They were divided into normal group (before un-replacementprosthesis) and cervical intervertebral disc replacement group (after replacementprosthesis) with 6 samples in each group.
分为正常组(未置换假体前)和颈椎间盘置换组(置换假体后)，每组均为6个标本。
2
In the last decade, several evolutionary improvements have been made in the total hip replacement procedure and prosthesis.
在过去十年中，一些进化改进已在全髋关节置换术的程序和假肢。
3
Methods 14 cases of hip malignant tumors were treated with arthroplasty, of which 12 were undergone proximal femoral prosthesisreplacement and 2 were undergone semi-pelvic prosthesisreplacement.