BH GSO ASTM F1223:2023

ASTM F1223:20
Bahraini Standard   Current Edition · Approved on 05 April 2023

Standard Test Method for Determination of Total Knee Replacement Constraint

BH GSO ASTM F1223:2023 Files

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BH GSO ASTM F1223:2023 Scope

1.1 This test method may be used to compare the constraint characteristics of total knee replacements (TKRs) with the intent of comparing new designs to existing clinically successful designs or to determine the constraint differences between two similar or dissimilar designs. 1.2 This test method covers the means by which a TKR constraint may be quantified according to motion delineated by the inherent articular design as determined under specific loading conditions in an in-vitro environment. 1.3 Tests deemed applicable to the constraint determination are antero-posterior draw, medio-lateral shear, rotary laxity, valgus-varus rotation, and distraction, as applicable. Also covered is the identification of geometrical parameters of the contacting surfaces which would influence this motion and the means of reporting the test results. (See Practices E4.) 1.4 This test method is not a wear test. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 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. 1.7 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.

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