JP2010051779A - 超音波処置装置 - Google Patents
超音波処置装置 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
- A61B2017/320094—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw additional movable means performing clamping operation
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Abstract
【解決手段】 超音波振動子9の先端部であるプローブ部7に対峙され、前記プローブ部7に対しその軸方向に移動しない状態で保持される支点S1と、前記プローブ部7の軸方向に移動可能な作用点S2とを有し、前記プローブ部7に対して開閉駆動されるジョー8を有し、前記ジョー8は、前記プローブ部7に対して前記ジョー8を閉じた状態で、前記プローブ部7の中心線に対して直交する線上に前記作用点S2と前記支点S1とが位置する状態に設定されている。
【選択図】図3
Description
Claims (7)
- 先端部および基端部を有し、かつ少なくとも一部が可撓性を有する筒体によって形成されたシースと、前記シースの先端部に配置され、生体組織を切除する処置を行う処置部とを備えた挿入部と、
前記シースの基端部に配置され、前記処置部を操作する操作部と
を具備する超音波処置装置であって、
前記処置部は、超音波振動を発生する超音波振動子と、前記超音波振動子と一体に連結され、前記超音波振動子から出力される超音波が伝達されるプローブ部と、前記超音波振動子を収容するケーシングとを有する超音波振動子ユニットと、
前記超音波振動子の先端部である前記プローブ部に対峙され、前記プローブ部に対しその軸方向に移動しない状態で保持される支点と、前記プローブ部の軸方向に移動可能な作用点とを有し、前記プローブ部に対して開閉駆動されるジョーと、
前記シースの先端部に連結され、前記ジョーの前記作用点を回動自在に支持するカバー部材と、
前記ケーシングの先端部に配置され、前記ジョーの前記支点を支持する支持部と、
を具備し、
前記操作部は、前記シースと前記カバー部材とを介して前記ジョーの前記作用点を前記プローブ部の軸方向に移動させ、前記支点を中心に前記ジョーを回動させて前記プローブ部に対して前記ジョーを開閉駆動させる可動ハンドルを有し、
前記ジョーは、前記プローブ部に対して前記ジョーを閉じた状態で、前記プローブ部の中心線に対して直交する線上に前記作用点と前記支点とが位置する状態に設定されている超音波処置装置。 - 前記カバー部材は、前記シースの先端部に前記プローブ部の軸回り方向に回転自在に、かつ前記プローブ部の軸方向の移動は前記シースに追従する状態で連結されている請求項1に記載の超音波処置装置。
- 前記シースは、樹脂チューブ内に金属ワイヤの網管であるブレードが入った可撓管である請求項1に記載の超音波処置装置。
- 前記操作部は、前記シースの軸方向に移動可能なスライダと、前記スライダの移動をガイドするガイド部材と、前記可動ハンドルを回動可能に支持する支持部と、前記可動ハンドルが前記支持部を中心に回動する動作に連動して前記スライダを前記シースの軸方向に移動させる作動部とを有し、
前記シースは、前記基端部に前記スライダと固定される固定部を有し、前記可動ハンドルの開閉動作に連動して前記シースの軸方向に移動する請求項1に記載の超音波処置装置。 - 前記操作部は、前記シースの軸回り方向に回転する回転ノブを有し、
前記シースは、内部に先端部および基端部を有するコイルシャフトを含み、
前記コイルシャフトは、前記基端部が前記回転ノブに接続され、前記先端部が前記ケーシングに固定されている請求項1に記載の超音波処置装置。 - 前記シースは、硬質な管体によって形成され、先端部および基端部を有する硬質管体と、前記硬質管体の先端部に連結され、湾曲変形可能な湾曲部とを有する請求項1に記載の超音波処置装置。
- 前記超音波振動子は、全長が1/2波長に設定され、
前記超音波振動子の中間付近にある振動の節部の位置で、前記ケーシングと固定されている請求項1に記載の超音波処置装置。
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US12/201,005 | 2008-08-29 | ||
US12/201,005 US8974477B2 (en) | 2008-08-29 | 2008-08-29 | Ultrasonic operating apparatus |
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JP2010051779A true JP2010051779A (ja) | 2010-03-11 |
JP5164877B2 JP5164877B2 (ja) | 2013-03-21 |
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Cited By (5)
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US20100057117A1 (en) | 2010-03-04 |
US8974477B2 (en) | 2015-03-10 |
JP5164877B2 (ja) | 2013-03-21 |
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