Standard Specification for Total Hip Joint Prosthesis and Hip Endoprosthesis Bearing Surfaces Made of Metallic, Ceramic, and Polymeric Materials
STANDARD published on 1.10.2020
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Designation standards: ASTM F2033-20
Publication date standards: 1.10.2020
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers the design and dimensional requirements for metallic, ceramic, and polymeric mating bearing surfaces used in total hip joint prostheses and hip endoprostheses, more specifically, hip joint replacements of the ball-and-socket configuration. This specification covers the sphericity, surface finish requirements, and dimensional tolerances for the following: spherical articulating metallic or ceramic femoral heads of total hip joint prostheses; spherical concave mating surface of metallic and ceramic acetabular components, including the inner polymeric bearing surface of bipolar heads; spherical concave mating surface of polymeric acetabular components; and spherical metallic or ceramic femoral heads of hip endoprostheses, and the outer bearing surface of bipolar heads. This specification, however, does not address the tolerance match between the mating bearing surfaces.
Keywords:
acetabular cup, arthroplasty, femoral head, sphericity,, ICS Number Code 11.040.40 (Implants for surgery, prothetics and orthotics)