JP2008539815A - 内視鏡手術又は関節鏡手術を行う鉗子 - Google Patents
内視鏡手術又は関節鏡手術を行う鉗子 Download PDFInfo
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Abstract
Description
Claims (26)
- チューブ組立体(46)のアダプタ(58)を保持するボディ組立体(42)であって、
ハウジング(134)を有し、前記ハウジングは、軸線方向孔(140)を有し、
前記ハウジング(134)は、上面(96)を有し、この上面(96)は、軸線(BB)に沿って延び且つ軸線方向孔(140)に開口している横断方向孔(148)を有し、
前記ハウジング(134)は、ロック軸線(AA)に沿って延び且つ前記横断方向孔(148)と交差する横方向孔(160)を有し、
更に、前記横断方向孔(148)内に配置されたロック体(150)を有し、前記ロック体は、ロック体接触部(156)と、このロック体接触部(156)から前記ロック体の軸線方向に間隔をおいたロックピン(154)と、を有し、
更に、プランジャ(166)を有し、前記プランジャは、前記横方向孔(160)内に配置され且つ前記横断方向孔(148)と交差するプランジャシャフト(168)を有し、
前記プランジャシャフト(168)は、プランジャ接触部(174)を有し、このプランジャ接触部(174)は、前記プランジャ(166)を前記ロック軸線(AA)に沿って移動させるときに、前記ロックピン(154)を前記プランジャ軸線(BB)に沿って前記軸線方向孔(140)の中に移動させる力を前記ロック体接触部(156)に付与するように、前記ロック体(150)のロック体接触部(156)と摺動可能に対向し、前記ロックピン(154)は、アダプタ(58)に係合し且つチューブ組立体(46)をボディ組立体(42)に保持する、ボディ組立体(42)。 - 前記プランジャ接触部(174)は、プランジャ軸線(BB)に対して傾斜したプランジャ傾斜部(174)として形成され、前記ロック体接触部(156)は、前記プランジャ傾斜部(174)と摺動可能に対向し、前記ロック体接触部(156)が前記プランジャ傾斜部(174)に沿って摺動するとき、前記ロックピン(154)をプランジャ軸線(BB)に沿って移動させる、請求項1に記載のボディ組立体(42)。
- 前記ロック体接触部(156)は、前記プランジャ傾斜部(174)に対向して前記プランジャ軸線(BB)に対して傾斜したロック体傾斜部(156)として形成され、前記プランジャ傾斜部(174)及び前記ロック体傾斜部(156)は、摺動可能に対向する、請求項1に記載のボディ組立体(42)。
- 前記ロック体傾斜部(156)は、前記プランジャ軸線(BB)に対して第1の角度で傾斜し、前記プランジャ傾斜部(174)は、前記プランジャ軸線方向(BB)に対して第2の角度で傾斜する、請求項3に記載のボディ組立体(42)。
- 前記第1の角度及び前記第2の角度は等しく、前記ロック体傾斜部(156)は、ロック体傾斜面(156)を有し、前記プランジャ傾斜部(174)は、プランジャ傾斜面(174)を有し、前記ロック体傾斜面(156)及びプランジャ傾斜面(174)は、摺動可能に接触する、請求項4に記載のボディ組立体(42)。
- 前記プランジャシャフト(168)は、スロット(177)を有し、前記ロック体(150)のロックピン(154)は、前記スロット(177)を貫いて延びる、請求項1に記載のボディ組立体。
- 前記ロック体(150)は、更に、ベース(152)を有し、前記ベース(152)は、スロット(177)の中を移動可能に延び、前記ロックピン(154)及び前記ロック体接触部(156)は、前記プランジャシャフト(168)の両側に配置される、請求項6に記載のボディ組立体(42)。
- 前記プランジャ接触部(174)は、前記プランジャ軸線(BB)に対して傾斜したプランジャ傾斜部(174)として形成され、前記ロック体接触部(156)は、前記プランジャ傾斜部(174)に対して摺動可能に対向し、前記ロック体接触部(156)が前記プランジャ傾斜部(174)に沿って摺動するとき、前記ロックピン(154)を前記プランジャ軸線(BB)に沿って移動させる、請求項7に記載のボディ組立体(42)。
- 前記プランジャ傾斜部(174)は、更に、V字型ノッチを形成するように前記プランジャシャフト(168)に形成される、請求項8に記載のボディ組立体(42)。
- 前記プランジャ傾斜部(174)は、互いに平行な1対のプランジャ傾斜部(174)として形成され、前記1対のプランジャ傾斜部(174)は、前記スロット(177)の両側において前記プランジャシャフト(168)に形成される、請求項9に記載のボディ組立体。
- 前記ロック体接触部(156)は、それに対応する前記プランジャ傾斜部(174)に対して摺動可能に対向する1対のロック体接触部(156)として形成される、請求項10に記載のボディ組立体。
- 前記ロック体接触部(156)は、互いに平行な1対のロック体傾斜部(156)として形成され、前記1対のロック体傾斜部(156)は、前記プランジャ傾斜部(174)に対向し且つ前記プランジャ軸線(BB)に対して傾斜する、請求項11記載のボディ組立体(42)。
- 前記横断方向孔(148)及び横方向孔(160)は、互いにほぼ垂直である、請求項1に記載のボディ組立体(42)。
- 前記横断方向孔(148)及び軸線方向孔(140)は、互いにほぼ垂直である、請求項1に記載のボディ組立体(42)。
- 前記プランジャ(166)は、更に、それをロック軸線(AA)に沿って移動させるように押すためのヘッド(170)を有し、前記ヘッド(170)は、前記プランジャシャフト(168)から延びる、請求項1に記載のボディ組立体(42)。
- 更に、前記ボディの上面(96)に取付けられたスプリングキャップ(162)を有し、前記スプリングキャップは、前記横断方向孔(148)内に前記ロック体(150)を保持するために前記横断方向孔(148)を覆う、請求項1に記載のボディ組立体(42)。
