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SURGICAL INSTRUMENT AND METHOD
专利权人:
Warsaw Orthopedic; Inc.
发明人:
Alexander J. Rohlfing,Jason M. May,Dustin Bobbitt
申请号:
US15899103
公开号:
US20190254729A1
申请日:
2018.02.19
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A surgical system includes a bone fastener having a head and a shaft. The head has a drive interface surface including elliptical edges. A surgical instrument includes an inner drive and an outer sleeve that is engageable with an outer surface of the head to dispose the inner drive and the outer sleeve with the head in a co-axial, capture orientation. The inner drive has a drive interface surface including a plurality of spaced apart lobes. Each lobe has an elliptical edge engageable with one of the elliptical edges of the drive interface surface of the head. Spinal constructs, implants and methods are disclosed.
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