| abstract |
PROSTHETIC IMPLANT FOR USE WITHOUT BONE CEMENT A prosthetic implant which has an attachment portion for insertion into or attachment to a patient's bone without bone cement and in which the outer surface of the attachment portion which is to be attached to said bone has a first layer (3) made of synthetic resin material over which is secured a second layer (4) made of a metallic material, a first and proximal portion of said second layer being porous or roughened to encourage bone ingrowth or ongrowth and a second and distal portion (6) of said second layer being less porous, substantially non-porous or less roughened in relation to the first portion, or smooth. |