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Standard Test Methods for Determination of Static and Cyclic Fatigue Strength of Ceramic Modular Femoral Heads
Automatische name übersetzung:
Standard-Prüfverfahren zur Bestimmung der statische und zyklische Ermüdungsfestigkeit der Keramik Modular Hüftköpfe
NORM herausgegeben am 15.3.2013
Bezeichnung normen: ASTM F2345-03(2013)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 15.3.2013
SKU: NS-53622
Zahl der Seiten: 8
Gewicht ca.: 24 g (0.05 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen 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 static and cyclic load-carrying ability of modular femoral heads mounted on the cones of femoral stem prostheses. 4.2 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 finishing as the final femoral stem prosthesis. 4.3 The static test data may yield valuable information about the relative strengths and merits of different head and cone designs for particular applications. Due to the high forces anticipated for this type of destructive test (>40 kN), the boundary conditions and load levels far exceed possible 4.4 In the fatigue test methods, it is recognized that actual loading in vivo is quite varied, and that no one set of experimental conditions can encompass all possible variations. Thus, the test methods included here represent a simplified model for the purposes of comparisons between designs and materials. These test methods are intended to be performed in air. 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 static and 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 (Specifications F603 and F1873) 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||||||||
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Historisch
1.3.2013
Historisch
1.10.2008
Historisch
1.3.2013
Historisch
1.10.2011
Historisch
1.2.2009
Historisch
15.4.2011
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