Model of titanium mesh cage | Peak von Mises stress under compression load to failure (MPa) | Peak von Mises stress under torsional load to failure (MPa) |
---|---|---|
Diameter 1/3 | 44,598 | 390.9 (break at 4459 cycles) |
Diameter 1/2 | 23,505 | 141.35 (>1 million cycle) |
Diameter 2/3 | 23,778 | 70.098 (>1 million cycle) |
Diameter 3/4 | 16,598 | 88.972 (>1 million cycle) |
Diameter 4/5 | 10,172 | 42.249 (>1 million cycle) |
Diameter 1 (same diameter as cephalad vertebra) | 10,805 | 15.827 (>1 million cycle) |