44 patents in this list

Updated:

Current wearable glucose monitors face significant challenges in maintaining consistent sensor contact and accurate readings over extended wear periods. Field data shows that up to 30% of sensors experience premature detachment, while environmental factors like perspiration and water exposure can degrade adhesion and impact measurement reliability within 7-10 days of wear.

The core engineering challenge involves balancing extended sensor adhesion and user comfort while maintaining consistent glucose measurement accuracy across varying skin conditions and daily activities.

This page brings together solutions from recent research—including moisture-absorbing adhesive technologies, pressure-optimized overlay designs, improved sensor insertion mechanisms, and reliable data transmission protocols. These and other approaches aim to extend device wear time while ensuring measurement consistency and user comfort.

1. Wearable Device Method for Context-Based Blood Sugar Measurement Cycle Adjustment and Event-Triggered Tracking

Samsung Electronics Co., Ltd., 2024

Improved method of monitoring blood sugar using a wearable device that switches blood sugar measurement cycles based on context, initializes blood sugar tracking after events, and calculates features to judge health. The method involves measuring blood sugar in a first cycle, storing the level at a timepoint, detecting events, switching to a different cycle, measuring after events, and calculating features using both levels. This allows more accurate monitoring based on user context.

2. Glucose Measurement Analysis with Deviation Detection for Continuous Monitoring Devices

DEXCOM INC, 2024

Glucose level deviation detection for continuous glucose monitoring devices to improve user understanding and management of their glucose levels. The technique analyzes glucose measurements over time to detect deviations from past levels. It generates aggregated metrics for a user's glucose levels during specific time periods, like a day or multiple days. Deviations from expected levels are identified by comparing the aggregated metrics to previous periods. Users are alerted to deviations to help them recognize unusual patterns and take action.

3. Blood Glucose Monitor with Real-Time Sensor and Integrated Alarm Module

NANFANG HOSPITAL, 2024

Instantaneous dynamic blood glucose monitor with an alarm function to improve the timeliness of glucose level alerts. The monitor has a sensor with a detection module to collect blood glucose data and a communication module to send it to a terminal. The terminal has a storage module, processing module, and separate alarm module. This allows the sensor to continuously send real-time glucose readings to the terminal which can process and analyze them. If a critical glucose level is detected, the alarm module can immediately trigger an alert without relying on the user to check the monitor.

4. Continuous Glucose Monitoring System with Integrated eSIM for Direct Cellular Connectivity and Enhanced Data Security

Manipal University Jaipur, 2023

Continuous glucose monitoring (CGM) system with embedded SIM (eSIM) for real-time glucose monitoring, automatic emergency notifications, global connectivity, and improved data security. The CGM device integrates an eSIM for automatic network provisioning and cellular connectivity, allowing direct transmission of real-time glucose data to healthcare providers, contacts, and emergency services. This provides faster, more reliable data transfer compared to relying on separate smartphones. The eSIM also enables features like GPS tracking of the CGM device and user location.

5. Closed Ring Patch with Water-Resistant Hypoallergenic Adhesive for Secure Attachment of Glucose Monitor

Nickey Neilsen, 2023

A patch for attaching a glucose monitor to a user's skin for at least 10 days without irritation. The patch has a closed ring shape that fits around the monitor. It has a water-resistant, hypoallergenic adhesive layer to adhere to the skin. A peelable protective sheet covers the adhesive to prevent premature sticking. This allows the patch to be positioned accurately around the monitor without adhering to anything else. The long-lasting adhesive provides secure retention for a week or more.

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6. Non-Invasive Blood Glucose Prediction System Utilizing Wearable-Derived Variables and Advanced Computational Techniques

UNIV COMPLUTENSE DE MADRID, UNIV DE EXTREMADURA, UNIVERSIDAD COMPLUTENSE DE MADRID, 2023

A system and method for predicting blood glucose levels using variables measured by an activity bracelet, without needing a glucose meter. The system leverages techniques like wavelet transforms, deep learning, and fuzzy logic to estimate interstitial glucose levels from non-invasive variables like heart rate, physical activity, and ECG. It generates alerts for dangerous hypoglycemic or hyperglycemic events based on the predicted glucose values. The system aims to provide convenient, accurate, and continuous glucose monitoring using a wearable device instead of finger pricking.

