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PLAQUE DE FIXATION DES OS
专利权人:
GLOBUS MEDICAL; INC.
发明人:
申请号:
EP05736670.0
公开号:
EP1737365B1
申请日:
2005.04.19
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
An apparatus for reducing the profile of a bone fixation plate while preventing backing out of screws is disclosed. The plate has at least two openings though which two screws can pass through bony tissue. The apparatus includes at least one section of relief and sections of engagement. As the screw is tightened, it will begin to lag the plate to the bone. When the screw head interferes with the plate at the interference point, there is a slight resistance that insertion forces can overcome. When the screw is advanced further, it snaps into the sliding fit area and is allowed to move freely. The forces that cause the screw to back out from the plate are preferably not strong enough to pass the screw head back past the interference section. At least one of the two openings is configured as an elongated slot to allow the screw to translate in the slot. It may be desirable to include a set screw to help prevent backout.
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