三维超声千分尺在心血管研究中的应用

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI:10.1109/IEMBS.1991.684616

W. Smith, I. Vesely

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引用次数: 6

摘要

获取运动生物结构的尺寸或坐标信息往往存在技术问题。由于需要对体内组织功能进行高分辨率、非破坏性的测量，研究人员几乎没有可用的工具。我们目前正在测试一种三维超声测微仪，它将用于提供离体猪心脏模型中功能主动脉瓣的形态分析数据。初步结果表明，在一个边长为8厘米的样品体积内，以超过5 kHz的速率，可以实现62.5 pm的理论空间分辨率。

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Three Dimensional Ultrasonic Micrometer For Use In Cardiovascular Research

Obtaining dimensional or coordinate information of moving biological struc~ often presents technical problems. The need for making high resolution, non-destructive measmments of tissues functioning in vivo leave few tools available to the researcher. We are currently testing a three dimensional ultrasonic micrometer that will be used to provide morphometxic data on the functioning aortic valve in an isolated porcine heart model. Preliminary results indicate that a theoretical 62.5 pm spatial resolution is achievable, within a sample volume 8 cm on a side, at rates in excess of 5 kHz.

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来源期刊

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991

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