A sigmoid notch resurfacing prosthesis for application to the sigmoid notch of the distal radius. The sigmoid notch prosthesis generally includes a saddle and a radius portion for attachment to the distal radius. The saddle may be formed from ultra high molecular weight polyethylene or another durable...http://www.google.es/patents/US7160331?utm_source=gb-gplus-sharePatente US7160331 - Sigmoid notch implant
