Instrumentation, Sensors and Interfaces Group, EETAC, Universitat Politècnica de Catalunya, Barcelona, Spain.
Physiol Meas. 2013 Feb;34(2):189-201. doi: 10.1088/0967-3334/34/2/189. Epub 2013 Jan 25.
A bioimpedance system for the continuous measurement of non-invasive physiological parameters in lower-limb amputees is presented. The aim of the system is to monitor as many physiological parameters as possible from a single bioimpedance electrode configuration. In this way, a simple, low-cost and low-size autonomous system is developed that is able to continuously monitor the amputee in different environments (home, work, etc). The system measures both electrical impedance myography and electrical impedance plethysmography in the stump with electrodes placed in the inside face of a silicone interface. Such a system allows for the monitoring of a patient's muscle activity, and heart and breath rate, thus enabling the study and continuous monitoring of prosthesis adaptation and improvement of patient's gait to reduce physiological stress. Additionally, it can prevent cardiovascular problems due to the effort involved in the use of prostheses, which can decrease the life expectancy of amputees with previous vascular diseases. Experimental results obtained from different amputees' test validate the purpose of the system.
提出了一种用于连续测量下肢截肢者无创生理参数的生物阻抗系统。该系统的目的是通过单个生物阻抗电极配置来监测尽可能多的生理参数。通过这种方式，开发了一种简单、低成本和小尺寸的自主系统，能够在不同环境（家庭、工作等）中连续监测截肢者。该系统通过放置在硅接口内表面的电极测量残肢中的肌电和容积描记术。这样的系统允许监测患者的肌肉活动以及心率和呼吸频率，从而能够研究和连续监测假肢的适应和改善患者的步态以减少生理压力。此外，它还可以预防因使用假肢而导致的心血管问题，这会降低有先前血管疾病的截肢者的预期寿命。从不同截肢者的测试中获得的实验结果验证了该系统的目的。
