Matthew P. Gephart,Thomas S. Kilpela,John Sullivan
申请号：
US12871893
公开号：
US08657856B2
申请日:
2010.08.30
申请国别(地区):
US
年份:
2014
代理人:
摘要：
Spinal rods are provided that transition from one diameter to another without an extended transition region to which coupling devices may not be attached, allowing coupling devices for mounting the spinal rod to the spine to be secured almost anywhere along the rods length without having a weakened transition point.
