Standard Specification for Total Hip Joint Prosthesis and Hip Endoprosthesis Bearing Surfaces Made of Metallic, Ceramic, and Polymeric Materials

ABSTRACT
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.
SCOPE
1.1 This specification covers the requirements for the mating bearing surfaces of total hip prostheses and hip endoprostheses. More specifically, this specification covers hip joint replacement of the ball-and-socket configuration. This specification does not address the tolerance match between the mating bearing surfaces.
1.2 This specification covers the sphericity, surface finish requirements, and dimensional tolerances for the spherical articulating metallic or ceramic femoral heads of total hip joint prostheses.
1.3 This specification covers the sphericity, surface finish requirements, and dimensional tolerances for the spherical concave mating surface of metallic and ceramic acetabular components, including the inner polymeric bearing surface of bipolar heads, and the surface finish requirements and dimensional tolerances for the spherical concave mating surface of polymeric acetabular components.
1.4 This specification covers the sphericity and surface finish requirements for the spherical metallic or ceramic femoral heads of hip endoprostheses, and the outer bearing surface of bipolar heads.
1.5 This specification is intended for standard practice regarding the design of total hip joint bearing surfaces. Additionally, the tolerances imposed on the polymeric portion of the bearing surface are intentionally large due to temperature-induced size changes and other manufacturing concerns. Some manufacturing methods or designs may intentionally reduce the diameter of the polymeric bearing to more closely mate with the diameter of the head.
1.6 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

General Information

Status
Historical
Publication Date
31-May-2005
Current Stage
Ref Project

Relations

Buy Standard

Technical specification
ASTM F2033-05 - Standard Specification for Total Hip Joint Prosthesis and Hip Endoprosthesis Bearing Surfaces Made of Metallic, Ceramic, and Polymeric Materials
English language
5 pages
sale 15% off
Preview
sale 15% off
Preview

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F2033 – 05
Standard Specification for
Total Hip Joint Prosthesis and Hip Endoprosthesis Bearing
Surfaces Made of Metallic, Ceramic, and Polymeric
1
Materials
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.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2
1.1 This specification covers the requirements for the mat- 2.1 ISO Documents:
ing bearing surfaces of total hip prostheses and hip endopros- ISO 468 Surface Roughness—Parameters, Their Values,
theses. More specifically, this specification covers hip joint and General Rules for Specifying Requirements
replacement of the ball-and-socket configuration. This specifi- ISO 4287/1 Surface Roughness—Terminology
cationdoesnotaddressthetolerancematchbetweenthemating ISO 4291 Methods for the Assessment of Departure from
bearing surfaces. Roundness, Measurement of Variations, and Radius
1.2 This specification covers the sphericity, surface finish ISO 5436 Surface Texture of Products—Calibration Speci-
requirements, and dimensional tolerances for the spherical mens for Stylus Instruments
articulatingmetallicorceramicfemoralheadsoftotalhipjoint ISO 6318-1985 Measurement of Roundness—Terms, Defi-
prostheses. nitions, and Parameters of Roundness (Equivalent to BS
1.3 This specification covers the sphericity, surface finish 3730 Part 1: 1987)
requirements, and dimensional tolerances for the spherical ISO 7206-1 Implants for Surgery—Partial and Total Hip
concave mating surface of metallic and ceramic acetabular Joint Prosthesis—Part I: Classification, Designation of
components, including the inner polymeric bearing surface of Dimensions, and Requirements
bipolar heads, and the surface finish requirements and dimen- ISO 7206-2 Implants for Surgery—Partial and Total Hip
sional tolerances for the spherical concave mating surface of Joint Prosthesis—Part II: Bearing Surfaces Made of Me-
polymeric acetabular components. tallic and Plastics Materials
2
1.4 This specification covers the sphericity and surface 2.2 ANSI/ASME Document:
finish requirements for the spherical metallic or ceramic ANSI/ASME B46.1-1995 Surface Texture
femoral heads of hip endoprostheses, and the outer bearing
3. Dimensions and Characteristics
surface of bipolar heads.
1.5 This specification is intended for standard practice 3.1 Definition:
3.1.1 Pole of the Articulating Surface—The pole of an
regarding the design of total hip joint bearing surfaces.
Additionally, the tolerances imposed on the polymeric portion articulating surface is defined by a point at the intercept of the
revolution axis of the component and the spherical articulation
of the bearing surface are intentionally large due to
temperature-induced size changes and other manufacturing surface.
3.1.2 Equator of the Articulating Surface—The equator of
concerns. Some manufacturing methods or designs may inten-
tionally reduce the diameter of the polymeric bearing to more the articulating surface is the circle normal to the revolution
axis of the component, the center of which is the center of the
closely mate with the diameter of the head.
1.6 The values stated in SI units are to be regarded as the spherical articulating surface.
3.1.3 Cutoff Length—The cutoff length defines the maximal
standard. The values given in parentheses are for information
only. value of the mean twist of profile irregularities that shall be
consideredintheroughnessmeasurement,thatis,withacutoff
length of 0.8 mm, the profile irregularities with a mean twist
1
This specification is under the jurisdiction of ASTM Committee F04 on
higher than 0.8 mm shall not be considered.
Medical and Surgical Materials and Devices and is the direct responsibility of
Subcommittee F04.22 on Arthroplasty.
Current edition approved June 1, 2005. Published June 2005. Originally
2
approved in 2000. Last previous edition approved in 2000 as F2033–00a. DOI: Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
10.1520/F2033-05. 4th Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
F2033 – 05
3.1.3.1 Precise definitions of roughness parameters, cutoff 3.2.3.2 Sphericity—The spherical bearing surface of the
length, and roundness are given in ISO 4287/1, ISO5436, metal acetabular component shall have a departure from
ISO4291, and ISO 6318:1985. roundness of not greater than 5 µm (200 µin.). This shall be
measuredas DZ inaccordancewiththeMinimumZoneCenter
3.1.4 Stylus Tip—The stylus tip is
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.