Ultrasound Computed Tomography and Scanning Methods (Ultrasound Experiment Set 9)

Comprehensive and clear introduction to the structure and functionality of computed tomography measurement systems using ultrasound

This set can be used to carry out comprehensive and clear experiments on special measurement methods using ultrasound in student training at universities and technical colleges. The focus is on imparting knowledge about the structure and functionality of computer tomography measurement systems. Tomography, which is known from its use in medical X-ray diagnostics, is based on attenuation effects and evaluation using convolution algorithms, regardless of the type of measurement signal used (X-ray, MRI, ultrasound, etc.). The creation of a CT image is explained and demonstrated step by step in the PHY09 experiment using ultrasound tomography as an example. By using ultrasound as the measurement signal, two different images can be recorded and evaluated: the attenuation tomogram and the speed of sound tomogram of the test object. You can also scan your own objects to be examined. This offers the opportunity to design a student internship in an interesting way. The set is also ideal for scanning any test specimen. This makes it possible to create cross-sectional images (B-images) of medical objects, such as bones. B. of the breast model, can be displayed with high image quality, as can line scans of various test blocks from the field of non-destructive testing. The scan images show a high lateral resolution. By using different probes, the measurement parameters can be adapted to the corresponding objects under examination. To deepen knowledge of ultrasound measurement technology, e.g. in the training of medical technicians, the scanner can also be used to measure sound field properties such as beam width, focus zone, intensity distribution and near-field length of a sound transducer. Understanding the properties of complex interference patterns within the sound field of an ultrasound probe is a crucial prerequisite for improving image quality in medical diagnostics.
The ultrasound experiment set includes a wide range of subject areas, so that sophisticated experiments can be carried out with it in almost all medical, scientific and technical training areas.

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