Data Visualization of Skin Patch and Shunt (VIDEO)
Caption
Data visualization highlighting the operation of the wearable thermal array as recorded during a live measurement. In this video, the epidermal device integrates conformally onto the skin at a location with an implanted catheter (a "shunt") to drain excess cerebrospinal fluid in patients suffering from hydrocephalus. This sensor pre-dates the Band-Aid-like wearable shunt monitor sensor the authors used in the clinical trial. The materials and thermal physics insights gained from this type of sensor allowed the study authors to refine this design into a much simpler platform suitable for clinical use and wireless integration. The device uses an array of 100 precision temperature sensors to thermally map this location to detect characteristic heat signatures associated with fluid flow to quantitatively assess in a noninvasive manner how well the shunt is working.
Credit
Rogers Research Group, Northwestern University
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