ASTM-F732 2000

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F732-00 Standard Test Method for Wear Testing of Polymeric Materials for Use in Total Joint Prostheses

Published By	Publication Date	Number of Pages
ASTM	2000	10

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

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Description

1.1 This test method describes a laboratory method for evaluating the wear properties of combinations of materials that are being considered for use as bearing surfaces of human total joint prostheses. The body of this standard contains general methods which apply to all types of prosthesis wear applications while individual annexes describe specific wear test methods and clinical validation criteria tailored to each distinct wear application (for example, linear reciprocating motion, ball-cup (‘hip-type’) wear, delamination wear, etc.). It is the intent of this test method to rank materials, within each wear application, for polymer wear rates under simulated physiological conditions. It must be recognized, however, that contact geometries and wear motions are simplified using such methods. This test method, therefore, represents only an initial stage in the full wear characterization of a candidate material.

1.2 All candidate materials should be tested in an appropriate joint simulator apparatus using prototype prostheses before being used in clinical trials in patients. The tests described in this test method are used to quickly and reliably screen material combinations for wear performance in different orthopaedic wear applications prior to committing them to more expensive and time-consuming joint simulator testing. In addition, these simplified tests can be used to relate material, surface finish, or other parameters to wear behavior on a more practical basis than is possible in joint simulator tests.

Additional information

Standard Title	F732-00 Standard Test Method for Wear Testing of Polymeric Materials for Use in Total Joint Prostheses
Published Code	ASTM
Publication Date	2000
Pages Count	10
ICS Codes	11.040.40 - Implants for surgery, prosthetics and orthotics

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ASTM-F732 2000

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