CBCT Cabling Layout for 180-Degree Rotation Reliability
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Solution Overview
Problem
Computed tomography (CT) imaging systems, particularly in dental and medical cone beam CT, face challenges in power and data transmission as components rotate, requiring innovative cabling solutions to manage movement and spatial arrangement effectively.
Innovation Solution
A novel cabling arrangement for CT imaging systems, utilizing a combination of inner and outer cabling support structures with roller cylinders and guide wheels, allows for controlled rotation of X-ray sources and detectors over 180 degrees, ensuring efficient power and data transmission while minimizing mechanical complexity and friction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional cabling methods are used for rotating components, then the structure is simple, but the cabling cannot accommodate rotation over 180 degrees and data/power transmission becomes unreliable
Solution Approach 1:
The cabling system is divided into inner and outer cabling support structures that can rotate independently relative to each other. The inner support structure rotates with the imaging means while the outer support structure remains relatively stationary, allowing the cabling to be segmented into sections that handle rotation differently to maintain reliable transmission.
Solution Approach 2:
The cabling arrangement utilizes the radial dimension by extending cables from the center of rotation outward to the imaging means. This dimensional approach allows cables to be arranged in a radial pattern that naturally accommodates rotational movement while maintaining consistent tension and positioning throughout the rotation arc.
2Adaptability or versatility
If cabling is arranged to accommodate rotation, then data and power transmission is maintained, but mechanical complexity and friction increase
Solution Approach 1:
The inner and outer cabling support structures are merged into a coordinated rotational system where their relative movement is controlled and synchronized. This merging allows the cabling to adapt to rotation through the combined motion of both structures rather than requiring complex individual adjustments, reducing overall mechanical complexity.
Solution Approach 2:
The cabling support structures are designed with dynamic capabilities to rotate and adjust their positions during operation. The inner support structure can rotate dynamically with the imaging means while maintaining cable tension, and the outer support structure can adjust its position to accommodate the rotation, providing adaptability without excessive mechanical complexity.
Data Source
AI summary
The invention relates, in particular, to structures of dental and medical cone beam computed tomography imaging (CBCT) apparatus. The apparatus includes a cabling arrangement which comprises a roller cylinder assembly (123′) arranged between an inner (122) and outer cabling support structure (121). The cabling (124) enters and exits this construction and is arranged inside thereof to form a partial loop around a roller cylinder (123) of the roller cylinder assembly (123′).