Blood sugar management is particularly critical in the neonatal intensive care unit where the incidence of hypoglycemia is high and patients run the risk of brain damage. The staff at most hospitals obtain glucose levels in infants by drawing blood from the heel, which is a cause for recurrent pain. Some infants undergo this procedure every for up to a few months. Our goal is to design a minimally invasive device that allows for real-time glucose monitoring in very low birth weight infants in the neonatal intensive care unit (NICU). This glucose monitor will reduce the amount of pain and physiological stress on the infants, decrease the risk of hypoglycemia in neonates and reduce the workload on hospital staff. There is currently much room for emerging technologies in this market as it trends towards less pain and faster responses. The device should only slightly hinder the infant’s motion, be as painless as possible, and all materials used in contact with the body need to be biologically inert and cause no irritation or allergic reaction. The device will utilize a microneedle array to extract interstitial fluid and draw it through a hydrophilic polyurethane membrane and into a polarimetry chamber. Circularly polarized light will be passed through the chamber and the differential absorbance of left and right polarized light will be used to calculate the glucose concentration. A literature and patent review showed that each separate portion could be used in an effective device for minimally invasive, continuous glucose monitoring.
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Design Of Medical Devices Conference Abstracts
A Minimally Invasive Device for Continuous Glucose Monitoring in Infants
Christopher P. Erdman,
Christopher P. Erdman
Wallace H. Coulter Department of Biomedical Engineering,
Georgia Institute of Technology
, Atlanta, GA, USA
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Stephen M. Goldman,
Stephen M. Goldman
Wallace H. Coulter Department of Biomedical Engineering,
Georgia Institute of Technology
, Atlanta, GA, USA
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Patrick J. Lynn,
Patrick J. Lynn
Wallace H. Coulter Department of Biomedical Engineering,
Georgia Institute of Technology
, Atlanta, GA, USA
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Matthew C. Ward
Matthew C. Ward
Wallace H. Coulter Department of Biomedical Engineering,
Georgia Institute of Technology
, Atlanta, GA, USA
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Christopher P. Erdman
Wallace H. Coulter Department of Biomedical Engineering,
Georgia Institute of Technology
, Atlanta, GA, USA
Stephen M. Goldman
Wallace H. Coulter Department of Biomedical Engineering,
Georgia Institute of Technology
, Atlanta, GA, USA
Patrick J. Lynn
Wallace H. Coulter Department of Biomedical Engineering,
Georgia Institute of Technology
, Atlanta, GA, USA
Matthew C. Ward
Wallace H. Coulter Department of Biomedical Engineering,
Georgia Institute of Technology
, Atlanta, GA, USAJ. Med. Devices. Jun 2008, 2(2): 027518 (1 pages)
Published Online: June 11, 2008
Article history
Published:
June 11, 2008
Citation
Erdman, C. P., Goldman, S. M., Lynn, P. J., and Ward, M. C. (June 11, 2008). "A Minimally Invasive Device for Continuous Glucose Monitoring in Infants." ASME. J. Med. Devices. June 2008; 2(2): 027518. https://doi.org/10.1115/1.2936212
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