摘要
传统的组织血氧饱和度测量方法是有创测量,且很难做到连续测量,因此研究一种无创、连续测量血氧饱和度的方法具有重要意义。文章根据红光和红外光透过人体动脉血管后不同的传输特性,计算出人体的血氧饱和度。硬件上以MSP430为核心,实现了信号的产生和测量电路;软件上实现了血氧饱和度的复杂算法,并有效地克服了测量信号的漂移。该系统无创测量,既减轻了病人的痛苦,又可以实时监控,具有低成本、结构合理、制作简单、安全可靠等优点,满足了临床监护的需求。
In this paper,the calculation of the level of oxygenation of blood is based on the transmission characteristics of the red light and infrared light through the arteries.A signal generation and measurement circuit is achieved based on the MSP430.As well as complex algorithms of the oxygen saturation are achieved and the signal drift is effectively overcome in software to meet the needs of clinical care.
出处
《仪表技术》
2011年第1期52-53,共2页
Instrumentation Technology
