Diagnostic Ultrasound Scanner Quality Assurance
نویسنده
چکیده
Medical Physics at CancerCare Manitoba has developed its own ultrasound phantom. The following table is intended as a quick reference guide when performing the quality assurance measurements. Instructions Limits Record Items Required ultrasound contrast-detail phantom degassed water or coupling gel paper towels for clean up (optional) lab stand and clamp to hold probe Physical check: 1. probe surface for damage 2. control panel for damage 3. display for obvious damage or artefacts ok/ng ok/ng ok/ng ok/ng ok/ng ok/ng Presets check: 1. a QA preset is configured for each probe being tested If a preset is not present then one must be configured. Artefact evaluation With probe clean and in air check: 1. vertical streaks or shadows
منابع مشابه
A Comparative Study on the Influence of Probe Placement on Quality Assurance Measurements in B-mode Ultrasound by Means of Ultrasound Phantoms
To check or to prevent failures in ultrasound medical systems, some tests should be scheduled for both clinical suitability and technical functionality evaluation: among them, image quality assurance tests performed by technicians through ultrasound phantoms are widespread today and their results depend on issues related to scanner settings as well as phantom features and operator experience. I...
متن کاملPhantom-based quality assurance measurements in B-mode ultrasound
BACKGROUND Recommended phantom-based quality assurance measurements in B-mode ultrasound (US) may be tedious. For the purpose of cost-effective US quality assurance it is important to evaluate measurements that effectively reflect the quality of US scanner. PURPOSE To find out which recommended phantom-based quality assurance measurements are effective in detecting dead or weak transducer ele...
متن کاملComparison of ultrasound quality assurance phantom measurements from matched and mixed scanner‐transducer combinations
Our goal in this work was to compare the results of common phantom tests made using matched and mixed ultrasound (US) scanner-transducer combinations. Sets of common US quality assurance (QA) measurements were made using matched US scanner-transducer combinations (i.e., transducers purchased for use with a particular scanner), as well as unmatched (mixed) combinations. Measurements of vertical ...
متن کاملQuality assurance and field characterisation for MRgHIFU treatments: their need and the challenges presented
Background/introduction In our drive to increase the clinical recognition of HIFU treatments, it is important that we pay attention to other comparable, but more widely accepted, therapeutic techniques, and match their rigorous quality assurance and calibration practices. Well validated Quality Assurance (QA) and field characterisation techniques are important in order that treatments can be pl...
متن کاملHigh-quality/High-resolution Digital Ultrasound Diagnostic Scanner
OVERVIEW: Ultrasound diagnostic scanners have gained broad acceptance in a wide range of diagnostic fields because they are able to make observations inside the body safely and in real time. In keeping with the developments in signal processing technology and semiconductor technologies, resolution and other functions were dramatically improved through the use of digital ultrasound scanners deve...
متن کامل