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Femoral Stems With Porous Lattice Structures: A Review by Bolun Liu; Huizhi Wang; Ningze Zhang; Min Zhang; Cheng-Kung Cheng is a Engineering article available to read on EtoBox.

What is Femoral Stems With Porous Lattice Structures: A Review about?

Cementless femoral stems are prone to stress shielding of the femoral bone, which is caused by a mismatch in stiffness between the femoral stem and femur. This can cause bone resorption and resultant loosening of the implant. It is possible to reduce the stress shielding by using a femoral stem with porous structures and lower stiffness. A porous structure also provides a secondary function of allowing bone ingrowth, thus improving the long-term stability of the prosthesis. Furthermore, due to the advent of additive manufacturing (AM) technology, it is possible to fabricate femoral stems with internal porous lattices. Several review articles have discussed porous structures, mainly focusing on the geometric design, mechanical properties and influence on bone ingrowth. However, the safety and effectiveness of porous femoral stems depend not only on the characteristic of porous structure but also on the macro design of the femoral stem; for example, the distribution of the porous structure, the stem geometric shape, the material, and the manufacturing process. This review focuses on porous femoral stems, including the porous structure, macro geometric design of the stem, performance

Who reads Femoral Stems With Porous Lattice Structures: A Review?

Author

Bolun Liu; Huizhi Wang; Ningze Zhang; Min Zhang; Cheng-Kung Cheng

Publisher

Frontiers Media SA

Published

2021

Language

EN

Field

Engineering (Physical Sciences)