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首页> 外文期刊>Journal of the Royal Army Medical Corps >A comparison of performance between Teflon and polyurethane safety cannulae at extremes of operating temperatures.
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A comparison of performance between Teflon and polyurethane safety cannulae at extremes of operating temperatures.

机译：特氟隆和聚氨酯安全套管在极端工作温度下的性能比较。

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摘要

In the United Kingdom, approximately eight million peripheral cannulations are performed each year. Intravenous cannulae are made from either polytetrafluoroethylene (Teflon) or polyurethane. Polyurethane has a lower incidence of thrombophlebitis, however the physical characteristics of polyurethane may make the cannulae difficult to use at higher ambient temperatures. This effect maybe of importance to those involved in cannulation in extreme environments and especially for military doctors deployed in current theatres of operations.In a randomised single blinded study we investigated the different characteristics of Teflon and polyurethane cannulae (Vasofix Safety Cannulae, B Braun) at three different temperatures (-10 degrees C, 21 degrees C and 40 degrees C).There is no statistically significant difference in the ease or speed of cannulation of either polyurethane or Teflon safety cannulae in extremes of temperature.This study provides evidence that performance of polyurethane safety cannulae are not impaired by temperature extremes.
机译：在英国，每年大约进行八百万次外围插管。静脉插管由聚四氟乙烯（Teflon）或聚氨酯制成。聚氨酯血栓性静脉炎的发生率较低，但是聚氨酯的物理特性可能会使套管在较高的环境温度下难以使用。对于在极端环境中参与插管的人员，尤其是对于目前在战区部署的军事医生而言，这种影响可能很重要。在一项随机单盲研究中，我们调查了特氟隆和聚氨酯插管（Vasofix Safety Cannulae，B Braun）的不同特征。三种不同的温度（-10摄氏度，21摄氏度和40摄氏度）。在极端温度下，聚氨酯或聚四氟乙烯安全套管的插管简便性或速度在统计学上均无显着差异。极限温度不会损害聚氨酯安全套管。

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