Standard No.:	YY/T 0480-2004
English Name:	Diagnostic X-ray imaging equipment - Characteristic of general purpose and mammographic anti-scatter grids
Chinese Name:	诊断X射线成像设备-通用及乳腺摄影防散射滤线栅的特性
Chinese Classification:	C43    Medical radiographic equipment
Professional Classification:	YY    Professional Standard - Pharmaceutics
ICS Classification:	11.040.50 11.040.50    Radiographic equipment 11.040.50
Issued by:	SFDA
Issued on:	2004-3-23
Implemented on:	2005-1-1
Status:	superseded
Superseded by:	YY/T 0480-2021 Diagnostic X-ray imaging equipment-Characteristics of general purpose and mammographic anti-scatter grids
Superseded on:	2022-9-1
Superseding:	YY 0012-1990 Anti-scatter grids
Language:	English
File Format:	PDF
Word Count:	10500 words
Price(USD):	310.00
Delivery:	via email in 1~3 business day

本标准阐明了用于诊断X射线成像装置内的防散射滤线栅的特性的定义、测定方法和表示方法，其目的是为减少主要来自病人体内产生的散射线对X射线的影响，以改善X射线影像对比度。本标准只涉及直线滤线栅。目前，在乳腺成像技术中仅使用会聚滤线栅，因此本标准局限于在乳腺成像中使用的乳腺摄影防散射滤线栅。本标准不适用于验收试验。本标准不涉及滤线栅全部面积的均匀性。本标准适用于演示在试验条件下的防散射滤线栅的特性。通常，这些试验条件在用户现场是不能到的。