使用相位阵列超声系统进行心脏成像. II. II. II. II. II. II. II. II. II. II. II. II. II. II. II. II. II. II. 临床技术和应用
Circulation
|February 1, 1976
概括
一个新的二维超声波系统提供了高分辨率的实时心脏成像. 这种先进的系统准确地可视化复杂的心脏结构,提高诊断能力.
科学领域:
- 心血管成像 - 心血管成像
- 医学超声波技术 医学超声波技术
- 诊断心脏病学 诊断心脏病学
背景情况:
- 心脏结构的实时高分辨率成像对于准确的诊断至关重要.
- 现有的超声波系统可能在速度,分辨率或操纵方面存在限制,以实现全面的心脏可视化.
研究的目的:
- 开发和评估一种新的二维超声波成像系统,用于实时,高分辨率的心脏成像.
- 评估系统在划定各种心脏结构和空间几何学的能力.
主要方法:
- 开发一个二维超声波系统,利用分相阵列原理.
- 使用一台手持式线性阵列与16个传感器用于光束方向.
- 实时图像生成速度为20/秒,采用圆形板块显示器 (60度光心,15厘米范围).
- 实现了聚焦的发射束和同步的接收器聚焦,以实现高定分辨率.
主要成果:
- 该系统可以实时生成心脏的高分辨率断层图像.
- 实现了2-5mm的亚齐图斯分辨率和1.5mm的范围分辨率.
- 成功地描绘了左心室几何形状,包括内心脏,心肌,乳头肌肉和心室间隔膜.
- 获得了心肌和大动脉叶片,大动脉根,左心房和其他心脏结构的高质量图像.
结论:
- 开发的二维超声系统为实时心脏成像提供了显著的进步.
- 它的高分辨率和可视化复杂的心脏解剖的能力使其成为心脏病学家的宝贵工具.
- 这项技术有望改善心脏病的诊断和理解.
相关概念视频
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