Implantable prosthesis

Details Implantable prosthesis Implantable prosthesis

1991-09-13

1993-06-29

Green, Randall L.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

623 18, 623 11, 4332011, A61F 228, A61F 230, A61F 202, A61C 800

Patent

active

052229831

ABSTRACT:
The shaft surface of a cementlessly implantable prosthesis is provided with a large number of holes which are formed as blind or pocket holes. Each hole is surrounded by a bulb in the form of a crater edge. The bony tissue that grows into the holes and around the bulbs ensures a firm seating of the prosthesis over a long time. The holes are preferably oriented in such a way that the bone pegs that extend into them can take up a desired load which may be either a compressive or a tensile force. A tensile force exerted on the bone will stimulate its growth.

REFERENCES:
patent: 3855638 (1974-12-01), Pilliar
patent: 4678422 (1987-07-01), York
patent: 4729766 (1988-03-01), Bergentz et al.
patent: 4865603 (1989-09-01), Noiles
patent: 4923467 (1990-05-01), Thompson

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