Applications of tactile imaging in calibration-less and cuff-less blood pressure monitoring for home care

Hampson, R. and Anderson, R. and Matthews, R. and Dobie, G. (2022) Applications of tactile imaging in calibration-less and cuff-less blood pressure monitoring for home care. Discussion paper. University of Strathclyde, Glasgow. (

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This paper presents a concise review of current Tactile Imaging research, and industrial innovations, applied to blood pressure (BP) measurements in home and ambulatory care. This paper also presents a review of current accepted methods in measuring blood pressure, with appropriate standards required for new and innovative measurement technologies. The application of Tactile Imaging in BP monitoring has led to several advances in industry and in literature, culminating in solutions implemented on widely available smartphones. Naturally such solutions have great appeal in home care markets, especially amongst the ‘worried well’ and fitness communities. However such systems do not see widespread uptake in clinical practice, with clinicians favoring more traditional measurement technologies despite continuous pressure from the public and clinicians for more accurate and comfortable systems. Though the reasoning for this is largely down to the strict standards for medical devices, and not a small amount of clinical inertia, it must be acknowledged that the mechanics and theory of operation of many incumbent noninvasive BP measurement systems are not well understood. This paper highlights the important findings and recent developments in calibration-less and cuff-less BP monitoring, based on Tactile Imaging, to aid others in advancing this rapidly developing field.

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