ASTM-F3446 2020

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F3446-20 Standard Test Method for Determination of Frictional Torque and Friction Factor for Hip Implants Using an Anatomical Motion Hip Simulator

Published By	Publication Date	Number of Pages
ASTM	2020	9

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Categories: 11.040.40 - Implants for surgery, prosthetics and orthotics, ASTM

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Description

ASTM F3446-20

Active Standard: Standard Test Method for Determination of Frictional Torque and Friction Factor for Hip Implants Using an Anatomical Motion Hip Simulator

ASTM F3446

Scope

1.1 This test procedure provides a method of evaluating the frictional torque and friction factor of artificial hip joint bearings used in Total Hip Replacement systems. The method presented here was based on a published study, first as a conference paper in 2008 (1)2 and then as a peer-reviewed journal paper (2). The method is compatible with and is capable of being carried out during actual wear testing of total hip replacement implants on wear simulators equipped with multiple degrees of freedom force and moment sensors.

1.2 Although the methodology described does not replicate all physiological loading conditions, it is a means of in-vitro comparison of the frictional torque and friction factor of artificial hip joint bearings used in Total Hip Replacement systems under the stated test conditions.

1.3 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 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 Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

friction testing; frictional torque; hip friction; hip joint prosthesis;

ICS Code

ICS Number Code 11.040.40 (Implants for surgery, prosthetics and orthotics)

DOI: 10.1520/F3446-20

Additional information

Standard Title	F3446-20 Standard Test Method for Determination of Frictional Torque and Friction Factor for Hip Implants Using an Anatomical Motion Hip Simulator
Published Code	ASTM
Publication Date	2020
Pages Count	9
ICS Codes	11.040.40 - Implants for surgery, prosthetics and orthotics