JP6736290B2 - 改善されたスパイン可撓性を備えるバスケットカテーテル - Google Patents
改善されたスパイン可撓性を備えるバスケットカテーテル Download PDFInfo
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Description
(1) カテーテルであって、
近位端部及び遠位端部並びに内部を通る少なくとも1つの内腔を有する細長いカテーテル本体と、
前記カテーテル本体の前記遠位端部のバスケット形状の電極アセンブリであって、前記バスケット形状の電極アセンブリが、近位端部及び遠位端部を有し、かつ複数のスパインを備え、少なくとも1つのスパインが、より高い可撓性の少なくとも1つの領域と、より低い可撓性の少なくとも1つの領域とを有する、バスケット形状の電極アセンブリと、を備える、カテーテル。
(2) より高い可撓性の前記領域が、前記少なくとも1つのスパインの赤道領域を含む、実施態様1に記載のカテーテル。
(3) 前記少なくとも1つのスパインが、厚さ寸法を有し、より高い可撓性の前記領域が、より小さい厚さを有する、実施態様1に記載のカテーテル。
(4) 前記少なくとも1つのスパインが、幅寸法を有し、より高い可撓性の前記領域が、より小さい幅を有する、実施態様1に記載のカテーテル。
(5) より高い可撓性の前記領域が、ノッチを含む、実施態様1に記載のカテーテル。
(7) 前記ノッチが、内側又は外側にある、実施態様5に記載のカテーテル。
(8) 前記ノッチが、概して滑らかな輪郭線を有する、実施態様5に記載のカテーテル。
(9) 前記ノッチが、段付き輪郭線を有する、実施態様5に記載のカテーテル。
(10) 前記少なくとも1つのスパインが、より低い可撓性の第2の領域を含み、より高い可撓性の前記領域が、より低い可撓性の領域間にある、実施態様1に記載のカテーテル。
(12) カテーテルであって、
近位端部及び遠位端部並びに内部を通る少なくとも1つの内腔を有する細長いカテーテル本体と、
前記カテーテル本体の前記遠位端部のバスケット形状の電極アセンブリであって、前記バスケット形状の電極アセンブリが、近位端部及び遠位端部を有し、かつ複数のスパインを備え、少なくとも1つのスパインが、近位領域と、遠位領域と、それらの間における、より小さい断面を有するより高い可撓性の少なくとも1つの領域とを有する、バスケット形状の電極アセンブリと、を備え、
前記アセンブリが、折り畳まれた形状、膨張形状、及び超膨張形状をとるように適合される、カテーテル。
(13) 前記少なくとも1つの領域が、前記少なくとも1つのスパインの赤道領域を含む、実施態様12に記載のカテーテル。
(14) 前記少なくとも1つのスパインが、より低い可撓性の中間領域によって隔てられた、より高い可撓性の第1の領域及び第2の領域を有する、実施態様12に記載のカテーテル。
(15) 前記少なくとも1つのスパインが、厚さ寸法を有し、前記少なくとも1つの領域が、より小さい厚さを有する、実施態様12に記載のカテーテル。
(17) 前記少なくとも1つの領域が、滑らかな輪郭線を有する、実施態様12に記載のカテーテル。
(18) 前記少なくとも1つの領域が、段付き輪郭線を有する、実施態様12に記載のカテーテル。
(19) 隣接するスパインを互いに弾性的に接続する少なくとも1つの引張り部材を更に備える、実施態様12に記載のカテーテル。
(20) 前記少なくとも1つの引張り部材が、前記隣接するスパインの赤道領域に固定される、実施態様19に記載のカテーテル。
Claims (22)
- カテーテルであって、
近位端部及び遠位端部並びに内部を通る少なくとも1つの内腔を有する細長いカテーテル本体と、
前記カテーテル本体の前記遠位端部にあるバスケット形状の電極アセンブリであって、前記バスケット形状の電極アセンブリが、近位端部及び遠位端部を有し、かつ複数のスパインを備え、前記複数のスパインのうち少なくとも1つのスパインが、より低い可撓性の少なくとも2つ領域と、その間により高い可撓性の少なくとも1つの領域とを有する、バスケット形状の電極アセンブリと、を備え、
前記バスケット形状の電極アセンブリは、
前記少なくとも1つのスパインが概ね前記カテーテル本体の軸に沿って配置される折り畳まれた形状と、
前記少なくとも1つのスパインがその長さに沿って概ね均一に屈曲した曲率を有する膨張形状と、
前記より低い可撓性の少なくとも2つの領域で概ね均一な曲率を有し、前記より高い可撓性の少なくとも1つの領域で超曲率又はより鋭角的な曲率を有する、超膨張形状と、
をとるように適合されている、カテーテル。 - 前記より高い可撓性の少なくとも1つの領域が、前記少なくとも1つのスパインの赤道領域を含む、請求項1に記載のカテーテル。
