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Standard Test Methods for Determination of Cyclic Fatigue Strength of Ceramic Modular Femoral Heads
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STANDARD published on 1.5.2021
Designation standards: ASTM F2345-21
Publication date standards: 1.5.2021
SKU: NS-1029255
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
bore, ceramic, cone, fatigue, modular head, static, strength,, ICS Number Code 11.040.40 (Implants for surgery, prothetics and orthotics)
Significance and Use | ||||||||||||
4.1?These test methods can be used to determine the effects of head and cone materials, design variables, manufacturing, and other conditions on the cyclic load-carrying ability of modular femoral heads mounted on the cones of femoral stem prostheses. 4.2?The loading of modular femoral heads in vivo will, in general, differ from the loading defined in these methods. The results obtained here cannot be used to directly predict 4.3?These test methods may use actual femoral prostheses or neck-cone models of simplified geometry with the same geometrical and material characteristics as in the implants. In either case, the matching metallic cone region of the test specimen selected shall be of the same material, tolerances, and finish as the final femoral stem prosthesis. 4.4?In the fatigue test methods, it is recognized that actual loading 4.5?The test data may yield valuable information about the relative strengths of different head and cone designs. |
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1. Scope | ||||||||||||
1.1?These test methods cover the evaluation of the cyclic fatigue strength of ceramic modular femoral heads, mounted on a cone as used on the femoral stem of the total hip arthroplasty. 1.2?These test methods were primarily developed for evaluation of ceramic (Specification F603, ISO 6474-1, ISO 6474-2, ISO 13356) head designs on metal cones but may have application to other materials. 1.3?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. |
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2. Referenced Documents | ||||||||||||
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