Press-fit components avoid the need for screw placement, which carries the added risks of neurovascular injury and fretting wear between screw and shell.
假体压配式固定避免了螺钉的使用，因为其会导致血管神经损伤以及螺钉和臼杯磨损的风险。
2
Myelin sheaths showed shell-like structure, but its lamellar structure disappeared. Swelling of neurons and mitochondria was more obvious than which in 2-hour post injury group.