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    • 2. 发明申请
    • Surgical knife safety handle
    • 手术刀安全手柄
    • US20050015104A1
    • 2005-01-20
    • US10828501
    • 2004-04-21
    • Michael MorawskiDana CotePatrick ThrailkillDavid SeebauerMohan RajasekaranBrian Rapp
    • Michael MorawskiDana CotePatrick ThrailkillDavid SeebauerMohan RajasekaranBrian Rapp
    • A61B17/32A61B19/00A61F9/013
    • A61B17/3211A61B2017/32113A61B2090/0801A61F9/0133
    • A surgical knife safety device having a handle, a blade connected to the handle, and a guard carried by the handle for sliding movement between a retracted position in which the blade is exposed for use, and an extended position for covering the sharp cutting edge of the blade. In the retracted position, an enlarged guard radius is provided at the distal end of the handle to allow improved handle control and blade orientation. The enlarged guard radius is positioned to allow the user to firmly grip a large distal handle portion which is preferably molded as a single piece with the blade holder, preventing unwanted blade or handle movement due to guard mechanism tolerances. A spring, such as leaf spring, and a pair of detents or slots are provided to fix the guard in the extended or retracted position, and provide resistance during movement between the two positions. Additionally, an antitravel mechanism is incorporated in the guard to prevent accidental retraction from the fully extended position.
    • 一种手术刀安全装置,其具有手柄,连接到手柄的刀片和由手柄承载的护罩,用于在刀片暴露于其使用的缩回位置之间滑动运动,以及用于将尖锐切削刃覆盖的延伸位置 刀片。 在缩回位置,在把手的远端处设置有一个放大的防护半径,以便改进手柄控制和刀片方位。 放大的保护半径被定位成允许使用者牢固地握住优选地用刀片保持器模制成单件的大型远端把手部分,防止由于保护机构公差引起的不期望的刀片或手柄移动。 提供诸如片簧的弹簧和一对制动器或狭槽以将防护件固定在延伸或缩回的位置,并且在两个位置之间的运动期间提供阻力。 此外,防护装置结合在防护装置中以防止从完全伸出位置的意外收回。