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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0014415 (1993-02-05) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 597 인용 특허 : 0 |
An anterior cervical plating system is disclosed which includes an elongated plate having a pair of bone screw bores at opposite ends of the plate, and with bone screw slot configurations in the middle bridge portion of the plate. A single locking screw is provided at each end of the plate which eng
An anterior cervical plating system is disclosed which includes an elongated plate having a pair of bone screw bores at opposite ends of the plate, and with bone screw slot configurations in the middle bridge portion of the plate. A single locking screw is provided at each end of the plate which engages the heads of the bone screws trapped within recesses of the plate. The locking screw provides a rigid fixation of the screws to the plate, while the heads of the screws are flush or recessed below the upper surface of the plate. The invention further contemplates a drill and tap guide assembly which can be mounted on the fixation plate to provide a firm foundation for accurately drilling and tapping screw holes into the vertebra to be instrumented. The drill and tap guide assembly includes an assembly support which is engaged to the plate by way of a positioning screw and cross pins mounting the positioning screw to the guide body. A tap sleeve and drill guide can then be supported by the assembly support, which both thereby provide accurate positioning for a drill.
A system for anterior fixation of the spine, comprising: an elongated fixation plate having a longitudinal axis and a length along said axis sufficient to span between at least two vertebrae, and including; a lower surface adapted to engage the anterior portion of the vertebrae and an opposite upper
A system for anterior fixation of the spine, comprising: an elongated fixation plate having a longitudinal axis and a length along said axis sufficient to span between at least two vertebrae, and including; a lower surface adapted to engage the anterior portion of the vertebrae and an opposite upper surface; a first end and a longitudinally opposite second end; and a pair of screw bores defined at both of said first and second ends between said lower and upper surfaces and displaced from each other transverse to said longitudinal axis of said plate, said pair of screw bores having centerlines that diverge relative to each other below said lower surface of said plate; and several bone engaging screws, one each for each of said pair of screw bores at both of said first and second ends, each of said screws including; an elongated shank with bone engaging threads; and an enlarged head for engaging a corresponding one of said screw bores at said upper surface of said plate when said shank extends therethrough.
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