This standard is issued under the fixed designation F1820; 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 epsilon (ε) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1

This test method covers a standard methodology by which to measure the attachment strength between the modular acetabular shell and liner. Although the methodology described does not replicate physiological loading conditions, it has been described as a means of comparing the integrity of various locking mechanisms.

1.2

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

1.3

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.

1.4

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.

2. Referenced Documents

2.1 ASTM Standards:²

3. Terminology

3.1 Definitions of Terms Specific to This Standard:

4. Summary of Test Method

4.1 Axial Disassembly (Push-Out):

4.2 Offset Pull-Out or Lever-Out Disassembly:

4.3 Torque-Out Disassembly:

5. Significance and Use

5.1

5.2

5.3

5.4

6. Apparatus

6.1

6.2

6.3

7. Sampling

7.1

7.2

7.3

8. Procedure

8.1 Assembly Procedure:

8.2 Axial Disassembly:

8.3 Offset Pull-Out or Lever-Out Disassembly:

8.4 Torque-Out Disassembly:

9. Report

9.1

10. Precision and Bias

10.1

10.2

11. Keywords

11.1

ASTM F1820 - 22

Standard Test Method for Determining the Forces for Disassembly of Modular Acetabular Devices

Current

Published:

15 Mar 2022