An adjustable two-dimensional joint for use in hip compression screw assemblies, allows for relative alignment of the lag screw and angle plate, even when these components are effectively fitted to the respective bone sections. The joint has first and second elements (2, 4), formed with complementary...http://www.google.com.au/patents/US6238126?utm_source=gb-gplus-sharePatent US6238126 - Hip compression screw assemblies and joints therefor
