Patent 7547399 was granted and assigned to Biomet 3I on June, 2009 by the United States Patent and Trademark Office.
The surface of a device that is surgically implantable in living bone is prepared. The device is made of titanium with a native oxide layer on the surface. The method of preparation comprises the steps of removing the native oxide layer from the surface of the device and performing further treatment of the surface substantially in the absence of unreacted oxygen.