适用于腹部可扩展成像的可变曲率柔性传感器
概括
一个新的灵活的超声波阵列动态地扩大视野,以便更好地对腹部进行成像. 这项技术改善了器官和病理状况的可视化,提供了显著的临床潜力.
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
- 生物医学工程 生物医学工程
背景情况:
- 在医学超声波中扩大视野 (FOV) 对于检测组织和器官异常至关重要.
- 传统的刚性超声波传感器具有在制造过程中确定的固定成像开口.
研究的目的:
- 开发一种灵活的曲腹部阵列 (FCAA),能够动态扩展FOV至120°.
- 评估新型FCAA的成像性能和临床适用性.
主要方法:
- 一个128元素,3MHz的FCAA是使用双切工艺和两组件粘弹性基板 (TCVS) 设计的.
- 一个3D打印的推拉装置使得最小的曲率半径为46毫米.
- 采用了刚性-灵活的复合材料支持层来优化机械灵活性和带宽.
主要成果:
- 该FCAA实现了高带宽 (-6 dB到67.6%) 和优秀的分辨率 (轴向:0.35毫米,横向:0.77毫米的幻影;轴向:0.36毫米,横向:1.02毫米在120°FOV).
- 志愿者器官 (脏,肠道,子宫,膀) 的B模式成像和动脉幻影的多普勒成像证明了FCAA的有效性.
结论:
- 开发的FCAA提供动态FOV扩张,用于增强腹部超声波成像.
- 这项技术在腹部和妇科检查中具有显著的临床价值潜力.
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