ASTM F describes the procedure for testing subassemblies and interconnection mechanisms to determine the fatigue strength and. ASTM F Static and Fatigue Properties of Interconnection Mechanisms and Subassemblies Used in Spinal Arthrodesis Implants. Purchase your copy of ASTM F – 13 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available.
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A substructure consists of an element for the connection to a vertebral body hook or screw and a longitudinally proceeding element rod or platewhich are connected to one another via a connecting mechanism. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Dynamic test methods Following the static tests, the tests with new test specimens are performed dynamically over 2. This standard is not included in any packages.
No items in cart. The longitudinally proceeding component is firmly clamped in the test device and a load max. Click here to download full list of books. Hence, the test environment, whether a simulated body fluid, saline 9g NaCl per mL H 2 Owith a saline drip, or dry, is an important characteristic of the test and must be reported accurately. A aetm curve can be used to determine a significant drop in the torque, which marks the exceeding of the connection strength. Copyright Compu-tecture, Inc.
Register for a trial account. Historical Version s – view previous versions of standard. From the following range, we will select the appropriate test procedures for the partial constructs of your individual spinal implants:.
ASTM F1798 Partial constructions for spinal implants
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. Accreditation certificate arrived Please login to your authorized staff account to use this feature.
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A force-displacement curve reveals a significant drop in force, which marks the exceeding of the connection strength. Add to Alert PDF. 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.
Ultimately, the various components and interconnections should be combined for static and fatigue testing of the spinal implant construct. In this test, the connection stability between the connecting element and the longitudinal element is determined. Link to Active This link will always route to the current Active version of the standard. If you like to setup a quick demo, let us know at support madcad. Anterior-posterior and lateral loading: The longitudinal component is firmly clamped in the test device and a load max.
The following editions for this book are also available We have no amendments or corrections for this standard.
Are you sure you want to empty the cart? The results obtained here cannot be used directly to predict in vivo performance. If the partial construct fails before reaching the 2. 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.
The mechanical tests are conducted in vitro using simplified, unidirectional loads and moments. However, the results can be used to compare different component designs in terms of relative mechanical parameters. Enter your personal account email address to request a password reset: Subscription pricing is determined by: Print 1 2 3 4 5 page sstarting from page current page. This test method outlines standardized evaluations of different interconnection mechanisms to facilitate comparison between different designs.
The connecting element serves as a lever arm, so that a moment about the x- or y-axis is generated. We offer various test methods for the mechanical characterization of partial constructions of spinal implants according to ASTM F One side of the longitudinal element is firmly clamped while the other side remains free.
ASTM F1798 – 13
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