- 更に、前記スプリングキャップ(162)と前記ロック体(150)との間に配置されたスプリングを有し、前記スプリングは、前記ロックピン(154)を前記軸線方向孔(140)の中に付勢する力を前記プランジャ軸線(BB)に沿って前記ロック体(150)に付与し、前記プランジャ(166)を前記ロック軸線(AA)に沿って移動させるときに前記プランジャ(166)に抵抗を付与する、請求項16に記載のボディ組立体(42)。
- 前記ロック体(150)は、前記ロックピン(154)の反対側にスプリングポケット(159)を有し、前記スプリングの一部は、それが前記ロック体の中に収容されるように前記スプリングポケット(159)内で着座する、請求項17に記載のボディ組立体(42)。
- 前記スプリングキャップ(162)は、オリフィス(199)を有し、前記スプリングの一部は、それが前記スプリングキャップ(162)の中に収容されるように前記オリフィス(199)内で着座する、請求項17に記載のボディ組立体(42)。
- 前記スプリングキャップ(162)は、更に、外部電源に接続される電極(249)を有し、前記電極(249)は、ロック体(150)に接触し、電流を前記ロックピン(154)を通してチューブ組立体(46)に伝達する、請求項16に記載のボディ組立体(42)。
- 更に、双極電流を前記ロックピン(154)を介してチューブ組立体(46)に伝達する第2の電極(249)を有する、請求項20に記載のボディ組立体(42)。
- 前記プランジャ(166)は、更に、端部(172)を有し、スクリュウキャップ(179)が、前記プランジャ(166)を前記横方向孔(166)内に保持するように前記端部(172)に配置される、請求項1に記載のボディ組立体(42)。
- 更に、片手でボディ組立体(42)を把持し且つ前記プランジャ(166)を前記ロックに沿って移動させるために、前記ボディから延び且つ横方向孔(160)を覆うキャップ(173)を有する、請求項1に記載のボディ組立体(42)。
- 前記ボディは、それを電流から絶縁する絶縁材料で形成される、請求項1記載のボディ組立体(42)。
- チューブ組立体(46)のケーブル(70)を保持するボディ組立体(42)であって、
チューブ軸線(DD)に沿って延びる孔(142)を有するハウジング(134)と、
孔(142)の中で前記チューブ軸線(DD)に沿って摺動可能に前記孔(142)内に配置された掴み部組立体(175)と、を有し、
前記掴み部組立体(175)は、複数のフィンガ(184)を有し、前記フィンガ(184)は、前記チューブ軸線(DD)に沿う前記掴み部組立体(175)及びフィンガ(184)の摺動に応答してチューブ組立体(46)の保持器端部(251)を掴んだり解放したりするように、前記フィンガ(184)が前記孔(142)内に配置されるときの閉位置と、前記フィンガ(184)が前記孔(142)の外部にあるときの開位置との間を移動可能である、ボディ組立体(42)。 - ボディ組立体に取付けられる先端部組立体であって、
チューブ軸線(DD)に沿って延びるケーブル開口(120)を有するシャフト(108)を有し、前記シャフト(108)は、それを貫いて延び且つ前記ケーブル開口(120)と交差する先端部チャンバ(122)と、ヒップ(130)と、を有し、
更に、前記シャフト(108)にピボット運動できるように取付けられた、切断手術を行うためのブレード(90)と、
前記チューブ軸線(DD)に沿って摺動可能に配置されたケーブル(70)と、を有し、前記ケーブル(70)は、それを前記シャフト(108)内で前記チューブ軸線(DD)に沿って摺動させるために前記シャフト(108)のケーブル開口(120)の中に延び、
更に、前記ケーブル(70)から延びるケーブル端部(74)を有し、前記ケーブル端部(74)は、前記ケーブル(70)を前記ブレード(90)に向かって摺動させたときに前記ブレード(90)を前記シャフト(108)に対して開き且つ前記ケーブル(70)を前記ブレード(90)から離れる方向に摺動させたときに前記ブレード(90)を前記シャフト(108)に対して閉じるように、前記ブレード(90)にピボット運動可能に取付けられ、
更に、前記ケーブル(70)を前記チューブ軸線(DD)に沿って移動させるときに前記ケーブル(70)の移動を制限するために、前記ケーブル端部(74)から突出するショルダ部(80)を有する、先端部組立体。
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PCT/US2006/016519 WO2006119139A2 (en) | 2005-04-29 | 2006-04-28 | Forceps for performing endoscopic or arthrocsopic surgery |
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JP4966296B2 (ja) | 2012-07-04 |
US7871423B2 (en) | 2011-01-18 |
EP1876979B1 (en) | 2011-10-05 |
WO2006119139A2 (en) | 2006-11-09 |
CN101193600A (zh) | 2008-06-04 |
US20060259070A1 (en) | 2006-11-16 |
WO2006119139A3 (en) | 2007-01-11 |
ATE526890T1 (de) | 2011-10-15 |
CN101193600B (zh) | 2010-09-08 |
US20110087268A1 (en) | 2011-04-14 |
EP1876979A2 (en) | 2008-01-16 |
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