CT Scan Slip Rings for Medical Applications
Engineering for Speed and Precision
Computed Tomography (CT) scanners place rigorous demands on all of their subsystems and components. The dramatic increase in the functionality of CT, including cardiology, oncology and acute care, places requirements of robust, artifact-free imaging on all elements of the data generation, transmission and processing system.
One of the primary challenges within a CT scanner is the requirement to transmit image data from the rotating x-ray detector array to the stationary data processing computer. In the earliest CT scanners, this data transmission task was accomplished with a slip ring, i.e., sliding electrical contacts. With the ever increasing data speed requirements of multi-slice machines, an alternative method of handling data across the rotating interface is required.
CT Scan Slip Ring Solutions
Image Data Transfer Across Slip Rings
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Successful image data transfer across a slip ring in helical scan CT machines requires a non-contacting solution. There are two methods used to transfer this data:
- Optical transmission
- RF/capacitive coupled data rings
Large Diameter Slip Rings
Large diameter slip rings represent the union of manufacturing processes and technologies that enable Moog to offer large, high volume slip rings with advanced features that are cost effective.
High Speed Data Link
Moog has developed its patented Optical DataLinkTM to transmit the high rate image data from the Detector Array (DAS) across the rotational interface of the CT gantry.
