This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:F2033-20 INTERNATIONAL Standard Specification for Total Hip Joint Prosthesis and Hip Endoprosthesis Bearing Surfaces Made of Metallic Ceramic and Polymeric Materials1 This standard is issued under the fixed designation F2033;the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript cpsilon (a)indicates an cditorial change sincc the last revision or rcapproval. 1.Scope concerns.Some manufacturing methods or designs may inten- 1.1 This specification covers the requirements for the mat- tionally reduce the diameter of the polymeric bearing to more ing bearing surfaces of total hip joint prostheses or resurfacing closely mate with the diameter of the head. hip devices intended for total hip arthroplasty:an...