From: Stress shielding effects of two prosthetic groups after total hip joint simulation replacement
Point | Normal femur after traditional prosthesis transplantation | Femur after traditional prosthesis transplantation | Normal femur after anatomic prosthesis transplantation | Femur after anatomic prosthesis transplantation | ||||
---|---|---|---|---|---|---|---|---|
Strain (×10-6) | Stress (MPa) | Strain (×10-6) | Stress (MPa) | Strain (×10-6) | Stress (MPa) | Strain (×10-6) | Stress (MPa) | |
1 | -746 (21.2) | -13.1 (1.6) | Â | Â | -738 (23.2) | -12.9 (1.8) | -598 (31.2) | -10.5 (1.6) |
2 | -712 (19.4) | 12.5 (1.2) | Â | Â | -725 (27.1) | -12.7 (1.6) | -571 (26.3) | -10.0 (1.4) |
3 | -1,872 (31.3) | -32.9 (2.4) | Â | Â | -1,894 (31.4) | -33.3 (2.7) | -1,418 (35.0) | -25.0 (1.7) |
4 | -2,001 (27.1) | -35.2 (1.9) | Â | Â | -2,016 (36.2) | -35.4 (2.7) | -1,627 (29.2) | -28.6 (2.0) |
5 | -1,079 (28.2) | -19.0 (1.3) | Â | Â | -1,098 (28.1) | -19.3 (1.8) | -816 (31.2) | -14.3 (1.4) |
6 | -728 (31.4) | -12.8 (1.7) | -462 (-8.13) | 8.13 (0.8) | -719 (22.3) | -12.7 (1.4) | -518 (24.6) | -9.1 (0.8) |
7 | 1,472 (29.6) | -25.0 (2.4) | 798 (14.1) | 14.1 (1.1) | 1,416 (28.4) | 24.9 (2.3) | 973 (29.1) | 17.1 (1.2) |
8 | -1,118 (27.4) | -19.7 (1.8) | -748 (19.6) | 13.2 (0.8) | -1,127 (25.6) | -19.8 (1.7) | -835 (23.6) | -14.6 (1.3) |
9 | 878 (19.6) | -15.5 (1.4) | 543 (27.4) | 9.6 (1.2) | 864 (27.2) | 15.2 (1.1) | 632 (19.1) | 11.1 (0.7) |
10 | -608 (19.8) | -10.7 (1.2) | 573 (27.4) | 10.1 (0.9) | -612 (19.1) | -10.8 (1.2) | 593 (25.8) | -10.4 (1.2) |
11 | -1,563 (30.3) | -27.5 (2.8) | -1,009 (28.1) | 17.7 (1.3) | -1.572 (30.2) | -27.7 (2.1) | -1,218 (28.2) | -21.4 (1.9) |
12 | -758 (19.6) | -13.3 (1.1) | -532 (19.9) | 9.4 (0.8) | -774 (19.2) | -13.6 (1.6) | -631 (22.6) | -11.1 (1.0) |
13 | 1,352 (27.1) | -23.8 (1.9) | 962 (22.6) | 15.2 (0.9) | 1,364 (31.1) | 24.6 (2.3) | 1,139 (20.4) | 20.0 (1.4) |
14 | -701 (28.4) | -12.3 (1.4) | -538 (18.1) | 9.5 (0.6) | -717 (22.5) | -12.6 (1.4) | -608 (26.3) | -10.7 (0.9) |
15 | 749 (18.6) | -13.2 (0.91) | 562 (26.3) | 9.9 (0.7) | 768 (19.2) | 13.5 (1.2) | 627 (19.4) | 11.0 (1.0) |
16 | -412 (28.7) | -0.73 (0.09) | 371 (16.2) | 65.2 (3.6) | -406 (18.1) | -7.1 (0.8) | -398 (22.4) | -7.0 (0.6) |
17 | -1,968 (23.1) | -34.6 (2.6) | -1,618 (31.7) | 28.4 (1.6) | -1,992 (24.1) | -35.0 (2.6) | -1,789 (32.4) | -31.4 (2.6) |
18 | 1,218 (25.1) | 21.4 (1.8) | 1,064 (28.2) | 18.7 (1.2) | 1,214 (22.4) | 21.3 (2.3) | -1,163 (33.1) | 20.4 (1.2) |