JP2005287584A - 電気処置器具 - Google Patents
電気処置器具 Download PDFInfo
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- JP2005287584A JP2005287584A JP2004103291A JP2004103291A JP2005287584A JP 2005287584 A JP2005287584 A JP 2005287584A JP 2004103291 A JP2004103291 A JP 2004103291A JP 2004103291 A JP2004103291 A JP 2004103291A JP 2005287584 A JP2005287584 A JP 2005287584A
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- wire
- electrode
- treatment instrument
- sheath
- incision electrode
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Abstract
【解決手段】 体内に挿入可能なシース4と、シース4の遠位端部から突出および引き込み移動自在な棒状の切開用電極10と、を有する電気処置器具2である。切開用電極10が、主線11と、当該主線11の外周に螺旋状に巻回してある巻回線13とから成る線材単位15を有する。巻回線13の外径が主線11の外径よりも小さく、主線11および巻回線13の少なくとも一方が導電性材料で構成してある。
【選択図】 図3
Description
体内に挿入可能なシースと、
前記シースの遠位端部から突出および引き込み移動自在な棒状の切開用電極と、を有する電気処置器具であって、
前記切開用電極が、主線と、当該主線の外周に螺旋状に巻回してある巻回線とから成る線材単位を有し、
前記巻回線の外径が前記主線の外径よりも小さく、
前記主線および巻回線の少なくとも一方が導電性材料で構成してあることを特徴とする。
図2は図1に示すシースの遠位端部の要部断面図、
図3(A)は図1および図2に示す切開用電極の要部拡大図、図3(B)は図3(A)に示す電極に用いる線材単位の要部拡大図、
図4は図1に示す電気処置器具の使用状態を示す概略図である。
4… シース
6… 対向電極
8… 駆動ワイヤ
10… 切開用電極
11… 主線
12… ストッパリング
13… 巻回線
14… 絶縁チューブ
15… 線材単位
16… 外側チューブ
18… 補強用コイル
20… ストッパ用チューブ
30… 操作用本体
32… 操作用把手
Claims (3)
- 体内に挿入可能なシースと、
前記シースの遠位端部から突出および引き込み移動自在な棒状の切開用電極と、を有する電気処置器具であって、
前記切開用電極が、主線と、当該主線の外周に螺旋状に巻回してある巻回線とから成る線材単位を有し、
前記巻回線の外径が前記主線の外径よりも小さく、
前記主線および巻回線の少なくとも一方が導電性材料で構成してあることを特徴とする電気処置器具。 - 前記切開用電極は、二つ以上の前記線材単位を棒状に撚り合わせて構成してある請求項1に記載の電気処置器具。
- 前記主線および巻回線が導電性材料で構成してある請求項1または2に記載の電気処置器具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004103291A JP4262626B2 (ja) | 2004-03-31 | 2004-03-31 | 電気処置器具 |
Applications Claiming Priority (1)
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JP2004103291A JP4262626B2 (ja) | 2004-03-31 | 2004-03-31 | 電気処置器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005287584A true JP2005287584A (ja) | 2005-10-20 |
JP4262626B2 JP4262626B2 (ja) | 2009-05-13 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2004103291A Expired - Lifetime JP4262626B2 (ja) | 2004-03-31 | 2004-03-31 | 電気処置器具 |
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JP (1) | JP4262626B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009233020A (ja) * | 2008-03-26 | 2009-10-15 | Terumo Corp | 生体組織閉鎖デバイス |
-
2004
- 2004-03-31 JP JP2004103291A patent/JP4262626B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009233020A (ja) * | 2008-03-26 | 2009-10-15 | Terumo Corp | 生体組織閉鎖デバイス |
Also Published As
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JP4262626B2 (ja) | 2009-05-13 |
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