7. Adhesive Patch with Moisture-Absorbing Overlay for Wearable Medical Devices

Timothy Bridges, 2023

Extending the life of adhesive patches on wearable medical devices like continuous glucose monitors (CGMs) to prevent premature detachment due to skin perspiration, water exposure, and other factors. The method involves applying a thin film of a moisture-absorbing material over the original adhesive patch without covering the sensor itself. This additional layer absorbs moisture and prevents it from deteriorating the adhesive, extending the patch's life. The moisture-absorbing film is thin and transparent, so it doesn't affect the sensor's performance or appearance.

8. Wearable Medical Device with Adaptive Glucose Measurement Frequency and Insulin Delivery Suspension Based on Glucose Trend Analysis

Insulet Corporation, 2022

A wearable medical device that can adjust the frequency of glucose measurements from a continuous glucose monitor (CGM) based on the user's glucose trend. The device processes the CGM data to determine the rate of change in glucose levels over time. If the rate indicates a rapid change, the device instructs the CGM to provide more frequent glucose readings. This allows faster detection of extreme glucose events to enable timely intervention. The device can also suspend insulin delivery based on the CGM data.

9. Implantable Wireless Medical Sensors with RFID Communication and Self-Powered Energy Conversion

ABBOTT DIABETES CARE INC., 2022

In vivo medical sensors that can be implanted under the skin to continuously monitor analytes like glucose without requiring regular blood samples. The sensors are small, wireless devices that are positioned inside the body and communicate with external devices like smartphones using RFID. They can be left in place for weeks to months to provide real-time glucose data without the need for frequent fingerprick tests. The sensors are fully integrated with electronics and can store and log the monitored data. The sensors are also designed to be self-powered and can convert energy from the body fluids to operate. This eliminates the need for separate batteries. The sensors can be implanted using specialized devices that retain the sensor electronics until insertion. The implantable sensors can also be recharged using magnetic induction through the skin. The sensors can be customized to measure other analytes besides glucose.

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10. Adhesive Reinforcement Patch with Multi-Segment Removable Release Paper for Continuous Glucose Monitoring Devices

l-SENS, INC., 2022

A patch for reinforcing adhesion of a continuous glucose monitoring device on the skin. The patch has an overlay with a removable release paper. When applied, the overlay pressurizes the device's existing adhesive tape against the skin for stronger attachment. The removable release paper allows easy separation without contaminating the device's adhesive. The paper is cut into multiple pieces that can be independently removed. This allows precise positioning of the overlay without moving the device.

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11. Continuous Glucose Monitoring System with Overlapping Sensor Placement and Calibration Data Transfer

ABBOTT DIABETES CARE INC., 2022

Continuous glucose monitoring (CGM) system that enables accurate, stable, and uninterrupted glucose monitoring without the need for frequent fingerstick calibrations. The system involves overlapping sensor placements during sensor swaps. After calibrating the first sensor, a second sensor is placed while the first is still in the body. The second sensor's calibration is based on data from the first sensor, eliminating the need for fingerstick calibrations. This allows continuous calibration and monitoring without gaps as sensors are replaced.

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12. Noninvasive Real-Time Blood Glucose Monitoring System with Continuous Anomaly Detection

Socrates Health Solutions, Inc., 2022

Real-time blood glucose monitoring system that provides accurate, trended, and real-time blood glucose data to help users make better diabetes management decisions. The system uses a noninvasive sensor to continuously monitor blood glucose levels. It analyzes the data in real time to detect anomalies like rapid changes or trends outside normal ranges. This allows quick identification of potential issues before they become critical. The system provides alerts and indicators in real time to alert users when blood glucose levels are outside normal ranges or trends. This helps users catch potential issues early before they become critical.

13. Sequential Packet Transmission Method for Biometric Data Exchange Between Glucose Monitoring Sensor and Communication Terminal

I-SENNS, INC., 2022

Method for transmitting and receiving biometric information between a continuous blood glucose monitoring sensor and a communication terminal. The method involves generating transmission packets with a sequential generation identifier when the sensor measures biometric data like glucose. The packets are transmitted to the terminal which checks the identifiers to find and request any missing packets. This allows reliable reception even if there are disconnections.

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14. Adaptive Blood Glucose Monitoring Device with Event-Responsive Sampling Interval Adjustment

삼성전자주식회사, 2022

Blood glucose monitoring device that adapts sampling intervals based on user events to more accurately determine blood glucose levels. The device detects glucose levels using a first interval. When events like exercise, food intake, sleep, or hormone changes occur, it reduces the sampling interval to better track glucose dynamics during those periods. This prevents false readings when glucose levels are rapidly changing.

