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Bone screw system
专利权人:
Mary McCombs
发明人:
Mary McCombs,Aaron C. Smith,James A. Nunley
申请号:
US13219765
公开号:
US08267975B2
申请日:
2011.08.29
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A set of screws sized and configured for fixing a Jones fracture in a fifth metatarsal bone of a patient by preserving a bone thread path. Each screw has a low profile head on a trailing end, a thread portion on a leading portion, and a smooth shank portion between the head portion and the thread portion. A first screw has a thread major diameter of between about 4.4-4.6 mm, a second screw a thread major diameter of between about 5.4-5.6 mm, and a third screw a thread major diameter of between about 6.4-6.6 mm. The thread portion of all the screws in the set has a set of identical thread profile characteristics comprising a pitch, a leading edge angle, a trailing edge angle, a leading edge radius, a trailing edge radius, and a land. Each screw size is provided in various preferred lengths.
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