用于小动物呼吸测量的无重复呼吸阀系统。
Nonrebreathing valve system for small animal respiratory measurements.
作者信息
Barrow R E
出版信息
J Appl Physiol. 1976 Jan;40(1):108-9. doi: 10.1152/jappl.1976.40.1.108.
PMID:1248974
Abstract
Flow resistence, frequency response, and backflow characteristics of a nonrebreathing valve system applicable to measuring small animal respiratory volumes are described. Unidirectional valves, molded from liquid resin, were fitted into a modified Y tube for direct use on an endotracheal tube or face mask. Valve size and dead space volume can be scaled to fit several small animal species. In this system, valve resistance was 2.0 and 5.6 mm of water for steady flow rates of 0.5 and 3.0 1/min, respectively.
摘要
描述了一种适用于测量小动物呼吸量的无重复呼吸阀系统的流动阻力、频率响应和逆流特性。由液态树脂模制而成的单向阀安装在一个改良的Y形管中，可直接用于气管内导管或面罩。阀的尺寸和死腔容积可以按比例缩放以适应几种小动物物种。在该系统中，对于0.5和3.0升/分钟的稳定流速，阀阻力分别为2.0和5.6毫米水柱。
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