ASTM F1798 PDF

Want this as a site license? Changes from the previous issue A redline edition is available for this document, with all changes visible. Ask Document Center Inc. Scope 1.

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Want this as a site license? Changes from the previous issue A redline edition is available for this document, with all changes visible. Ask Document Center Inc. Scope 1. Ultimately, the various components and interconnections should be combined for static and fatigue testing of the spinal implant construct.

It is not the intention of this test method to address the analysis of spinal implant constructs or subconstructs or to define levels of performance of spinal implants as insufficient knowledge is available to predict the consequences of the use of particular spinal implant designs.

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. Significance and Use 5. Spinal implant constructs are designed to provide some stability to the spine while arthrodesis takes place. This test method outlines standardized evaluations of different interconnection mechanisms to facilitate comparison between different designs.

Comparisons must be made cautiously and with careful analysis, taking into account the effects that design differences can have on the loading configurations. The mechanical tests are conducted in vitro using simplified, unidirectional loads and moments. Fatigue testing in a simulated body fluid or saline may have a fretting, corrosive, or lubricating effect on the interconnection and thereby affect the relative performance of tested devices. Hence, the test environment, whether a simulated body fluid, saline 9g NaCl per mL H2O , with a saline drip, or dry, is an important characteristic of the test and must be reported accurately.

The results obtained here cannot be used directly to predict in vivo performance. However, the results can be used to compare different component designs in terms of relative mechanical parameters. Keywords gripping capacity; interconnection; run out; spinal arthrodesis implant; subassembly; ICS Number Code

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Bale Today, some 12, ASTM standards are used around the world to improve product quality, enhance astk, facilitate market access and trade, and build ast, confidence. Enter your account email address to request a password reset: It is not the intention of this test method to address the analysis of spinal implant constructs or subconstructs or to define levels of performance of spinal implants as insufficient knowledge is available to predict the consequences of the use of particular spinal implant designs. The connecting element serves as a lever arm, so that a moment about the x- or y-axis is generated. It is not the intention of this guide to address the analysis of spinal implant constructs or subconstructs or to define levels of performance of spinal implants as insufficient knowledge is available to predict the consequences of the use of particular spinal implant designs. Subscription pricing is determined by: Fatigue testing in a simulated body fluid or saline may have a fretting, corrosive, or lubricating effect on the interconnection and thereby affect the relative performance of tested devices.

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ASTM F1798 – 脊柱関節固定術インプラントに使用される相互接続機構およびサブアセンブリの静的および疲労特性を評価するための標準試験法

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