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15. Sensor Insertion Device with Removable Cap for Stabilization and Controlled Retraction in Analyte Monitoring Systems

ABBOTT DIABETES CARE INC., 2022

In vivo analyte monitoring system with improved sensor insertion device to reduce the likelihood of improper sensor insertion and damage. The system has a sensor control device with an electronics housing, a sensor inside, and a sharp protruding from the bottom. A removable sensor cap covers the bottom and contains the sensor tail and sharp. The cap has a sealed chamber. The sharp is inserted through the cap and housing into the skin. The cap prevents premature retraction and stabilizes the sharp during insertion. It also prevents blood from fouling the sensor. The cap can be motion-actuated to delay retraction until the user removes it. This reduces the likelihood of prematurely withdrawing the sharp during insertion. The cap also reduces the axial and rotational movement of components during insertion. The cap can be designed for dermal sensors with smaller scales and shallower insertion paths.

16. System for Dual-Device Glucose Level Monitoring with Distinct Graphical Representations

MEDTRONIC MINIMED INC, 2022

Monitoring glucose levels in a patient and displaying the data differently on a wearable device versus a patient device to provide more convenient and actionable notifications. The system determines the patient's glucose level and creates graphical representations for display on their primary device (like a smartphone) and a wearable (like a smartwatch). The representations are customized based on the target range, with different features to indicate when glucose is out of range. This allows the wearable to provide more attention-grabbing alerts compared to the patient device's display.

17. Wearable Device with Integrated I2C-Connected Blood Glucose Sensor and Display

WESTERNAN POST AND TELECOMMUNICATION UNIV, WESTERNAN POST AND TELECOMMUNICATION UNIVERSITY, 2022

Wearable blood glucose monitoring device that allows real-time tracking and viewing of blood sugar levels. The device has a main board with components like a processor, memory, display, and battery. The processor connects to a wearable sensor via I2C to measure blood sugar. This allows users to check their blood sugar without needing a separate meter. The device can be worn like a watch and provides instant feedback on blood sugar levels.

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18. Wearable Device for Predicting Postprandial Hyperglycemic Spike Timing Based on Glucose Equivalent Monitoring

FUJIFILM CORPORATION, 2022

Predicting timing of postprandial hyperglycemic spikes in diabetic patients using a wearable device that monitors blood glucose equivalents. The device predicts spike timings based on past variations and meal times, then notifies optimal times for blood sampling to monitor actual glucose levels during spikes. This allows targeted blood testing to catch the spikes and help manage diabetes.

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19. Body-Attachable Sensor Module with Applicator for Continuous Glucose Monitoring

I-SENS, INC., 2021

Continuous, minimally invasive glucose monitoring system for diabetics that avoids needing to prick the skin to take blood samples. The system uses a body-attachable sensor module that can be inserted into the skin using an applicator. When attached to the body, the user presses a button on the applicator to initiate the sensor's operation. This allows precise insertion depth and timing. The sensor has a PCB, sensor probe, and pressure module.

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20. Continuous Glucose Monitoring System with Integrated Sensor Applicator and Automated Needle Retraction

I-SENS, INC., 2021

Continuous glucose monitoring system with improved usability that allows users to easily attach the sensor to their skin. The system has an applicator that protrudes the sensor needle into the body when pressed. This eliminates the need for users to manually insert the sensor. After insertion, the applicator also extracts the needle.

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21. Flexible Adhesive Patch with Integrated Sensor Circuitry and Wireless Transmission Capabilities

22. Body-Attachable Unit with Manual Sensor-Contact Mechanism for Continuous Glucose Monitoring

23. Wearable Sensor System with Interoperable Data Standardization for Continuous Biomarker Monitoring

24. Wearable Patch with Integrated PPG and NIR Sensors for Blood Glucose Monitoring via Machine Learning Analysis

25. Wrist-Worn Pulse Sensor System for Biomarker Estimation Using Post-Meal Pulse Wave Analysis

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Researchers and engineers are rapidly improving the design and functionality of these devices to create CGM systems that smoothly integrate into daily life and give people with diabetes the tools they need to effectively manage their condition. This is being accomplished by combining advances in materials science, electronics, and sensor technology.