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Internet-of-Things Connected Foley Catheter Urine Collection System to Automatically and Continuously Measure Urine Output

JSHS · 2023

Alexander Lee, Hsi-Jen James Yeh · Walnut High School, Walnut, CA

Overview

Urine output is an important indicator of the level of renal impairment in patients. Accurately measuring urine output is critical in the treatment of hospitalized patients with renal injury, heart failure, and other life- threatening conditions. Currently, the most common way to collect urine uses a Foley catheter connected to a urine collection bag that has volume gradation markings. This measurement method has a low level of accuracy and is labor-intensive, requiring a nurse to manually measure the urine collected periodically. This project developed an Internet-of-Things enabled system that captures urine output automatically in real time, by continuously monitoring the urine volume collected via the Foley catheter. The device is built utilizing a strain gauge load cell, an integrated circuit that contains an amplifier and analog-to-digital converter, and a WiFi- enabled microcontroller. The data is sent via wireless networking to a data collection and analysis server which provides accurate analyses of urine output. A mobile application utilizing the Blynk.io system is used to display the data. This device and mobile application were built at a minimal cost of $35 USD. The device has been tested multiple times and reported urine output accurately, with as little as 1% difference between actual vs measured volumes. In the future, further development of this device can provide hospitals and physicians worldwide with easy access to affordable, accurate, and real-time urine measurement, which would translate into better, life- saving medical care. Novel Bilayer Elasto-Hydrogel Adhesive Film for Facilitating Wet-Occlusive Therapy for Atopic Dermatitis Joshua P . Pillai Woodbridge High School, Irvine, CA

Competition history

  • JSHS 2023 Category not listed

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