JP7168839B2 - はさみ鉗子 - Google Patents
はさみ鉗子 Download PDFInfo
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- JP7168839B2 JP7168839B2 JP2018008227A JP2018008227A JP7168839B2 JP 7168839 B2 JP7168839 B2 JP 7168839B2 JP 2018008227 A JP2018008227 A JP 2018008227A JP 2018008227 A JP2018008227 A JP 2018008227A JP 7168839 B2 JP7168839 B2 JP 7168839B2
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Claims (2)
- 先端に形成された1対のU字溝により二股に分岐する1対の顎部を一体に備える金属製の中空円筒部材と、
該1対の顎部に備えられた貫通孔に挿通されて該中空円筒部材の軸方向と直交する方向に配置された軸部材と、
互いに同一方向に凸の円弧部と該円弧部の端部から該中空円筒部材の基端に向かって延びる直線部とを備える金属製の1対の刃部を備え、一方の刃部の円弧部は他方の刃部の円弧部と異なる曲率を有し、該1対の刃部は該直線部で該軸部材に互いに反対方向に回動自在に軸支されたはさみ部と、
該中空円筒部材の中空部に進退自在に収容され、先端部が該1対の刃部の直線部の該円弧部と反対側の端部に接続されたロッド部材と、
該中空円筒部材の表面を被覆する絶縁部材とを備えるはさみ鉗子において、
該中空円筒部材は、前記1対のU字溝の基端部から軸方向に沿って基端方向に延在する1対のスリットと、前記スリットを挟んで対向する面にそれぞれ設けられ、前記絶縁部材の収縮力による負荷により一対の顎部が接近したときにその先端部が接触する位置で互いに対向する1対の突起部を備えることを特徴とするはさみ鉗子。 - 請求項1に記載のはさみ鉗子において、前記ロッド部材は前記1対の刃部の直線部の端部にカム機構を介して接続され、前進したときに該1対の刃部を開き、後退したときに該1対の刃部を閉じることを特徴とするはさみ鉗子。
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JP2018008227A JP7168839B2 (ja) | 2018-01-22 | 2018-01-22 | はさみ鉗子 |
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JP2018008227A JP7168839B2 (ja) | 2018-01-22 | 2018-01-22 | はさみ鉗子 |
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JP2019126424A JP2019126424A (ja) | 2019-08-01 |
JP7168839B2 true JP7168839B2 (ja) | 2022-11-10 |
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JP2018008227A Active JP7168839B2 (ja) | 2018-01-22 | 2018-01-22 | はさみ鉗子 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005512606A (ja) | 2001-04-06 | 2005-05-12 | シャーウッド・サービシーズ・アクチェンゲゼルシャフト | 血管の封着機および分割機 |
JP2011189185A (ja) | 2004-10-08 | 2011-09-29 | Ethicon Endo Surgery Inc | 超音波手術器具 |
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JPH0838485A (ja) * | 1994-07-29 | 1996-02-13 | Olympus Optical Co Ltd | 内視鏡用処置具 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2005512606A (ja) | 2001-04-06 | 2005-05-12 | シャーウッド・サービシーズ・アクチェンゲゼルシャフト | 血管の封着機および分割機 |
JP2011189185A (ja) | 2004-10-08 | 2011-09-29 | Ethicon Endo Surgery Inc | 超音波手術器具 |
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