JP7290264B2 - 電極カテーテルに使用されるカテーテルチューブユニットとその製造方法、カテーテルチューブ及び電極カテーテル - Google Patents
電極カテーテルに使用されるカテーテルチューブユニットとその製造方法、カテーテルチューブ及び電極カテーテル Download PDFInfo
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- JP7290264B2 JP7290264B2 JP2018147587A JP2018147587A JP7290264B2 JP 7290264 B2 JP7290264 B2 JP 7290264B2 JP 2018147587 A JP2018147587 A JP 2018147587A JP 2018147587 A JP2018147587 A JP 2018147587A JP 7290264 B2 JP7290264 B2 JP 7290264B2
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- wire
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- Physics & Mathematics (AREA)
- Surgery (AREA)
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- Pathology (AREA)
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Description
前記ワイヤと、
このワイヤを挿通する芯管、この芯管の外周に配置され、前記電極に接続される複数のリード線、及びこの複数のリード線の全体における少なくとも外側を被覆する被覆材を少なくとも有する長尺かつ一体の構造体と、
この構造体の外周面に配置され、前記構造体を芯材とした押出成形体である外装チューブとを備えることを特徴としている。
前記電極ユニットは、電極チューブと、この電極チューブの内部に収容され前記カテーテルチューブの先端を屈曲及び伸展可能とする部材とを備え、
前記カテーテルチューブユニットから延在する前記ワイヤ及び前記リード線が前記電極チューブに挿入され、前記ワイヤが前記電極チューブの先端側に固定され、前記リード線が前記電極に接続されていることを特徴する。
前記ワイヤを挿通する芯管の外周に、前記電極に接続される複数のリード線を配置すること、及びこの複数のリード線の全体における少なくとも外側を被覆材によって被覆することを含み、前記芯管、前記複数のリード線、及び前記被覆材を少なくとも有する長尺かつ一体の構造体を得る工程;及び
前記構造体を芯材として、その外周面に外装チューブを押出成形する工程。
(A)ワイヤ5を挿通する芯管6の外周に、電極4,4…に接続される複数のリード線7,7…を配置すること(図4)、及び(B)この複数のリード線7,7…の全体における少なくとも外側を被覆材8によって被覆すること(図5)を含み、芯管6、複数のリード線7,7…、及び被覆材8を少なくとも有する長尺かつ一体の構造体10を得る工程;及び
構造体10を芯材として、その外周面に外装チューブ11を押出成形する工程(図7)。
2 カテーテルチューブ
2a カテーテルチューブユニット
2b 電極ユニット
3 操作部
3a 操作部先端
3b 操作部後端
3c 可動部材
4 電極
5 ワイヤ
6 芯管
7 リード線
8 被覆材
9 編組
10 構造体
11 外装チューブ
11a 成形材料
12 連結管
13 連結部
14 電極チューブ
15 板バネ
16 口金
105 ワイヤ
106 芯管
107 リード線
111 外装チューブ
200 カテーテルチューブ
201 内部空間
Claims (3)
- カテーテルチューブユニットと、該カテーテルチューブユニットの先端に連結された電極ユニットとを備え、基端側でワイヤを操作することにより先端を屈曲及び伸展可能なカテーテルチューブであって、
前記カテーテルチューブユニットは、1本の前記ワイヤと、
このワイヤを挿通する芯管、この芯管の外周に配置され、前記電極に接続される複数のリード線、及びこの複数のリード線の全体における少なくとも外側を被覆する被覆材と、この被覆材の外周に配置された編組を有する長尺かつ一体の構造体と、
この構造体の外周面に配置され、前記構造体を芯材とした押出成形体である外装チューブとを備えており、
前記電極ユニットは、電極チューブと、この電極チューブの内部に収容され前記カテーテルチューブの先端を屈曲及び伸展可能とする板バネとを備えており、
前記カテーテルチューブユニットから延在する前記ワイヤ及び前記リード線が前記電極チューブに挿入され、前記ワイヤが前記板バネの片面に配置されるとともに、前記電極チューブの先端側に固定され、前記リード線が前記電極に接続されている、カテーテルチューブ。 - 請求項1に記載のカテーテルチューブと、このカテーテルチューブの基端側に設けられ、前記カテーテルチューブの前記先端が屈曲及び伸展するように前記ワイヤを操作可能な操作部とを備える、電極カテーテル。
- 請求項1に記載のカテーテルチューブの内部に収容されるカテーテルチューブユニットの製造方法であって、以下の工程を含む、カテーテルチューブユニットの製造方法:
前記ワイヤを挿通する芯管の外周に、前記電極に接続される複数のリード線を配置すること、この複数のリード線の全体における少なくとも外側を被覆材によって被覆すること、及び前記被覆材の外周に編組を配置することを含み、前記芯管、前記複数のリード線、前記被覆材及び前記編組を有する長尺かつ一体の構造体を得る工程;及び
前記構造体を芯材として、その外周面に外装チューブを押出成形する工程。
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JP2018147587A JP7290264B2 (ja) | 2018-08-06 | 2018-08-06 | 電極カテーテルに使用されるカテーテルチューブユニットとその製造方法、カテーテルチューブ及び電極カテーテル |
US17/265,682 US20210321944A1 (en) | 2018-08-06 | 2019-08-06 | Catheter tube unit used for electrode catheter, method for manufacturing the same, catheter tube, and electrode catheter |
PCT/JP2019/030929 WO2020032033A1 (ja) | 2018-08-06 | 2019-08-06 | 電極カテーテルに使用されるカテーテルチューブユニットとその製造方法、カテーテルチューブ及び電極カテーテル |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050060885A1 (en) | 2003-09-22 | 2005-03-24 | Michael Johnson | Method for manufacturing medical device having embedded traces and formed electrodes |
JP2009268696A (ja) | 2008-05-07 | 2009-11-19 | Japan Lifeline Co Ltd | 電極カテーテル |
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US5318525A (en) * | 1992-04-10 | 1994-06-07 | Medtronic Cardiorhythm | Steerable electrode catheter |
EP0861676B1 (en) * | 1993-11-10 | 2003-10-01 | Medtronic Cardiorhythm | Electrode array catheter |
US5571085A (en) * | 1995-03-24 | 1996-11-05 | Electro-Catheter Corporation | Steerable open lumen catheter |
EP1395306B1 (en) * | 2001-05-21 | 2006-05-31 | Medtronic, Inc. | Malleable elongated medical device |
JP4544457B2 (ja) * | 2004-08-26 | 2010-09-15 | 日本ライフライン株式会社 | 先端偏向操作可能カテーテル |
EP3003453B1 (en) * | 2013-06-07 | 2019-08-07 | Cathrx Ltd | An electrical lead for a catheter and method of manufacturing |
EP3476287B1 (en) * | 2014-01-28 | 2022-02-23 | St. Jude Medical, Cardiology Division, Inc. | Method of manufacture of a catheter shaft with electrically-conductive traces |
JP6541268B2 (ja) * | 2016-02-25 | 2019-07-10 | 日本ライフライン株式会社 | 電極カテーテル |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050060885A1 (en) | 2003-09-22 | 2005-03-24 | Michael Johnson | Method for manufacturing medical device having embedded traces and formed electrodes |
JP2009268696A (ja) | 2008-05-07 | 2009-11-19 | Japan Lifeline Co Ltd | 電極カテーテル |
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US20210321944A1 (en) | 2021-10-21 |
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