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    • 1. 发明申请
    • BONE SCREW WITH SELECTIVELY SECURABLE WASHER
    • 带可选安全洗衣机的螺丝
    • WO2007109140A3
    • 2008-03-27
    • PCT/US2007006656
    • 2007-03-16
    • NEXA ORTHOPEDICS INCWAHL REBECCA HAWKINSBAYER HANSPETER ROBERTLITKE RONALD GEORGE JRREED SCOTT WTAYLOR ALAN G
    • WAHL REBECCA HAWKINSBAYER HANSPETER ROBERTLITKE RONALD GEORGE JRREED SCOTT WTAYLOR ALAN G
    • A61B17/58
    • A61B17/8605A61B17/863A61B17/8685A61B17/8695
    • A screw assembly (10) for insertion into a bone region (12A) (12B) includes a screw body (14) and a washer (16). The screw body (14) includes a distal end (218), a proximal end (224), and a distal threaded area (220), and a proximal threaded area (226). The distal threaded area (220) is positioned near the distal end (218) and the proximal threaded area (226) is positioned near the proximal end (224). The washer (16) includes a washer threaded area (238) that engages the proximal threaded area (226) to selectively secure the washer (16) to the screw body (14). With this design, the washer (16) can be selectively attached to the screw body (14) and different sized washers (16) can be alternatively and selectively secured to the screw body (14). As a result thereof, the person inserting the screw assembly (10) can pick the washer (16) size best suited to retain the bone region (12A) (12B) in which the screw assembly (10) is being inserted.
    • 用于插入到骨区域(12A)(12B)中的螺钉组件(10)包括螺钉体(14)和垫圈(16)。 螺钉体(14)包括远端(218),近端(224)和远端螺纹区域(220)以及近端螺纹区域(226)。 远端螺纹区域(220)定位在远端(218)附近,并且近端螺纹区域(226)位于近端(224)附近。 垫圈(16)包括与近侧螺纹区域(226)接合以选择性地将垫圈(16)固定到螺钉体(14)的垫圈螺纹区域(238)。 通过这种设计,可以将垫圈(16)选择性地附接到螺丝体(14),并且不同尺寸的垫圈(16)可以可选地和选择性地固定到螺钉体(14)。 结果,插入螺钉组件(10)的人可以拾取最适合于保持插入螺钉组件(10)的骨区域(12A)(12B)的垫圈(16)尺寸。