Adjustment method and device for scanning delay time of enhanced scanning

Abstract

The embodiment of the invention provides an adjustment method and device for the scanning delay time of enhanced scanning. The adjustment method comprises the following steps: delaying for the first time and performing current CT scanning, and displaying a DICOM image of current CT scanning; if the DICOM image of current CT scanning shows that the second time setting is not correct, receiving an adjustment signal input by an operator, and adjusting the second time according to the adjustment signal to obtain the third time; and delaying for the third time and performing next CT scanning. The DICOM image of current CT scanning is obtained, and the operator determines whether to modify the second time of the delay for next CT scanning according to the image quality of the DICOM image; if the DICOM image of current CT scanning shows that the second time setting is not correct, the adjustment signal input by the operator is received, and the second time is adjusted to obtain the third time; and the next CT scanning is performed after delaying for the adjusted third time. In the process of enhanced scanning, the delay time is adjusted timely, and thus the quality of the CT image can be improved.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to a method and device for adjusting the scanning delay time of enhanced scanning. Background technique [0002] Enhanced scanning is one of the CT scanning techniques. After intravenous injection of contrast agent, three CT scans are performed at different times to obtain CT images in the arterial phase, venous phase, and ordinary plain scan, so that it can be found lesions found. [0003] In the specific operation, based on the differences in the absorption speed of contrast medium by body tissues such as arterial vessels and venous vessels, after intravenous injection of contrast medium, the first CT scan, which is the arterial phase scan, is performed after a delay of 10 seconds; the second CT scan is performed after a delay of 20 seconds. The second CT scan is the venous phase scan; the third CT scan is performed after a delay of 40s, which is the ordinary plain scan. Wherei...

AI Technical Summary

Problems solved by technology

[0004] In the prior art, after the enhanced scan starts, the delay time required for the preset three CT scans is fixed and cannot be adjusted

However, individual differences in different patients will lead to different absorption rates of contrast agents in the lesion, and the preset delay time of the three CT scans will be inaccurate, resulting in too long or too short delays, which will affect the quality of the obtained CT images. Unable to meet the needs of medical diagnosis

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