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ČSN EN IEC 62985 (364773)
Methods for calculating size specific dose estimates (SSDE) on computed tomography
Translate name
STANDARD published on 1.5.2020
The information about the standard:
Designation standards: ČSN EN IEC 62985
Classification mark: 364773
Catalog number: 509547
Publication date standards: 1.5.2020
SKU: NS-992627
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN IEC 62985 (364773):
This document applies to CT SCANNERS that are able to display and report CTDIVOL in accordance with IEC 60601-2-44, and RADIATION dose index monitoring software (RDIMS) for the purpose of calculating, displaying and recording the SIZE SPECIFIC DOSE ESTIMATE (SSDE) and its associated components. Specifically, this document provides standardized methods and requirements for calculating, displaying, or recording of SSDE, SSDE(z), WATER EQUIVALENT DIAMETER (DW), and DW(z), where z represents a specific longitudinal position of the scanned object. This document provides a method of determining a reference WATER EQUIVALENT DIAMETER, DW,REF(z), using CT scans of two cylindrical water PHANTOMS and one or more anthropomorphic PHANTOM(S), which conform to the specifications defined in this document. The method of calculating the WATER EQUIVALENT DIAMETER that is implemented by the MANUFACTURER, DW,IMP(z), is tested and validated against DW,REF(z) using the TEST OBJECTS and methods defined within this document. This document also describes the methods for calculating SSDE and DW, which represent the average values of SSDE(z) and DW(z) over the RECONSTRUCTION LENGTH
These corrections apply to this standard:
ČSN EN IEC 62985:2020/Oprava1 (364773)
Correction
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Metody pro výpočet odhadů dávky specifických podle velikosti (SSDE) ve výpočetní tomografii (Norma k přímému použití jako ČSN).
Correction published on 1.8.2022
Selected format: English - Print design (1.20 USD)
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ČSN EN IEC 62985:2020/Oprava2 (364773)
Correction
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Metody pro výpočet odhadů dávky specifických podle velikosti (SSDE) ve výpočetní tomografii (Norma k přímému použití jako ČSN).
Correction published on 1.12.2022
Selected format: English - Print design (5.10 USD)
Show all technical information.
Preview of the standard ČSN EN IEC 62985 (364773)
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