Dynamic Bowtie Filter for Cone-beam/Multi-slice CT
RPI ID: 2014-041-201 Innovation Summary: This invention provides a dynamic bowtie filter for cone-beam and multi-slice CT scanners designed to adapt in real-time to patient anatomy. The filter includes both a highly-attenuating bowtie (HB) filled with liquid and a weakly-attenuating bowtie (WB) immersed within the same medium. By dynamically adjusting the configuration, the system can modulate X-ray intensity to balance dose and image uniformity. Unlike fixed filters that are optimized for a single patient size or scan protocol, this dynamic system provides personalized filtration per scan. It improves diagnostic image quality while reducing unnecessary radiation exposure. This approach is compatible with existing CT platforms and supports intelligent control systems. Challenges / Opportunities: Fixed bowtie filters in current CT systems are not optimized for varying patient sizes and shapes, leading to dose inefficiency and image artifacts. Manual replacement or repositioning is cumbersome and prone to error. This invention provides an automated, adaptive alternative that enhances safety and image quality. It enables personalized imaging protocols and paves the way for next-generation intelligent CT systems. Opportunities exist in pediatric imaging, emergency diagnostics, and high-throughput clinical settings where adaptability is key. Key Benefits / Advantages: ✔ Dynamic real-time filtering ✔ Dose optimization ✔ Enhanced image consistency Applications: • Medical CT imaging • Pediatric radiology • Advanced diagnostic systems Keywords: #bowtiefilter #CTscanning #radiationdose #adaptivefiltering Intellectual Property: US Issued Patent 10,092,257 B2
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