What does slip-ring technology enable in Helical CT?

Slip-ring technology is a significant advancement in the field of CT imaging, particularly for Helical or Spiral CT scans. It allows for continuous rotation of the gantry, which is the part of the CT scanner that houses the X-ray tube and detectors.

This continuous rotation is crucial for Helical CT because it enables the acquisition of data as the table moves the patient through the scanner. Unlike traditional CT, which requires the gantry to rotate in increments and then stop to collect data, slip-ring technology facilitates a smooth, uninterrupted movement. This results in faster scans, improved image quality, and the ability to create three-dimensional reconstructions from the gathered data.

The other options, while relevant to various aspects of imaging, do not specifically pertain to the primary function of slip-ring technology in Helical CT. Automated patient monitoring, immediate image reconstruction, and automatic dose adjustment may be features of advanced CT systems, but they are not enabled by slip-ring technology itself. Thus, the ability for continuous rotation of the gantry stands out as the key benefit of this innovation in Helical CT imaging.