Endoprosthesis for a cancer damaged pelvis

Claim 1

An endoprosthesis for cancer damaged hip bones comprising: a first portion for attachment to a vertebra, said first portion including a first and second mounting bracket, of which the first mounting bracket engages a vertebra laterally and the second mounting bracket engages the front of the vertebra, wherein a nerve passage is formed between said first and second mounting brackets, said first mounting bracket laterally engaging the vertebra being planar, and the second mounting bracket being arched; a second portion for attachment to the pelvis and having a prosthetic acetabular portion for placement in an acetabular recess in the pelvis, said second portion including a pair of supporting portions, the first supporting portion having an end supported on a pubic bone branch and the second supporting portion having an end supported on an ischium branch, and that each of said ends including a mounting bracket, said ends of the first and second supporting portions of the second portion forming an obtuse angle therebetween and including a tissue ingrowth surface and said acetabular portion including at least one through bore opening into the acetabular recess for receiving a screw; and means for connecting said first and second portions, said means including interlocking portions which engage to prevent relative rotation between said first and second portions.