Cobra type femoral stem prosthesis
AssigneeBeijing Lidakang Technology Co.,Ltd.
InventorsGUOQAING ZHANG, NING XU
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Abstract
The present disclosure provides a cobra type femoral stem prosthesis, that is a femoral stem prosthesis for congenital dysplasia of the hip (CDH) which includes a femoral stem cone, a femoral neck and a stem body which are connected sequentially; the stem body includes proximal segment of femoral stem, middle segment of femoral stem and distal segment of femoral stem, wherein the femoral stem cone is a cone shape; One end of the femoral neck is connected with the proximal segment of femoral stem and there is a deflection angle therebetween and the other end of the femoral neck is connected with the large diameter end of the femoral stem cone.
Claims7
A cobra type femoral stem prosthesis, that is a femoral stem prosthesis for congenital dysplasia of the hip (CDH), which comprises a fernoral stem cone, a femoral neck and a stem body which are connected sequentially;
- the stem body comprising a proximal segment of a femoral stem, a middle segment of the femoral stem and a distal segment of the femoral stem, characterized in that the femoral stem cone is a cone shape;
- one end of the femoral neck is connected with the proximal segment of the femoral stem and there is a deflection angle therebetween, and the other end of the femoral neck is connected with large diameter end of the femoral stem cone;
- a surface of the proximal segment of the femoral stem is provided with a plurality of annular microgrooves;
- and an outer surface of the distal segment of the femoral stem is provided with a plurality of longitudinal lateral ridges extending longitudinally.
Dependencies are inferred from the claim text.