PETERSON, JOSEPH,CHIEN, DENNIS,KEYER, THOMAS,MCSHANE, EDWARD,CAPOZZOLI, JOSEPH,HAURI, PASCAL,KRAMER, SCOTT,SCHINDLER, DAVID (DECEASED)
申请号：
CA2605775
公开号：
CA2605775C
申请日:
2006.04.25
申请国别(地区):
CA
年份:
2013
代理人:
摘要：
A bone anchor (100) for attaching a rod (108) to a bone has an anchor member(106) for attachment to the bone and an anchor head (104) having a U-shapedopening for receiving the rod. The bone anchor also includes a lockingcap(102) that has a main body (900) and a set screw (1000). Advantageously, inone embodiment the locking cap preferably is designed such that a single toolcan be used to lock the locking cap in place on the anchor body preferablywith a 90~ turn and preferably then drive the set screw to clamp the rod. Thelocking cap also preferably non-threadingly engages the anchor body. Theanchor body preferably has an inclined surface on its top surface whichelastically deflects extending tabs on the main body to secure the locking capto the anchor body. A method of implantation and assembly of the bone anchorare also described.
