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Flexible Sensors for Chronic Wound Management

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3 Author(s)
Ochoa, M. ; Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA ; Rahimi, R. ; Ziaie, B.

Chronic nonhealing wounds are a major source of morbidity and mortality in bed-ridden and diabetic patients. Monitoring of physical and chemical parameters important in wound healing and remodeling process can be of immense benefit for optimum management of such lesions. Low-cost flexible polymeric and paper-based substrates are attractive platforms for fabrication of such sensors. In this review, we discuss recent advances in flexible physiochemical sensors for chronic wound monitoring. After a brief introduction to wound healing process and commercial wound dressings, we describe various flexible biocompatible substrates that can be used as the base platform for integration of wound monitoring sensors. We will then discuss several fabrication methods that can be utilized to integrate physical and chemical sensors onto such substrates. Finally, we will present physical and chemical sensors developed for monitoring wound microenvironment and outline future development venues.

Published in:

Biomedical Engineering, IEEE Reviews in  (Volume:7 )