Damia G, Cigada M, Solca M, Pelizzola A
Istituto di Anestesiologia e Rianimazione, Università degli Studi di Milano, Italy.
Intensive Care Med. 1988;14(1):60-3. doi: 10.1007/BF00254124.
A new model lung with the capacity for simulated spontaneous breathing is described. It consists of a modified commercial mechanical ventilator (Kontron ABT 4100), connected in parallel to a compliant system, a cylindric acrylic box with a latex thin membrane substituting for the top. Volume and compliance of the model are 2500 ml and 50 ml cmH2O-1, respectively. The modified ventilator simulates physiologic inspiratory flow at a rate of 10 to 30 min-1 and tidal volume up to 1000 ml, with an inspiratory to expiratory time ratio continuously variable between 1:4 and 4:1. The model has been tested under different respiratory assist techniques, connected either to continuous positive airway pressure proved to be reliable, versatile and bearing satisfactory resemblance to human ventilatory physiology.
本文描述了一种具有模拟自主呼吸能力的新型模型肺。它由一台经过改装的商用机械通气机（康创ABT 4100）组成，该通气机与一个顺应性系统并联，顺应性系统是一个顶部用乳胶薄膜替代的圆柱形丙烯酸盒。该模型的容积和顺应性分别为2500毫升和50毫升/厘米水柱。改装后的通气机以每分钟10至30次的速率模拟生理吸气流量，潮气量可达1000毫升，吸气与呼气时间比在1:4至4:1之间连续可变。该模型已在不同的呼吸辅助技术下进行了测试，连接到持续气道正压通气，结果证明该模型可靠、通用，并且与人体通气生理学有令人满意的相似性。
