Compared with the traditional method of measuring the blood pressure, the cuff-less blood pressure measuring
method can detect the blood pressure continuously in a comfortable way, in order to provide an adequate basis of clinical
diagnosis and has great significance to clinical and medical research. Some reported non-invasive continuous blood pressure
measurements are presented in this review paper comprising illustrations and comparisons of the characteristic of the
patents based on different methods, such as arterial tonometry method, vascular unloading technique method, pulse wave
transit time method and others. This review also presents the characteristics and application of some related products. The
challenge and the prospective of non-invasive continuous blood pressure measurement techniques are also analyzed.
Finally, to conclude, non-invasive continuous blood pressure measurement is becoming the future development trend of
blood pressure measurement, however, the accuracy of measurement also needs to be improved.
Keywords: Arterial tonometry, non-invasive continuous blood pressure measurement, pulse wave transit time, vascular unloading
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