Profile: Sigma Surgical Pvt. Ltd. is a manufacturer of orthopedic implants and instruments. We develop, produce, and market implants & trauma products. Our cortical screws are used in orthopedic surgeries, and medical laboratories. These screws have accurate dimension, finest finishing, and safe usage. Our screws are available in a wide variety of diameters and specifications. Buttress plates are placed in a bridging manner in order to provide minimal disruption of the fracture site, and to minimize surgical time.