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INTRAMEDULLARY ANCHOR-SCREW FRACTURE FIXATION
专利权人:
Mark Allen Mighell
发明人:
Mark Allen Mighell,Sergio Gutierrez
申请号:
US14569420
公开号:
US20160166292A1
申请日:
2014.12.12
申请国别(地区):
US
年份:
2016
代理人:
摘要:
The present invention relates to an improved intramedullary fracture fixation device, the device including a first fastener comprising a head and an at least partially threaded shaft extending from the head, a tiltable load spreading element adapted to couple to the first fastener and having a bone-contacting surface defining bone engagement features and a head-contacting surface, and a second fastener having external threads and a central bore for receiving the threaded shaft of the first fastener. The central bore defines an inner wall surface which is at least partially threaded, the inner wall surface being configured for mating engagement on the outer surface of the shaft of the first fastener such that rotation of the first fastener relative to the second fastener causes the translation of the first fastener relative to the second fastener along the shaft. The load spreading element is configured and dimensioned to interact operatively with at least a surface of the bone and at least a surface of the head to spread the load exerted by the head on the bone over a large bone surface area and, optionally, to prevent the head from completely passing through the bone. The present invention permits a minimally invasive repair of bone fractures that may otherwise be treated through larger incisions. The present invention also relates to the method of fixation of the device.
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