| 摘要 |
<p>THE PRESENT INVENTION RELATES TO A NON-STEMMED TOTAL HIP PROSTHESIS STRUCTURE COMPRISING AN ACETABULAR COMPONENT (3) AND A FEMORAL COMPONENT (16, 17). THE INVENTION IS TO OVERCOME THE DISADVANTAGES OF STEMMED FEMORAL PROSTHESIS IN WHICH THE LENGTHY SHAFT OF THE STEM ACTS AS A LEVER IN THE MEDULLARY CANAL ON THE FEMORAL BONE SHAFT INSIDE, THUS CAUSING THE FEMUR BONES TO WEAKEN AFTER A PERIOD OF IMPLANATION. (THE MOST ILLUSTRATIVE</p> |
