ACETABULAR CUP AND HIP JOINT PROSTHESIS ASSEMBLY
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Nov 27, 2023
filing date -
Nov 27, 2023
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Abstract
Disclosed are an acetabular cup and a hip joint prosthesis assembly, falling within the technical field of medical instruments. The hip joint prosthesis assembly uses an acetabular cup formed by combining two layers of metal bodies, and the acetabular cup can meet the strength requirements of the cup body while ensuring that the sum of wall thicknesses of an outer cup and an inner cup is small, thereby increasing a relative rotation angle between a sphere head and the acetabular cup. The outer cup material is conducive to the fusion of the acetabular cup and the hip bone, and a spherical coronal working surface of the inner cup has high smoothness and wear-resistant hardness, which can ensure the bone ingrowth performance of the hip joint prosthesis and reduce the wear rate of the non-metallic spherical prosthesis.
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