metal surgical implants having roughened or textured surfaces enhancing their firm engagement with the patient's bone, and facilitating inter growth of new bone knitting with the implants' textured surfaces

METAL SURGICAL IMPLANTS HAVING ROUGHENED OR TEXTURED SURFACES ENHANCING THEIR FIRM ENGAGEMENT WITH THE PATIENT'S BONE, AND FACILITATING INTERGROWTH OF NEW BONE KNITTING WITH THE IMPLANTS' TEXTURED SURFACES