cortical screw
A cortical screw is a specialized orthopedic fastener designed specifically for anchoring into the dense outer layer of bone known as cortical bone. This precision-engineered medical device features a fully threaded shaft that enables it to achieve maximum purchase in hard bone tissue, making it an essential component in fracture fixation and bone reconstruction procedures. The cortical screw distinguishes itself through its unique thread design, which is shallower and more closely spaced compared to cancellous screws, allowing for optimal engagement with compact bone structures. Manufactured from medical-grade materials such as titanium alloy or stainless steel, each cortical screw undergoes rigorous quality testing to ensure biocompatibility and structural integrity. The primary function of a cortical screw involves creating stable fixation between bone fragments or securing orthopedic plates to skeletal structures during surgical procedures. Surgeons rely on the cortical screw for its ability to provide reliable compression across fracture sites, promoting proper bone healing and alignment. The technological features include self-tapping capabilities in many designs, eliminating the need for pre-tapping and reducing surgical time. Available in various diameters ranging from 1.5mm to 4.5mm and lengths extending up to 100mm, the cortical screw accommodates diverse anatomical requirements. Clinical applications span multiple specialties including trauma surgery, reconstructive orthopedics, maxillofacial procedures, and spinal fixation. The precise manufacturing tolerances ensure consistent performance, while the polished surface finish minimizes tissue irritation and facilitates easier insertion during surgical intervention.