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 moment-angle curve can be used to determine a significant drop in the torque, which marks the exceeding of the connection strength. If the document is revised or amended, you will be notified by email. Within the scope of the test, loads and moments are applied in astk directions corresponding to a vertebral body: The mechanical tests are conducted in vitro using simplified, unidirectional loads and moments.
The longitudinally proceeding component is firmly clamped in the test device and a load max. As the voice of the U. Comparisons must be made cautiously and with careful analysis, taking into account the effects that design differences can have on the loading configurations. Please first log in with a verified email before subscribing to alerts. Spinal implant constructs are designed to provide some stability to the spine while arthrodesis takes place.
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Following the dynamic tests, the axial joint strength is tested under torsion to determine residual stability. 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. Flexion extension and transversal moment: The following editions for this book are also available Ultimately, the various components and interconnections should be combined for static and fatigue testing of the spinal implant construct.
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Occipital-cervical and occipital-cervical-thoracic model ASTM F
Anterior-posterior and lateral loading: We have no amendments or corrections for this standard. Land Use and Development. Remember me for one month. Copyright Compu-tecture, Qstm. 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. Standards Subsctiption may be the perfect solution.
In this test, the connection stability between the connecting element and the longitudinal element is determined under torsion. Historical Version s – view previous versions of standard.
ASTM F1798 – 13
Today, some 12, ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. 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.
FORMAT Single User Subscription Site License Subscription BOOKS All Books PACKAGES All Packages EDITION to PUBLISHER. Need more than one copy? This standard is also available to be included in Standards Subscriptions. The longitudinal component is firmly clamped in the test device and a load max.
Search book title Enter keywords for book title search. The force-displacement curves are recorded and evaluated with regard asmt the mechanical properties including stiffness and strength.
This test method outlines standardized evaluations of different interconnection mechanisms to facilitate comparison between different designs.
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.
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Enter your personal account email address to request a password reset: Accreditation certificate arrived F Terminology Relating to Spinal Implants.