Patent ID: 6524344
Filing Date: 2003-02-25
Classification: A61B,A61F

Abstract:
A cement jacket for an artificial joint stem, the cement jacket comprising:a hollow body made of cement and adapted to receive and encompass at least a part of a stem of an artificial joint therein, a closed lower end forming one end of the hollow body, and an open upper end forming an opposite end of the hollow body, a plastic layer having a high resistance to abrasion which coats an inner surface of the hollow body, and discharging paths having a saw-tooth shape in a transverse direction and extending in a longitudinal direction on and formed on an outer surface of the hollow body so that cement previously poured in a bone canal for a surgical purpose can be easily discharged upward at a time of inserting the cement jacket as well as enhancing anchorage of a new cement mantle with the cement jacket.