JPWO2018062387A1 - 医療デバイスおよび処置方法 - Google Patents
医療デバイスおよび処置方法 Download PDFInfo
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Abstract
Description
20 エネルギー出力部、
21、80、90、100、120、130、140、160、180、200、220 出力部、
23 スリット(切り欠き)、
35 操作ワイヤ、
40、110、150、170、190、210、230 ダイレータ、
42、111、151、171、191、211、231 先端部、
45 第1のルーメン(ルーメン)、
48 ダイレータ曲げ部(曲げ部)、
60 ガイドワイヤ、
70 アブレーションデバイス(処置用デバイス)、
112、131 補填部、
E1 外縁部、
E2 内縁部、
H 孔、
O 卵円窩(生体組織)、
P 突起、
L 左心房、
R 右心房。
Claims (8)
- 生体内の生体組織に孔を形成して当該孔を拡張させるための医療デバイスであって、
内部にルーメンが形成され、遠位側に前記ルーメンが開口する先端部を備える長尺体と、
前記生体組織を変性させて孔を形成するためのエネルギーを出力する出力部と、を有し、
前記出力部は、前記先端部に配置されるとともに、前記先端部の周方向に非連続に設けられ、
前記先端部および出力部の少なくとも一方の外径が、遠位側に向かって徐々に減少する医療デバイス。 - 前記出力部は、前記先端部の遠位側に位置する請求項1に記載の医療デバイス。
- 前記長尺体の中心軸と垂直な断面における前記出力部の前記中心軸からの最長距離は、前記先端部の最大半径よりも小さい請求項1または2に記載の医療デバイス。
- 前記出力部は、遠位側から視て、前記ルーメンの中心軸を囲む凹形状である請求項1〜3のいずれか1項に記載の医療デバイス。
- 前記出力部は、切り欠きを有する周方向に非連続な管体である請求項1〜4のいずれか1項に記載の医療デバイス。
- 前記出力部は、前記長尺体の遠位側の端面に位置するともに、軸方向に延在する切り欠きを有し、
前記長尺体の遠位側の端面は、リング状に連続している請求項1〜5のいずれか1項に記載の医療デバイス。 - 前記長尺体は、遠位側へ向かって一方側へ曲がる曲げ部を有し、
前記電極が前記長尺体の中心軸に対して位置する方向は、前記曲げ部が遠位側へ向かって曲がる方向と逆方向である請求項1〜6のいずれか1項に記載の医療デバイス。 - 請求項1に記載の医療システムを使用して生体内の生体組織に孔を形成して当該孔を拡張させるための処置方法であって、
前記医療デバイスの遠位部を生体内に挿入するステップと、
前記出力部を生体組織に接触させて当該生体組織を変性させて孔を形成するステップと、
前記長尺体を遠位側へ移動させて前記先端部および出力部の少なくとも一方により生体組織の孔を広げるステップと、を有する処置方法。
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Application Number | Priority Date | Filing Date | Title |
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JP2016193183 | 2016-09-30 | ||
JP2016193183 | 2016-09-30 | ||
PCT/JP2017/035214 WO2018062387A1 (ja) | 2016-09-30 | 2017-09-28 | 医療デバイスおよび処置方法 |
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JPWO2018062387A1 true JPWO2018062387A1 (ja) | 2019-08-08 |
JP6917381B2 JP6917381B2 (ja) | 2021-08-11 |
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US (1) | US20190216503A1 (ja) |
EP (1) | EP3520724A4 (ja) |
JP (1) | JP6917381B2 (ja) |
CN (1) | CN109803597B (ja) |
WO (1) | WO2018062387A1 (ja) |
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---|---|---|---|---|
WO2019181611A1 (ja) * | 2018-03-20 | 2019-09-26 | テルモ株式会社 | 医療デバイス |
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CN109803597A (zh) | 2019-05-24 |
JP6917381B2 (ja) | 2021-08-11 |
CN109803597B (zh) | 2021-10-12 |
WO2018062387A1 (ja) | 2018-04-05 |
EP3520724A1 (en) | 2019-08-07 |
EP3520724A4 (en) | 2020-04-22 |
US20190216503A1 (en) | 2019-07-18 |
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