کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | ترجمه فارسی | نسخه تمام متن |
---|---|---|---|---|---|
10402806 | 891932 | 2015 | 7 صفحه PDF | سفارش دهید | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Application of electrical resistance tomography for thrombus visualization in blood
ترجمه فارسی عنوان
استفاده از توموگرافی مقاومت الکتریکی برای تجسم ترومبوز در خون
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
کنترل و سیستم های مهندسی
چکیده انگلیسی
Visualization of a thrombus is very important in the development of various artificial organs and extracorporeal circulation devices. This paper presents an application of electrical resistance tomography (ERT) technique for the visualization of a thrombus in blood. Experiments were conducted in static and flowing bovine and swine blood samples. Artificially created thrombi were mixed in the blood samples for visualization. Eight-electrode tomography sensor was used for the measurement. Cross-sectional resistivity distribution was reconstructed using linear back projection algorithm. A thrombus was characterized by increased local resistivity. We successfully reconstructed the time, size and cross-sectional location of a thrombus, and reached a conclusion that the concentration and orientation of the RBCs in a thrombus contributed to the increase in the resistivity. The increment was relatively higher in the static blood than in flowing blood. These findings can be helpful in the development of an instrumentation system for the real-time monitoring of blood to visualize a thrombus. Developers of left ventricular assistance devices, heart-lung machines, hemodialyzer etc., and the end-users (i.e. patients) can greatly benefit from such a system.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Flow Measurement and Instrumentation - Volume 46, Part B, December 2015, Pages 334-340
Journal: Flow Measurement and Instrumentation - Volume 46, Part B, December 2015, Pages 334-340
نویسندگان
Achyut Sapkota, Takuto Fuse, Masatoshi Seki, Osamu Maruyama, Michiko Sugawara, Masahiro Takei,
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