移动式千级层流洁净野战手术单元设计与试验研究

Design and experimental research on mobile class 1 000 laminar flow clean field surgery unit

目的 :设计移动式千级层流洁净野战手术单元,满足战时和应急医学救援时机动医疗救援队在野外帐篷、民房等现场对伤病员开展紧急手术时缺乏洁净手术空间的需求。方法:基于"正压隔离"防护原理,采用有限元模拟仿真方法,优化设计顶部双向进风通道,完成可快速搭建的柔性隔离层流洁净模块、三级组合式洁净空气送风模块、箱仪一体的集成手术模块设计。结果:各项性能指标达到设计要求,换气次数达到24次/h,手术单元相对大气正压值大于5 Pa,手术单元手术区和周边区洁净度均达到6级。结论:移动式千级层流洁净野战手术单元可快速展开,洁净度、换气次数、正压差等关键指标符合设计要求,能满足战时和应急医学救援时机动医疗救援队开展手术的需求。

Objective To design a mobile class 1 000 laminar flow clean field surgery unit to providea clean space to facilitate the mobile medical rescue team to execute emergency operations in the field tent, private house and etc. Methods The principle of positive pressure isolation and finite element simulation were involved in the design of two-way air intake channel on the top, flexible isolation laminar flow clean module which could be constructed rapidly, three-stage composite clean air supply module and integrated surgery module with box instrumentation. Results The field surgery unit had all its performances meet the desired requirements, of which, the ventilation rate was 24 times per hour, the relative positive atmospheric pressure value was higher than5 Pa in the surgical unit, and the cleanness reached level 6 at the operating and surrounding areas. Conclusion The field surgical unit can be deployed rapidly, and has the key indexes accord with the desired requirements for cleanness, ventilation rate and positive pressure difference, and thus can be used for the surgery support of the mobilemedical rescue team during wartime operations and emergency medical rescue.