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YY/T 1625-2026Particular specifications for mobile X-ray equipment for computed tomography (English PDF)

移动式X射线计算机体层摄影设备专用技术条件

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Issued by

NMPA

Level / Type

Industry · Recommended

Issue date

March 9, 2026

Implementation date

March 1, 2027

Scope

YY/T 1625-2026 is the English-translated version of 移动式X射线计算机体层摄影设备专用技术条件.

YY/T 1625-2026 is the Chinese standard "Particular specifications for mobile X-ray equipment for computed tomography". Its scope clause reads: This document specifies the composition and requirements of mobile X-ray computed tomography equipment (hereinafter referred to as mobile CT scanning device), and describes...

The corresponding experimental methods were developed. This document applies to mobile CT scanning devices. This document does not apply to X-ray computed tomography equipment that moves via guide rails or X-ray equipment that is fixedly installed on transportation vehicles. Computed tomography equipment. Its clauses include terms and definitions.

Found what you need?

Document preview — YY/T 1625-2026

National Standard of the People's Republic of China

ICS: 11.040.50
Classification: C43
Replacing: YY/T 1625- 2018

Issued by: National Medical Products Administration

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4 components
5 Requirements
5.1 Working Conditions
5.2 Imaging Performance
5.3 Dosage and Radiation Protection
5.4 Mechanical and Radiative Output Performance
5.5 Iterative Reconstruction
5.6 Software Functions
5.7 Combined use with external devices
5.8 Safety
6.Test Methods
6.1 Test Conditions
6.2 Imaging Performance
6.3 Dosage and Radiation Protection
6.4 Mechanical and Radiative Output Performance
6.5 Iterative Reconstruction
6.6 Software Functions
6.7 Combined use with external devices
6.8 Safety

1 Scope

This document specifies the composition and requirements of mobile X-ray computed tomography equipment (hereinafter referred to as mobile CT scanning device), and describes...

The corresponding experimental methods were developed.

This document applies to mobile CT scanning devices.

This document does not apply to X-ray computed tomography equipment that moves via guide rails or X-ray equipment that is fixedly installed on transportation vehicles.

Computed tomography equipment.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

document.

GB 9706.1 Medical electrical equipment - Part 1.General requirements for basic safety and basic performance

GB 9706.103-2020 Medical Electrical Equipment - Parts 1-3.General Requirements for Basic Safety and Basic Performance (Parallel Standard). Diagnostic Equipment

Radiation protection for X-ray equipment

GB 9706.228 Medical electrical equipment – Part 2-28.Basic safety and basic performance of medical diagnostic X-ray tube assemblies

Require

GB 9706.244-2020 Medical Electrical Equipment – Part 2-44.Basic Safety and Basic Specifications of X-ray Computed Tomography Equipment

Performance-specific requirements

GB/T 10149 Terminology and Symbols for Medical X-ray Equipment

GB/T 19042.5-2022 Evaluation and routine testing of medical imaging equipment – Parts 3-5.X-ray computed tomography equipment

Imaging performance acceptance test and stability test

YY/T 1766.1-2021 Image quality evaluation method for X-ray computed tomography equipment - Part 1.Modulation transfer function (MTF) Evaluation

YY/T 1766.2-2021 Image Quality Evaluation Methods for X-ray Computed Tomography Equipment - Part 2.Low Contrast Resolution (LCD) Evaluation

YY/T 1766.3-2023 Image Quality Evaluation Methods for X-ray Computed Tomography Equipment - Part 3.Dual-Energy Imaging and...

Spectral application performance evaluation

YY 9706.102 Medical Electrical Equipment - Part 1-2.General Requirements for Basic Safety and Basic Performance (Parallel Standard). Electromagnetic Compatibility

Tolerance requirements and tests

3 Terms and Definitions

The terms defined in GB/T 10149, GB 9706.244-2020, GB/T 19042.5-2022, and YY/T 1766.3-2023, as well as the following technical terms

The terms and definitions apply to this document.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

YY/T 1711|YY/T 1694|YY/T 1537|YY/T 1973|YY/T 1959

Editions of YY/T 1625

Edition	Title	Revision	Status
YY/T 1625-2026	Particular specifications for mobile X-ray equipment for computed tomography	current edition	Current
YY/T 1625- 2018	Particular specifications for mobile X-ray equipment for computed tomography	previous edition	In force until 2027-03-01

This page sells the current edition, YY/T 1625-2026. Earlier editions are listed for reference only.

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