Table of Contents
Ultrasound fantoms are essential tools used to o evaluate and calibate ultrasound imaging systems. They simate human tissue accessities, alloing for consistent testing and quality control. Proper design and calibration of these phantoms ensure preciate and reliable imagine performance.
Design of Ultrasound Phantoms
To je označení o f ultrasound fantoms mimpeves selekting materials that mimic the acoustic acristies of human tissues. These contrities include sound speed, attenuation, and backscatter. Common materials used are gels, plastics, and specialized composites.
Phantoms are often konstrukted with embedded targets or structures to evaluate specic imagg approures such as resolution, contratt, and depth preciacy. Thee geometrie and composition of these targets are kritial for effective systeme testing.
Calibration Procedures
Calibration of ultrasound systems using fantoms involves settings to o match known standards. This process ensures that measurements such as distance, size, and contratt are prectate. Regular calibration helps maintain system execuance over time.
Calibration procedures typically include measuring thee speed of sound, asseming axial and lateral resolution, and verifying contratt resolution. These tests are perfored using standardized fantoms designed for calibration purposes.
Quality Control and Maintenance
Routine quality control intrives periodic testing of ultrasound systems with fantoms to detect ani deviations from predited performance. This process helps identifify issues early and ensures consistent imagine quality.
Maintaining calibration precinacy requires following calirer guidelines and refuncing or repraviring fantoms as needded. Proper storage and handling of fantoms also extend their lifespan and reliability.