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    • 8. 发明授权
    • Disposable endoscope sheath
    • 一次性内镜套
    • US6110103A
    • 2000-08-29
    • US93619
    • 1998-06-09
    • William Donofrio
    • William Donofrio
    • A61B1/00A61B1/12A61B1/015
    • A61B1/00142A61B1/126
    • The disposable endoscope sheath includes a low-profile sleeve member that can accommodate a variety of different endoscope lengths that are longer than the sleeve member. In several embodiments of the invention, the sleeve member includes irrigation channels that do not communicate with an endoscope receiving space. In other embodiments of the invention, irrigation fluid passes through the endoscope receiving space of the sleeve member. In all embodiments of the invention, irrigation fluid that is expelled from the sleeve member can flush surgical debris away from the viewing end of the endoscope. The sleeve member has a generally low profile and does not require continuous suction to halt the expulsion of irrigation fluid from the sheath when the irrigation function is not being used. A brief reverse suction can be used to remove a residual drop of cleaning solution from the viewing end of the sheath.
    • 一次性内窥镜套管包括可以适应比套筒构件更长的各种不同内窥镜长度的低轮廓套筒构件。 在本发明的若干实施例中,套筒构件包括不与内窥镜接收空间连通的冲洗通道。 在本发明的其它实施例中,冲洗流体穿过套筒构件的内窥镜容纳空间。 在本发明的所有实施例中,从套筒构件排出的冲洗流体可以将内窥镜的观察端的外科手术碎片冲洗掉。 当不使用冲洗功能时,套筒构件具有通常低的轮廓并且不需要连续的抽吸以停止冲洗流体从护套的排出。 可以使用简单的反向抽吸来从护套的观察端去除残留的清洁溶液滴。
    • 9. 发明授权
    • Disposable endoscope sheath
    • 一次性内镜套
    • US5989183A
    • 1999-11-23
    • US129180
    • 1998-06-05
    • Dennis ReisdorfWilliam Donofrio
    • Dennis ReisdorfWilliam Donofrio
    • A61B1/00A61B1/12
    • A61B1/00091A61B1/00135A61B1/00142A61B1/12
    • The disposable endoscope sheath includes a low-profile sleeve member that cooperates with the endoscope shaft to establish a relatively narrow irrigation space between the sleeve member and the endoscope shaft. The sleeve member is intentionally shorter than the endoscope shaft to accommodate a variety of different endoscope lengths that are longer than the sleeve. In various embodiments of the invention the sleeve member can be positioned to establish a predetermined distal gap between the terminal end of the sleeve member and the viewing end of the endoscope shaft, to establish a flush alignment between the respective ends, or to have the endoscope shaft project slightly beyond the terminal end of the sleeve member. Irrigation fluid can thus flow across the viewing end of the endoscope flushing away surgical debris from the viewing end. The sleeve member can be a rigid or flexible structure. The size of the irrigation space is sized to permit retention of irrigation solution in the irrigation space when irrigation fluid is no longer being directed into the irrigation space.
    • 一次性内窥镜护套包括与内窥镜轴配合的低轮廓套筒构件,以在套筒构件和内窥镜轴之间建立相对较窄的冲洗空间。 套筒构件有意地比内窥镜轴短,以适应比套筒更长的各种不同的内窥镜长度。 在本发明的各种实施例中,套筒构件可以被定位成在套筒构件的终端和内窥镜轴的观察端之间建立预定的远端间隙,以在各个端部之间建立平齐的对准,或者使内窥镜 轴项目稍微超过套筒构件的终端。 因此,灌注流体可以流过内窥镜的观察端,从观察端冲洗手术碎片。 套筒构件可以是刚性或柔性结构。 当灌溉流体不再被引导到灌溉空间中时,灌溉空间的大小被确定为允许将灌溉溶液留在灌溉空间中。