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    • 2. 发明授权
    • Trocar having protector with flexible end and improved seal assembly
    • 套管针具有柔性端部和改进的密封组件的保护器
    • US5906595A
    • 1999-05-25
    • US846221
    • 1997-04-25
    • Darrel M. PowellRichard F. SchwembergerSalvatore PriviteraWilliam D. KellyDavid J. Keilholz
    • Darrel M. PowellRichard F. SchwembergerSalvatore PriviteraWilliam D. KellyDavid J. Keilholz
    • A61B17/34
    • A61B17/3496A61B17/3498A61B2017/3464A61B2017/349
    • A surgical trocar has a cannula assembly including a sleeve having a proximal end, a distal end and a passageway therethrough. A housing having an opening is located at the proximal end of the sleeve and is aligned with the passageway of the sleeve. The trocar also includes an obturator assembly which is insertable in the cannula assembly. The obturator assembly includes a handle and an obturator shaft. The obturator shaft has a proximal end connected to the handle and a distal end opposite the proximal end. A penetrating tip is located at the shaft distal end for penetrating tissue. A protector having a distal end is slidably disposed around the obturator shaft for covering the penetrating tip. The protector has an aperture at its distal end for permitting the penetrating tip to pass therethrough. The protector also includes a flexible proximal end movable against the obturator handle to expose the penetrating tip when a proximal force is asserted against the protector. A seal assembly is located in the housing for sealing against the obturator assembly or surgical instruments passed through the cannula assembly. The seal assembly includes an upper seal arrangement having an aperture. The seal assembly also includes a pressure seal located beneath the upper seal arrangement. The pressure seal includes a pair of side walls. At least one rib is located on the inner surface of each side wall.
    • 手术套管针具有插管组件,其包括具有近端,远端和穿过其的通道的套管。 具有开口的壳体位于套筒的近端并且与套筒的通道对准。 套针还包括可插入插管组件中的闭塞器组件。 闭塞器组件包括手柄和闭孔轴。 闭孔轴具有连接到手柄的近端和与近端相对的远端。 穿透尖端位于轴远端,用于穿透组织。 具有远端的保护器可滑动地设置在封闭器轴周围以覆盖穿透尖端。 保护器在其远端具有允许穿透尖端通过的孔。 保护器还包括柔性近端,当近侧力抵靠保护器被断定时,该近端可抵靠闭塞手柄移动以暴露穿透尖端。 密封组件位于壳体中,用于密封抵靠通过插管组件的闭塞器组件或外科器械。 密封组件包括具有孔的上密封装置。 密封组件还包括位于上密封装置下方的压力密封件。 压力密封件包括一对侧壁。 至少一个肋位于每个侧壁的内表面上。
    • 3. 发明授权
    • Trocar having protector with flexible end
    • 套管针具有灵活的保护器
    • US5879332A
    • 1999-03-09
    • US827317
    • 1997-03-26
    • Richard F. SchwembergerDarrel M. PowellSalvatore PriviteraWilliam D. KellyDavid J. Keilholz
    • Richard F. SchwembergerDarrel M. PowellSalvatore PriviteraWilliam D. KellyDavid J. Keilholz
    • A61B17/34A61M5/178
    • A61B17/3496A61B17/3498
    • A surgical trocar has a cannula assembly including a sleeve having a proximal end, a distal end and a passageway therethrough. A housing having an opening is located at the proximal end of the sleeve and is aligned with the passageway of the sleeve. The trocar also includes an obturator assembly which is insertable in the cannula assembly. The obturator assembly includes a handle and an obturator shaft. The obturator shaft has a proximal end connected to the handle and a distal end opposite the proximal end. A penetrating tip is located at the shaft distal end for penetrating tissue. A protector having a distal end is slidably disposed around the obturator shaft for covering the penetrating tip. The protector has an aperture at its distal end for permitting the penetrating tip to pass therethrough. The protector also includes a flexible proximal end movable against the obturator handle to expose the penetrating tip when a proximal force is asserted against the protector.
    • 手术套管针具有插管组件,其包括具有近端,远端和穿过其的通道的套管。 具有开口的壳体位于套筒的近端并且与套筒的通道对准。 套针还包括可插入插管组件中的闭塞器组件。 闭塞器组件包括手柄和闭孔轴。 闭孔轴具有连接到手柄的近端和与近端相对的远端。 穿透尖端位于轴远端,用于穿透组织。 具有远端的保护器可滑动地设置在封闭器轴周围以覆盖穿透尖端。 保护器在其远端具有允许穿透尖端通过的孔。 保护器还包括柔性近端,当近侧力抵靠保护器被断定时,该近端可抵靠闭塞手柄移动以暴露穿透尖端。
    • 5. 发明授权
    • Trocar having protector with sinusoidal member
    • 套管针具有正弦构件的保护器
    • US5947930A
    • 1999-09-07
    • US226430
    • 1999-01-06
    • Richard F. SchwembergerDarrel M. PowellSalvatore PriviteraWilliam D. KellyDavid J. Keilholz
    • Richard F. SchwembergerDarrel M. PowellSalvatore PriviteraWilliam D. KellyDavid J. Keilholz
    • A61B17/34A61M5/178
    • A61B17/3496A61B17/3498
    • A surgical trocar has a cannula assembly including a sleeve having a proximal end, a distal end and a passageway therethrough. A housing having an opening is located at the proximal end of the sleeve and is aligned with the passageway of the sleeve. The trocar also includes an obturator assembly which is insertable in the cannula assembly. The obturator assembly includes a handle and an obturator shaft. The obturator shaft has a proximal end connected to the handle and a distal end opposite the proximal end. A penetrating tip is located at the shaft distal end for penetrating tissue. A protector having a distal end is slidably disposed around the obturator shaft for covering the penetrating tip. The protector has an aperture at its distal end for permitting the penetrating tip to pass therethrough. The protector also includes a flexible proximal end movable against the obturator handle to expose the penetrating tip when a proximal force is asserted against the protector. The flexible proximal end of the protector includes a sinusoidal member for contacting the obturator handle.
    • 手术套管针具有插管组件,其包括具有近端,远端和穿过其的通道的套管。 具有开口的壳体位于套筒的近端并且与套筒的通道对准。 套针还包括可插入插管组件中的闭塞器组件。 闭塞器组件包括手柄和闭孔轴。 闭孔轴具有连接到手柄的近端和与近端相对的远端。 穿透尖端位于轴远端,用于穿透组织。 具有远端的保护器可滑动地设置在封闭器轴周围以覆盖穿透尖端。 保护器在其远端具有允许穿透尖端通过的孔。 保护器还包括柔性近端,当近侧力抵靠保护器被断定时,该近端可抵靠闭塞手柄移动以暴露穿透尖端。 保护器的柔性近端包括用于接触闭塞手柄的正弦构件。