Abstract: A support member for a prosthesis comprises a tubular member adapted to be secured to a prepared bone by a cement or by screw fastener. The face of the prosthesis in contact with the bone is provided with channels, typically of trapezoidal section to ensure a good supply of blood to the bone tissue and to facilitate blood vessel and bone tissue growth. A device to expand such a support member is disclosed.
September 6, 1978
Date of Patent:
April 14, 1981
Per I. Branemark, Bo Thuresson af Ekenstam