在体积控制通风过程中评估一台新的高压氧气通风器
Cong Wang1, Lianbi Xue1,2, Qiuhong Yu1
1Department of Hyperbaric Oxygen, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Diving and hyperbaric medicine
|June 26, 2023
概括
香格里拉590高压呼吸机在测试中表现良好,在各种压力下在体积控制通风 (VCV) 中显示稳定的输送量. 它适用于特定设置内的高压使用.
科学领域:
- 生物医学工程 生物医学工程
- 呼吸系统护理 呼吸系统护理
背景情况:
- 评估了Shangrila590高压呼吸机的性能.
- 评估的重点在于其在体积控制通风过程中的功能.
研究的目的:
- 为了评估Shangrila590高压呼吸机的性能.
- 在高压条件下评估交付的潮体积 (VT) 和分钟体积 (MV) 的准确性.
主要方法:
- 实验是在高压室中进行的,压力从101到284kPa (1.0到2.8 atm abs).
- 在体积控制通风 (VCV) 模式下,通风器连接到测试肺部.
- 在20个呼吸周期中,输出的体积 (VT,MV) 和峰值吸气压 (Ppeak) 与设定值 (VTset) 进行了比较.
主要成果:
- 在大多数情况下,设置和交付VT和MV之间的差异很小,在临床上无关紧要.
- 峰值吸入压力 (峰值) 随着环境压力上升而预见地增加.
- 在2.8 atm腹部和VTset1000mL时,观察到明显更大的VT,MV和Ppeak.
结论:
- 香格里拉590高压呼吸机在高压环境中表现出良好的性能.
- 在VCV期间,在特定的VTset和压力范围内 (例如,在1.0-2.8 atm腹部时400-800mL) 实现了稳定的VT和MV.
- 该通风器在其验证的操作参数内可靠进行高压通风.
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