Sara Dziedzic,William J. Frasier,Michael Mahoney,Nicholas Pavento,Christopher L. Ramsay,David Greg Anderson
申请号：
US11897565
公开号：
US08512343B2
申请日:
2007.08.31
申请国别(地区):
US
年份:
2013
代理人:
摘要：
Methods and instruments are provided for connecting a rod extending along a patients spinal column to a misaligned vertebra. The method comprises implanting a bone anchor in the misaligned vertebra, attaching an approximating device to the implanted bone anchor and rod, approximating the vertebra toward the rod using the approximating device, and connecting the rod to the bone anchor on the approximated vertebra. In certain embodiments the approximating device may include a winch mechanism. In other embodiments the approximating device is a cannula used in conjunction with a guide system.
