cryoprobe

The cryoprobe artifact and the size, coverage and signal of ice-balls were monitored with different fast scanning sequences ( FE, CBASS, FSE). Result: The cryoprobe artifact was available on FE sequence, whose acquisition time of 3 slices was shortest.

应用不同的快速序列（FE、CBASS及FSE）实时观察冷冻探针伪影及冰球的大小、覆盖率及信号表现。结果：FE序列扫描冷冻探针形成低信号伪影适中，3层采集时间最短。

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Frozen process of organism tissue caused by liquid carbon dioxide cryoprobe is experimentally studied, in which fresh beef is used as the tissue, the temperature field is measured.

实验研究了液体二氧化碳冷冻刀对机体组织造成的冷融过程，测定了组织内部的温度分布，实验对象为新鲜牛肉。

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Methods The animals were divided into two groups, the first group, rabbit scleras were contacted by cotton cryoprobe which had been soaked in liquid nitrogen, scleral ice ring and its stableness was observed;

方法（1）动物实验分2组：I组药棉浸冷冻头直接接触兔巩膜，观察冷冻环和他的稳定性；

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The simulation results show that the temperature decreases and ice crystal grows more quickly in biological tissue if the initial cryoprobe temperature is lower and the cooling-rate of cryoprobe is faster in the freezing process.

模拟结果显示，在冻结过程中，冷刀的初始温度越低，冷刀的降温速率越快，生物组织内温度下降和冰晶增长的速率越快。

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The freezing experiment around a 3.4 mm cryoprobe was conducted and a multidimensional numerical model based on enthalpy method and solved by finite element scheme for the freezing process of simulative biological tissues during cryosurgery is presented.

并用有限元方法求解了建立在治法基础上的模拟生物组织冻结过程多维数学模型，计算结果与实验值符合较好；

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NMR with cryoprobe, hybrid Fourier transform tandem mass spectrometer and various hyphenated techniqes will be the key techniques for studying metabonomics.

各种代谢组学分析技术各有优缺点，配有低温探头的核磁共振、混合型串联傅里叶变换质谱以及多种联用技术将成为代谢组学研究的关键技术。

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The temperature at the cryoprobe tip increased quickly when the working gas was shifted to He.

当工质由氩切换为氦后，刀头温度迅速上升，冰球随即熔化；

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Result The temperature at the cryoprobe tip inserted into tissues decreased quickly to its lowest value and kept relatively stable during freezing.

结果氩氦刀冷冻时，刀头在很短的时间内降至极低温度，并保持稳定。

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Objective To evaluate cryotherapy safety and effect of liquid nitrogen cooled cotton cryoprobe on seal retinal tears.

目的评价药棉液氮浸冷冷冻头冷凝视网膜裂孔的安全性和疗效。

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Feasibility Investigation on Vacuum Liquid CO_2 Cryoprobe

自吸式液体CO2冷冻刀的可行性实验研究

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The results are helpful for the design of cryoprobe and operation of cryosurgery.

计算结果为冷刀设计和冷冻外科手术提供了理论依据。

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The Heat Transfer Enhancement Characteristics of a Novel Tumor Cryoprobe

肿瘤低温治疗探针强化换热特性

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The transient temperature field around a cryoprobe was investigated by applying the enthalpy model to solve the nonlinear bio-equation;

本文通过用焓模型求解非线性生物传热方程，研究了低温外科中冷冻探针周围组织的瞬态温度场，使生物组织的冷冻损伤形状、成长速率及最终稳态冷冻区域大小得以确定。

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A detachable double-jacket tube structure cryoprobe was developed.

研制了离合式套管结构冷冻探针。

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Head continuous with body; Clinical and experimental studies on seal retinal tears by cotton cryoprobe cooled liquid nitrogen

药棉浸冷冷冻头冷凝视网膜裂孔临床实验研究

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Numerical simulation was carried ou for the manufactured cryoprobe. The results were compared with experiments. Good consistence was found between them on the effects of inlet temperature and pressure.

对所制作的低温探针进行了数值模拟，并和实验结果进行了比较，在进气压力和温度影响方面二者具有良好的一致性。

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Investigation of the temperature field around a cryoprobe via enthalpy model

外科冷冻探针周围组织温度场的焓法求解

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