ConMed Linvatec Hall Surgical Blades, Sterile ST REPEAT STERN BLADE, Catalog # 00502317900, 00502318800, 00502318700, 00505927800, and 00505927900. || ConMed Linvatec Hall (R) Surgical Blades are intended for use in small bone or large bone orthopedic surgeries. These blades are designed to cut bone in an oscillating plane.