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To get around the FDA's warning about Smart Devices not measuring Blood Glucose accurately, Samsung has patented a new twist

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Apple has researched and filed for a series of patent regarding non-evasive glucose testing over the years and so has Samsung – though they continue to file patents that are closer to the "Libre" sensor patch system (e.g., 01).  It's been reported that Samsung's upcoming ring device will be able to monitor a person's glucose levels.  And yet, the U.S. FDA issued a press release in February 2024 titled "Do Not Use Smartwatches or Smart Rings to Measure Blood Glucose Levels: FDA Safety Communication."

The FDA's press release is clearly not in favor of "consumer" products trying to market products incorrectly with misguiding claims that blood glucose could be accurately presented to those with diabetes without breaking the skin. With that in mind, Samsung's latest patent regarding glucose monitoring on future devices (smartphones and rings) has taken a different approach to blood sugar monitoring.

Samsung patent filing that An electronic device may measure the user's biometric information and provide state information related to various diseases. For example, the electronic device may determine whether the user's blood glucose level corresponds to hypoglycemia. Hypoglycemia, especially nocturnal hypoglycemia that occurs during sleep, may lead to serious consequences such as hypoglycemic coma, cognitive dysfunction, neurological sequelae, or worsening cardiovascular disease. To prevent nocturnal hypoglycemia, it may be necessary to use insulin analogues that mimic the pattern of endogenous insulin secretion, consume a snack based on blood glucose levels before bedtime, and adjust the intensity and timing of evening exercise.

Here, the device could provide a range in its reading, but more importantly, warn a user regarding the user's blood glucose level corresponds to nocturnal hypoglycemia that occurs during sleep.

According to Samsung, "one or more embodiments, the electronic device and biometric information notification method thereof may perform non-invasive blood glucose monitoring using optical technology in a continuous or periodic manner, and define individual low blood glucose situations by observing baseline blood glucose and postprandial blood glucose in the user's designated contexts, which can compensate for the lack of accuracy in blood glucose measurement compared to invasive methods.

According to one or more embodiments, the electronic device and biometric information notification method thereof may calculate more accurate baseline blood glucose for each user by using a continuous or periodic scheme.

According to one or more embodiments, the electronic device and biometric information notification method thereof may predict the occurrence of hypoglycemia in a user and set a blood glucose measurement periodicity and notification output according to the user's biometric signals and movement information, which can enable the user to predict the occurrence of hypoglycemia in various situations and take immediate action against the low blood glucose situation.

Samsung's patent FIG. 5 below illustrates a situation in which an electronic device measures a user's blood glucose level and displays a notification; FIG. 9 is a diagram illustrating a situation in which an electronic device #400 (watch) and an external device #505 (smartphone) work together to provide a biometric information notification.

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Samsung's patent FIG. #10 above illustrates an operation of the electronic device to display a notification depending on individual situations.

For full details, review Samsung's patent application 20240206807 that was published last Thursday, June 27, 2024.

10.0x35 Patently Mobile