Negative pressure wound therapy(NPWT) is the advanced technology for promoting wound healing, which has been applied and developed in clinical in recent years. Combining with the two key techniques of NPWT, the article developed one kind of intelligent negative pressure wound therapeutic instrument, which could choose treatment mode freely, flexibility controlled the negative size, the interval of use time and pulse interval, achieving various types of wound treatment. The digital pressure senor MS5561C was designed to monitor the negative pressure scope, which can guarantee the safety of patient and efficacy of treatment simultaneously. With the advantage of convenience usage, lower cost, reliable safety and lower power, the system had a wide application prospection.%负压伤口治疗是促进伤口愈合的前沿技术,近年来在临床中得到应用和发展.本研究结合负压伤口治疗的两个关键技术——封闭负压引流和封闭负压辅助闭合技术,研制了一种智能负压伤口治疗仪.其自由选择治疗模式,可灵活地控制负压大小、使用时间及其脉动的间隔,实现了治疗多种类型的创口.同时,利用数字压力传感器MS5561C监控治疗过程中负压的范围,确保患者的安全和治疗的效果.本治疗仪具有使用方便、成本低、安全可靠、低功耗等优点,在创面治愈中有很大的应用前景.
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