GB/T 19042.5-2022 Active National standards

GB/T 19042.5-2022 Evaluation and routine testing in medical imaging departments—Part 3-5:X-ray computed tomography equipment imaging performance acceptance test and constancy test

Publish Date: 2022-10-12 Implement Date: 2023-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 19042.5-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Medical radiation equipment

ICS Name: X-ray imaging equipment

Publish Date: 2022-10-12

Implement Date: 2023-11-01

Pages: 47 pages

Scope

This document and GB 9706.244-2020: -- Establish the basic parameters for describing the imaging performance of CT scanning devices, including image quality, radiation output, and patient positioning. The list of tested parameters is provided in Section 4.3; -- Describe the test methods for these basic parameters; and -- Specify the error ranges for evaluating compliance with the specified parameters as outlined in the accompanying documents. GB 9706.244-2020 and the test methods described in this document rely on non-invasive measurements conducted during or after installation using appropriate testing equipment. The steps covered during installation can be included as part of the acceptance test report after signing a declaration. This document applies to CT scanning devices that comply with GB 9706.244-2020. It is applicable to both acceptance tests and stability tests for CT scanning devices. The purpose of acceptance tests is to verify whether installation or major maintenance affects compliance with standards for image quality, radiation output, and patient positioning. Stability tests are conducted to ensure that the device's functional performance meets established criteria, identify changes in component performance early, and verify compliance with standards for image quality, radiation output, and patient positioning. This document also includes requirements for accompanying documents related to acceptance and stability tests for CT scanning devices. This document does not apply to the following: -- Aspects related to mechanical and electrical safety; and -- Mechanical, electrical, and software performance, unless they are essential for conducting acceptance and stability tests and directly impact image quality, radiation output, and patient positioning.