发明名称 STRIPPED PEDICLE SCREW DRIVER BIT
摘要 A pedicle screw driver bit includes an elongated shank and a head. The shank includes a plurality of threads. The head is connected to one end of and configured to rotate relative to the shank. The head is configured to be received by a tulip connected to a pedicle screw. The threads of the shank are configured to engage a plurality of threads of the tulip such that when the shank is rotated the tulip is drawn into engagement with the head such that the shank, the head, the tulip, and the pedicle screw are substantially prevented from rotating relative to one another.
申请公布号 US2013090698(A1) 申请公布日期 2013.04.11
申请号 US201213646373 申请日期 2012.10.05
申请人 REGENTS OF THE UNIVERSITY OF MINNESOTA;REGENTS OF THE UNIVERSITY OF MINNESOTA 发明人 NUCKLEY DAVID JOHN;POLLY, JR. DAVID WAYNE
分类号 A61B17/86;A61B17/84 主分类号 A61B17/86
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