Skin-Contact Adhesives in Continuous Glucose Monitoring (CGM)

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A Continuous Glucose Monitoring System (CGM) will monitor blood sugar (glucose) levels continuously in real-time throughout the day and night. A tiny electrode called a glucose sensor is inserted under the skin to measure the glucose levels in the tissue fluid. It is connected to a transmitter that can send the information wirelessly to a monitoring device. This makes it easy to determine whether or not the glucose levels are too high or too low.

Polymer Science worked with the leading CGM makers and developed silicone gels for CGM device fixation. Working with development engineers and combining our newest silicone formulations with our coating expertise on fabric backings, we developed skin contact silicone adhesives with the following characteristics: Wear time above 14 days with constant adhesion profile, Hypoallergenic, Waterproof for the more active users, Atraumatic removal, Resistant to bacterial growth

A challenge as the popularity of this new technology grows is that more and more people will be wearing CGM devices on their skin 24 hours a day, 7 days a week. This increases the risk that people will develop allergies to the commonly used acrylic adhesives. Polymer Science, Inc. has developed a solution to negate that problem from occurring by utilizing our multi-layer construction with a skin contact silicone gel adhesive layer (as shown in the technical illustration below). Our skin contact adhesives exhibit outstanding characteristics for skin contact wear. The table below shows the differing performance characteristics that acrylic adhesives and silicone gel adhesives demonstrate.