Acumed Radial Head Replacement

Anatomic Radial Heads and Stems replicate the patient’s naturalradial head geometry. The offset anatomic dish on the proximalend of the radial head implant provides improved articulationwith the capitellum. The neck angle is 4 degrees, preventingimplant loosening and maintaining the proper angled relationshipbetween the radial neck and the plane of the head.Straightforward Instrumentation includes a unique collar heightgauge for an improved method of determining overall length ofthe radius. Color-coded broaches, trial heads and stems providequick distinction between system components and sizes. Collarreamers are included in the system to create a perpendicular necksurface for the stem collar.200 Head and Stem Combinations provide the surgeon with animplant that matches the patient’s natural anatomic radial headshape. 20 stem options in five diameters, each with four collarheight options provide proper restoration of the overall length ofthe radius. The anatomical heads are provided in five sizes, leftand right, to accommodate various patient sizes.Medial Defined Ulna Articular Zoneis angled and smooth to improve contactwith the radial notch.10mmHighly PolishedCobalt Chrome Headto maximize articulation.Multiple Collar Heights torestore radial length.Contoured Lateral Surfaceimproves interface with theannular ligament.Fluted Stemfor rotational stability.25mm25mm Stem Lengthis long enough to provide stability againstbending movements but short enough notto reach the bend in the proximal canal.Tapered Titanium Stemto aid insertion.Grit Blasted Stem Surfacepromotes bony ongrowth.3