
JP2020022750A (ja) | 2020-02-13 |
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