Experimental and numerical evaluation of small-scale cryosurgery using ultrafine cryoprobe

被引：0
|
作者：
Institute of Fluid Science, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan [1 ]
机构：
来源：
J. Nanotechnology Eng. Med. | / 4卷
基金：
日本学术振兴会;
关键词：
Temperature distribution - Thermal Engineering - Pressure vessels;
D O I：
10.1115/1.4027988
中图分类号：
学科分类号：
摘要：
The objective of this work is to experimentally and numerically evaluate small-scale cryosurgery using an ultrafine cryoprobe. The outer diameter (OD) of the cryoprobe was 550 μm. The cooling performance of the cryoprobe was tested with a freezing experiment using hydrogel at 37°C. As a result of 1 min of cooling, the surface temperature of the cryoprobe reached -35°C and the radius of the frozen region was 2 mm. To evaluate the temperature distribution, a numerical simulation was conducted. The temperature distribution in the frozen region and the heat transfer coefficient was discussed. Copyright © 2013 by ASME.
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