超声波质量保证的简单但严格的程序
Paul L Carson1, Megan K Russ2, Stephen Z Pinter1
1Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA.
Medical physics
|February 24, 2025
概括
随机低音球幻影 (RHSP) 为医疗超声波 (US) 系统质量保证提供了一种具有成本效益和用户友好的方法. 这种新的幻影有效地检测出大多数传感器缺陷,简化了性能评估.
科学领域:
- 医疗成像医学成像
- 超声波技术 超声波技术 超声波技术
- 质量保证 质量保证 质量保证
背景情况:
- 由于复杂性和数据相关性问题,医疗超声波 (美国) 系统质量保证 (QA) 的利用不足.
- 传感器,电缆和机械故障以及显示器退化是美国常见的系统问题.
- 最近的建议建议简单的cine循环采集随机低音球幻影 (RHSP) 进行有效的B模式图像质量QA.
研究的目的:
- 评估商用RHSP的可用性和有效性.
- 为了比较RHSPs与一个新的线幻影和一个既定的统一性幻影.
- 用自动化分析来评估模拟的检测,常见的传感器缺陷.
主要方法:
- 模拟了三种类型的传感器缺陷,通过用聚烯泡部分阻断美国阵列元素.
- 利用扫描方法和自动化分析 (IEC TS62736) 来获得像中位数损伤信号与噪声比 (LSNRm) 和清晰度指数 (Ci) 这样的指标.
- 使用RHSP,电线和统一性幻象评估有缺陷的传感器.
主要成果:
- RHSP/分析始终检测到横向和全高度破坏,但在部分高度破坏方面遇到了困难.
- 电线幻影测量界定了所有中断,但更难执行,设置有限.
- 统一性幻影测量只发现了侧面的破坏.
结论:
- RHSP是电线幻影的低成本替代品,可以检测到大多数传感器中断.
- 预先建议RHSP用于美国系统用户质量保证和性能评估.
- 预计RHSP的更广泛采用将加速对美国系统的量化性能预期.
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