
This part of GB/T 18988 specifies the relevant definitions, test methods, and product random documents of single photon emission computed tomography (SPECT). This section is applicable to SPECT, which is based on Anger type gamma cameras and includes one or several probes equipped with parallel hole collimators, a probe rotating bracket and rotating device, and a computer system integrated with acquisition, recording, and display devices p>
2 Normative References
The following documents are essential for the application of this document.
. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document p>GB/T 18988.1-2013 Radionuclide Imaging Equipment, Performance and Test Rules Part 1: Positron Emission Tomography Equipment (IEC 61675-1:1998, IDT)
GB/T 18988.3-2013 Radionuclide Imaging Equipment, Performance and Test Rules Part 3; Gamma camera whole body imaging system (IEC 61675-3:1998. MOD)
GB/T 18989-2013 Radionuclide imaging equipment, performance and test rules Gamma camera (IEC 60789:1992, MOD)
3 Terms and definitions
GB/T 18988.1-2013, GB/T 18988.3-2013, GB/T 18989-2013, and the following terms and definitions apply to this document p>
3.1 System axis
3.1.1
System axis
The axis of symmetry characterized by the geometric and physical properties of the measurement device structure.
. Note: The system axis of gamma cameras with rotating probes is the rotation axis p> 3.1.2Fixed coordinate system
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