Orthopedic Screws

บทคัดย่อ

Abstract

Screw is the internal fixator  that used to fasten plates or hold together the fragments of bone. Orthopaedic surgeon must familiar the principles of the screw for safe application for the patients. In this review articles, orthopaedic screws are classified into 4 main types as cancellous screw, cortical screw, malleolar screw and shaft screw. The new trend of the screws such as cannulated screw, interference screw or PC-fix screw are developed to improve the tensile strength, easier utilization and no associated bony or soft tissue complications.