A phantom tissue system for the calibration of perfusion measurements.

A phantom tissue system for the calibration of perfusion measurements.
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用于校准灌注测量的模型组织系统。

DOI:
10.1115/1.2948417
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发表时间:
2008
期刊:
Journal of biomechanical engineering
影响因子:
--
通讯作者:
Diller,ThomasE
Diller,ThomasE
中科院分区:
--
文献类型:
--
作者:
Mudaliar,AshvinikumarV;Ellis,BrentE;Ricketts,PatriciaL;Lanz,OttoI;Scott,ElaineP;Diller,ThomasE

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参考文献

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提出了一种简便的表面灌流传感器的测试和校准方法。使用体模组织模型来模拟组织灌注的无方向性血流。在Fluent®中构建计算流体动力学(CFD)模型,以设计体模组织并验证实验结果。体模灌注系统与基于热能清除的灌注传感器一起使用。当施加热事件(对流冷却)时,热通量计测量组织的热通量响应。通过参数估计代码估计血液灌注和接触电阻。从实验和分析结果来看,该探头具有良好的测量重复性和灵敏度。组织中的实验灌注测量结果与CFD模型的测量结果非常一致,证明了体模组织系统的价值。
A convenient method for testing and calibrating surface perfusion sensors has been developed. A phantom tissue model is used to simulate the nondirectional blood flow of tissue perfusion. A computational fluid dynamics (CFD) model was constructed in Fluent® to design the phantom tissue and validate the experimental results. The phantom perfusion system was used with a perfusion sensor based on clearance of thermal energy. A heat flux gage measures the heat flux response of tissue when a thermal event (convective cooling) is applied. The blood perfusion and contact resistance are estimated by a parameter estimation code. From the experimental and analytical results, it was concluded that the probe displayed good measurement repeatability and sensitivity. The experimental perfusion measurements in the tissue were in good agreement with those of the CFD models and demonstrated the value of the phantom tissue system.
无创血流量测量。
DOI: --
发表时间: 1985
影响因子: --
作者:
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