- 前記少なくとも1つのスパインが、厚さ寸法を有し、前記より高い可撓性の少なくとも1つの領域が、より小さい厚さを有する、請求項1に記載のカテーテル。
- 前記少なくとも1つのスパインが、幅寸法を有し、前記より高い可撓性の少なくとも1つの領域が、より小さい幅を有する、請求項1に記載のカテーテル。
- 前記より高い可撓性の少なくとも1つの領域が、ノッチを含む、請求項1に記載のカテーテル。
- 前記ノッチが、側方にある、請求項5に記載のカテーテル。
- 前記ノッチが、内側又は外側にある、請求項5に記載のカテーテル。
- 前記ノッチが、概して滑らかな輪郭線を有する、請求項5に記載のカテーテル。
- 前記ノッチが、段付き輪郭線を有する、請求項5に記載のカテーテル。
- 前記より高い可撓性の少なくとも1つの領域が、前記少なくとも1つのスパインの赤道領域を含み、前記より低い可撓性の少なくとも2つの領域のうちの1つが、前記少なくとも1つのスパインの遠位領域を含み、別の1つが前記少なくとも1つのスパインの近位領域を含む、請求項1に記載のカテーテル。
- 前記少なくとも1つのスパインが、近位領域と、遠位領域と、それらの間における、より小さい断面を有する少なくとも1つの領域とを有する、請求項1に記載のカテーテル。
- 前記より小さい断面を有する少なくとも1つの領域が、前記少なくとも1つのスパインの赤道領域を含む、請求項11に記載のカテーテル。
- 前記より高い可撓性の少なくとも1つの領域が、より低い可撓性の中間領域によって隔てられた、より高い可撓性の第1の領域及び第2の領域を含む、請求項1に記載のカテーテル。
- 前記少なくとも1つのスパインが、厚さ寸法を有し、前記より小さい断面を有する少なくとも1つの領域が、より小さい厚さを有する、請求項11に記載のカテーテル。
- 前記少なくとも1つのスパインが、幅寸法を有し、前記より小さい断面を有する少なくとも1つの領域が、より小さい幅を有する、請求項11に記載のカテーテル。
- 前記より小さい断面を有する少なくとも1つの領域が、滑らかな輪郭線を有する、請求項11に記載のカテーテル。
- 前記より小さい断面を有する少なくとも1つの領域が、段付き輪郭線を有する、請求項11に記載のカテーテル。
- 隣接する前記スパインを互いに弾性的に接続する少なくとも1つの引張り部材を更に備える、請求項1に記載のカテーテル。
- 前記少なくとも1つの引張り部材が、前記隣接するスパインの赤道領域に固定される、請求項18に記載のカテーテル。
- 前記バスケット形状の電極アセンブリを前記折り畳まれた形状から前記膨張形状へと変化させるために、前記カテーテル本体に対して長手方向に動くようになっている、膨張部を更に備える、請求項18に記載のカテーテル。
- 前記超膨張形状において前記少なくとも1つのスパインは、より高い可撓性の前記赤道領域で鋭角的な屈曲を有するV形状をとる、請求項2に記載のカテーテル。
- 前記超膨張形状において前記少なくとも1つのスパインは、前記より高い可撓性の第1の領域で第1の鋭角的な屈曲を有し、前記より高い可撓性の第2の領域で第2の鋭角的な屈曲を有する、U形状をとる、請求項13に記載のカテーテル。
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US14/587,497 US9782099B2 (en) | 2014-12-31 | 2014-12-31 | Basket catheter with improved spine flexibility |
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AU2015268757A1 (en) | 2016-07-14 |
RU2015156478A (ru) | 2017-07-04 |
CN105796090A (zh) | 2016-07-27 |
US9782099B2 (en) | 2017-10-10 |
US20190167140A1 (en) | 2019-06-06 |
IL243184B (en) | 2019-03-31 |
AU2015268757B2 (en) | 2019-10-24 |
JP2016127920A (ja) | 2016-07-14 |
CA2916282A1 (en) | 2016-06-30 |
US20200205690A1 (en) | 2020-07-02 |
US10973426B2 (en) | 2021-04-13 |
US20180028084A1 (en) | 2018-02-01 |
EP3040042B1 (en) | 2020-07-29 |
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