Vision system for surgical tool inspection

October 2023 Sensors & Transducers

Fisher Smit used its vision expertise to take on the challenge of developing a system that met the stringent standards of the medical sector. Vision’s proficiency in comprehensive LED lighting solutions proved to be the perfect partnership for tackling the strict demands of the project.

The inspected tools had to undergo rigorous sterilisation validation and quality control according to the guidelines for the manufacturing and testing of surgical instruments. Their complex geometry and high-speed movement on a conveyor belt presented a unique challenge. To achieve a detailed visual inspection, the system required high-brightness lighting that offered maximum intensity and contrast, while maintaining uniformity across the field of view.

Fisher Smith rose to the challenge with a powerful solution featuring 25 cameras capturing the tools from multiple angles. Twelve of TPL Vision’s Modular M-EBAR bar lights were strategically arranged for the most intense shadow-free illumination, ensuring even the tiniest defects could be captured. The robust lighting setup minimised environmental disturbances, and helped to expand the depth of field to meet the high inspection standards. The M-EBAR’s easily adjustable beam angle and 2,4 times brighter strobe mode also positioned the system for future improvements.

The system uses AI technology, allowing it to detect deviations from expected standards that would be impossible for human inspectors to spot. Using advanced deep learning, it can identify anomalies at extremely high accuracy, enhancing productivity and ensuring regulatory compliance.

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