Table 1.
Stem position | PROFEMUR® Preserve | PROFEMUR® TL | ||||||
---|---|---|---|---|---|---|---|---|
Cortical bone | Cancellous bone | Cortical bone | Cancellous bone | |||||
Nodes | Elements | Nodes | Elements | Nodes | Elements | Nodes | Elements | |
Neutral | 186,556 | 41,292 | 81,539 | 16,890 | 186,556 | 41,289 | 81,539 | 16,887 |
Flexion | 192,267 | 42,537 | 83,633 | 17,208 | 192,267 | 42,534 | 83,633 | 17,205 |
Extension | 193,070 | 42,636 | 80,841 | 16,710 | 193,070 | 42,633 | 80,841 | 16,707 |
Anteversion 10° | 194,341 | 42,803 | 82,704 | 17,092 | 183,625 | 40,517 | 82,704 | 17,089 |
Anteversion 40° | 188,776 | 41,916 | 83,189 | 17,151 | 188,776 | 41,913 | 83,189 | 17,148 |
Valgus | 187,531 | 41,373 | 81,395 | 16,848 | 187,531 | 41,370 | 81,395 | 16,845 |
Varus | 192,173 | 42,277 | 83,238 | 17,151 | 192,173 | 42,274 | 83,238 | 17,148 |
The PROFEMUR® Preserve is the short stem and the PROFEMUR® TL is the tapered wedge stem used in this study. PROFEMUR® Preserve and PROFEMUR® TL are manufactured by MicroPort Orthopedics (Arlington, TN, USA)
FE finite element