Liu E H, Dhara S S
Department of Anaesthesia, National University Hospital, Singapore, Republic of Singapore.
Anaesth Intensive Care. 2000 Oct;28(5):532-6. doi: 10.1177/0310057X0002800508.
The sevoflurane output from the Oxford Miniature Vaporizer (OMV) was measured in a series of bench tests in a drawover system. Using a range of settings on two OMVs in series, output ranged from 0.5 to 5.9% with a 600 ml tidal volume at a rate of 12 breaths/min produced by a Penlon Multivent. The OMVs' output was steady over 40 minutes. In tests with tidal volumes ranging from 300 ml to 1200 ml, the OMVs' output was lower at higher minute volumes. When continuous flow of carrier gas at 7.2 l/min was used, the output was lower than at the equivalent intermittent flow rate. Using two OMVs with a drawover system appears to be a feasible technique for the induction and maintenance of sevoflurane anaesthesia. Clinical tests of sevoflurane drawover anaesthesia are now required so that the advantages of sevoflurane can gain wider application in field and military anaesthesia.
在一系列采用面罩通气系统的台架试验中，对牛津微型蒸发器（OMV）的七氟醚输出量进行了测量。使用两台串联的OMV的一系列设置，在Penlon Multivent以每分钟12次呼吸的频率产生600毫升潮气量的情况下，输出量范围为0.5%至5.9%。OMV的输出在40分钟内保持稳定。在潮气量范围为300毫升至1200毫升的试验中，分钟通气量较高时OMV的输出较低。当使用7.2升/分钟的持续载气流量时，输出低于等效的间歇流量。使用两台带有面罩通气系统的OMV似乎是诱导和维持七氟醚麻醉的一种可行技术。现在需要进行七氟醚面罩麻醉的临床试验，以便七氟醚的优势能够在现场和军事麻醉中得到更广泛的应用。
