EUROLAB laboratory provides testing and compliance services within the scope of ASTM F2119 standard. The ASTM F2119 standard characterizes the distortion and signal loss artifacts produced by a passive implant (implant operating without an electrical or external power source) in a magnetic resonance (MR) image. Anything not designated as MR-Safe or MR-Conditional is excluded.
This test method provides a quantitative measure of the image artifact produced under a standard set of scanning conditions. This test method is applicable only to MR-Safe or MR-Conditionally created passive implants.
ASTM F2119 describes a test method for measuring the extent of a susceptibility artifact based on a passive implant sample. A pixel in an image is considered part of image artifact if the intensity is changed in the presence of a test object by at least 30% compared to a reference image without the test object (reference value). The purpose of this article is to simplify and speed up the testing method using a histogram-based reference value.
The four test objects are scanned parallel and perpendicular to the main magnetic field, and the greatest susceptibility artifacts are measured using two reference value determination methods (reference image-based and histogram-based reference value). Results between both methods are compared using the Mann-Whitney U-test.
A standardized method can be applied for a rapid, objective and reproducible assessment of susceptibility artifacts. The result of the histogram-based method is not significantly different from the ASTM-compliant method.
Our organization, EUROLAB, provides standard test method services for the evaluation of MR image artifacts from passive implants, within the framework of national and international standards, with its trained and expert staff and advanced technological equipment, among numerous test, measurement, analysis and evaluation studies. Provides testing services within the scope of ASTM F2119 standard.
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EUROLABreporting and certification activities, United Accreditation Foundation (UAF), Turkish Accreditation Agency (TÜRKAK) ve Enterprise Accreditation Foundation (EAF) based on the accreditation provided by the accreditation body. The Enterprise Accreditation Foundation (EAF) accreditation body is also a signatory of the United Nations (UN GLOBAL COMPACT) organization.
